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Duathlons

Duathlon is a multidiscipline 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. The format is similar to triathlons, but you run instead of swim for the first leg. 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.

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  • 3JUL2021

    The Festival of Endurance at Hever Castle

    Multi-Sport ‧ Hever Castle
    140.6 mi • 76.9 mi • 75.6 mi • 70.2 mi • 38.5 mi • 37.0 mi • 26.2 mi • 15.4 mi • 13.1 mi • 7.4 mi
    £30 – £270C-19 Plan
    (1)
  • 24SEP2021

    Hever Castle Triathlon and Sport Festival

    Multi-Sport ‧ Hever
    70.2 mi • 35.0 mi • 32.0 mi • 30.3 mi • 25.8 mi • 18.6 mi • 16.0 mi • 15.2 mi • 12.9 mi • 10.7 mi • 7.1 mi • 7.0 mi • 3.9 mi • 3.6 mi • 3.5 mi
    £25 – £165C-19 Plan
    (4)
  • 22MAY2021

    The Marlow Classic

    Multi-Sport ‧ Marlow
    68.7 mi • 66.8 mi • 54.4 mi • 32.3 mi • 30.1 mi • 23.9 mi • 21.4 mi • 18.8 mi • 15.7 mi • 1.9 mi • 0.9 mi • 0.5 mi
    £15 – £110C-19 Plan
    (14)
  • 11JUN2021

    The SportPursuit Slateman10 Triathlon & Duathlon

    Multi-Sport ‧ Llanberis
    73.1 mi • 41.6 mi • 39.1 mi • 17.6 mi • 16.5 mi
    £61.95 – £165C-19 Plan
    (1)
  • 23JUL2021

    Castle Howard Triathlon

    Multi-Sport ‧ Castle Howard
    70.2 mi • 35.1 mi • 34.1 mi • 17.9 mi • 17.1 mi • 17.0 mi • 12.9 mi • 9.4 mi • 6.8 mi • 5.5 mi • 3.7 mi • 3.6 mi • 3.4 mi
    £25 – £165C-19 Plan
  • 18JUN2021

    Cholmondeley Castle Triathlon

    Multi-Sport ‧ Malpas
    73.9 mi • 36.7 mi • 34.5 mi • 32.8 mi • 28.3 mi • 18.3 mi • 16.4 mi • 14.1 mi • 10.4 mi • 7.1 mi • 6.9 mi • 6.8 mi • 4.2 mi • 3.8 mi • 3.7 mi • 3.6 mi
    £25 – £165C-19 Plan
    (1)
  • 17SEP2021

    Superfeet Sandman Triathlon & Duathlon

    Multi-Sport ‧ Llanfairpwllgwyngyll
    71.3 mi • 61.4 mi • 45.9 mi • 43.5 mi • 18.9 mi • 18.1 mi
    £66.95 – £170C-19 Plan
  • 30JUL2021

    The Snowman Triathlon & Duathlon

    Multi-Sport ‧ Betws-y-Coed
    71.5 mi • 50.8 mi • 49.2 mi • 24.5 mi • 23.5 mi
    £61.95 – £165C-19 Plan
    (1)
  • 24APR2021

    London Duathlon

    Duathlon ‧ Richmond
    66.5 mi • 36.7 mi • 19.9 mi
    £74.50 – £141.99C-19 Plan
    (5)
  • 27AUG2021

    Conquer The Chilterns

    Multi-Sport ‧ Fawley
    67.1 mi • 67.0 mi • 49.6 mi • 42.9 mi • 41.3 mi • 34.5 mi • 23.3 mi • 22.2 mi • 19.1 mi • 13.1 mi • 6.2 mi • 3.1 mi • 1.9 mi • 0.9 mi • 0.5 mi
    £15 – £110C-19 Plan
  • 13FEB2021

    Dorney Lake Winter Duathlon & Lake Runs

    Multi-Sport ‧ Windsor
    34.2 mi • 18.6 mi • 13.1 mi • 9.3 mi • 6.2 mi • 3.1 mi
    £18 – £60C-19 Plan
    (33)
  • 3SEP2021

    Dorney Lake Run & Multisport Weekender

    Multi-Sport ‧ Dorney
    34.2 mi • 32.0 mi • 25.8 mi • 21.7 mi • 18.6 mi • 16.0 mi • 15.5 mi • 13.1 mi • 12.9 mi • 9.3 mi • 8.0 mi • 6.5 mi • 6.2 mi • 3.1 mi • 1.9 mi • 0.9 mi • 0.5 mi
    £15 – £75C-19 Plan
    (8)
  • 13MAR2021

    Windsor & Eton Spring Duathlon & Lake Runs

    Multi-Sport ‧ Windsor
    34.2 mi • 18.6 mi • 13.0 mi • 9.3 mi • 6.2 mi • 3.1 mi
    £18 – £60C-19 Plan
    (14)
  • 3JUL2021

    The Fugitive

    Multi-Sport ‧ Marlow
    68.7 mi • 66.8 mi • 54.4 mi • 32.3 mi • 30.1 mi • 23.9 mi • 21.4 mi • 18.8 mi • 15.7 mi • 1.9 mi • 0.9 mi • 0.5 mi
    £15 – £110C-19 Plan
    (4)
  • 16APR2021

    Thames Valley Spring Duathlon & Lake Runs

    Multi-Sport ‧ Windsor
    34.2 mi • 18.6 mi • 13.1 mi • 9.3 mi • 6.2 mi • 3.1 mi
    £18 – £60C-19 Plan
    (2)
  • 17APR2021

    Harlech Triathlon & Duathlon

    Multi-Sport ‧ Harlech
    17.8 mi • 17.0 mi
    £43 – £53C-19 Plan
    (1)
  • 21MAR2021

    Donut Duathlon

    Duathlon ‧ Paignton
    14.0 mi • 7.0 mi • 4.9 mi • 1.4 mi
    £17 – £30C-19 Plan
  • 8OCT2021

    Windsor Autumn Duathlon & Lake Runs

    Multi-Sport ‧ Windsor
    34.2 mi • 18.6 mi • 13.1 mi • 9.3 mi • 6.2 mi • 3.1 mi
    £18 – £60C-19 Plan
  • 13NOV2021

    Windsor & Eton Autumn Classic Duathlon & Lake Runs

    Multi-Sport ‧ Buckinghamshire
    34.2 mi • 18.6 mi • 13.1 mi • 9.3 mi • 6.2 mi • 3.1 mi
    £18 – £60C-19 Plan
    (5)
  • 9JAN2021

    Windsor Winter Duathlon & Lake Runs

    Multi-Sport ‧ Dorney
    34.2 mi • 18.6 mi • 13.1 mi • 9.3 mi • 6.2 mi • 3.1 mi
    C-19 Plan
    (26)
  • 31JAN2021

    Hurtleberry Off-Road Duathlon & 10km Trail Run

    Multi-Sport ‧ Holmbury Saint Mary
    19.3 mi • 11.2 mi • 6.2 mi
    £20 – £50C-19 Plan
  • 26JUN2021

    West Bay Triathlon

    Multi-Sport ‧ West Bay
    35.1 mi • 24.5 mi • 19.8 mi • 13.5 mi
    £25 – £60C-19 Plan
    (1)
  • 11DEC2021

    Dorney Lake Christmas Duathlon & Lake Runs

    Multi-Sport ‧ Windsor
    34.2 mi • 18.6 mi • 13.1 mi • 9.3 mi • 6.2 mi • 3.1 mi
    C-19 Plan
  • 15MAY2021

    Bridport Triathlon

    Multi-Sport ‧ Bridport
    19.9 mi • 18.9 mi • 18.3 mi • 17.1 mi • 3.5 mi • 2.8 mi • 1.7 mi
    C-19 Plan

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