KHKH RacesTrail Series · Est. 2010
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Orange County · Trail Series

Caspers Trail Races

Sat, Oct 31, 20267:30 AM · all distancesCaspers Wilderness Park
Register on UltraSignupExplore the courses
Distances510K → 50K
Race DaySat, Oct 31, 2026All start 7:30 AM
WhereCaspers Wilderness ParkSan Juan Capistrano, CA
TerrainSingletrack& fire road · well-marked
Choose your distance

Five courses,
one wild park.

Every distance starts at 7:30 AM. Tap Course Map to explore the route and elevation, then register on UltraSignup.

10K

Start7:30 AM
6.3Miles
803Ft Gain
839Ft High
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Half Marathon

Start7:30 AM
13Miles
2,250Ft Gain
1,476Ft High
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35K

Start7:30 AM
20.7Miles
3,753Ft Gain
1,610Ft High
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Marathon

Start7:30 AM
26.7Miles
4,606Ft Gain
1,607Ft High
Register

50K

Start7:30 AM
31.1Miles
4,947Ft Gain
1,607Ft High
Register
The Race

Epic trail racing
in Orange County

Set across 8,000 acres of Orange County wilderness, you run coast live oak and sycamore bottoms before climbing into cactus, sage, and mountain-mahogany hillsides with big views back toward the coast.

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Ready to run?

Line up this season.

Pick your distance, study the course, and lock in your spot before registration closes Sat, Oct 17, 2026.

Register Now →