Kilian Jornet leaves his sponsor Salomon after 18 years

Jornet has won many of the world’s top ultras with Salomon as his sponsor

Aleksandr Sorokin of Lithuania runs 309 kilometres in 24 hours to break world record

Sorokin averaged 4:39 per km over seven consecutive marathons

François D’haene, Sabrina Stanley win first Hardrock 100 in three years

Athletes were, by all accounts, thrilled to return to Silverton, Colo.