SGRAIL Marin - Triathlon & Trail Half Marathon

McNears Beach, United States • 2-4 Oct 2026

Event Overview

The SGRAIL Marin is a multi-day sports event held at McNear’s Beach Park in San Rafael, California. The weekend features a variety of racing formats including traditional triathlon distances, relay options, and a dedicated trail running event. Participants may choose to compete in individual disciplines or combine races over two days through a specific multi-event category.

Available Distances

Participants can enter the following events:

  • Olympic Triathlon: Consists of a 1,500 meter swim, a 40 km bike ride, and a 10 km run.
  • Olympic Relay: The Olympic distance triathlon completed by a team of two or three people.
  • Trail Half Marathon: A 13.1 mile (21 km) run on trail terrain.
  • SGRAIL Challenge: A combination of the Triathlon on Saturday and the Trail Half Marathon on Sunday.
  • Kids Fun Event: A triathlon event specifically for children aged 13 and under.

Location and Schedule

The event is staged at McNear’s Beach Park, located at 201 Cantera Way. The schedule begins on Thursday and Friday with bib pick-up and the children's event. On Saturday, the venue hosts the Olympic distance triathlon and relay. On Sunday, the focus shifts to the trail half marathon. The site gates open early each morning, and specific road closures are implemented on Saturday to accommodate the cycling and running portions of the triathlon. Visit the organization's website for the most recent information.

Race information

52 km
Olympic Relay
13 mi
Trail Half Marathon
Sgrail Challenge - Triathlon & Trail Half Marathon
Olympic Triathlon
Visit the organization's website for the most recent information.
Trail runs nearby

A map-based mystery run from Ghirardelli Square through classic San Francisco neighborhoods, with team navigation, chip-tagged checkpoints, 5K and 10K options, age and gender divisions, and post-event snacks and socializing.

Join a monthly community event in Richmond featuring a conversational hike or a self paced trail run. This inclusive series held on first Saturdays brings people together for outdoor movement and connection.

Trail runs on Mt. Tam near Stinson Beach with 10K, Half, and 30K options across technical trails and major elevation changes; cupless aid stations, chip timing, and a 300-runner field.

Trail endurance races at Point Pinole Regional Shoreline offering 12 hour, 6 hour and 3 hour options for individuals or teams of two or three. The 3.37 mile loop runs mostly on dirt fire trails with shoreline views and eucalyptus groves.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.