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San Miguel de Cozumel, Cozumel

IRONMAN Cozumel

Cozumel, MexicoFull distance22 November 2026

Photo: AMAPO, CC BY-SA 3.0 via Wikimedia Commons

40

days to race day

Checked against the organiser's own race page.

Cozumel race week and bags, in the app.

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IRONMAN Cozumel at a glance

Swim

3.8 km

Ocean

Bike

180 km

Flat, 3 laps

Run

42.2 km

Flat

Race week, the last three years

Sea

29°C

29°C to 29°C in race week

Air

28°C

24°C at night

Rain

24%

of race-week days

Wind

17

km/h gusts on a typical day

Date
22 November 2026
Distance
Full, 3.8 / 180 / 42.2 km

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 Cozumel race week guide

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

  1. 15 November 2026 to 20 November 2026

    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 21 November 2026

    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. 22 November 2026

    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.

Packing list for Cozumel

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

IRONMAN Cozumel: questions

When is IRONMAN Cozumel?

IRONMAN Cozumel is on 22 November 2026, in Cozumel, Mexico. The date is checked against the organiser's own race page.

What is the water temperature at IRONMAN Cozumel?

The sea off Cozumel has been around 29°C in race week (29°C to 29°C over 2023, 2024, 2025). Whether wetsuits are allowed is decided on race morning from the measured water temperature.

What is the IRONMAN Cozumel course like?

Swim 3.8 km, Ocean. Bike 180 km, Flat, 3 laps. Run 42.2 km, Flat. Read from the organiser's course page.

What is the weather like at IRONMAN Cozumel?

In race week it has been 24°C at night and 28°C in the day, with rain on 24% of days and gusts around 17 km/h (2023, 2024, 2025).

What should I pack for IRONMAN Cozumel?

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 Cozumel, is free in the Taperly app.

Racing something else?

Other races this season