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Triathlon Calendar near Henley-on-Thames 2025-2026

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Explore the top triathlons near Henley-on-Thames for 2025-2026! We've gathered 24 exciting races in the area. Check out our detailed list below to find your next local race.

March 2025
Mar
9
Sunday

Dorney Lake Duathlon

Duathlon
April 2025
Apr
5
Saturday

Dorney Lake Duathlon

Duathlon
May 2025
May
11
Sunday

Hatch End - Harrow Triathlon

Triathlon
May
25
Sunday

Dorney Lake Draft-Legal Triathlon

Triathlon
May
25
Sunday

Dorney Lake Triathlon

Triathlon
May
28
Wednesday

Dorney Triathlon

Triathlon
June 2025
Jun
7-8
Sa - Su

Blenheim Palace Triathlon

Triathlon
Jun
7
Saturday

Dorney Triathlon

Triathlon
Jun
7
Saturday

Dorney Lake Triathlon

Triathlon
Jun
15
Sunday

Royal Windsor Triathlon

Triathlon
Jun
22
Sunday

Richmond Aquathlon

Aquathlon
Jun
29
Sunday

Thorpe Park Sprint Triathlon

Triathlon
July 2025
Jul
2
Wednesday

Midweek Dorney Triathlon

Triathlon
Jul
2
Wednesday

Dorney Lake Triathlon

Triathlon
Jul
12
Saturday

Conquer The Chilterns Triathlon

Triathlon
Jul
12
Saturday

Tri and Paratri Festival

Triathlon
Jul
13
Sunday

Dorney Triathlon

Triathlon
Jul
20
Sunday

Guildford Triathlon

Triathlon
Jul
27
Sunday

Dorney Lake Triathlon

Triathlon
Jul
27
Sunday

Dorney Triathlon

Triathlon
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