Tahoe 4-Day, Day 3: Burton Creek State Park 2025

Date: Jul 27, 2025 (Sunday)

BAOC

Location: Burton Creek State Park; Tahoe City, CA

Course Setters: Ian Smith

Type: A; National Ranking Event (NRE). Offers courses in all the OUSA competitive classes (see section A.39) and are counted in the national rankings. Note, however, that these events also have courses for recreational orienteers and do welcome beginners, and sometimes an event will consist of a combination of NRE and non-NRE events.

National Ranking Event: beginner to advanced Classic courses; everyone welcome, including beginners & non-members; free beginner instruction to explain orienteering; participation in other Tahoe 4-Day events not required

Event Write-Up

By Emily Ellsworth, Event Director

Finally a warm, sunny, dry day! Course setter Ian Smith designed an excellent selection of courses at Burton Creek amongst bountiful boulders and burn piles. This was our only NRE of the weekend, and many participants expressed how much they enjoyed the routes. Many thanks to Boris Granovskiy, OUSA course consultant, for his invaluable feedback on the courses.

A huge thank-you to all the volunteers who made the event a success. And a special shout out to the members of Carson High School Orienteering Club who prefilled maps in map cases and hauled equipment to and from the Start arena.

Results by Class

Class                                                      Time  
   Pl  Name                    Club      Time     Behind    lost  
F-10          (White course)                
       Isabella McDonough      CTOC      DNS                      
F-12          (White course)                
    1  Liv Sundstrom           BAOC      39:01              0:00  
F-14          (Yellow course)               
    1  Polina Biryukova        LAOC      35:02              3:44  
    2  Neivayah Creager        OCIN      39:26     4:24     7:33
    3  Mia Ngan                COC       48:54    13:52    13:10
       Gracie Shane            CHSOC     DNF                      
F-16          (Orange course)               
    1  Piper Jensick   ALCO St Priest    54:57              6:56  
    2  Isabella Pantoja        CHSOC   1:46:30    51:33    50:53
       Chloe Suitt-Payne       CHSOC     DNF                      
F-20          (Green course)                
    1  Danny Buchholz          COC       57:49              0:00  
       Daphne Zhang            SDO       MSP                      
F-21+         (Red course)                  
    1  Ann Marie Cody          RMOC    1:50:46             21:11  
    2  Anne Struble            OUTAH   1:57:08     6:22    29:44
    3  Kat L                   BAOC    2:00:02     9:16    19:45
    4  Alison Stone            CROC    2:23:55    33:09    32:46
F40+          (Green course)                
    1  Petra Sundstrom         BAOC      53:55              0:00  
    2  Ursula Haldi      OLG Galgenen    55:22     1:27     3:17
       Melissa Smith           BAOC      DNF                      
F45+          (Green course)                
    1  Lena Kushleyeva         DVOA    1:23:21              0:00  
F50+          (Green course)                
    1  Olga Urbanovskaia       LAOC    1:13:18             10:20  
       Marie-Josée Parayre     BAOC      MSP
F55+          (Brown course)                
    1  Stephanie Maclean       BAOC      49:31              1:03  
    2  Olga Boiarynova         BAOC      57:16     7:45     5:01
    3  Recinda Sherman         LAOC    1:28:55    39:24    25:58
    4  Ann Bergstrom           LAOC    1:38:28    48:57    36:10
       Sarah Williams          BAOC      DNF                      
F60+          (Brown course)                
    1  Julie van Hoff          BAOC    2:59:32              0:00  
F65+          (Brown course)                
    1  Sue Kuestner            COC       48:24              3:02  
    2  Eileen Breseman         COC       49:16     0:52     4:44
    3  Ing Uhlin               COC       51:18     2:54    10:00
    4  Rebecca Bruns           CROC    1:32:57    44:33    13:17
    5  Karen Murphy            LAOC    1:53:24    65:00    25:09
       Sheila Cotter           BAOC      DNS                      
F70+          (Brown course)                
    1  Patty Royal             VOC     2:14:16             18:50  
       Rosemary Johnson        BAOC      MSP                      
F75+          (Brown course)                
    1  Johanna Merriss         BAOC    1:18:51              6:21  
    2  Ardis Dull              COC     1:27:44     8:53    12:38
M-10          (White course)                
    1  Janne Denzler    OL Zimmerberg    15:53              2:36  
    2  Andrin Denzler   OL Zimmerberg    23:07     7:14     3:06
    3  Matti Denzler    OL Zimmerberg    26:17    10:24     9:08
    4  Aleksander Ingulfsen    RMOC      32:37    16:44     6:03
       Atle Sundstrom          BAOC      DNS                      
M-16          (Orange course)               
    1  Peyton Creager          OCIN      58:21             20:33  
    2  Thor Sundstrom          BAOC      58:51     0:30    18:24
    3  Lliam Reeder            CJROTC  1:03:41     5:20    22:43
    4  Cash McIntyre           CHSOC   1:40:27    42:06    31:27
M-18          (Green course)                
    1  Logan Perez             LAOC    1:24:55              3:02  
    2  Dylan Gonyer            OCIN    1:27:11     2:16     4:19
       Peter Woodbury          CHSOC     DNF                      
M-20          (Red course)                  
    1  Mikhail Biryukov        LAOC    1:13:14              0:00  
       Anson Mei                         MSP                      
M-21+         (Blue course)                 
    1  Carl Hoel               BAOC    1:01:57              1:05  
    2  Josef Neumann   USV TU Dresden  1:09:02     7:05     4:24
    3  Samuel Kolins           DVOA    1:10:13     8:16     0:00
    4  Alex Pichler            RMOC    1:14:33    12:36    10:18
    5  Alexander Kiperman      LAOC    1:21:02    19:05     7:06
    6  Gavin Williams          BAOC    1:22:02    20:05    10:16
    7  Taylor Pospisil         BAOC    1:24:16    22:19     4:05
    8  Mark Prior              SDO     1:24:17    22:20     7:19
    9  Ilia Serov              AOC     1:26:07    24:10    14:32
   10  Dan Stoll               BAOC    1:26:29    24:32    14:24
   11  Brendan King            RMOC    1:33:29    31:32    12:53
   12  Matteo Guareschi        BAOC    2:12:42    70:45    36:04
   13  Ambrose Liu             BAOC    2:22:34    80:37    55:54
   14  Patrick Carvalho        BAOC    2:46:16   104:19    66:55
   15  Christopher Ryan        RMOC    2:56:23   114:26    73:08
       Johan Grobler           NAVX      DNF                      
       Kristin Bremm           NAVX      DNF
       Patrick Field           QOC       DNF
       Rob Field               QOC       DNF
M35+          (Red course)                  
    1  Jeffrey Goodwin         BAOC    1:34:04              0:00  
M40+          (Red course)                  
    1  Sergey Biryukov         LAOC    1:27:21              1:58  
    2  Weichun Fong            BAOC    2:00:09    32:48    25:26
       Dean Redfearn           NEOC      DNS                      
M45+          (Red course)                  
    1  Goran Hellgren          LAOC    1:16:29              4:51  
    2  Bret Sarnquist         Truckee  1:25:12     8:43    22:04
    3  Tom De Vre              BAOC    1:30:38    14:09    14:46
    4  Martin Drott            NTOA    1:37:07    20:38    21:16
    5  Deron van Hoff          BAOC    1:45:16    28:47    22:12
    6  Jonathan Owens         Truckee  1:55:22    38:53    29:02
    7  Kyle Poland             NAVX    2:18:03    61:34    50:20
    8  Kris Andersen           GCO     2:46:56    90:27    69:05
       Olof Sundstrom          BAOC      DNF                      
       Patrick Denzler   OLG Galgenen    DNF
M50+          (Green course)                
    1  François Léonard        BAOC      40:20              0:00  
    2  Brett Buchholz          COC     1:00:59    20:39     5:11
    3  Rex Winterbottom        BAOC    1:05:01    24:41     9:58
    4  Vladislav Urbanovskiy   LAOC    1:06:54    26:34    12:30
    5  Jerry Skirvin           BAOC    1:38:15    57:55    14:25
M55+          (Green course)                
    1  Adrian Owens            GMOC      46:24              0:00  
    2  Nik Weber               GCO     1:12:19    25:55    21:00
    3  Derek Maclean           BAOC    1:18:35    32:11    21:53
       Jonas Libell            GCO       DNF                      
M60+          (Green course)                
    1  Sergey Velichko         CTOC      43:39              0:00  
    2  Roland Hansson          LAOC      43:56     0:17     0:00
    3  Tapio Karras            BAOC      55:52    12:13     5:22
    4  Michael Bruns           CROC    1:06:13    22:34     9:56
    5  Misha Kreslavsky        BAOC    1:06:16    22:37     8:52
    6  Matthias Kohler         BAOC    1:22:22    38:43    20:41
    7  Wayne Cottrell          LAOC    3:19:01   155:22    94:51
M65+          (Brown course)                
    1  Ross Burnett            GVOC      38:31              0:00  
    2  Michael Minium          OCIN      50:48    12:17     1:26
    3  Mike Chin               LAOC    1:07:07    28:36    22:08
    4  Bruce Corning           LAOC    1:11:22    32:51    15:43
    5  Bruce Garbaccio         LAOC    1:32:52    54:21    31:04
    6  Jeff Lanam              BAOC    1:52:16    73:45    16:55
    7  Ronald Solbrig          BAOC    1:59:42    81:11    35:53
M70+          (Brown course)                
    1  Rick Breseman           COC       35:10              0:00  
    2  Gavin Wyatt-Mair        BAOC      43:58     8:48     0:00
    3  Brian Durrell           ARCTIC    47:49    12:39     6:53
    4  Werner Haag             BAOC      50:45    15:35     3:42
    5  David Enger             COC       51:30    16:20     7:44
    6  Eugene Kiperman         LAOC    1:14:30    39:20    14:42
M75+          (Brown course)                
    1  Dennis Wildfogel        BAOC      54:31              3:51  
    2  Steve Smith            Truckee  1:22:37    28:06    25:30
    3  Phillip Hoare           NAVX    1:26:27    31:56    15:46
    4  David Shepherd          VOC     2:25:13    90:42    24:13
M80+          (Brown course)                
    1  Chuck Spalding          BAOC    1:05:43              0:00  
M85+          (Brown course)                
    1  Evan Custer             BAOC    1:24:25              0:00  
M/F-White     (White course)                
    1  Greavu Team             AOC       28:04              2:53  
    2  Kelly Nicholas         Truckee    45:21    17:17    19:15
       Nina & Samuel Kolins    DVOA      DNS                      
F-Yellow      (Yellow course)               
    1  Katerina Biryukova      LAOC      39:52              0:00  
    2  Nancy Lindeman          BAOC    3:21:03   161:11    49:29
       Anne Brinkman           BAOC      DNS                      
F-Orange      (Orange course)               
    1  Yunying Chiu            BAOC    1:45:01              7:47  
    2  Tessa Simonds           QOC     1:59:14    14:13    18:28
F-Brown       (Brown course)                
    1  Emily Ellsworth         BAOC      44:23              0:00  
       Brenda King                       DNS                      
F-Green       (Green course)                
    1  Anna Shane              CHSOC   1:23:21              5:29  
    2  Adrianna Stone          CROC    1:27:58     4:37     4:59
       Seth Degner                       DNF                      
M-Yellow      (Yellow course)               
    1  Aloise & Chris          BAOC      56:35              9:53  
    2  Shawn Gray              OCIN    1:06:08     9:33    19:50
       Cyndie & Shane                    DNF                      
M-Orange      (Orange course)               
    1  Justin Smith            BAOC      36:01              2:32  
    2  Christopher Ngan        COC     1:14:40    38:39    17:50
    3  Eric Anderson                   1:15:10    39:09    15:40
M-Brown       (Brown course)                
    1  Kostiantyn Riabchuk               38:32              5:21  
    2  Radu Greavu             AOC       54:22    15:50    20:02
    3  Scott Drumm             CROC    1:44:34    66:02    19:31
    4  William Nguyen          BAOC    2:06:17    87:45    49:00
    5  James Brady                     2:07:33    89:01    33:45
       Brian King                        MSP                      
       Jonah Marne                       MSP
M-Green       (Green course)                
    1  Josh Munic              BAOC    1:36:36             15:22  
    2  QWC                     BAOC    1:46:36    10:00    12:10
    3  Alan Perez              LAOC    2:24:58    48:22    37:59
       Hunter Wang             SDO       MSP                      
M-Red         (Red course)                  
    1  Noa Dannaker            OCIN    1:51:22              6:45  
    2  Theo Verhoeven          BAOC    2:11:10    19:48    20:31

Results by Course

White Course              (2.0 km, 45 m climb, 12 controls)  
     Pl  Name(s)               Class       Club        Time  
      1  Janne Denzler         M-10    OL Zimmerberg   15:53  
      2  Andrin Denzler        M-10    OL Zimmerberg   23:07
      3  Matti Denzler         M-10    OL Zimmerberg   26:17
      4  Greavu Team           M/F-White   AOC         28:04
      5  Aleksander Ingulfsen  M-10        RMOC        32:37
      6  Liv Sundstrom         F-12        BAOC        39:01
      7  Kelly Nicholas        M/F-White   Truckee     45:21
         Atle Sundstrom        M-10        BAOC        DNS    
         Isabella McDonough    F-10        CTOC        DNS
         Nina & Samuel Kolins  M/F-White   DVOA        DNS

Yellow Course             (2.6 km, 60 m climb, 12 controls)  
     Pl  Name(s)               Class       Club        Time  
      1  Polina Biryukova      F-14        LAOC        35:02  
      2  Neivayah Creager      F-14        OCIN        39:26
      3  Katerina Biryukova    F-Yellow    LAOC        39:52
      4  Mia Ngan              F-14        COC         48:54
      5  Aloise & Chris        M-Yellow    BAOC        56:35
      6  Shawn Gray            M-Yellow    OCIN      1:06:08
      7  Nancy Lindeman        F-Yellow    BAOC      3:21:03
         Cyndie & Shane        M-Yellow                DNF    
         Gracie Shane          F-14        CHSOC       DNF
         Anne Brinkman         F-Yellow    BAOC        DNS    

Orange Course             (3.6 km, 70 m climb, 12 controls)  
     Pl  Name(s)               Class       Club        Time  
      1  Justin Smith          M-Orange    BAOC        36:01  
      2  Piper Jensick         F-16   ALCO St Priest   54:57
      3  Peyton Creager        M-16        OCIN        58:21
      4  Thor Sundstrom        M-16        BAOC        58:51
      5  Lliam Reeder          M-16        CJROTC    1:03:41
      6  Christopher Ngan      M-Orange    COC       1:14:40
      7  Eric Anderson         M-Orange              1:15:10
      8  Cash McIntyre         M-16        CHSOC     1:40:27
      9  Yunying Chiu          F-Orange    BAOC      1:45:01
     10  Isabella Pantoja      F-16        CHSOC     1:46:30
     11  Tessa Simonds         F-Orange    QOC       1:59:14
         Chloe Suitt-Payne     F-16        CHSOC       DNF    

Brown Course              (3.7 km, 65 m climb, 12 controls)  
     Pl  Name(s)               Class       Club        Time  
      1  Rick Breseman         M70+        COC         35:10  
      2  Ross Burnett          M65+        GVOC        38:31
      3  Kostiantyn Riabchuk   M-Brown                 38:32
      4  Gavin Wyatt-Mair      M70+        BAOC        43:58
      5  Emily Ellsworth       F-Brown     BAOC        44:23
      6  Brian Durrell         M70+        ARCTIC      47:49
      7  Sue Kuestner          F65+        COC         48:24
      8  Eileen Breseman       F65+        COC         49:16
      9  Stephanie Maclean     F55+        BAOC        49:31
     10  Werner Haag           M70+        BAOC        50:45
     11  Michael Minium        M65+        OCIN        50:48
     12  Ing Uhlin             F65+        COC         51:18
     13  David Enger           M70+        COC         51:30
     14  Radu Greavu           M-Brown     AOC         54:22
     15  Dennis Wildfogel      M75+        BAOC        54:31
     16  Olga Boiarynova       F55+        BAOC        57:16
     17  Chuck Spalding        M80+        BAOC      1:05:43
     18  Mike Chin             M65+        LAOC      1:07:07
     19  Bruce Corning         M65+        LAOC      1:11:22
     20  Eugene Kiperman       M70+        LAOC      1:14:30
     21  Johanna Merriss       F75+        BAOC      1:18:51
     22  Steve Smith           M75+        Truckee   1:22:37
     23  Evan Custer           M85+        BAOC      1:24:25
     24  Phillip Hoare         M75+        NAVX      1:26:27
     25  Ardis Dull            F75+        COC       1:27:44
     26  Recinda Sherman       F55+        LAOC      1:28:55
     27  Bruce Garbaccio       M65+        LAOC      1:32:52
     28  Rebecca Bruns         F65+        CROC      1:32:57
     29  Ann Bergstrom         F55+        LAOC      1:38:28
     30  Scott Drumm           M-Brown     CROC      1:44:34
     31  Jeff Lanam            M65+        BAOC      1:52:16
     32  Karen Murphy          F65+        LAOC      1:53:24
     33  Ronald Solbrig        M65+        BAOC      1:59:42
     34  William Nguyen        M-Brown     BAOC      2:06:17
     35  James Brady           M-Brown               2:07:33
     36  Patty Royal           F70+        VOC       2:14:16
     37  David Shepherd        M75+        VOC       2:25:13
     38  Julie van Hoff        F60+        BAOC      2:59:32
         Brian King            M-Brown                 MSP    
         Jonah Marne           M-Brown                 MSP
         Rosemary Johnson      F70+        BAOC        MSP
         Sarah Williams        F55+        BAOC        DNF    
         Brenda King           F-Brown                 DNS    
         Sheila Cotter         F65+        BAOC        DNS

Green Course              (5.4 km, 80 m climb, 12 controls)  
     Pl  Name(s)               Class       Club        Time  
      1  François Léonard      M50+        BAOC        40:20  
      2  Sergey Velichko       M60+        CTOC        43:39
      3  Roland Hansson        M60+        LAOC        43:56
      4  Adrian Owens          M55+        GMOC        46:24
      5  Petra Sundstrom       F40+        BAOC        53:55
      6  Ursula Haldi          F40+   OLG Galgenen     55:22
      7  Tapio Karras          M60+        BAOC        55:52
      8  Danny Buchholz        F-20        COC         57:49
      9  Brett Buchholz        M50+        COC       1:00:59
     10  Rex Winterbottom      M50+        BAOC      1:05:01
     11  Michael Bruns         M60+        CROC      1:06:13
     12  Misha Kreslavsky      M60+        BAOC      1:06:16
     13  Vladislav Urbanovskiy M50+        LAOC      1:06:54
     14  Nik Weber             M55+        GCO       1:12:19
     15  Olga Urbanovskaia     F50+        LAOC      1:13:18
     16  Derek Maclean         M55+        BAOC      1:18:35
     17  Matthias Kohler       M60+        BAOC      1:22:22
     18  Anna Shane            F-Green     CHSOC     1:23:21
     18  Lena Kushleyeva       F45+        DVOA      1:23:21
     20  Logan Perez           M-18        LAOC      1:24:55
     21  Dylan Gonyer          M-18        OCIN      1:27:11
     22  Adrianna Stone        F-Green     CROC      1:27:58
     23  Josh Munic            M-Green     BAOC      1:36:36
     24  Jerry Skirvin         M50+        BAOC      1:38:15
     25  QWC                   M-Green     BAOC      1:46:36
     26  Alan Perez            M-Green     LAOC      2:24:58
     27  Wayne Cottrell        M60+        LAOC      3:19:01
         Daphne Zhang          F-20        SDO         MSP    
         Hunter Wang           M-Green     SDO         MSP
         Marie-Josée Parayre   F50+        BAOC        MSP
         Jonas Libell          M55+        GCO         DNF    
         Melissa Smith         F40+        BAOC        DNF
         Peter Woodbury        M-18        CHSOC       DNF
         Seth Degner           F-Green                 DNF

Red Course                (7.7 km, 160 m climb, 20 controls)  
     Pl  Name(s)               Class       Club        Time  
      1  Mikhail Biryukov      M-20        LAOC      1:13:14  
      2  Goran Hellgren        M45+        LAOC      1:16:29
      3  Bret Sarnquist        M45+        Truckee   1:25:12
      4  Sergey Biryukov       M40+        LAOC      1:27:21
      5  Tom De Vre            M45+        BAOC      1:30:38
      6  Jeffrey Goodwin       M35+        BAOC      1:34:04
      7  Martin Drott          M45+        NTOA      1:37:07
      8  Deron Van Hoff        M45+        BAOC      1:45:16
      9  Ann Marie Cody        F-21+       RMOC      1:50:46
     10  Noa Dannaker          M-Red       OCIN      1:51:22
     11  Jonathan Owens        M45+        Truckee   1:55:22
     12  Anne Struble          F-21+       OUTAH     1:57:08
     13  Kat L                 F-21+       BAOC      2:00:02
     14  Weichun Fong          M40+        BAOC      2:00:09
     15  Theo Verhoeven        M-Red       BAOC      2:11:10
     16  Kyle Poland           M45+        NAVX      2:18:03
     17  Alison Stone          F-21+       CROC      2:23:55
     18  Kris Andersen         M45+        GCO       2:46:56
         Anson Mei             M-20                    MSP    
         Olof Sundstrom        M45+        BAOC        DNF    
         Patrick Denzler       M45+   OLG Galgenen     DNF
         Dean Redfearn         M40+        NEOC        DNS    

Blue Course               (8.8 km, 160 m climb, 22 controls)  
     Pl  Name(s)               Class       Club        Time  
      1  Carl Hoel             M-21+       BAOC      1:01:57  
      2  Josef Neumann         M-21+ USV TU Dresden  1:09:02
      3  Samuel Kolins         M-21+       DVOA      1:10:13
      4  Alex Pichler          M-21+       RMOC      1:14:33
      5  Alexander Kiperman    M-21+       LAOC      1:21:02
      6  Gavin Williams        M-21+       BAOC      1:22:02
      7  Taylor Pospisil       M-21+       BAOC      1:24:16
      8  Mark Prior            M-21+       SDO       1:24:17
      9  Ilia Serov            M-21+       AOC       1:26:07
     10  Dan Stoll             M-21+       BAOC      1:26:29
     11  Brendan King          M-21+       RMOC      1:33:29
     12  Matteo Guareschi      M-21+       BAOC      2:12:42
     13  Ambrose Liu           M-21+       BAOC      2:22:34
     14  Patrick Carvalho      M-21+       BAOC      2:46:16
     15  Christopher Ryan      M-21+       RMOC      2:56:23
         Johan Grobler         M-21+       NAVX        DNF    
         Kristin Bremm         M-21+       NAVX        DNF
         Patrick Field         M-21+       QOC         DNF
         Rob Field             M-21+       QOC         DNF
DNF = Did not finish (one or more controls missed)
DNS = Did not start
DSQ = Disqualified
MSP = Mispunched (one or more incorrect controls)
OVT = Overtime
Updated: Apr 11, 2026, 8:23 PM PDT Edit