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Triathlon Calendar near Walton-on-Thames 2025-2026

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Monthly updates for Walton-on-Thames

Get new running races (and updates) in your inbox every month.

Explore the top triathlons near Walton-on-Thames for 2025-2026! We've gathered 55 exciting races in the area. Check out our detailed list below to find your next local race.

January 2026
Jan
18
Su

Dorney Lake Duathlon

Duathlon
Jan
18
Su

Dorney Duathlon

Duathlon
February 2026
Feb
7
Sa

Dorney Lake Duathlon

Duathlon
Feb
7
Sa

Dorney Duathlon

Duathlon
March 2026
Mar
8
Su

Dorney Lake Duathlon

Duathlon
Mar
8
Su

Dorney Duathlon

Duathlon
April 2026
Apr
4
Sa

Dorney Lake Duathlon

Duathlon
Apr
4
Sa

Dorney Duathlon

Duathlon
Apr
26
Su

Woking Spring Triathlon

Triathlon
May 2026
May
2
Sa

Dorney Lake Triathlon

Triathlon
May
2
Sa

Dorney Triathlon

Triathlon
May
4
Mo

Thames Turbo Sprint Triathlon

Triathlon
May
10
Su

HSV Sprint Triathlon

Triathlon
May
10
Su

Hatch End - Harrow Triathlon

Triathlon
May
16
Sa

FreeTri at Walton

Triathlon
May
24
Su

Marlow Triathlon

Triathlon
May
27
We

Midweek Dorney Triathlon

Triathlon
May
27
We

Dorney Lake Evening Super Sprint Triathlon

Triathlon
May
31
Su

Box Hill Triathlon

Triathlon
June 2026
Jun
6
Sa

Dorney Lake Triathlon

Triathlon