IRONMAN 70.3 Poznan
Poznań, Poland · August · IRONMAN 70.3
Why people love it
- Flat course with 313 m (1,027 ft) of total climbing
- Run passes the Old Market and finishes on the ENEA Stadium pitch
- 2023 winners went 3:36:17 and 4:05:54
- Poznań-Ławica airport is about 7 km (4.3 mi) from the centre
Watch out for
- Sources disagree on the swim lake: Kierskie or Malta. Check before booking
- Lake Kierskie is about 7 km (4.3 mi) from the centre, so plan transfers
- Small field of about 575 means thin crowds on the bike
- No athlete reviews found, so most ratings are educated estimates
Race
How racers feel about it, how well it is run, and how it treats a first timer. Counts for 27% of the overall score.
- Racer satisfactionLoved3.5
No participant reports found. This is a young event with only organiser and listing material to go on. · Low confidence
- OrganizationWell run3.6
Road closures were published in advance and 481 of 575 starters finished in 2023. No complaints found, but no athlete feedback either. · Low confidence
- First timer friendlyFriendly3.9
The 90 km (56 mi) bike gains 200 m (656 ft) and the run is flat. Swim details are unknown and the venues are split. · Low confidence
Course traits, not part of the score
- PR potentialFast4.0
Winners went 3:36:17 and 4:05:54 in 2023 on a flat course with 313 m (1,027 ft) of total climbing. · Medium confidence
- Course easeModerate4.0
Only 313 m (1,027 ft) of total climbing. Wind and lake conditions are the unknowns. · Medium confidence
Swim
Wetsuit odds, water temperature, calm, and the experience of the start. Counts for 15% of the overall score.
- Wetsuit legalCoin flip3.3
No water readings found. Late-August lakes in Poland are often warm enough to be near the legal limit. · Low confidence
- Water temperatureComfortable3.5
No temperature data found. A late-summer lake is likely comfortable but could be warm. · Low confidence
- Calm waterMostly calm3.9
Inland lake, so chop should be limited. No race-day reports found. · Low confidence
- Swim easeEasy3.6
A lake swim, but the lap format and start format could not be found. · Low confidence
- Swim experienceFine3.4
Lake Kierskie is the site of Poland's first triathlon, but sources disagree on the venue and no swim reviews exist. · Low confidence
Bike
Road surface, closures, scenery and wind. Counts for 19% of the overall score.
- Road surfaceMixed3.4
Local and provincial roads. No surface reports found. · Low confidence
- Road closuresMostly closed3.7
Provincial roads 306 and 307 were closed roughly 09:00 to 14:30, and municipalities published restrictions. · Low confidence
- Bike sceneryPleasant3.0
Flat rural Greater Poland farmland. Pleasant at best. · Low confidence
- WindSome wind3.4
Open farmland with no wind data available. · Low confidence
Course traits, not part of the score
- Bike speedFast4.1
The organiser calls the 90 km (56 mi) bike flat and fast, with 200 m (656 ft) of climbing. · Medium confidence
- Bike flatnessPancake flat4.6
200 m (656 ft) of gain over 90 km (56 mi) is close to pancake flat. · Medium confidence
- Bike simplicityMostly simple3.9
A flat rural loop with no technical sections reported. · Low confidence
Run
Crowds, aid stations, conditions underfoot and scenery. Counts for 13% of the overall score.
- Crowd supportDecent3.3
City-centre run and stadium finish, but the field is only about 575. · Low confidence
- Aid stationsGood3.5
No reports found. Standard IRONMAN provision is the likely baseline. · Low confidence
- Run sceneryBeautiful3.8
The route passes the Old Market in central Poznań. · Low confidence
- Run conditionsEasy3.9
Flat city streets in moderate late-summer temperatures. · Low confidence
Course traits, not part of the score
- Run flatnessFlat4.5
113 m (371 ft) of gain over 21.1 km (13.1 mi). · Medium confidence
Conditions
Air temperature, how predictable the weather is, setting, and spectating. Counts for 15% of the overall score.
- Air temperaturePleasant4.2
Typical range is 15 to 25 °C (59 to 77 °F). This is climate data, not race-day reports. · Low confidence
- Weather reliabilityReliable3.5
Continental summer weather. No race-day reports found. · Low confidence
- Venue beautyLovely3.7
Historic city centre and a lake, though the swim venue is outside town. · Low confidence
- Spectator friendlyEasy3.5
Stadium finish with an all-day spectator zone, but the swim and bike are far from the centre. · Low confidence
Course traits, not part of the score
- Low altitudeSea level4.9
About 80 m (260 ft) above sea level. · High confidence
Stay and travel
Hotels, walkability, getting there, and the town around the race. Counts for 11% of the overall score.
- Hotel availabilityPlentiful4.5
Large city with plentiful hotels. · Low confidence
- Hotel valueGood4.0
Polish city prices are modest. No race-week price data found. · Low confidence
- WalkabilitySome driving3.2
The finish is in the city but the swim lake is about 7 km (4.3 mi) out. · Low confidence
- Travel easeEasy3.9
Poznań-Ławica airport is about 7 km (4.3 mi) from the centre. · Medium confidence
- LogisticsSome complexity2.9
A lake swim and a city finish imply split transitions and transfers. · Low confidence
- Town and foodGood4.2
A major city with a lively Old Market. · Low confidence
Key facts
- Location
- Poznań, Greater Poland, Poland
- Typical month
- August
- Latest or next date
- 30 August 2026
- Organiser
- IRONMAN 70.3
- Field size
- About 575 athletes
- First held
- 2022
- Distances
- 1.9 km (1.2 mi) swim, 90 km (56 mi) bike, 21.1 km (13.1 mi) run
- Swim venue
- Lake Kierskie (Kiekrz), site of Poland's first triathlon in 1984; one third-party page says Lake Malta (lake)
- Bike climbing
- 200 m (655 ft)
- Run climbing
- 113 m (370 ft)
- Run shade
- City streets
- Air temperature
- 15–25 °C (59–77 °F)
- Humidity
- moderate
- Altitude
- 80 m (260 ft)
- Nearest airport
- Poznań-Ławica (POZ), 7 km (4 mi) away
- Where to stay
- Old Town, near ENEA Stadium
- Booking
- Large city with plentiful hotels; guesthouse listings advertise 2.4 km (1.5 mi) from the finish.
What racers and reviewers say
- finishers.comRaced 2026 · aggregator · Positive
Event listing gives 1.9 km (1.2 mi) swim, 90 km (56 mi) bike with 200 m (656 ft) gain, 21.1 km (13.1 mi) run with 113 m (371 ft) gain, and 313 m (1,027 ft) total.
- endurance-data.comRaced 2023 · aggregator · Positive
2023 stats: 481 finishers of 575, winners Hirsch 3:36:17 and Konczalla 4:05:54, with median in the 5:00-5:29 bin.
- Poznań city events pageRaced 2026 · article · Mixed
Accommodation page for the 2027 edition: swim in Malta Lake, a road loop around Poznań, a street run finishing on the ENEA Stadium pitch, with city-centre closures. It is promotional and conflicts with the organiser on the swim lake.
- Duszniki municipality noticeRaced 2025 · article · Mixed
Municipal notice lists the bike passing through Tarnowo Podgórne, Dopiewo, Buk and Duszniki, with roads 306 and 307 closed in time windows.
- TriNation TriRaced 2022 · article · Positive
Launch announcement: swim in Lake Kierskie, birthplace of Polish triathlon in 1984, followed by a flat and fast bike before a city run.
Show 1 more
- SlotmarketRaced 2026 · aggregator · Mixed
Event listing for the 30 August 2026 edition confirming date and format; no athlete commentary.
Sources
Pages we used for facts and ratings. See how we rate.
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