Lake Sonoma 50 Records

Course Records

Mens Record

5:51:16

Jim Walmsley

2018, Age 27

Womens Record

7:08:23

Stephanie Howe Violett

2015, Age 31

Previous Mens Winners

2008 - Dan Barger - 8:24:31

2009 - Jon Olsen - 7:30:58

2010 - Hal Koerner - 7:08:20

2011 - Race Cancelled (Flooding)

2012 - Dakota Jones - 6:17:27

2013 - Sage Canaday - 6:14:55

2014 - Zach Miller - 6:11:10

2015 - Alex Varner - 6:09:39

2016 - Jim Walmsley - 6:00:52

2017 - Sage Canaday - 6:17:55

2018 - Jim Walmsley - 5:51:16

2019 - Jared Hazen - 6:08:29

2020 - Race Cancelled (Pandemic)

2021 - Mario Mendoza - 7:10:14 (Sept)

Previous Womens Winners

2008 - Clare Abram - 9:44:13

2009 - Suzanna Bon - 8:43:30

2010 - Devon Crosby-Helms - 8:26:53

2011 - Race Cancelled (Flooding)

2012 - Joelle Vaught - 7:52:44

2013 - Cassie Scallon - 7:47:42

2014 - Emily Harrison - 7:26:15

2015 - Stephanie Howe Violett - 7:08:23

2016 - YiOu Wang - 7:14:45

2017 - YiOu Wang - 7:22:34

2018 - Keely Henninger - 7:13:55

2019 - Anna Mae Flynn - 7:25:15

2020 - Race Cancelled (Pandemic)

2021 - Keely Henninger - 7:40:20

Age Group Records

Mens

40-49 - Dave Mackey, 2013 - 6:40:46

50-59 - Dan Barger, 2016 - 8:08:29

60-69 - Mark Richtman, 2015 - 7:52:50

70+ - Hans Schmid, 2013 - 11:25:32

Womens

40-49 - Magdalena Boulet, 2017 - 7:32:59

50-59 - Megan Arbogast, 2015 - 8:09:26

60-69 - Diana Fitzpatrick, 2018 - 9:56:48

70+ - Gunhild Swanson - 12:18:21

Additional Records

Oldest Runner - Hans Schmid, 78 (2018)

Youngest Runner - Luke Sanchez, 15 (2019)

History

Year
Starters
Finishers
Percent
2008
96
75
78%
2009
126
112
88%
2010
155
144
93%
2011
Cancelled – Flooded
2012
245
227
93%
2013
311
266
86%
2014
330
301
91%
2015
310
276
89%
2016
323
304
94%
2017
354
300
85%
2018
338
292
86%
2019
346
281
81%
2020
Cancelled – Pandemic
2021 (Sept.)
160
100
62%