SPASM Crystal Springs Trail Run
SPASM Crystal Springs Trail Run is listed for August 29, 2026 in Woodside, California, United States. Listed distances: 50K, Full Marathon, 22 Miler, 35K, Half Marathon, 10K, 8K, 2 Miler, Kids' Run. Confirm the date, registration and travel details with the official organizer before you book.
About this race
RunSignup listed events: Half Marathon - trail_race - 13.1 Miles; Marathon - trail_race - 26.2 Miles; 50K - trail_race - 30.9 Miles; 8K - trail_race - 6.2 Miles; 35K - trail_race - 22 Miles; Kid's Run (6yo & younger, 50yd dash) - Free! - running_only - 50 Yards; Coastal Testing - running_race - 2 Miles. Experience the towering redwoods, lush ferns, and beautiful trails through Huddart Park, King's Mountain and Bear Gulch. (Distances are accurately measured using a Rolatape®...
Key facts
- Date
- August 29, 2026
- Events
- 50K, Full Marathon, 22 Miler, 35K, Half Marathon, 10K, 8K, 2 Miler, Kids' Run
- Surface
- Trail
- Official source
- Registration page & official site
- Listing status
- updated May 24, 2026
Before you register
- 1Confirm the race-day schedule
Verify the August 29, 2026 start times, packet pickup (collecting your race bib) and corral (your assigned start group) instructions on the official source before booking travel.
- 2Pin the exact start area
Use California as the planning region, then confirm the precise start, finish, parking and transport with the organizer.
- 3Pick your distance
Listed options are 50K, Full Marathon, 22 Miler, 35K, Half Marathon, 10K, 8K, 2 Miler, Kids' Run. Check the source for current per-distance availability and limits.
- 4Review entry terms
Read entry rules, refund terms, participant limits and transfer rules before you pay.