IRONMAN 70.3 Switzerland · RapperswilVerified
IRONMAN 70.3 Switzerland · Rapperswil: 85 km bike leg, 947 m of climbing. Elevation profile, what the terrain asks of you, the weather this race day usually brings, and how to pace this course.
Course intel
Two laps on Lake Zurich: flat lakeshore alternating with hillside climbs, close to 1300 m of elevation gain. June in Switzerland is comfortable; hold back on the climbs and make it up on the flat.
Source: Compiled from the official route and public race information · every course rechecked before launch
The terrain on this course
- Flat (±1.2%) makes up 44%
- Main climb 14.8–19.4 km: 239 m of gain (avg 5.2%)
- Main climb 52.0–53.5 km: 97 m of gain (avg 6.5%)
- Main climb 56.6–61.1 km: 238 m of gain (avg 5.3%)
Speed score
There is a climb longer than 2 km out there: go in at an intensity you can hold to the top, and only add past halfway if you feel good. Riders who go hard from the bottom mostly bleed speed in the back half.
Historical race-day weather (around 06-08): 16.9°C · Wind 1.5 m/s
0 to 100, and the higher it is the easier it is to post a good time. Points come off for terrain, for corners, and for the heat and wind this race has actually had over the last five years at the same time of year. Full explanation in the article “How the course score works”.