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Triathlon Atlas

Full distance · 19 September 2027

IRONMAN Wales

Pembrokeshire, United Kingdom

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
19 Sept 2027
Registration
Sold out
Swim venue
Bay
Average water temperature
17 °C
Bike profile
Hilly
Run profile
Hilly
High air temperature
20 °C
Low air temperature
15 °C
Overall cut-off
17 h
Altitude
21 m
First edition
2011
Swim start
Rolling start

Edition history

202613 Sept 2026Held
202521 Sept 2025Held
202422 Sept 2024Held
20233 Sept 2023Held
202211 Sept 2022Held
201915 Sept 2019Held
20189 Sept 2018Held
201710 Sept 2017Held

How the day is laid out

The swim is held in a bay. 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 17 °C at this time of year.

The bike course is hilly.

The run course is hilly.

Typical temperatures for the month run from 15 to 20 °C. The overall cut-off is 17 hours.

The race was first held in 2011.

Against the calendar

Where this race sits among the others

Ranks are computed across every race of the same distance.

  • Average water temperature

    17 °C · median 22 °C

    The 2nd coldest of the 48 full-distance races with a figure, across every circuit.

  • High air temperature

    20 °C · median 25 °C

    The 4th coolest of the 52 full-distance races with a figure, across every circuit.

2

races of this distance pair a hilly bike with a hilly run, out of 55. 14 share the bike profile alone.

45

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

160

races are held in Europe. 28 of them in the same month as this one.

Questions about this race

When is IRONMAN Wales Tenby 2027?
IRONMAN Wales Tenby is held on 19 September 2027 in Pembrokeshire, United Kingdom. The race is sold out.
Is a wetsuit allowed at IRONMAN Wales Tenby?
Most likely. The average water temperature is 17 °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 Wales Tenby?
The course closes 17 h after the start. Intermediate cut-offs after the swim and the bike are in the athlete guide.

Where to stay

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

Suggested stay: 17 Sept 2027 to 20 Sept 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