Skip to content

Half distance · 24 October 2027

IRONMAN 70.3 Florianopolis

Florianopolis, Brazil

The race at a glance

Circuit
IRONMAN
Distance
Middle distance
Terrain
Road
Swim
1.9 km
Bike
90 km
Run
21.1 km
Date
24 Oct 2027
Registration
Sold out
Swim venue
Ocean
Average water temperature
20 °C
Bike profile
Rolling
Bike elevation gain
494 m
Run profile
Rolling
Run elevation gain
14 m
High air temperature
26 °C
Low air temperature
21 °C
Overall cut-off
8 h 30 min
Altitude
3 m
First edition
2018
Swim start
Rolling start

Edition history

202618 Oct 2026Held
202526 Oct 2025Held
202414 Apr 2024Held
202316 Apr 2023Held
202224 Apr 2022Held
201928 Apr 2019Held
201822 Apr 2018Held

How the day is laid out

The swim is held in the ocean. 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 rolling, with about 494 m of climbing.

The run course is rolling, with about 14 m of climbing.

Typical temperatures for the month run from 21 to 26 °C. The overall cut-off is 8 h 30 min.

The race was first held in 2018.

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

    26 °C · median 25 °C

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

  • Bike elevation gain

    494 m · median 569 m

    The 41st flattest of the 105 middle-distance races with a figure, across every circuit.

19

races of this distance pair a rolling bike with a rolling run, out of 159. 58 share the bike profile alone.

32

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

43

races are held in Latin America. 5 of them in the same month as this one.

Questions about this race

When is IRONMAN 70.3 Florianopolis 2027?
IRONMAN 70.3 Florianopolis is held on 24 October 2027 in Florianopolis, Brazil. The race is sold out.
Is a wetsuit allowed at IRONMAN 70.3 Florianopolis?
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 Florianopolis?
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 Florianopolis?
The bike course climbs about 494 m, the 41st flattest of 105 half-distance races with a figure. The bike is labelled rolling and the run rolling. Expect highs of about 26 °C on race day.

Where to stay

Hotels and rentals around the race venue, for the nights around race day.

Suggested stay: 22 Oct 2027 to 25 Oct 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.