marintriathlon.com

Marin County Triathlon

Name: Marin County Triathlon
Start: 2026-04-11
End: 2026-04-11
Location: San Rafael

location_city San Rafael

flag United States

calendar_today 11 Apr, 2026

kayaking Multisports

language Official Website

About the Event

Experience a classic Bay Area triathlon in a spectacular coastal setting. The Marin County Triathlon, part of the Marin Endurance Festival, takes place on Saturday, 11 April 2026, at the scenic McNears Beach Park in San Rafael. This longstanding and beloved event offers athletes a positive, community-focused race with swim, bike, and run courses that showcase the region's breathtaking natural beauty, including panoramic views of San Pablo Bay, the Golden Gate Bridge, and the trails of China Camp State Park. Designed to be both challenging for seasoned triathletes and welcoming for newcomers, the event prides itself on being spectator-friendly and committed to minimizing its environmental footprint. Whether you're diving into your first open-water swim or pushing for a personal best, this triathlon provides a memorable and beautifully organized celebration of endurance sport against the iconic backdrop of Marin County.

Races Offered

Olympic Triathlon

Apr 11, 2026

straighten

Distance — 40 km 10 km

terrain

Type — Triathlon

timer

09:00

Olympic Triathlon Relay

Apr 11, 2026

straighten

Distance — 40 km 10 km

terrain

Type — Triathlon

timer

09:00

Sprint Triathlon

Apr 11, 2026

straighten

Distance — 20 km 5 km

terrain

Type — Triathlon

timer

09:00

Sprint Triathlon Relay

Apr 11, 2026

straighten

Distance — 20 km 5 km

terrain

Type — Triathlon

timer

09:00

Weather Overview

These values represent the 3-year monthly averages for April in San Rafael.

Temp (°C)

Feels Like (°C)

thermostat 7.9° / 19.2°

wb_sunny 5.1° / 17.0°

Wind (km/h)

Humidity (%)

air 10.2 /

water_drop 69.7%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 7.9° / 19.2°

wb_sunny 5.1° / 17.0°

air 10.2 km/h

water_drop 69.7%

About San Rafael

Historically home to one of California's original Spanish missions, San Rafael is now a mid-sized Bay Area commuter town with beautiful hills, peaceful nature, interesting architecture, and a bustling downtown area centered around 4th Street. San Rafael is the cultural and political center of Marin County, and offers its own set of attractions as well as easy access to other parts of the county.