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Triathlon Calendar near Martinez 2025-2026

Explore the top triathlons near Martinez for 2025-2026! We've gathered 109 exciting races in the area. Check out our detailed list below to find your next local race.

May 2026
May
16
Saturday

Napa Wilderness Trail Runs

Trail Run 10 km 21 km 30 km 50 km
May
16
Saturday

Rim Rock 50 Mile Trail Challenge

Trail Run 50 mi
May
16
Saturday

Wildcat Half Marathon

Trail Run 5 km 10 km 21 km
May
30
Saturday

Nitro Trail

Trail Run 5 km 10 km 21 km
June 2026
Jun
6
Saturday

Bay Area 100

Trail Run 100 mi
Jun
28
Sunday

Mare Island Half Marathon

5 km 10 km 21 km
July 2026
Jul
18-19
Sa - Su

Napa to Sonoma Half Marathon

5 km 21 km
August 2026
Aug
2
Sunday

Skyline 50k Endurance Run

Trail Run
Aug
22
Saturday

We Run Oakland: For Our Children

5 km
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