RunRace USA › California › SGRAIL Marin - Triathlon & Trail Half Marathon
SGRAIL Marin - Triathlon & Trail Half Marathon
San Rafael, California · Friday, October 2, 2026 · 32 Miles, Half Marathon, 45.1 Miles
Official race page & registration ↗SGRAIL Marin - Triathlon & Trail Half Marathon takes place on Friday, October 2, 2026 in San Rafael, California. The race offers 3 distances: 32 Miles, Half Marathon, 45.1 Miles. It is run on trail. For anyone travelling in, San Pablo is about 9 miles away and San Francisco is about 14 miles away.
It is one of 321 races on the California calendar that October. At $90, entry sits above the $50 median for a California ultra. Unusually for a race, it falls on a Friday.
- Date
- Friday, October 2, 2026
- Location
- San Rafael, California
- Distances
- 32 Miles, Half Marathon, 45.1 Miles
- Surface
- Trail
- Entry fee
- from $90
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in San Rafael: check in Oct 1, out Oct 3.
Common questions
When is SGRAIL Marin - Triathlon & Trail Half Marathon?
SGRAIL Marin - Triathlon & Trail Half Marathon is scheduled for Friday, October 2, 2026.
Where is SGRAIL Marin - Triathlon & Trail Half Marathon held?
SGRAIL Marin - Triathlon & Trail Half Marathon is held in San Rafael, California. It is about 9 miles from San Pablo and 14 miles from San Francisco.
What distances does SGRAIL Marin - Triathlon & Trail Half Marathon offer?
The listed distances are 32 Miles, Half Marathon, 45.1 Miles.
How much does SGRAIL Marin - Triathlon & Trail Half Marathon cost?
Entry is listed from $90. Check the official race page for the current price, which usually rises closer to race day.
How do I register for SGRAIL Marin - Triathlon & Trail Half Marathon?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
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See every race on the California calendar, California Half Marathons, California Ultras, or use the Race Finder for maps and filters.