IRONMAN 70.3 Muskoka
IRONMAN 70.3 Muskoka: 90 km bike leg, 792 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
Ontario lake-country hills, continuous rolling terrain (792 m of elevation gain) with almost no flat road. July is comfortable; a course that rewards strength.
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 45%
- Main climb 5.6–6.5 km: 40 m of gain (avg 4.2%)
- Main climb 7.5–8.3 km: 41 m of gain (avg 4.8%)
- Main climb 11.1–11.9 km: 43 m of gain (avg 5.4%)
Speed score
On a climb-heavy course, few people lose to the hills; most lose to attacking them. Hold your range going up, relax and recover going down, and save your legs for the run.
Historical race-day weather (around 07-05): 19.3°C · Wind 2.5 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”.