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Triathlon Atlas

Half distance · 4 April 2027

IRONMAN 70.3 Texas

Galveston Island, United States

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
4 Apr 2027
Registration
Open
Swim venue
Bay
Average water temperature
22 °C
Bike profile
Flat
Bike elevation gain
22 m
Run profile
Flat
Run elevation gain
17 m
High air temperature
26 °C
Low air temperature
19 °C
Overall cut-off
8 h 30 min
Entry fee, from
$460
Altitude
2 m
First edition
2010
Swim start
Rolling start

Edition history

202629 Mar 2026Held
20256 Apr 2025Held
20247 Apr 2024Held
20232 Apr 2023Held
20223 Apr 2022Held
202111 Apr 2021Held
20197 Apr 2019Held
20188 Apr 2018Held
20172 Apr 2017Held

How the day is laid out

The swim is held in a bay. An average of 22 °C is close to the threshold where wetsuit rules start to tighten. Plan for both answers and check the call on race morning.

The bike leg is labelled flat.

The run is labelled flat, over 3 laps.

A flat bike followed by a flat run is the most predictable combination on the calendar. It removes climbing and the descents that come with it, so power output stays constant for the whole bike leg and wind becomes the main variable.

Expect air between 19 °C and 26 °C on race day. A spread of 7 degrees across the day matters as much as the peak, because what you wear at the swim exit is rarely what you want at the far end of the bike.

Against the calendar

Where this race sits among the others

Ranks are computed across every race of the same distance.

  • Average water temperature

    22 °C · median 21 °C

    The 62nd warmest of the 128 middle-distance races with a figure, across every circuit.

  • High air temperature

    26 °C · median 25 °C

    The 71st hottest of the 152 middle-distance races with a figure, across every circuit.

  • Bike elevation gain

    22 m · median 569 m

    The flattest of the 105 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.

36

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

68

races are held in North America. 8 of them in the same month as this one.

Questions about this race

When is IRONMAN 70.3 Texas 2027?
IRONMAN 70.3 Texas is held on 4 April 2027 in Galveston Island, United States. Registration is open on the official race page.
Is a wetsuit allowed at IRONMAN 70.3 Texas?
Most likely. The average water temperature is 22 °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 Texas?
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 Texas?
The bike course climbs about 22 m, the 1st flattest of 105 half-distance races with a figure. The bike is labelled flat and the run flat. Expect highs of about 26 °C on race day.
How much is the entry fee for IRONMAN 70.3 Texas?
Entries start at US$460 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: 2 Apr 2027 to 5 Apr 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