Triathlon Course Records

The fastest times across the full iron-distance (3.8k / 180k / 42.2k).

The Ultimate Record

Theoretical Fastest Ever

Combining the absolute fastest individual splits ever recorded in competitive full-distance racing.

7:01:03

Fastest Swim

38:06

Barrett Brandon (USA)

IM Chattanooga 2014 (River)

Fastest Bike

3:53:32

Cameron Wurf (AUS)

IM Texas 2025 (WR)

Fastest Run

2:29:25

Casper Stornes (NOR)

IM WC Nice 2025

Major Professional Records

Full-Distance World Record

Kristian Blummenfelt (NOR)•Cozumel (Current-Assisted)(2021)

Overall Time

7:21:12

Swim (3.8k)

39:41

Bike (180k)

4:02:40

Run (42.2k)

2:35:24

IM World Championship (Nice 2025)

Casper Stornes (NOR)•Nice, FRA(2025)

First sub-2:30 marathon in WC history

Overall Time

7:51:39

Swim (3.8k)

46:48

Bike (180k)

4:30:12

Run (42.2k)

2:29:25

IM World Championship (Kona)

Patrick Lange (GER)•Kona, HI(2024)

Overall Time

7:35:53

Swim (3.8k)

47:09

Bike (180k)

4:06:22

Run (42.2k)

2:37:34

Challenge Roth Course Record

Magnus Ditlev (DEN)•Roth, GER(2024)

Overall Time

7:23:24

Swim (3.8k)

46:23

Bike (180k)

3:59:25

Run (42.2k)

2:34:18