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Triathlon Calendar East of England 2025-2026

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Explore the best triathlons in East of England for 2025-2026! Our updated list features 15 exciting races across the region. Find your next race in East of England below and join the running community at these great events!

May 2025
May
4
Sunday

ATW St Neots Triathlon

Triathlon
May
11
Sunday

HSV Sprint Triathlon

Triathlon
May
17
Saturday

Essex Triathlons - Hanningfield Reservoir

Triathlon
May
18
Sunday

ATW Box End Triathlon

Triathlon
May
18
Sunday

ATW Centurion 100km Triathlon Box End

Triathlon
June 2025
Jun
1
Sunday

ATW Grafman Middle Distance Triathlon

Triathlon
Jun
15
Sunday

ATW Stewartby Lake Triathlon & Aquabike

Triathlon
July 2025
Jul
5
Saturday

Atw Odyssey Triathlon

Triathlon
Jul
6
Sunday

ATW St Neots Triathlon

Triathlon
Jul
6
Sunday

Hitchin Tri

Triathlon
Jul
20
Sunday

Southend Triathlon

Triathlon
August 2025
Aug
10
Sunday

ATW St Neots Triathlon

Triathlon
Aug
31
Sunday

HSV Sprint Triathlon

Triathlon
September 2025
Sep
13
Saturday

ATW Grafham Triathlon

Triathlon
Sep
21
Sunday

ATW Big East & Maldon Triathlon

Triathlon
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