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Duathlon
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Duathlon Events in United Kingdom 2026-2027

A duathlon is a multi discipline endurance sport where you run the first leg, cycle the second, and then run again for the third and final section. There are four standard Duathlon distances governed by the International Triathlon Union (ITU): the Sprint distance duathlon includes a 5k run, 20k bike, 2.5k run; Standard distance duathlon includes a 10k run, 40k bike, 5k run; Middle distance duathlon includes a 10k run, 60k bike, 10k run; and Long distance duathlon includes a 10k run, 150k bike, 30k run. Similar variants are aquathlons which have the swimming and running without the cycling element, or aquabikes which have the swimming and cycling without the running element. There are also team duathlon events, where one member runs while all others cycle, and roles are changed at various transition points. Team duathlons require good planning and teamwork throughout to make things as smooth and speedy as possible.

21events found
Blenheim Palace Triathlon 2026

5

Sat, Jun 6, 2026

Woodstock, GB • Swim 0.4km - Bike 44km

Dorney Lake Duathlon January 2026

18

Sun, Jan 18, 2026

Windsor, GB • Run 0km - Bike 38km

4.6
Dorney Lake Duathlon February 2026

7

Sat, Feb 7, 2026

Windsor, GB • Run 0km - Bike 38km

4.8
Dorney Lake Duathlon March 2026

8

Sun, Mar 8, 2026

Windsor, GB • Run 0km - Bike 38km

4.9
Margam Park Duathlon

29

Sun, Mar 29, 2026

Port Talbot, GB • Run 2.5km - Bike 40km

2026 - Oulton Park Duathlon - British Triathlon Championship and Qualifying Event

29

Sun, Mar 29, 2026

Little Budworth, GB • Run 1.25km - Bike 38km

Dorney Lake Duathlon April 2026

3

Sat, Apr 4, 2026

Windsor, GB • Run 0km - Bike 38km

4.5
2026 Wilmslow Spring Triathlon

25

Sun, Apr 26, 2026

Wilmslow, GB • Swim 0.4km - Bike 45km

2026 Upton Multisport

10

Sat, Jul 11, 2026

Worcester, GB • Swim 0.75km - Bike 42km

Eastbourne Triathlon and Multiport Festival

11

Sun, Jul 12, 2026

Eastbourne, GB • Swim 0.75km - Run 600m

4.6(8)
Brighton & Hove Triathlon and Multisport Festival

5

Sun, Sep 6, 2026

Hove, GB • Swim 0.3km - Swim 1500m

4.7(9)
2026 Wilmslow Autumn Triathlon

19

Sun, Sep 20, 2026

Wilmslow, GB • Swim 0.4km - Bike 48.2km

Dorney Lake Duathlon October 2026

2

Sat, Oct 3, 2026

Windsor, GB • Run 0km - Bike 38km

Dorney Lake Duathlon November 2026

8

Sun, Nov 8, 2026

Windsor, GB • Run - Bike 38km

4.6(15)
Dorney Lake Duathlon December 2026

12

Sat, Dec 12, 2026

Windsor, GB • Run 0km - Bike 38km

4.7(6)
Ely 115 Squadron Duathlon 2026

22

Sun, Mar 22, 2026

ELY, GB • Run 4km - Bike 26km

4.7(30)
The One on the River - Marlow - May

23

Sun, May 24, 2026

Marlow, GB • Run 5km - Swim 3000m

3.6
Running GP at Goodwood Motor Circuit Races & Duathlon July  2026

4

Sun, Jul 5, 2026

Chichester, GB • Run - Bike 38km

Altra Kielder Marathon Weekend

2

Sat, Oct 3, 2026

Hexham, GB • Run 1.5km - Run 26.2mi

The Last Tri Lydney

3

Sun, Oct 4, 2026

Lydney, GB • Run 5km - Swim 750m

4.3(80)
Kenfig Dunes Duathlon

25

Sun, Apr 26, 2026

Kenfig, GB • Run 2.5km - Bike 40km

Showing 1 - 21 of 21 events
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