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Triathlon Atlas

Half distance · 19 September 2027

IRONMAN 70.3 Washington Tri-Cities

Richland, United States

The race at a glance

Official race website Registration page
Circuit
IRONMAN
Distance
Middle distance
Terrain
Road
Swim
1.9 km
Bike
90 km
Run
21.1 km
Date
19 Sept 2027
Registration
Open
Swim venue
River
Average water temperature
20 °C
Bike profile
Flat
Bike elevation gain
569 m
Run profile
Hilly
Run elevation gain
109 m
High air temperature
30 °C
Low air temperature
9 °C
Overall cut-off
8 h 30 min
Altitude
112 m
Swim start
Rolling start

Edition history

202620 Sept 2026Held
202521 Sept 2025Held
202422 Sept 2024Held

How the day is laid out

The swim is held in a river. 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 20 °C at this time of year.

The bike course is flat, with about 569 m of climbing.

The run course is hilly, with about 109 m of climbing.

Typical temperatures for the month run from 9 to 30 °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

    20 °C · median 21 °C

    The 43rd coldest of the 128 middle-distance races with a figure, across every circuit.

  • High air temperature

    30 °C · median 25 °C

    The 31st hottest of the 152 middle-distance races with a figure, across every circuit.

  • Bike elevation gain

    569 m · median 569 m

    The 52nd flattest of the 105 middle-distance races with a figure, across every circuit.

2

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

45

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

68

races are held in North America. 11 of them in the same month as this one.

Questions about this race

When is IRONMAN 70.3 Washington Tri-Cities 2027?
IRONMAN 70.3 Washington Tri-Cities is held on 19 September 2027 in Richland, United States. Registration is open on the official race page.
Is a wetsuit allowed at IRONMAN 70.3 Washington Tri-Cities?
Most likely. The average water temperature is 20 °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 Washington Tri-Cities?
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 Washington Tri-Cities?
The bike course climbs about 569 m, the 52nd flattest of 105 half-distance races with a figure. The bike is labelled flat and the run hilly. Expect highs of about 30 °C on race day.

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 pageRegister