Course
Plan
Legend
Terrain Type
Smooth Technical
Start
Full aid
Water
Crew
Cutoff
Finish
Controls
Units
Time Display
S
0.0 mi
Start
5.8 mi +2,518 ft-563 ft
1
5.8 mi
Pritchett Peak
5.5 mi +598 ft-2,537 ft
2
11.3 mi
Woodbridge
1.4 mi +772 ft0 ft
3
12.7 mi
South Lake 1
4.6 mi +762 ft-1,200 ft
4
17.3 mi
Island View 1
6.9 mi +1,546 ft-1,505 ft
5
24.2 mi
Warm Springs 1
5.0 mi +1,221 ft-901 ft
6
29.2 mi
Wulfow 1
2.9 mi +791 ft-408 ft
7
32.1 mi
Liberty Glen 1
4.4 mi +1,032 ft-942 ft
8
36.5 mi
Lone Rock
4.4 mi +932 ft-1,022 ft
9
40.8 mi
Liberty Glen 2
2.9 mi +439 ft-849 ft
10
43.7 mi
Wulfow 2
5.0 mi +1,069 ft-1,373 ft
11
48.7 mi
Warm Springs 2
6.9 mi +1,608 ft-1,644 ft
12
55.7 mi
Island View 2
4.6 mi +1,213 ft-753 ft
13
60.2 mi
South Lake 2
1.6 mi +0 ft-802 ft
F
61.8 mi
Finish
Sun 12:00 AM
Distance: miles | Altitude: feet | Time: PDT
Lake Sonoma 100k
Course
61.8 mi +14,500 ft-14,500 ft
Event
April 10, 2027
Start
5:00 AM
Cutoff
19 hours
Mens CR
08:59:58
Womens CR
11:24:48
Course Profile
Course Map