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IRONMAN 70.3 Des Moines
IRONMAN 70.3 Des Moines is raced in Des Moines, Iowa, United States (Swim 1.9 km · Bike 90 km · Run 21.1 km). Results from 3 editions (2023–2025), the course, race-day weather and water temperature.
- SwimLake / river
- BikeRolling
- RunFlat
- High air temp22°C71°F
- Low air temp16°C61°F
- Avg. water temp22°C72°F
Temperatures: race-hours average over 3 editions
IRONMAN 70.3 Des Moines results
Fastest men
4:00:16
Max Mahoney · 2024
Fastest women
4:32:39
Nicole Heininger · 2024
Fastest edition
2025
median 6:00:10
Avg. age group · 2025
6:04:53
swim 41:59 · bike 3:05:50 · run 2:07:50
| Edition | Date | Finishers | Men | Women | Median | |
|---|---|---|---|---|---|---|
| 2025 | Jun 8, 2025 | 1000 | Tyler Tanko 4:03:16 | Carly Schrom 4:36:14 | 6:00:10 | Pacing |
| 2024 | Jun 9, 2024 | 1269 | Max Mahoney 4:00:16 | Nicole Heininger 4:32:39 | 6:01:11 | Pacing |
| 2023 | Jun 11, 2023 | 1204 | Evan Culbert 4:08:53 | Dani Fischer 4:42:43 | 6:11:22 | Pacing |
IRONMAN 70.3 Des Moines course
The bike is rolling, with ≈580 m (1,903 ft) of climbing on the bike and ≈70 m (230 ft) of climbing on the run.
Swim Bike Run · Watch the replay on the map →
Bike · 89.8 km56 mi · ≈ +580 m1,903 ft · from 236 to 304 m774 to 997 ft
Run · 20.9 km13.0 mi · ≈ +70 m230 ft · from 234 to 252 m768 to 827 ft
Difficulty
#93 hardest of 125
vs. the average IRONMAN 70.3: −2.9% · swim +1.3% · bike −1.3% · run −4.6%
Elevation filtered for terrain-model noise; a bike computer may read differently.
IRONMAN 70.3 Des Moines weather & water temperature
| Edition | Air swim / bike / run | Wind | Rain | Water | AG wetsuit |
|---|---|---|---|---|---|
| 2025 | 17°C63°F / 20°C67°F / 21°C71°F | 17 km/h11 mph | 0.6 mm0.02 in | — | — |
| 2024 | 15°C58°F / 19°C65°F / 24°C76°F | 10 km/h6 mph | 0.0 mm0.00 in | — | — |
| 2023 | 16°C61°F / 18°C64°F / 20°C68°F | 18 km/h11 mph | 1.9 mm0.07 in | — | — |
Typical water per the organizers: 72.0 °F (22.0 °C) (source). Wetsuit rules →
IRONMAN 70.3 Des Moines reviews
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