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Triathlon Calendar near Pacifica 2025-2026

Explore the top triathlons near Pacifica for 2025-2026! We've gathered 56 exciting races in the area. Check out our detailed list below to find your next local race.

August 2025
Aug
16
Saturday

Tamalpa Headlands 50K

Trail Run 50 km
Aug
16
Saturday

Mission Bay Find-Your-Way 10K San Francisco

5 km 10 km
Aug
16
Saturday

Redwood (Summer) Trail Run

Trail Run 5 mi 13 mi ... 26 mi 50 km
Aug
16
Saturday

Beer City Half Marathon

5 km 10 km 13 mi
Aug
23
Saturday

We Run Oakland: For Our Children

5 km
Aug
23
Saturday

Double Dipsea

Trail Run 13 mi
Aug
31
Sunday

Crystal Springs Trail Run

Trail Run 8 km 13 mi ... 26 mi 50 km
September 2025
Sep
7
Sunday

Berkeley Half

13 mi 26 mi
Sep
7
Sunday

Diplo's Run Club

5 km
Sep
13
Saturday

Berkeley Trail Adventure

Trail Run 10 km 13 mi 35 km 50 km
Sep
20
Saturday

Newark Mile 4k

4 km
Sep
21
Sunday

Island Running Festival

5 km 10 km 13 mi
Sep
27
Saturday

Pacifica Summit Run

Trail Run 10 km 13 mi
Sep
27-28
Sa - Su

Dick Collins Firetrails

Trail Run 42 km 80 km 100 km
October 2025
Oct
4
Saturday

Star City San Bruno Mountain Half Marathon

Trail Run 5 km 13 mi
Oct
4
Saturday

Womens Headlands Half Marathon

Trail Run 10 km 12 mi
Oct
4
Saturday

Reservoir Dogs Trail Run - Orinda, CA

Trail Run 10 km 13 mi 35 km
Oct
11
Saturday

Ruth Anderson Memorial Endurance Run

Trail Run 50 mi
Oct
12
Sunday

Diwali Fun Run

5 km 10 km
Oct
19
Sunday

Pumpkin Run by Senior Coastsiders

5 km 10 km 13 mi
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