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Triathlon Atlas

Half distance · 22 August 2027

IRONMAN 70.3 Colombo

Colombo, Sri Lanka

The race at a glance

Official race website
Circuit
IRONMAN
Distance
Middle distance
Terrain
Road
Swim
1.9 km
Bike
90 km
Run
21.1 km
Date
22 Aug 2027
Registration
Open
Swim venue
Ocean
Average water temperature
26 °C
Bike profile
Flat
Run profile
Flat
High air temperature
32 °C
Low air temperature
27 °C
Overall cut-off
8 h 30 min
Entry fee, from
$350
Altitude
3 m
Swim start
Rolling start

Edition history

202622 Feb 2026Held
201924 Feb 2019Held
201825 Feb 2018Held

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 1.9 km of swimming, 90 km on the bike and 21.1 km of running.

The swim uses a rolling start: athletes enter the water a few at a time. The water is usually around 26 °C at this time of year.

The bike course is flat.

The run course is flat.

Typical temperatures for the month run from 27 to 32 °C. The overall cut-off is 8 h 30 min.

Against the calendar

Where this race sits among the others

Ranks are computed across every race of the same distance.

  • Average water temperature

    26 °C · median 21 °C

    The 20th warmest of the 128 middle-distance races with a figure, across every circuit.

  • High air temperature

    32 °C · median 25 °C

    The 16th hottest of the 152 middle-distance races with a figure, across every circuit.

43

races of this distance pair a flat bike with a flat run, out of 159. 53 share the bike profile alone.

42

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

37

races are held in Asia. 3 of them in the same month as this one.

Questions about this race

When is IRONMAN 70.3 Colombo 2027?
IRONMAN 70.3 Colombo is held on 22 August 2027 in Colombo, Sri Lanka. Registration is open on the official race page.
Is a wetsuit allowed at IRONMAN 70.3 Colombo?
Yes, but without awards. The average water temperature is 26 °C: between 24.6 °C and 28.8 °C a wetsuit may be worn, but without eligibility for age-group awards or slots. The official call is made on race morning.
What is the cut-off at IRONMAN 70.3 Colombo?
The course closes 8 h 30 min after the start. Intermediate cut-offs after the swim and the bike are in the athlete guide.
How much is the entry fee for IRONMAN 70.3 Colombo?
Entries start at US$350 for an individual age-group entry, before service fees. Prices rise by tier as the race fills.

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