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Sgrail Marin - Triathlon & Trail Half Marathon
Sgrail Marin - Triathlon & Trail Half Marathon logo

Sgrail Marin - Triathlon & Trail Half Marathon

San Rafael, California, United States
Oct 02, 2026 – Oct 04, 2026
Triathlon

About this race

Welcome to the SGRAIL Marin - Triathlon and Trail Half Marathon!

Registration

  1. June 26, 2026 (12:00 PM PST) - Pre-Registration Starts
  2. July 12, 2026 - Early Bird Registration Starts
  3. August 4, 2026 - Regular Registration Starts
  4. September 18, 2026 - Late Registration Starts

September 25, 2026 - Last Day for Triathlon, Triathlon Relay & SGRAIL Challenge Registration

September 30, 2026 - Last Day for Trail Half Marathon Registration

DISTANCES: (ALL COURSES)

  • TRIATHLON - Kids Event (13 & Under) = Details TBA
  • TRIATHLON - Olympic Distance = 1,500 Meter Swim / 40K Bike / 10K Run
  • TRIATHLON - Olympic Relay (2 or 3 person relays) = 1,500 Meter Swim / 40K Bike / 10K Run
  • TRAIL HALF MARATHON = 13.1 Miles/21K
  • SGRAIL CHALLENGE= Triathlon + Trail Half Marathon

EVENT WEEKEND SCHEDULE:

  • THURSDAY - TBA
    • Bib Pick-up
  • FRIDAY - TBA
    • Bib Pick-up
    • Kids Fun Event
  • SATURDAY - 7:00 AM Gates Open | 8:30 AM Roads Close | 9:00 AM Start Time | 1:00 PM Roads Open
    • Olympic Triathlon
    • Olympic Triathlon Relay
  • SUNDAY - 7:00 AM Gates Open | 8:30 AM Start Time | 12:30 PM Event Ends
    • Trail Half Marathon

Pick your distance

Triathlon

Kids "Fun" Event

Oct 02, 2026 Kids "Fun" Event 5:00 PM
Free
Open

Olympic Triathlon

Oct 02, 2026 Ultra 9:00 AM
$265.00
Open

Olympic Relay

Oct 02, 2026 Ultra 9:00 AM
$390.00
Open

Running

SGRAIL Challenge - Triathlon & Trail Half Marathon

Race both the Triathlon on Saturday and the Trail Half Marathon on Sunday

Oct 02, 2026 Ultra 9:00 AM
$330.00
Open

Trail running

Trail Half Marathon

Oct 02, 2026 Half-Marathon 8:30 AM
$105.00
Open

Typical race-day weather

Based on 4 years of historical conditions on this event's race dates in San Rafael.

Temp (°C)
Minimum temperature (race-day average) 7.9° / Maximum temperature (race-day average) 19.8°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-day average) 5.4° / Maximum feels like — heat index / wind chill (race-day average) 19.8°
Wind (km/h)
Average wind speed (race-day average)
14.2
Precip (mm)
Average precipitation (race-day average)
0.1mm
Humidity
Average relative humidity (race-day average)
72.5%

About San Rafael

Sgrail Marin - Triathlon & Trail Half Marathon takes place in San Rafael, California, United States. The local timezone is America/Los_Angeles.

View on Google Maps

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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.

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