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Triathlon Atlas

Half distance · 11 July 2027

IRONMAN 70.3 Swansea

Swansea Bay, United Kingdom

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
11 Jul 2027
Registration
Sold out
Swim venue
Harbour
Average water temperature
16 °C
Bike profile
Hilly
Bike elevation gain
1,062 m
Run profile
Flat
Run elevation gain
13 m
High air temperature
24 °C
Low air temperature
12 °C
Overall cut-off
8 h 30 min
Entry fee, from
£360
Altitude
18 m
First edition
2022
Swim start
Rolling start

Edition history

202612 Jul 2026Held
202513 Jul 2025Held
202414 Jul 2024Held
202316 Jul 2023Held
20227 Aug 2022Held

How the day is laid out

The swim is held in a harbour. 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 16 °C at this time of year.

The bike course is hilly, with about 1,062 m of climbing.

The run course is flat, with about 13 m of climbing.

Typical temperatures for the month run from 12 to 24 °C. The overall cut-off is 8 h 30 min.

The race was first held in 2022.

Against the calendar

Where this race sits among the others

Ranks are computed across every race of the same distance.

  • Average water temperature

    16 °C · median 21 °C

    The 2nd coldest of the 128 middle-distance races with a figure, across every circuit.

  • High air temperature

    24 °C · median 25 °C

    The 58th coolest of the 152 middle-distance races with a figure, across every circuit.

  • Bike elevation gain

    1062 m · median 569 m

    The 12th hilliest of the 105 middle-distance races with a figure, across every circuit.

11

races of this distance pair a hilly bike with a flat run, out of 159. 29 share the bike profile alone.

37

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

160

races are held in Europe. 22 of them in the same month as this one.

Questions about this race

When is IRONMAN 70.3 Swansea 2027?
IRONMAN 70.3 Swansea is held on 11 July 2027 in Swansea Bay, United Kingdom. The race is sold out.
Is a wetsuit allowed at IRONMAN 70.3 Swansea?
Most likely. The average water temperature is 16 °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 70.3 Swansea?
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 hard is IRONMAN 70.3 Swansea?
The bike course climbs about 1062 m, the 12th hilliest of 105 half-distance races with a figure. The bike is labelled hilly and the run flat. Expect highs of about 24 °C on race day.
How much is the entry fee for IRONMAN 70.3 Swansea?
Entries start at £360 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: 9 Jul 2027 to 12 Jul 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