IRONMAN 70.3 Poznań
Course breakdown, historical weather, field analysis, and pacing notes.
A fast, flat course in Poznań
Poznań, Poland · August 30, 2026
IRONMAN 70.3 Poznań takes place in Poznań, Poland on August 30, 2026. The half-distance course covers a 1.93 km swim, 90.2 km bike with 154m of climbing, and a 21.9 km run.
- Swim
- 1.9 km
- Lake
- Bike
- 90.2 km
- ↑153m · Flat
- Run
- 21.9 km
- ↑72m · Flat
- Air Temp
- 10–31°C
- Water Temp
- 19°C
- Wind
- 12 km/h
- S
Swim Course
Lake swim — 1.93 km
Athletes face a 1.93 km swim in lake conditions. Wetsuits are permitted and recommended at this water temperature.
- Lake swim
- 19°C average water temperature
- 4 sharp turns
Bike Course
A fast, flat 90.2 km ride
The bike course covers 90.2 km across flat terrain with 154m of total climbing.
- 154m total elevation gain
- 1.7 m/km average gradient
- 2 categorised climbs
- 1 U-turn
- 26 sharp turns
- Flat terrain profile
Run Course
Fast, flat 2-lap run course
The run covers 21.9 km with 72m of climbing. Athletes complete 2 laps, so crowd support and mental pacing strategies play a big role.
- 72m total elevation gain
- 3.3 m/km average gradient
- 2 categorised climbs
- 128 sharp turns
- 2 laps
- Flat terrain profile
Race Day Conditions
Warm conditions on race day
Based on historical averages, expect temperatures around 20°C on race day. Winds average 12 km/h.
Race Field Insights
How the Field Performs
Aggregated from 2,780 finishers (2022–2025)
- Total Starters
- 2,879
- Finishers
- 2,780
- DNF Rate
- 3.1%
- Years of Data
- 2022–2025
- Median Finish
- 5h 19m
Finish Time Distribution
How the Median Finisher Spends Race Day
What Each Pace Looks Like
Fast | Solid | Median | Back of Pack | Slow (P90) | |
|---|---|---|---|---|---|
| Swim | 30m 57s | 34m 38s | 38m 54s | 43m 34s | 48m 20s |
| Bike | 2h 16m | 2h 26m | 2h 39m | 2h 54m | 3h 11m |
| Run | 1h 27m | 1h 37m | 1h 50m | 2h 04m | 2h 21m |
| Finish | 4h 25m | 4h 49m | 5h 19m | 5h 53m | 6h 28m |
Plan IRONMAN 70.3 Poznań with Keiro
Get a complete pacing strategy for every discipline — built from this course, forecast weather, and your fitness.
Independent analysis. KeiroLabs is not the event organizer and is not affiliated with the race organizer.