Half distance · 11 April 2027
IRONMAN 70.3 San Juan
San Juan, Argentina
The race at a glance
- Circuit
- IRONMAN
- Distance
- Middle distance
- Terrain
- Road
- Swim
- 1.9 km
- Bike
- 90 km
- Run
- 21.1 km
- Date
- 11 Apr 2027
- Registration
- Open
- Swim venue
- Reservoir
- Average water temperature
- 20 °C
- Bike profile
- Rolling
- Bike elevation gain
- 562 m
- Run profile
- Flat
- Run elevation gain
- 157 m
- High air temperature
- 18 °C
- Low air temperature
- 11 °C
- Overall cut-off
- 8 h 30 min
- Altitude
- 937 m
- First edition
- 2022
- Swim start
- Rolling start
Edition history
| 2026 | 29 Mar 2026 | Held |
|---|---|---|
| 2025 | 6 Apr 2025 | Held |
| 2024 | 7 Apr 2024 | Held |
| 2023 | 26 Mar 2023 | Held |
| 2022 | 27 Mar 2022 | Held |
How the day is laid out
The swim is held in a reservoir. 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 562 m of climbing.
The run course is flat, with about 157 m of climbing.
Typical temperatures for the month run from 11 to 18 °C. The overall cut-off is 8 h 30 min.
The race was first held in 2022.
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
18 °C · median 25 °C
The 5th coolest of the 152 middle-distance races with a figure, across every circuit.
Bike elevation gain
562 m · median 569 m
The 50th flattest of the 105 middle-distance races with a figure, across every circuit.
33
races of this distance pair a rolling bike with a flat run, out of 159. 58 share the bike profile alone.
36
races across every distance fall in April, out of 354.
43
races are held in Latin America. 7 of them in the same month as this one.
Questions about this race
- When is IRONMAN 70.3 San Juan 2027?
- IRONMAN 70.3 San Juan is held on 11 April 2027 in San Juan, Argentina. Registration is open on the official race page.
- Is a wetsuit allowed at IRONMAN 70.3 San Juan?
- 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 San Juan?
- 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 San Juan?
- The bike course climbs about 562 m, the 50th flattest of 105 half-distance races with a figure. The bike is labelled rolling and the run flat. Expect highs of about 18 °C on race day.
Where to stay
Hotels and rentals around the race venue, for the nights around race day.
Suggested stay: 9 Apr 2027 to 12 Apr 2027
The map is provided by Stay22. Bookings are made with the provider.
Races of the same distance in the same region
- IRONMAN 70.3 Buenos Aires Palermo
Buenos Aires, Argentina
- Date
- 4 Oct 2026
- Distance
- Middle
- Country
- AR
- IRONMAN 70.3 Encarnacion
Encarnacion, Paraguay
- Date
- 11 Oct 2026
- Distance
- Middle
- Country
- PY
- IRONMAN 70.3 Campeche
Campeche, Mexico
- Date
- 8 Nov 2026
- Distance
- Middle
- Country
- MX
- Challenge Florianópolis
Florianópolis, Brazil
- Date
- 29 Nov 2026
- Distance
- Middle
- Country
- BR
- IRONMAN 70.3 Aracaju-Sergipe
Aracaju, Brazil
- Date
- 29 Nov 2026
- Distance
- Middle
- Country
- BR
- IRONMAN 70.3 Cartagena
Cartagena, Colombia
- Date
- 29 Nov 2026
- Distance
- Middle
- Country
- CO
- IRONMAN 70.3 Valdivia
Valdivia, Chile
- Date
- 29 Nov 2026
- Distance
- Middle
- Country
- CL
- IRONMAN 70.3 Veracruz
Veracruz, Mexico
- Date
- 6 Dec 2026
- Distance
- Middle
- Country
- MX
Entries are handled by the organiser
Registration and the athlete guide are on the official race page.