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Triathlon Atlas

Triathlon distances

IRONMAN distances

3.8 km (2.4 mi) of swimming, 180 km (112 mi) on the bike and 42.2 km (26.2 mi) of running: 226 km (140.6 mi) in all. 69 races on the site are held at this distance.

The distance in kilometres and miles

  • Swim: 3.8 km (2.4 mi)
  • Bike: 180 km (112 mi)
  • Run: 42.2 km (26.2 mi)
  • Total: 226 km (140.6 mi)

The time allowed is set by each organiser. Most IRONMAN races close the finish 17 h after the start; across the site, final cut-offs run from 15 h to 20 h. The IRONMAN cut-off guide gives the intermediate limits race by race.

Organisers round to their own course: a race listed at this distance may swim or ride a little more or less. Each race page gives the exact kilometres. This guide covers the full distance only: the half IRONMAN distance guide covers the 70.3, and the triathlon distances guide compares every format, from sprint to full.

Races at this distance

Coming up next first, with the water and the bike profile.

69 races · figures last updated 8 Nov 2026

Race
IRONMAN Gurye Korea GuryeSouth KoreaIRONMAN4 Oct 202624 °CFlat
IRONMAN San Juan San JuanArgentinaIRONMAN1 Nov 202622 °CRolling
IRONMAN Florida Panama City BeachUnited StatesIRONMAN7 Nov 202622 °CFlat
Formosa Xtreme Triathlon Sun Moon LakeTaiwanXTRI13 Nov 2026n/aHilly
IRONMAN Malaysia LangkawiMalaysiaIRONMAN21 Nov 202629 °CHilly
IRONMAN Cozumel CozumelMexicoIRONMAN22 Nov 202626 °CFlat
IRONMAN Valdivia ValdiviaChileIRONMAN29 Nov 202614 °CRolling
IRONMAN Oman MuscatOmanIRONMAN5 Dec 202624 °CRolling
IRONMAN Western Australia BusseltonAustraliaIRONMAN6 Dec 202621 °CFlat
Patagonman Xtreme Triathlon Puerto ChacabucoChileIndependent6 Dec 2026n/an/a
Fodaxman Extreme Triathlon SiderópolisBrazilXTRI12 Dec 2026n/aHilly
Challenge Israman EilatIsraelChallenge Family29 Jan 202722 °CHilly
Challenge Sir Bani Yas Sir Bani Yas IslandUnited Arab EmiratesChallenge Family30 Jan 2027n/aRolling
Chibchi Fisha XTRI TotaColombiaXTRI30 Jan 2027n/aHilly
IRONMAN New Zealand TaupoNew ZealandIRONMAN6 Mar 202718 °CRolling
IRONMAN Penghu PenghuTaiwanIRONMAN11 Apr 202724 °CRolling
IRONMAN South Africa, Mossel Bay Mossel BaySouth AfricaIRONMAN18 Apr 202720 °CHilly
Challenge Taiwan TaitungTaiwanChallenge Family24 Apr 202725 °CRolling
IRONMAN Texas The WoodlandsUnited StatesIRONMAN24 Apr 202723 °CFlat
HimalayanXtri PokharaNepalXTRI8 May 202720 °CHilly
Médoc Atlantique Frenchman – XXL CarcansFranceIndependent8 May 2027n/an/a
IRONMAN Vietnam Da NangVietnamIRONMAN9 May 202729 °CFlat
IRONMAN Lanzarote LanzaroteSpainIRONMAN15 May 202720 °CHilly
IRONMAN Jacksonville JacksonvilleUnited StatesIRONMAN16 May 202726 °CFlat
AlpsMan Xtrem Triathlon Saint-JoriozFranceIndependent5 Jun 2027n/an/a
IRONMAN Hamburg HamburgGermanyIRONMAN6 Jun 202721 °CFlat
CELTMAN! Extreme Scottish Triathlon ShieldaigUnited KingdomXTRI12 Jun 2027n/aHilly
IRONMAN Brazil BrazilIRONMAN13 Jun 202720 °CFlat
IRONMAN Cairns CairnsAustraliaIRONMAN13 Jun 202723 °CRolling
IRONMAN Kaernten-Klagenfurt, Austria KlagenfurtAustriaIRONMAN13 Jun 202723 °CRolling
IRONMAN Philippines Davao City Davao CityPhilippinesIRONMAN13 Jun 202728 °CFlat
Lakesman Full KeswickUnited KingdomIndependent20 Jun 2027n/an/a
SWISSMAN Xtreme Triathlon AsconaSwitzerlandXTRI26 Jun 2027n/aHilly
IRONMAN Frankfurt FrankfurtGermanyIRONMAN27 Jun 202723 °CRolling
IRONMAN Les Sables d'Olonne-Vendee Les Sables d'OlonneFranceIRONMAN27 Jun 202720 °CRolling
DATEV Challenge Roth RothGermanyChallenge Family4 Jul 202723 °CRolling
IRONMAN Switzerland Thun ThunSwitzerlandIRONMAN4 Jul 202717 °CHilly
Altriman – Full Les AnglesFranceIndependent10 Jul 2027n/aHilly
Swedeman Xtreme Triathlon TännforsenSwedenXTRI10 Jul 202715 °CRolling
IRONMAN Vitoria-Gasteiz Vitoria-GasteizSpainIRONMAN11 Jul 202721 °CRolling
IRONMAN Lake Placid Lake PlacidUnited StatesIRONMAN25 Jul 202722 °CHilly
IRONMAN Tallinn TallinnEstoniaIRONMAN7 Aug 202718 °CRolling
Norseman Xtreme Triathlon EidfjordNorwayXTRI7 Aug 2027n/aHilly
IRONMAN Canada-Ottawa OttawaCanadaIRONMAN8 Aug 202721 °CRolling
Embrunman EmbrunFranceIndependent15 Aug 2027n/aHilly
IRONMAN Leeds LeedsUnited KingdomIRONMAN15 Aug 202721 °CHilly
IRONMAN Kalmar-Sweden KalmarSwedenIRONMAN21 Aug 202720 °CFlat
IRONMAN Copenhagen CopenhagenDenmarkIRONMAN22 Aug 202718 °CRolling
IRONMAN Vichy VichyFranceIRONMAN22 Aug 202722 °CHilly
ICON Livigno Xtreme Triathlon LivignoItalyXTRI3 Sept 202714 °CHilly
JÁNOŠÍK Slovak Xtreme Triathlon NámestovoSlovakiaXTRI4 Sept 202718 °CRolling
Castle Triathlon Malbork IM MalborkPolandIndependent5 Sept 2027n/aFlat
IRONMAN Belgium Knokke-Heist Knokke-HeistBelgiumIRONMAN5 Sept 202719 °CFlat
BLACKLAKE Xtreme Triathlon ŽabljakMontenegroXTRI11 Sept 202715 °CHilly
Challenge Almere-Amsterdam AlmereNetherlandsChallenge Family11 Sept 202719 °CFlat
Le Triathlon d'Evian – Le-Man Full Distance Évian-les-BainsFranceIndependent11 Sept 2027n/aHilly
IRONMAN France NiceFranceIRONMAN12 Sept 202724 °CHilly
IRONMAN Japan South Hokkaido HokutoJapanIRONMAN12 Sept 202721 °CFlat
IRONMAN Wisconsin MadisonUnited StatesIRONMAN12 Sept 202724 °CRolling
IRONMAN Italy Emilia Romagna CerviaItalyIRONMAN18 Sept 202722 °CFlat
IRONMAN Maryland CambridgeUnited StatesIRONMAN18 Sept 202722 °CFlat
IRONMAN Wales PembrokeshireUnited KingdomIRONMAN19 Sept 202717 °CHilly
IRONMAN Chattanooga ChattanoogaUnited StatesIRONMAN26 Sept 202725 °CRolling
IRONMAN Calella-Barcelona CalellaSpainIRONMAN3 Oct 202722 °CFlat
IRONMAN World Championship KonaUnited StatesIRONMAN9 Oct 202726 °CRolling
Greek Hero XTRI CorfuGreeceXTRI16 Oct 2027n/aHilly
IRONMAN Australia Port MacquarieAustraliaIRONMAN17 Oct 202723 °CRolling
IRONMAN Portugal-Cascais CascaisPortugalIRONMAN23 Oct 202717 °CHilly
IRONMAN California SacramentoUnited StatesIRONMAN24 Oct 202718 °CFlat

Compare three races on the same rows

Pick up to three races.

IRONMAN Lanzarote

IRONMAN Texas

  1. Race 1 IRONMAN Lanzarote
  2. Race 2 IRONMAN Texas
Circuit
IRONMANIRONMAN
Distance
Full distanceFull distance
Terrain
RoadRoad
Swim
3.8 km3.8 km
Bike
180 km180 km
Run
42.2 km42.2 km
Date
15 May 202724 Apr 2027
Country
SpainUnited States
Registration
OpenSold out
Swim venue
OceanLake
Average water temperature
20 °C23 °C
High air temperature
25 °C30 °C
Low air temperature
18 °C20 °C
Bike profile
HillyFlat
Bike elevation gain
2,550 m373 m
Run profile
RollingRolling
Run elevation gain
n/a150 m
Overall cut-off
17 h17 h
Altitude
44 m49 m
First edition
19922011
Swim start
Rolling startRolling start
Entry fee, from
€778n/a

Questions this guide answers

What are the IRONMAN distances?

A 3.8 km (2.4 mi) swim, a 180 km (112 mi) bike and a 42.2 km (26.2 mi) run: 226 km, or 140.6 miles, in all. The half distance, IRONMAN 70.3, is exactly half: see the half IRONMAN distance guide.

How long do you have to finish an IRONMAN?

Most IRONMAN races give 17 h from the start to the finish line, with earlier cut-offs after the swim and the bike. Each race page shows its own figure when the organiser publishes it.

How many races are held at this distance?

69 on the site, across 4 circuits and 38 countries.

When are full-distance IRONMAN races held?

From March to December, with the most in September. The IRONMAN calendar groups them by month.

Find a race at this distance

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