Table 1.

Participant and event characteristics of the multi-stage (MSUM) and 24-h continuous (24 h) ultramarathons

	MSUM	24 h
Participant characteristics
Total (n)	54	22
Male	33	16
Female	21	6
Age (year)	40 ± 8	40 ± 7
Height (m)	171 ± 15	177 ± 8
Body mass (kg)	70 ± 11	78 ± 11
Number of previous ultramarathon events	5 ± 7	16 ± 13
Ultramarathon characteristics
Distance (km)	total 225	range 122 to 208
Ambient temperature (°C)	range 32 to 40	range 0 to 20
Relative humidity (% range)	range 32 to 40	range 54 to 82
Altitude (m)	range 473 to 1443	range 39 to 645
Course description	Off-road trails and paths, steep and narrow mountain passes, and occasional road	Off-road terrains, including trails, paths, and grasslands

Mean ± SD (otherwise specified)