5 km
The starter distance for runners.
Go and do
The 42 MONS endurance challenges
Training builds the body. A challenge gives it somewhere to go.
Run. Swim. Ride. Combine them. Each one is a distance the world already knows and a day you decide to go and do.
11 challenges
Running
From the first 5 km to the hundred miles. Road distances and ultras people have chosen for generations.
10 km
One of the most common road races.
10 mile
A traditional 10 mile road race.
Half Marathon
The first step into the marathon distances.
25 km
A 25 kilometre road race. Once a championship distance.
20 mile
The common peak training run before the marathon.
Marathon
The legendary running distance, inspired by a Greek legend.
50 km
Just beyond the marathon.
50 mile
The first real ultramarathon.
100 km
A 100 kilometre ultramarathon.
100 mile
The longest one-day race.
7 challenges
Swimming
Named by the pool, triathlon, and open water. The 10 km marathon swim is the far shore.
1000 m
The first open water kilometre.
1500 m
The Olympic triathlon swim.
1900 m
The Ironman 70.3 swim.
3800 m
The Ironman swim.
5000 m
A World Aquatics open water distance.
7500 m
The uncommon step between 5000 m and 10 km.
10 km
The Olympic marathon swim.
9 challenges
Cycling
Time trials, metric centuries, and the full hundred miles. Distance makes the day.
10 mile
A solo race against the clock.
20 km
The sprint triathlon bike.
30 km
A common short gravel and MTB distance.
40 km
The Olympic triathlon bike.
50 km
A standard first gravel or MTB race.
80 km
Fifty miles on the bike.
100 km
100 kilometres. A metric century.
Century
100 miles in one ride.
200 km
The first official brevet.
15 challenges
Combined
Swimrun, brick, triathlon, and duathlon. More than one way of moving, held in one day.
1000 m swim / 5 km run
A short swimrun. 1000 m swim, 5 km run.
3000 m swim / 10 km run
A swimrun. 3000 m swim, 10 km run.
5000 m swim / half marathon run
A long swimrun. 5000 m swim, half marathon run.
10 km swim / marathon run
A marathon swim, then a marathon run.
20 km ride / 5 km run
A sprint brick. 20 km ride, 5 km run.
40 km ride / 5 km run
An Olympic brick. 40 km ride, 5 km run.
90 km ride / half marathon run
A 70.3 brick. 90 km ride, half marathon run.
180 km ride / marathon run
An Ironman brick. 180 km ride, marathon run.
750 m swim / 20 km ride / 5 km run
The sprint triathlon distance.
1500 m swim / 40 km ride / 10 km run
The Olympic triathlon distance.
1900 m swim / 90 km ride / half marathon run
The Ironman 70.3 distance.
3800 m swim / 180 km ride / marathon run
The Ironman distance.
5 km run / 20 km ride / 5 km run
The sprint duathlon distance.
10 km run / 40 km ride / 5 km run
The standard duathlon distance.
10 km run / 60 km ride / 10 km run
A long duathlon. 10 km, 60 km, 10 km.
The distance is the occasion. The body is the point.
MONS builds endurance, strength, and movement quality together, so the next challenge is something your body can absorb, not just finish.
See the MONS Method→