Some sports such as athletics specifically do not allow a guide, whereas cycling and skiing do require a guide.
It might seem difficult to understand when you see what skiing requires, but I think I have a special connection with this sport.
Vigorous cross-country skiing requires endurance, strength and flexibility.
Barefoot skiing requires a higher speed because the skier's feet are smaller than skis, providing less lift.
Off-piste skiing requires good skiing ability.
In alpine skiing, for every 1000 people skiing in a day, on average between two and four will require medical attention.
Biathlon and cross-country skiing, with athletes competing simultaneously and with a variety of timing checkpoints, require the most complex systems.
There are many packages that include skiing at up to seven other Tahoe area ski resorts, and accommodations if required, that bring the lift price down.
Ski jumping requires fast-twitch fibers and explosiveness; cross-country skiing requires endurance.
Both horseback riding and cross-country skiing require permits from the Minnesota Department of Natural Resources.