Photo: Bernard Gagnon, CC BY-SA 4.0 via Wikimedia Commons
Cairns race week and bags, in the app.
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IRONMAN 70.3 Cairns
Cairns, AustraliaHalf distance13 June 2027
IRONMAN 70.3 Cairns at a glance
Swim
1.9 km
Ocean, Palm Cove, Ocean
Bike
90 km
Rolling
Run
21.1 km
Flat, 2 laps
Race week, the last three years
Sea
25°C
24°C to 25°C in race week
Air
25°C
19°C at night
Rain
29%
of race-week days
Wind
21
km/h gusts on a typical day
- Date
- 13 June 2027
- Where
- Cairns, Australia
- Distance
- Half, 1.9 / 90 / 21.1 km
- Official page
- ironman.com/im703-cairns
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 Cairns race week guide
Race week in three parts, the same three the Taperly app uses. Times and deadlines come from the athlete guide.
6 June 2027 to 11 June 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.
On site, by 12 June 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.
13 June 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 same race week, planned day by day in the app.
Packing list for Cairns
What goes in each bag. The full list, to tick off bag by bag, is in the app.
What you'll wear · 14
Trisuit, Timing chip, Goggles, Spare goggles
Morning clothes bag · 22
Race documents and photo ID
Bike gear bag (T1) · 24
Helmet, Race number belt, Race number, Number stickers on bike and helmet
Run gear bag (T2) · 7
Running shoes
Not in a bag · 20
Bike box, bike bag or a booked rack, The tools that take the bike apart, Phone charger, Race kit in the cabin, never the hold
IRONMAN 70.3 Cairns: questions
When is IRONMAN 70.3 Cairns?
IRONMAN 70.3 Cairns is on 13 June 2027, in Cairns, Australia. The date is checked against the organiser's own race page.
What is the water temperature at IRONMAN 70.3 Cairns?
The sea off Cairns has been around 25°C in race week (24°C to 25°C over 2023, 2024, 2025). Whether wetsuits are allowed is decided on race morning from the measured water temperature.
What is the IRONMAN 70.3 Cairns course like?
Swim 1.9 km, Ocean, Palm Cove, Ocean. Bike 90 km, Rolling. Run 21.1 km, Flat, 2 laps. Read from the organiser's course page.
What is the weather like at IRONMAN 70.3 Cairns?
In race week it has been 19°C at night and 25°C in the day, with rain on 29% of days and gusts around 21 km/h (2023, 2024, 2025).
What should I pack for IRONMAN 70.3 Cairns?
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 Cairns, is free in the Taperly app.
Racing something else?
Other races this season
- IRONMAN 70.3 EaglemanCambridge, USA · 13 June 2027Half
- IRONMAN 70.3 BoulderBoulder, USA · 12 June 2027Half
- IRONMAN 70.3 KoreaGoseong, South Korea · June 2027Half
- IRONMAN 70.3 LahtiLahti, Finland · June 2027Half
- IRONMAN 70.3 PhilippinesSubic Bay, Philippines · June 2027Half
- Challenge GdańskGdańsk, Poland · 20 June 2027Half
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