IRONMAN 70.3 Duisburg 2027
A calm regatta course swim, flat fast closed roads through the Ruhr, and a flat run in the sportpark. A controlled, low-variable 70.3.
2027 edition completed
This record covers the 29 August 2027 edition of IRONMAN 70.3 Duisburg in Duisburg, Germany, with a 1.9 km swim, a 90 km bike and a 21.1 km run. This date belongs to a completed edition. The course record remains available. Course descriptions and coaching notes are archived context for this edition. Check the organiser for a future edition once its date and entry details are published.
45 weeks to race day: base season
Plenty of runway. This far out, the win is a boring, consistent base rhythm: aerobic volume, strength, technique. The structured block starts closer in; what you do now decides how high it can climb.
Building for this one? 70.3 training plan covers the sessions, the weekly shape and how the block is paced. The R.A.C.E. Framework explains why it is built that way.
Build my complete road.
Commit to the date and the work gets a shape: your countdown starts, the emails arrive in step with your build, and the app anchors a recovery-led block so the final week lands exactly on race day.
One confirmation email, then the road begins. Registering for the race itself stays with the organiser.
“A rowing course swim and flat closed roads. Almost no variables, which makes it a very good place to find out what your training is actually worth.”
The race
The course
Interactive swim route in the Course Lab above ↑ Drawn from the official GPX file, checked against this leg's distance.
The regatta course at Sportpark Duisburg, opened in 1935 and a venue for canoe and rowing world championships. Lane-straight, clean and easy to sight, which makes it one of the least stressful swims on the calendar.
Interactive bike route in the Course Lab above ↑ Drawn from the official GPX file, checked against this leg's distance.
Two loops over the historic Bridge of Solidarity and along the Rhine towards Moers. Flat and fast, so a realistic personal best course, and the bridge is the only thing resembling a climb.
Interactive run route in the Course Lab above ↑ Drawn from the official GPX file, checked against this leg's distance.
Three laps along the regatta course through the park. Voted third best 70.3 run in Europe by the athletes who did it, which usually means flat, shaded and well supported.
Not yet confirmed for this edition: bike elevation gain, cut-off times, aid station spacing, water temperature. We publish these only once they are on the official course page, so check there before you pace off anything here.
Course details verified against the official IRONMAN 70.3 Duisburg course page on 13 August 2026. Courses change; the official page is always the last word.
Questions, answered
When is IRONMAN 70.3 Duisburg 2027?
What distances can I race at IRONMAN 70.3 Duisburg?
How hard is the course?
What is the swim like?
How long do I need to train for it?
How do I enter?
Read before you race
Half Ironman Recovery Time: A Practical Return
How Much Harder Is a Full IRONMAN Than a 70.3?
IRONMAN 70.3 Tallinn Training Guide
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Photograph of Duisburg, Germany: Tuxyso, CC BY-SA 3.0, via Wikimedia Commons. Not official race photography.
This listing is for information only. Unbroken is not affiliated with, endorsed by, or sponsored by IRONMAN 70.3 Duisburg or its organiser. Details are based on publicly available information; names are used descriptively to identify the event. For accurate, up-to-date information and entry, always use the official event website.