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Tennessee River, Chattanooga

IRONMAN 70.3 Chattanooga

Chattanooga, USAHalf distance16 May 2027

Photo: Ɱ, CC BY-SA 4.0 via Wikimedia Commons

215

days to race day

Checked against the organiser's own race page.

Chattanooga race week and bags, in the app.

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IRONMAN 70.3 Chattanooga at a glance

Swim

1.9 km

Bike

90 km

Run

21.1 km

Race week, the last three years

Air

26°C

17°C at night

Rain

76%

of race-week days

Wind

14

km/h gusts on a typical day

Date
16 May 2027
Where
Chattanooga, USA
Distance
Half, 1.9 / 90 / 21.1 km
Official page
ironman.com/im703-chattanooga

Course from the organiser's course page. Weather: the seven days around the race date in 2023, 2024, 2025, averaged (Open-Meteo, ERA5). Sea is the sea off the town, not a reading of the swim. The water temperature that counts is the one officials measure on race morning.

IRONMAN 70.3 Chattanooga race week guide

Race week in three parts, the same three the Taperly app uses. Times and deadlines come from the athlete guide.

  1. 9 May 2027 to 14 May 2027

    Race week

    Everything that still has time to go wrong, while there is still time to fix it. Nothing you train this week makes you faster on the day, but plenty of it can make you slower.

    Must do: Read the athlete guide properly, Check your race entry and category are right, Final equipment check: tyres, brakes, gears, cleats, Arrange care for kids or pets.

  2. On site, by 15 May 2027

    At the race

    A long day of small errands in a town you do not know, and then an early night. Do them in an order you decided in advance.

    Must do: Athlete check-in, Timing chip somewhere you cannot leave without it.

  3. 16 May 2027

    Race day

    If the week went well, this is only a list of things to pick up and put down. It ends when the horn goes, because from there nobody is holding a phone.

    Must do: Timing chip on, Race number, Bike on your own rack number.

The full race week checklist

Taperly plan with the prep phases and what is left

The same race week, planned day by day in the app.

Download on theApp Store

Packing list for Chattanooga

What goes in each bag. The full list, to tick off bag by bag, is in the app.

IRONMAN 70.3 Chattanooga: questions

When is IRONMAN 70.3 Chattanooga?

IRONMAN 70.3 Chattanooga is on 16 May 2027, in Chattanooga, USA. The date is checked against the organiser's own race page.

What is the IRONMAN 70.3 Chattanooga course like?

Swim 1.9 km. Bike 90 km. Run 21.1 km. Read from the organiser's course page.

What is the weather like at IRONMAN 70.3 Chattanooga?

In race week it has been 17°C at night and 26°C in the day, with rain on 76% of days and gusts around 14 km/h (2023, 2024, 2025).

What should I pack for IRONMAN 70.3 Chattanooga?

Everything sorted by the bag it goes in: what you wear, the morning bag, the bike bag and the run bag. The full list, with what changes for Chattanooga, is free in the Taperly app.

Racing something else?

Other races this season