USATF Mountain Ultra Trail — ATRA

USATF Mountain, Ultra and Trail Running Welcome to the home of Mountain, Ultra and Trail (MUT) Running for USA Track & Field (USATF - the official

American Trail Running Association

A Primer on MUT and USATF - Ultra Running Magazine

A Primer on MUT and USATF - Ultra Running Magazine

Ragged 50K to Host 2021 USATF 50K Trail Championship — ATRA

Andy Wacker (@WackerAndy) / X

McLaughlin and Peterman Defend at 2021 USATF Trail Marathon

USATF Mountain Ultra Trail — ATRA

USATF Mountain, Ultra, Trail Council Announces 2020 National

Akron's Israel Merkle, 28, wins 50 Mile Road title at Tussey m

USATF Mountain Ultra Trail (@usatf_mut) / X

Kasie Enman (@KasieEnman) / X

USATF MUT Running (@usmtrunningteam) • Instagram photos and videos

Wyeast Trailfest — Daybreak Racing

Why USATF and ATRA membership makes sense

USATF Mountain Ultra Trail (@usatf_mut) / X