# September IRONMAN races

Canonical: https://findmytris.com/races/month/september

24 upcoming races with a start date in September (any year). Races with an unannounced (TBD) date are omitted from this month list.

The 24 races on this page are 8 full IRONMAN, 13 IRONMAN 70.3 and 3 5150 (Olympic-distance), in 14 countries on 5 continents; Europe has the most (11). All of them are in September 2027.

Listed average water temperatures range from 63°F (17°C) to 84°F (29°C). 20 of the 24 races with a listed water temperature are at or below 76°F (24°C), where wetsuits are usually allowed. The most common swim is ocean (8), followed by lake (5) and river (5).

- [IRONMAN Belgium Knokke-Heist](https://findmytris.com/events/im-knokke-heist) — September 5, 2027, Knokke-Heist, Belgium · IRONMAN
- [5150 Cartagena](https://findmytris.com/events/5150-cartagena) — September 5, 2027, Cartagena, Colombia · 5150
- [IRONMAN 70.3 Wisconsin](https://findmytris.com/events/im703-wisconsin) — September 11, 2027, Madison, United States · IRONMAN 70.3
- [5150 Erkner](https://findmytris.com/events/5150-erkner) — September 11, 2027, Erkner, Germany · 5150
- [IRONMAN Japan South Hokkaido](https://findmytris.com/events/im-south-hokkaido) — September 12, 2027, Hokkaido, Japan · IRONMAN
- [IRONMAN Wisconsin](https://findmytris.com/events/im-wisconsin) — September 12, 2027, Madison, United States · IRONMAN
- [IRONMAN France](https://findmytris.com/events/im-france) — September 12, 2027, Nice, France · IRONMAN
- [IRONMAN 70.3 Belgrade](https://findmytris.com/events/im703-belgrade) — September 12, 2027, Belgrade, Serbia · IRONMAN 70.3
- [IRONMAN 70.3 Erkner](https://findmytris.com/events/im703-erkner) — September 12, 2027, Erkner, Germany · IRONMAN 70.3
- [IRONMAN 70.3 Sunshine Coast](https://findmytris.com/events/im703-sunshine-coast) — September 12, 2027, Mooloolaba, Australia · IRONMAN 70.3
- [IRONMAN 70.3 Nice](https://findmytris.com/events/im703-nice) — September 12, 2027, Nice, France · IRONMAN 70.3
- [IRONMAN 70.3 Santa Cruz](https://findmytris.com/events/im703-santa-cruz) — September 12, 2027, Santa Cruz, United States · IRONMAN 70.3
- [IRONMAN 70.3 Weymouth](https://findmytris.com/events/im703-weymouth) — September 12, 2027, Weymouth, United Kingdom · IRONMAN 70.3
- [IRONMAN Maryland](https://findmytris.com/events/im-maryland) — September 18, 2027, Cambridge, United States · IRONMAN
- [IRONMAN Italy Emilia Romagna](https://findmytris.com/events/im-emilia-romagna) — September 18, 2027, Cervia, Italy · IRONMAN
- [IRONMAN Wales](https://findmytris.com/events/im-wales) — September 19, 2027, Tenby, United Kingdom · IRONMAN
- [IRONMAN 70.3 Emilia Romagna](https://findmytris.com/events/im703-emilia-romagna) — September 19, 2027, Cervia, Italy · IRONMAN 70.3
- [IRONMAN 70.3 Washington Tri-Cities](https://findmytris.com/events/im703-washington-tri-cities) — September 19, 2027, Richland, United States · IRONMAN 70.3
- [IRONMAN 70.3 São Paulo](https://findmytris.com/events/im703-sao-paulo) — September 19, 2027, São Paulo, Brazil · IRONMAN 70.3
- [5150 Samal](https://findmytris.com/events/5150-samal) — September 19, 2027, Samal, Philippines · 5150
- [IRONMAN Chattanooga](https://findmytris.com/events/im-chattanooga) — September 26, 2027, Chattanooga, United States · IRONMAN
- [IRONMAN 70.3 Augusta](https://findmytris.com/events/im703-augusta) — September 26, 2027, Augusta, United States · IRONMAN 70.3
- [IRONMAN 70.3 Cozumel](https://findmytris.com/events/im703-cozumel) — September 26, 2027, Cozumel, Mexico · IRONMAN 70.3
- [IRONMAN 70.3 Mamaia Constanta, Romania](https://findmytris.com/events/im703-mamaia) — September 26, 2027, Mamaia, Romania · IRONMAN 70.3

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Data compiled by Find My Tris from official IRONMAN pages; please cite findmytris.com.