Dick Collins Firetrails
Available distances
Races on the programme
| Race | Distance | Elevation gain | Finishers (last edition) |
|---|---|---|---|
| Bay Ridge 100k | 62 mi | 10,302 ft | — |
| Trail 50 mi | 50 mi | 7,940 ft | 300 |
| Golden Hills Marathon | 26 mi | 3,937 ft | 300 |
| Trail 18,64 mi | 19 mi | — | — |
About
The Dick Collins Firetrails race takes place on natural dirt trails and fire roads in Castro Valley, California, in the East Bay hills.
The event offers three distances, giving trail runners of different experience levels a course to match their ambitions:
- A 26.2-mile trail run
- A 50-mile ultramarathon
- A 100K (62-mile) ultramarathon
Highlights
- Off-road
- Forest
- Mountain
Prepare for Dick Collins Firetrails with RunRun
An AI-generated training plan, adjusted every week based on your real sessions. Built around your goal, current level and race date.
- Personalized plan based on your VO2max, history and weekly availability
- Strava and Garmin sync: your sessions are analyzed and the plan adapts
- Target paces, long runs, key sessions: everything is calculated for race day
Races nearby
Other upcoming races around Castro Valley.
Lake Chabot Trail Run (Nov)
Nov 7, 2026 · Castro Valley, CA · 2 mi away
4.8 mi · 13 mi · 19 mi · 26 mi
Brazen New Year Runs
Jan 1, 2027 · Castro Valley, CA · 2 mi away
3.2 mi · 6.4 mi · 13 mi
ZombieRunner Quarry Lakes
Nov 14, 2026 · Fremont, CA · 11 mi away
3.1 mi · 6.2 mi · 13 mi
Oakland Tech 5km Fundraiser Race and 1 Mile Fun Run/Walk
Nov 1, 2026 · Oakland, CA · 13 mi away
1 mi · 3.1 mi
Diablo Summit Stomp
Oct 17, 2026 · Walnut Creek, CA · 14 mi away
3.1 mi · 6.2 mi · 13 mi · 19 mi
Berkeley Trail Adventure
Sep 12, 2026 · Berkeley, CA · 16 mi away
6.2 mi · 13 mi · 22 mi · 31 mi