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IRONMAN 70.3 Bolton
IRONMAN 70.3 Bolton is raced in Bolton, United Kingdom (Swim 1.9 km · Bike 90 km · Run 21.1 km). Results from 3 editions (2024–2026), the course, race-day weather and water temperature.
- SwimLake
- BikeRolling
- RunRolling
- High air temp15°C59°F
- Low air temp13°C55°F
- Avg. water temp17°C62°F
Temperatures: race-hours average over 1 editions
IRONMAN 70.3 Bolton results
Fastest men
3:59:22
Levin Veale · 2026
Fastest women
4:31:39
Katie Langham · 2026
Fastest edition
2025
median 5:57:02
Avg. age group · 2026
6:10:37
swim 42:02 · bike 3:14:24 · run 2:01:00
| Edition | Date | Finishers | Men | Women | Median | |
|---|---|---|---|---|---|---|
| 2026 | Jun 7, 2026 | 1597 | Levin Veale 3:59:22 | Katie Langham 4:31:39 | 6:08:31 | Pacing |
| 2025 | Jun 8, 2025 | 1094 | Lewis Eccleston 4:02:50 | Katie Langham 4:40:48 | 5:57:02 | Pacing |
| 2024 | Jun 30, 2024 | 1405 | Will Grace 4:02:54 | Mimi Carlton 4:42:03 | 6:00:47 | Pacing |
IRONMAN 70.3 Bolton course
The bike is rolling, with ≈680 m (2,231 ft) of climbing on the bike and ≈160 m (525 ft) of climbing on the run.
Swim Bike Run · Watch the replay on the map →
Bike · 89.3 km55 mi · ≈ +680 m2,231 ft · from 19 to 206 m62 to 676 ft
Run · 22 km13.7 mi · ≈ +160 m525 ft · from 89 to 142 m292 to 466 ft
Difficulty
#50 hardest of 125
vs. the average IRONMAN 70.3: +0.9% · swim −0.7% · bike +5.5% · run −6.1%
Elevation filtered for terrain-model noise; a bike computer may read differently.
IRONMAN 70.3 Bolton weather & water temperature
| Edition | Air swim / bike / run | Wind | Rain | Water | AG wetsuit |
|---|---|---|---|---|---|
| 2026 | 13°C55°F / 14°C57°F / 15°C59°F | 17 km/h11 mph | 1.9 mm0.07 in | 17°C62°F * | Legal |
| 2025 | — | — | — | 16°C60°F * | Mandatory |
| 2024 | — | — | — | 18°C64°F * | Legal |
* Satellite estimate (sea surface at start time). Wetsuit rules →
IRONMAN 70.3 Bolton reviews
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