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Half Ironman Triathlons Found

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70.3 Half Ironman Triathlons 2024 - 2025

Half Ironman Triathlons: Distances

  • Swim - 1.2 miles (1.9 km)
  • Bike - 56 miles (90 km)
  • Run 13.1 miles (21.1 km, ie a Half Marathon)


The Half Ironman triathlon is the perfect distance for any triathlete looking to step up to middle distance triathlons. Long enough to be a true test of endurance and mental strength but achievable for anyone willing to put in the hours over a few months. Completing 70.3 miles (or 113 kms if you are that way inclined) of swimming, cycling and running is certainly no mean feat.

Any middle distance triathlon is a gruelling challenge but finding it shouldn’t be so whether you are after a small local race or an international triathlon event, you will find it on Find a Race. Used by tens of thousands of triathletes the Find a Race event calendar lists Half Ironman, 70.3 and iron distance races around the UK and across the world. Check out our comprehensive 2024 - 2025 middle distance triathlon race calendar below: and use the “Refine” button to find your perfect race... and once you've recovered, don't forget to come back and check out our calendar of Full Ironman Triathlons :-)

70.3 Half Ironman Triathlon Events

Roadford Lake Triathlon

Roadford Lake, Broadwoodwidger, Lifton, PL16 0RL
19 May 24
£47.70 - £143.10
5.0

The Castle Race Series - Lough Cutra Triathlon, Duathlon, Aquathlon, Aquabike & Junior Races

25 May 24 - 26 May 24
£35.00 - £245.00

Offer

20% OFF

The Weymouth Middle Distance + WMD Classic Triathlon & WMD Sprint Triathlon

Weymouth College, Cranford Avenue, Weymouth, DT4 7SW
02 Jun 24
£74.50 - £132.88

The Castle Race Series - Château de Chantilly - Triathlon, Duathlon, Aquathlon, Aquabike & Junior Races

Chantilly, Oise
08 Jun 24 - 09 Jun 24
£35.00 - £245.00

Offer

20% OFF

Slateman Triathlon & DUATHLON

Caernarfon, Gwynedd
09 Jun 24
£69.99 - £229.99

The One for the Planet - Dorney

16 Jun 24
£25.00 - £75.00

The Castle Race Series - Cholmondeley Castle Triathlon, Duathlon, Aquathlon, Aquabike & Junior Races

Malpas, Cheshire, Cheshire East
22 Jun 24 - 23 Jun 24
£35.00 - £245.00

Offer

20% OFF

UK Ultimate Triathlon 2024

Ellesmere, Shropshire
30 Jun 24
£99.00 - £349.00

The Northumbrian Full & Half Iron-Distance Triathlon

Hexham, Northumberland
30 Jun 24
£185.00 - £340.00
5.0

IRONMAN 70.3 Bolton

Bolton, Lancashire
30 Jun 24
£310.00 - £585.00

The Cardiff Triathlon & Duathlon

Cardiff
30 Jun 24
£78.99 - £229.99

IRONMAN 70.3 Swansea

Swansea, West Glamorgan
14 Jul 24
£340.00 - £615.00

The One on the River - Marlow - Summer Edition

Higginson Park, Lower Pound Lane, Marlow, SL7 2AE
14 Jul 24
£25.00 - £110.00

The Castle Race Series - Belvoir Castle Triathlon, Duathlon, Aquathlon, Aquabike & Junior Races

27 Jul 24 - 28 Jul 24
£35.00 - £245.00

Offer

20% OFF

ATW Big East & Maldon Triathlon

Promenade Park, Park Drive, Maldon, Essex, CM9 5JQ
04 Aug 24
£79.50 - £185.50

Snowman Duathlon & Triathlon

Betws-y-Coed, Conwy Principal Area
04 Aug 24
£69.99 - £224.99

Belvoir Castle Triathlon & Multisport

Grantham, Lincolnshire
01 Sep 24
£32.00 - £127.00

Shropshire Triathlon 2024

Ellesmere, Shropshire
08 Sep 24
£99.00 - £219.00

Superfeet Sandman - Triathlon & Duathlon

Llanfairpwllgwyngyll, Gwynedd
14 Sep 24 - 15 Sep 24
£69.99 - £224.99

IRONMAN 70.3 Weymouth

Weymouth, Dorset
15 Sep 24
£295.00 - £570.00
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