Tahoe 4-Day, Day 1: Boreal Mountain 2025

Date: Jul 25, 2025 (Friday)

BAOC

Location: Boreal Mountain Resort; Truckee, CA

Directors: Rex Winterbottom (510.681.6181)
Course Setters: Nik Weber (GCO)

Type: B; Regular local. Generally provide the standard seven courses (White, Yellow, Orange, Brown, Green, Red, Blue)

Full set of Middle-distance courses: beginner to advanced; everyone is welcome, including beginners & non-members; free beginner instruction to explain orienteering; participation in other Tahoe 4-Day events not required

Event Write-Up

By Rex Winterbottom, Event Director

Course setter Nik Weber came through with some demanding and challenging Middle courses in fantastic terrain. Mother nature came through with brooding clouds, dark skies, thunder, lightning, hail, but fortunately the rain was never super awful. Our participants came through with a spirit that would not be dampened even if their clothes would be dampened.

A big thanks to Casey at Woodward Tahoe for working out an event center location for us on the Woodward Tahoe campus.

Thanks to everyone who came out to brave the Tahoe slash and rocks of various sizes! Also thanks to Bill Cusworth for doing map corrections (and the original map), and to the control pickup crew for getting all of the controls in before dark/more rain/hail — many hands certainly made for fast work.

White Course

(1.5 km, 30 m climb, 8 controls)

                                                                Time  
   Pl  Name(s)                     Club      Time     Behind    lost
    1  Janne Denzler        OL Zimmerberg    15:23              0:36  
    2  Matti Denzler        OL Zimmerberg    37:27    22:04    15:04
    3  Alina Greavu                AOC       40:03    24:40     5:00
    4  Anson Mei                           1:43:43    88:20    54:15
       Andrin Denzler       OL Zimmerberg    DNF                      
       Darius Greavu               AOC       DNS                      
       Isabella McDonough          CTOC      DNS
       Karina Greavu               AOC       DNS
       Kris Andersen               GGO       DNS

Yellow Course

(1.5 km, 40 m climb, 9 controls)

                                                                Time  
   Pl  Name(s)                     Club      Time     Behind    lost
    1  Polina Biryukova            LAOC      16:40              0:59  
    2  Christopher Ryan            RMOC      19:40     3:00     2:18
    3  Wayne Cottrell              LAOC      24:13     7:33     1:49
    4  Mia Ngan                    COC       33:11    16:31    11:19
    5  Katerina Biryukova          LAOC      35:14    18:34     9:38
    6  Anne Brinkman               BAOC    1:01:34    44:54    16:26
       Nancy Lindenam              BAOC      DNF                      

Orange Course

(2.4 km, 85 m climb, 9 controls)

                                                                Time  
   Pl  Name(s)                     Club      Time     Behind    lost
    1  Christopher Ngan            COC     1:08:21             10:00  
    2  Peyton Creager              OCIN    1:08:41     0:20    17:04
    3  Lliam Reeder                CJROTC  1:10:01     1:40    13:25
    4  Yunying Chiu                BAOC    1:17:24     9:03    11:01
    5  Isabella Pantoja            CHSOC   1:26:37    18:16    22:39
    6  Ann Bergstrom               LAOC    1:29:20    20:59    19:06
    7  Lash McIntyre               CHSOC   1:51:20    42:59    23:16
    8  Piper Jensick               CHSOC   2:07:11    58:50    59:07
       Neivayah Creager            OCIN      MSP                      
       Shawn Gray                  OCIN      DNF                      
       Tessa Simonds               QOC       DNS                      

Short Brown Course

(1.6 km, 40 m climb, 8 controls)

                                                                Time  
   Pl  Name(s)                     Club      Time     Behind    lost
    1  Dennis Wildfogel            BAOC      40:48              8:18  
    2  Chuck Spalding              BAOC      42:24     1:36    11:29
    3  Rebecca Bruns               CROC      48:21     7:33     4:37
    4  Evan Custer                 BAOC      55:55    15:07    11:07
    5  David Shepherd              VOC     1:18:01    37:13    11:40
    6  William Nguyen              BAOC    1:18:32    37:44    31:56
    7  Karen Murphy                LAOC    1:21:24    40:36    27:52
    8  Brad James                          1:32:59    52:11    42:26
       Claudia Salvisberg    OLC Kapreolo    MSP                      
       Rosemary Johnson            BAOC      DNF                      
       Sarah Williams              BAOC      DNS                      

Long Brown Course

(2.1 km, 50 m climb, 9 controls)

                                                                Time  
   Pl  Name(s)                     Club      Time     Behind    lost
    1  Nick Salvisbert       OLC Kapreolo    33:35              2:08  
    2  Brian Durrell               ARCTIC    35:52     2:17     3:03
    3  Rick Breseman               COC       38:32     4:57     5:47
    4  Gavin Wyatt-Mair            BAOC      40:54     7:19     2:55
    5  Radu Greavu                 AOC       41:34     7:59     7:15
    6  David Enger                 COC       44:04    10:29     8:27
    7  Sue Kuestner                COC       44:53    11:18     6:00
    8  Patrick Field               QOC       51:10    17:35    20:18
    9  Stephanie Maclean           BAOC      52:04    18:29    12:33
   10  Anna Shane                  CHSOC     52:45    19:10    16:58
   11  Johanna Merriss             BAOC      53:21    19:46     5:28
   12  Eileen Breseman             COC       54:31    20:56    16:10
   13  Bruce Corning               LAOC      58:24    24:49     9:41
   14  Eugene Kiperman             LAOC      58:34    24:59     5:45
   15  Karen Sessler                       1:07:22    33:47    15:55
   16  Ardis Dull                  COC     1:16:39    43:04    11:45
   17  Phillip Hoare               NAVX    1:18:06    44:31    16:01
   18  Scott Drumm                 CROC    1:19:52    46:17    10:00
   19  Dan Greene                  BAOC    1:22:02    48:27    11:49
   20  Ronald Solbrig              BAOC    1:41:54    68:19    48:49
   21  Patty Royal                 VOC     2:08:16    94:41    54:30
       Adrianna Stone              CROC      DNF                      
       Jeff Lanam                  BAOC      DNF
       Jerry Skirvin               CHSOC     DNF
       Julie van Hoff              BAOC      DNF
       Jerry Skirvin               BAOC      DNS                      
       Sheila Cotter               BAOC      DNS

Green Course

(2.9 km, 110 m climb, 12 controls)

                                                                Time  
   Pl  Name(s)                     Club      Time     Behind    lost
    1  Kostiantyn Riabchuk                   34:04              2:19  
    2  Ursula Haldi          OLG Galgenen    38:24     4:20     1:54
    3  Ross Burnett                GVOC      41:28     7:24     3:37
    4  Sergey Velichko             CTOC      42:31     8:27     9:20
    5  François Léonard            BAOC      44:32    10:28    12:31
    6  Tapio Karras                BAOC      45:09    11:05     4:54
    7  Vladislav Urbanovskiy       LAOC      50:06    16:02    11:12
    8  Derek Maclean               BAOC      50:08    16:04     2:16
    9  Marie-Josée Parayre         BAOC      52:59    18:55     2:25
   10  Steve Gregg                 BAOC      53:53    19:49     8:56
   11  Ing Uhlin                   COC       55:16    21:12    10:56
   12  Matthias Kohler             BAOC      55:46    21:42     2:48
   13  Olga Urbanovskaia           LAOC      56:01    21:57    13:22
   14  Andreas Salvisbert    OLC Kapreolo    58:03    23:59     8:42
   15  Michael Bruns               CROC    1:02:18    28:14    13:08
   16  Logan Perez                 LAOC    1:03:22    29:18    10:18
   17  Michael Minium              OCIN    1:04:15    30:11    12:33
   18  Mike Chin                   LAOC    1:07:09    33:05    14:59
   19  Olga Boiarynova             BAOC    1:11:14    37:10    15:08
   20  Dylan Gonyer                OCIN    1:18:15    44:11    23:38
   21  Alan Perez                  LAOC    2:03:50    89:46    31:01
   22  Recinda Sherman             LAOC    2:58:41   144:37    61:40
       Karen Sessler                         DNF                      
       King Team                             DNF
       Brenda King                           DNS                      
       Daphne Zhang                SDO       DNS
       Hunter Wang                 SDO       DNS

Red Course

(3.5 km, 125 m climb, 15 controls)

                                                                Time  
   Pl  Name(s)                     Club      Time     Behind    lost
    1  Patrick Denzler       OLG Galgenen    36:27              0:56  
    2  Roland Hansson              LAOC      45:39     9:12     3:13
    3  Goran Hellgren              LAOC      46:48    10:21     4:31
    4  Adrian Owens                GMOC      52:29    16:02     6:50
    5  Petra Sundstrom             BAOC      52:36    16:09     5:35
    6  Sergey Biryukov             LAOC      55:36    19:09     6:02
    7  Jonathan Owens             Truckee    58:58    22:31     5:37
    8  Martin Drott                NTOA      59:06    22:39    13:15
    9  Marc Salvisberg       OLC Kapreolo    59:10    22:43    15:33
   10  Mikhail Biryukov            LAOC    1:00:13    23:46    17:53
   11  Tom De Vre                  BAOC    1:05:14    28:47     8:10
   12  Deron Van Hoff              BAOC    1:05:58    29:31     9:13
   13  Ann Marie Cody              RMOC    1:06:02    29:35    13:18
   14  Anne Struble                OUTAH   1:08:10    31:43    17:16
   15  Misha Kreslavsky            BAOC    1:13:50    37:23    12:45
   16  Theo Verhoeven              BAOC    1:23:15    46:48    14:16
   17  Noa Dannaker                OCIN    1:26:34    50:07    31:43
   18  Werner Haag                 BAOC    1:29:39    53:12    21:25
   19  Lena Kushleyeva             DVOA    1:39:35    63:08    22:03
   20  Allison Weber               GCO     1:40:14    63:47    20:31
   21  Alison Stone                CROC    2:13:01    96:34    61:31
       Rob Field                   QOC       MSP                      
       QWQ                         BAOC      DNF                      
       Alison Weber                GCO       DNS                      
       Dean Redfearn               NEOC      DNS
       Kyle Poland                 NAVX      DNS

Blue Course

(4.3 km, 175 m climb, 17 controls)

                                                                Time  
   Pl  Name(s)                     Club      Time     Behind    lost
    1  Carl Hoel                   BAOC      44:08              1:38  
    2  Josef Neumann       USV TU Dresden    45:44     1:36     1:36
    3  Samuel Kolins               DVOA      46:32     2:24     2:31
    4  Ilia Serov                  AOC       51:40     7:32     2:17
    5  Alex Pichler                RMOC      55:23    11:15     9:40
    6  Mark Prior                  SDO     1:00:01    15:53     7:48
    7  Alexander Kiperman          LAOC    1:02:38    18:30     6:17
    8  Justin Smith                BAOC    1:05:54    21:46    13:07
    9  Brendan King                RMOC    1:08:07    23:59     7:27
   10  Emily Ellsworth             BAOC    1:20:10    36:02    11:57
   11  Rex Winterbottom            BAOC    1:27:22    43:14     4:47
   12  Jonas Libell                GCO     1:28:21    44:13    11:13
   13  Contour Lives               NAXX    1:41:49    57:41    14:13
   14  Ambrose Liu                 BAOC    1:44:17    60:09    19:01
   15  Taylor Pospisil             BAOC    1:47:45    63:37    43:15
   16  Weichun Fong                BAOC    2:33:49   109:41    57:39
       Jeff Goodwin                BAOC      DNF                      
       Matteo Guareschi            BAOC      DNF
       Patrick Carvalho            BAOC      DNF
       Jeffrey Goodwin             BAOC      DNS                      
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, 7:51 PM PDT Edit