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Triathlon Calendar near Winterthur 2025-2026

Explore the top triathlons near Winterthur for 2025-2026! We've gathered 146 exciting races in the area. Check out our detailed list below to find your next local race.

September 2025
Sep
12
Friday

Penn State Brandywine Preview

Trail Run 6 km 8 km
Sep
12
Friday

Sunset over the Meadow 5K

5 km
Sep
13
Saturday

Parvin Anniversary Duathlon

Duathlon
Sep
13
Saturday

Chester County PrideRun/Walk

5 km
Sep
13
Saturday

The Best Races - Central Waterfront

5 km 10 km 13 mi
Sep
13
Saturday

Gavin and Bryson Blount Memorial 5K

5 km
Sep
13
Saturday

Boxers' Trail 5K

Trail Run 5 km
Sep
13
Saturday

Aidan J. Heart-Safe Communities 5K

5 km
Sep
13
Saturday

Harambee Happy Feet 5K

5 km
Sep
13
Saturday

9/11 Heroes Run - Philadelphia, Pennsylvania

5 km
Sep
13
Saturday

The Dustin Deckard Memorial 5k Run

5 km
Sep
13
Saturday

Live Like Lukas 5K

5 km
Sep
13
Saturday

Cougar Run

Trail Run 5 km
Sep
13
Saturday

Shootout XC Challenge 5K

Trail Run 5 km
Sep
13
Saturday

26 x 1-Mile Marathon Relay

Sep
14
Sunday

Marsh Creek Sprint Triathlon

Triathlon
Sep
14
Sunday

Great Human Race

5 km
Sep
14
Sunday

HollyDELL 5K

5 km
Sep
14
Sunday

Main Line Run

2 mi 5 km
Sep
14
Sunday

Ramsey's Farm Pumpkin Run/Walk

Trail Run 5 km
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