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IRONMAN 70.3 Shanghai Chongming
IRONMAN 70.3 Shanghai Chongming is raced in Shanghai, China (Swim 1.9 km · Bike 90 km · Run 21.1 km). Results from 3 editions (2019–2026), the course, race-day weather and water temperature.
- SwimLake
- BikeFlat
- RunFlat
- High air temp25°C78°F
- Low air temp20°C68°F
- Avg. water temp24°C74°F
Temperatures: race-hours average over 3 editions
IRONMAN 70.3 Shanghai Chongming results
Fastest men
3:38:03
Max Studer · 2025
Fastest women
4:05:30
Alanis Siffert · 2026
Fastest edition
2025
median 5:50:22
Avg. age group · 2026
6:00:54
swim 46:46 · bike 2:50:33 · run 2:13:13
| Edition | Date | Finishers | Men | Women | Median | |
|---|---|---|---|---|---|---|
| 2026 | May 17, 2026 | 780 | Chen Rongheng 3:47:22 | Alanis Siffert 4:05:30 | 5:57:40 | Pacing |
| 2025 | May 25, 2025 | 1058 | Max Studer 3:38:03 | Nicole Van Der Kaay 4:06:10 | 5:50:22 | Pacing |
| 2019 | Oct 20, 2019 | 901 | Filipe Azevedo 3:47:03 | Kelsey Withrow 4:16:52 | 5:51:34 | Pacing |
IRONMAN 70.3 Shanghai Chongming course
The bike is flat, with ≈20 m (66 ft) of climbing on the bike and ≈30 m (98 ft) of climbing on the run.
Swim Bike Run · Watch the replay on the map →
Bike · 90.1 km56 mi · ≈ +20 m66 ft · from 3 to 7 m10 to 23 ft
Run · 21.7 km13.5 mi · ≈ +30 m98 ft · from -1 to 6 m-3 to 20 ft
Difficulty
#112 hardest of 125
vs. the average IRONMAN 70.3: −4.4% · swim +3.1% · bike −7.4% · run −1.6%
Elevation filtered for terrain-model noise; a bike computer may read differently.
IRONMAN 70.3 Shanghai Chongming weather & water temperature
| Edition | Air swim / bike / run | Wind | Rain | Water | AG wetsuit |
|---|---|---|---|---|---|
| 2026 | 24°C76°F / 27°C81°F / 29°C85°F | 21 km/h13 mph | 0.0 mm0.00 in | 23°C73°F * | Legal |
| 2025 | 21°C69°F / 23°C74°F / 25°C77°F | 11 km/h7 mph | 0.0 mm0.00 in | 24°C76°F * | Legal |
| 2019 | 16°C60°F / 20°C68°F / 22°C72°F | 4 km/h2 mph | 0.0 mm0.00 in | — | — |
* Satellite estimate (sea surface at start time). Wetsuit rules →
IRONMAN 70.3 Shanghai Chongming reviews
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