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3 day 140.6
by Sean Conway
Complete a Full Iron Distance. Over 3 Days.
Swim. Bike. Run.
A 140.6-mile triathlon, broken into one powerful Long weekend.
Starts Friday 2nd October 2026
WHAT IS IT
The 3 Day 140.6 is a full iron distance triathlon completed over three days.
Day 1 – 3.8km swim
Day 2 – 180km bike
Day 3 – 42.2km run
Same distance. Same discipline.
Just spread across three days.
THE GLOBAL WEEKEND
This challenge can be done at any time of the year but the mass event starts on the 2nd October 2026
Friday 2nd October 2026
Find a pool, lake or the sea and swim 3.8km.
Saturday 3rd October 2026
Get out on the bike and complete 180km.
Sunday 4th October 2026
Find a good marathon route and dig deep to complete the challenge.
WHO IT’S FOR
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First-time iron distance athletes
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Busy people who can’t commit to a full race day
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Athletes building toward a full Ironman
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Anyone who wants a serious endurance challenge
If you can commit to three days, you can do this.
Register for free
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