Compare two races
Pick two races from the directory and see them side by side, from the same real results the race pages use.
Or start with one of these
Western States 100 and Hardrock 100
Two American hundreds, one fast and hot, one high and steep
Lavaredo Ultra Trail 120K and EcoTrail Paris 120K
The same distance with very different climbing
SaintéLyon and Endurance Trail des Templiers
Two French classics, one at night and one in the causses
Łemkowyna Ultra-Trail 150 and Super Trail 130 km
Two long Polish mountain races