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Half Ironman Triathlons

The Half Ironman, also known as the Middle Distance Triathlon or 70.3, consists of a 1.2 mile (1.9k) swim, 56 mile (90k) bike, and 13.1 mile (21.2k) run. In total, this adds up to a distance of 70.3km (hence the name), which is exactly half the distance of a full Ironman. The half Ironman is becoming a more and more popular distance, as triathletes want to push themselves beyond the standard Olympic distance, but aren't yet ready to commit to the full Ironman distance. Events at this distance can vary according to weather conditions or the difficulty of the terrain, but in general the cut off time for half-ironman distance triathlons is 8 and a half hours after the start. A very impressive time for completing a 70.3 triathlon would be under 6 hours, and elite competitors even go under 4 hours! There are over 30 official Ironman 70.3 events in the USA, where it is possible to qualify for the annual Ironman 70.3 World Championships.

Nearby Half Ironman Triathlons

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All Half Ironman Triathlons
19 events found
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  • 15AUG

    Michigan Titanium

    Multi-Sport Kalamazoo
    140.4 mi • 114.3 mi • 85.9 mi • 70.2 mi • 57.2 mi • 42.9 mi • 31.7 mi • 25.5 mi • 19.3 mi • 2.4 mi • 1.9 mi • 1.2 mi • 0.9 mi
    $20 – $620
  • 22AUG

    Lake Tahoe Triathlon

    Multi-Sport Tahoma
    70.8 mi • 57.2 mi • 33.6 mi • 32.3 mi • 16.5 mi • 12.4 mi
    $61 – $296
  • 1NOV

    Oilman Texas Triathlon

    Half Ironman Conroe
    70.2 mi
  • 3OCT

    Waterman's Half Triathlon

    Multi-Sport Rock Hall
    70.2 mi • 57.1 mi • 32.0 mi • 16.5 mi • 16.0 mi • 9.8 mi
  • 19SEP

    SavageMan Triathlon Festival

    Multi-Sport Swanton
    57.2 mi • 32.0 mi • 19.0 mi • 12.0 mi • 10.1 mi • 2.3 mi
    $115
  • 13SEP

    Onalaska Half Triathlon

    Half Ironman Onalaska
    70.2 mi
  • 24OCT

    HITS Championship

    Triathlon Palm Springs
    140.3 mi • 70.2 mi • 32.0 mi • 16.0 mi
  • 20SEP

    Toughman Triathlon

    Multi-Sport Stony Point
    70.2 mi • 57.2 mi
  • 12SEP

    Pumpkinman Triathlon Festival - Sprint

    Triathlon South Berwick
    70.2 mi • 16.0 mi • 13.1 mi • 8.7 mi
  • 4OCT

    Toughman Tennessee Half Triathlon - an Atomic Experience

    Half Ironman Lenoir City
    70.2 mi
  • 20SEP

    US Army Capex Triathlon

    Triathlon Carlyle
    70.2 mi • 32.0 mi • 16.0 mi
  • 12SEP

    Litchfield Triathlou Triathlons

    Triathlon Litchfield
    70.2 mi • 32.0 mi • 16.0 mi
  • 16AUG

    Peasantman Steel Distance Triathlons

    Triathlon Penn Yan
    140.3 mi • 70.2 mi • 32.0 mi • 16.0 mi
  • 16AUG

    Michigan Titanium

    Multi-Sport Grand Rapids
    140.4 mi • 137.9 mi • 114.3 mi • 70.2 mi • 69.0 mi • 57.2 mi • 32.0 mi • 31.7 mi • 31.1 mi • 31.0 mi • 25.7 mi • 25.5 mi
    $90 – $340
  • 4OCT

    Deep South Triathlon

    Half Ironman Rankin County
    70.3 mi • 70.2 mi
    $225 – $375
  • 27SEP

    MightyMan Montauk

    Triathlon Montauk
    70.2 mi • 32.0 mi • 16.0 mi
  • 5SEP

    Lake George Triathlon

    Triathlon Lake George
    70.2 mi • 31.7 mi
  • 12SEP

    Outer Banks Triathlon - Sprint

    Triathlon Manteo
    70.2 mi • 32.0 mi • 16.0 mi
  • 19SEP

    Pilgrimman Triathlon

    Triathlon Plymouth
    70.2 mi • 32.0 mi • 16.0 mi
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Showing 1 - 19 of 19 events

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