Ironman Triathlons: Distances

• Swim - 2.4 miles (3.8 km)
• Bike - 112 miles (180 km)
• Run 26.2 mile (42.2 km, ie a Marathon)

Completing an iron distance event is the ultimate challenge for many a triathlete. ‘Going long’ as it’s known is a serious commitment but the feeling when you complete that 140.6 miles and become an Ironman (or Ironwoman) makes it all worthwhile!

Any long course 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 Ironman and iron distance races around the UK and across the world. Check out our comprehensive 2023 - 2024 Iron Distance race calendar below: and use the “Refine” button to find your perfect race.