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Triathlon Atlas

Full distance · 22 August 2027

IRONMAN Copenhagen

Copenhagen, Denmark

The race at a glance

Official race website
Circuit
IRONMAN
Distance
Full distance
Terrain
Road
Swim
3.8 km
Bike
180 km
Run
42.2 km
Date
22 Aug 2027
Registration
Sold out
Swim venue
Ocean
Average water temperature
18 °C
Bike profile
Rolling
Bike elevation gain
1,100 m
Run profile
Rolling
High air temperature
18 °C
Low air temperature
12 °C
Overall cut-off
15 h 45 min
Altitude
14 m
First edition
2010
Swim start
Rolling start

Edition history

202616 Aug 2026Held
202517 Aug 2025Held
202418 Aug 2024Held
202320 Aug 2023Held
202221 Aug 2022Held
202122 Aug 2021Held
201918 Aug 2019Held
201819 Aug 2018Held
201720 Aug 2017Held
201621 Aug 2016Held

How the day is laid out

The swim is held in the ocean. The wetsuit call is made on race morning, against the temperature measured then.

The organiser publishes 3.8 km of swimming, 180 km on the bike and 42.2 km of running.

The swim uses a rolling start: athletes enter the water a few at a time. The water is usually around 18 °C at this time of year.

The bike course is rolling, with about 1,100 m of climbing.

The run course is rolling.

Typical temperatures for the month run from 12 to 18 °C. The overall cut-off is 15 h 45 min.

The race was first held in 2010.

Against the calendar

Where this race sits among the others

Ranks are computed across every race of the same distance.

  • Average water temperature

    18 °C · median 22 °C

    The 5th coldest of the 48 full-distance races with a figure, across every circuit.

  • High air temperature

    18 °C · median 25 °C

    The coolest of the 52 full-distance races with a figure, across every circuit.

  • Bike elevation gain

    1100 m · median 1130 m

    The 20th flattest of the 43 full-distance races with a figure, across every circuit.

6

races of this distance pair a rolling bike with a rolling run, out of 55. 20 share the bike profile alone.

42

races across every distance fall in August, out of 354.

160

races are held in Europe. 32 of them in the same month as this one.

Questions about this race

When is IRONMAN Copenhagen 2027?
IRONMAN Copenhagen is held on 22 August 2027 in Copenhagen, Denmark. The race is sold out.
Is a wetsuit allowed at IRONMAN Copenhagen?
Most likely. The average water temperature is 18 °C, below the 24.5 °C limit up to which wetsuits are allowed for age-group athletes. The official call is made on race morning.
What is the cut-off at IRONMAN Copenhagen?
The course closes 15 h 45 min after the start. Intermediate cut-offs after the swim and the bike are in the athlete guide.
How hard is IRONMAN Copenhagen?
The bike course climbs about 1100 m, the 20th flattest of 43 full-distance races with a figure. The bike is labelled rolling and the run rolling. Expect highs of about 18 °C on race day.

Where to stay

Hotels and rentals around the race venue, for the nights around race day.

Suggested stay: 20 Aug 2027 to 23 Aug 2027

The map is provided by Stay22. Bookings are made with the provider.

Races of the same distance in the same region

Entries are handled by the organiser

Registration and the athlete guide are on the official race page.

Open the official race page