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Triathlon Calendar near Angwin 2025-2026

Explore the top triathlons near Angwin for 2025-2026! We've gathered 8 exciting races in the area. Check out our detailed list below to find your next local race.

March 2025
Mar
16
Sunday

St. Patrick’s Day 5K - Santa Rosa

5 km
Mar
22
Saturday

Napa Valley Trail Marathon

Trail Run 10 km 13 mi 26 mi
Mar
23
Sunday

Viansa Wine Run

5 km
April 2025
Apr
6
Sunday

Annadel Half Marathon

Trail Run 5 km 10 km 13 mi
Apr
12
Saturday

Lake Sonoma 50

Trail Run 50 mi
Apr
13
Sunday

Napa Valley Endurance Run

Trail Run 10 km 13 mi 35 km 50 km
Apr
26
Saturday

Loop the Lagoon

2 mi 5 km 10 km
Apr
27
Sunday

Napa Spring Half Marathon

5 km 13 mi
May 2025
May
4
Sunday

Angwin to Angwish

Trail Run 10 km 26 km
May
4
Sunday

Windsor Half Marathon - USA

5 km 10 km 13 mi
May
17
Saturday

Napa Wilderness Trail Runs

Trail Run 10 km 13 mi ... 50 km 40 mi
July 2025
Jul
19-20
Sa - Su

Napa to Sonoma Half Marathon

5 km 13 mi
August 2025
Aug
23-24
Sa - Su

Santa Rosa Marathon

5 km 10 km 13 mi 26 mi
October 2025
Oct
18
Saturday

California Fall Classic at Lake Sonoma

Trail Run 55 km 100 km
November 2025
Nov
1
Saturday

IPA 10K

3 km 10 km 13 mi
Nov
1
Saturday

Ipa Half Marathon

3 km 10 km 13 km
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