Course

Sean O'Brien 100K 2027

Plan

Sean O'Brien 100K 2027

Course
61.5 mi +19,498 ft-19,497 ft
Event
January 20, 2027
Start
5:30 AM
Cutoff
17 hours
Legend
Terrain Type
Smooth Technical
Start
Full aid
Landmark
Crew
Drop bags
Pacer
Cutoff
Finish
Controls
Units
Time Display
S
0.0 mi
Start
7.3 mi +3,033 ft-1,586 ft
1
7.3 mi
Corral Canyon Aid #1, #2 and #3
6.2 mi +1,557 ft-2,006 ft
2
13.5 mi
Kanan Aid #1 and #2
2.6 mi +838 ft-597 ft
3
16.1 mi
Zuma Edison Ridge Aid #1 and #2 (miles 19.2 & 31.3)
6.2 mi +1,464 ft-3,141 ft
4
22.3 mi
Bonsall Aid #1 and #2
Wed 11:15 AM
3.5 mi +1,316 ft-1,316 ft
5
25.8 mi
Bonsall Aid #1 and #2
Wed 1:30 PM
6.2 mi +3,235 ft-1,543 ft
6
32.0 mi
Zuma Edison Ridge Aid #1 and #2 (miles 19.2 & 31.3)
2.6 mi +582 ft-839 ft
7
34.6 mi
Kanan Aid #1 and #2
Wed 3:45 PM
6.2 mi +2,069 ft-1,630 ft
8
40.8 mi
Corral Canyon Aid #1, #2 and #3
Wed 5:15 PM
6.7 mi +1,273 ft-2,723 ft
9
47.5 mi
100k Turnaround - Bulldog Aid
Wed 6:30 PM
6.6 mi +2,732 ft-1,265 ft
10
54.2 mi
Corral Canyon Aid #1, #2 and #3
Wed 8:30 PM
5.3 mi +981 ft-2,465 ft
11
59.4 mi
Piuma Creek Cutoff
Wed 10:00 PM
2.1 mi +416 ft-386 ft
F
61.5 mi
Finish
Wed 10:30 PM
Distance: miles | Altitude: feet | Time: PST