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Triathlon Calendar near Presidio of San Francisco 2025-2026

Explore the top triathlons near Presidio of San Francisco for 2025-2026! We've gathered 83 exciting races in the area. Check out our detailed list below to find your next local race.

March 2026
Mar
22
Sunday

Lag Bon 10K

Trail Run 10 km
Mar
29
Sunday

Golden State 5K

5 km
April 2026
Apr
4
Saturday

Golden Gate Headlands Marathon

Trail Run 10 km Half Marathon Marathon
Apr
4
Saturday

Diablo Trails Challenge

Trail Run 5 km 10 km Half Marathon 50 km
Apr
11
Saturday

Romancing the Island Half Marathon

Trail Run 10 km Half Marathon
Apr
25
Saturday

Mt. Tam Wild Boar Half Marathon

Trail Run 10 km Half Marathon
May 2026
May
2
Saturday

Miwok 100K

Trail Run 100 km
May
3
Sunday

Aztec Run

5 km
May
9
Saturday

Muir Woods Marathon

Trail Run 7 mi Half Marathon Marathon
May
9
Saturday

Grizzly Peak Trail Run

Trail Run 10 km Half Marathon ... Marathon 50 km
May
16
Saturday

Wildcat Half Marathon

Trail Run 5 km 10 km Half Marathon
May
30
Saturday

Nitro Trail

Trail Run 5 km 10 km Half Marathon
May
30
Saturday

Cinderella Trail Run

Trail Run 8 km Half Marathon ... Marathon 50 km
June 2026
Jun
6
Saturday

Bay Area 100

Trail Run 100 mi
Jun
7
Sunday

Lake Chabot Trail Challenge

Trail Run 5 km Half Marathon
Jun
13
Saturday

SF Half Day

Backyard Ultra 3 hr 6 hr 12 hr
Jun
28
Sunday

Mare Island Half Marathon

5 km 10 km Half Marathon
July 2026
Jul
4
Saturday

Alameda Parade R.A.C.E.

5 km
August 2026
Aug
2
Sunday

Skyline 50k Endurance Run

Trail Run 50 km
Aug
15
Saturday

Falcon 5K - Pleasant Hill

5 km
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