← All racesSun 4 July 2027 · Thun, Switzerland · 3.8 km · 180 km · 42.2 km

IRONMAN Switzerland Thun

34weeks
from today

Good amount of time

34 weeks to go

A good amount of time for a full distance if you already exercise regularly.

Base 12 wkBuild 12 wkPeak 8 wkTaper 2 wkRace 1 wkA 35-week season starting this week

The course

Swim · 3.8 km

A lake swim. Wetsuit likely.

Your plan adds open-water and sighting practice.
Bike · 180 km

About 1,800 m of climbing: a hilly course.

Don't push too hard on the climbs. It costs you on the run.
Run · 42.2 km

Not usually hot.

Long runs get your legs ready for the second half of the marathon.
Wetsuit
Likely
Bike climbing
1,800 m

Cut-offs

Swim
2:20
Bike
10:30
Finish
17:00

From the race's published rules. Times count from your start. Your plan shows how far inside each cut-off you are. Race date checked Sat 19 Sep. Always confirm in the official athlete guide.