IRONMAN 70.3 Tours・Loire ValleyVerified
IRONMAN 70.3 Tours・Loire Valley: 87 km bike leg, 209 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
A flat 90 km loop along the Cher river, passing châteaux including Château d'Ussé (the model for Sleeping Beauty's castle). About 209 m of elevation gain, mild in early June, aid stations at 18, 47 and 72 km: a course to ride at a fixed power to the finish.
Source: Adapted from the official course description (the course page on ironman.com)
The terrain on this course
- Flat (±1.2%) makes up 88%
- Main climb 66.4–67.6 km: 35 m of gain (avg 2.9%)
Speed score
The wind here is part of the terrain: ride the headwind sections to your range, not to the speedometer, and in crosswinds relax your upper body and stay low. The plan already has wind in every segment, so just ride the numbers.
Historical race-day weather (around 06-06): 15.7°C · Wind 3.1 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”.