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Triathlon Calendar near Walton-on-Thames 2025-2026

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Explore the top triathlons near Walton-on-Thames for 2025-2026! We've gathered 52 exciting races in the area. Check out our detailed list below to find your next local race.

June 2026
Jun
6
Sa

Dorney Triathlon
Triathlon
Jun
7
Su

Dartford White Oak Triathlon
Triathlon
Jun
14
Su

Royal Windsor Triathlon
Triathlon
Jun
28
Su

The Bridge Triathlon
Triathlon
July 2026
Jul
1
We

Dorney Lake Evening Sprint Triathlon & Sprint Aquabike
Triathlon
Jul
1
We

Midweek Dorney Triathlon
Triathlon
Jul
11
Sa

Tri and Paratri Festival
Triathlon
Jul
12
Su

Dorney Lake Triathlon
Triathlon
Jul
12
Su

Dorney Triathlon
Triathlon
Jul
18
Sa

Castle To Coast Triathlon
Triathlon
Jul
19
Su

Marlow Triathlon
Triathlon
Jul
26
Su

Dorney Lake Triathlon
Triathlon
Jul
26
Su

Guildford Triathlon
Triathlon
Jul
26
Su

Dorney Triathlon
Triathlon
Jul
26
Su

Big South East Swim & Aquathlon
Aquathlon
August 2026
Aug
2
Su

The Bridge Triathlon
Triathlon
Aug
8
Sa

Dorney Lake Triathlon
Triathlon
Aug
8
Sa

Dorney Triathlon
Triathlon
Aug
23
Su

Thorpe Park Sprint Triathlon
Triathlon
Aug
26
We

Dorney Lake Evening Sprint Triathlon & Sprint Aquabike
Triathlon