Register For
To Bone and Back Relay

Idaho Falls, ID 83401
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$65.00 + $6.21 SignUp Fee

Not your typical Ultramarathon! This is a rugged out-and-back road race that pushes runners deep into remote parts of Idaho—and then demands they earn every mile back. Expect long climbs, relentless descents, exposed sections, and big mental tests. This is a true endurance challenge where pacing, preparation, and grit matter just as much as fitness.

$35.00 + $4.17 SignUp Fee

— Group/Team Pricing May Apply

$34.00 + $4.11 SignUp Fee

— Group/Team Pricing May Apply

$34.00 + $4.11 SignUp Fee

— Group/Team Pricing May Apply

$34.00 + $4.11 SignUp Fee

— Group/Team Pricing May Apply

$34.00 + $4.11 SignUp Fee

— Group/Team Pricing May Apply

$34.00 + $4.11 SignUp Fee

— Group/Team Pricing May Apply

$34.00 + $4.11 SignUp Fee

— Group/Team Pricing May Apply

$34.00 + $4.11 SignUp Fee

— Group/Team Pricing May Apply

$34.00 + $4.11 SignUp Fee

— Group/Team Pricing May Apply

$34.00 + $4.11 SignUp Fee



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