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Triathlon Calendar near Buckinghamshire 2025-2026

Explore the top triathlons near Buckinghamshire for 2025-2026! We've gathered 49 exciting races in the area. Check out our detailed list below to find your next local race.

June 2026
Jun
6-7
Sa - Su

Blenheim Palace Triathlon

Triathlon
Jun
6
Saturday

Dorney Lake Triathlon

Triathlon
Jun
6
Saturday

Dorney Triathlon

Triathlon
Jun
14
Sunday

Royal Windsor Triathlon

Triathlon
Jun
21
Sunday

ATW Stewartby Lake Triathlon & Aquabike

Triathlon
July 2026
Jul
1
Wednesday

Dorney Lake Evening Sprint Triathlon & Sprint Aquabike

Triathlon
Jul
1
Wednesday

Midweek Dorney Triathlon

Triathlon
Jul
5
Sunday

ATW Box End Triathlon

Triathlon
Jul
6
Monday

Hitchin Tri

Triathlon
Jul
11
Saturday

Tri and Paratri Festival

Triathlon
Jul
12
Sunday

Dorney Lake Triathlon

Triathlon
Jul
12
Sunday

Dorney Triathlon

Triathlon
Jul
18
Saturday

Castle To Coast Triathlon

Triathlon
Jul
19
Sunday

Marlow Triathlon

Triathlon
Jul
19
Sunday

Bedford Triathlon Team Relays

Triathlon
Jul
26
Sunday

Dorney Lake Triathlon

Triathlon
Jul
26
Sunday

Dorney Triathlon

Triathlon
August 2026
Aug
2
Sunday

Cowman Triathlon

Triathlon
Aug
8
Saturday

Dorney Lake Triathlon

Triathlon
Aug
8
Saturday

Dorney Triathlon

Triathlon
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