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Idaho’s Ugliest Sweater Run, brought to you by The Dirty U

Boise, Idaho · Saturday, December 5, 2026 · 5K

Official race page & registration ↗

Idaho’s Ugliest Sweater Run, brought to you by The Dirty U takes place on Saturday, December 5, 2026 in Boise, Idaho. The race is run over 5K. For anyone travelling in, Kuna is about 9 miles away.

It is one of 4 races on the Idaho calendar that December.

Date
Saturday, December 5, 2026
Location
Boise, Idaho
Distances
5K

Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.

Making a race weekend of it?

Stay near the start line in Boise: check in Dec 4, out Dec 6.

Hotels on Booking.com ↗ Hotels on Expedia ↗

Common questions

When is Idaho’s Ugliest Sweater Run, brought to you by The Dirty U?

Idaho’s Ugliest Sweater Run, brought to you by The Dirty U is scheduled for Saturday, December 5, 2026.

Where is Idaho’s Ugliest Sweater Run, brought to you by The Dirty U held?

Idaho’s Ugliest Sweater Run, brought to you by The Dirty U is held in Boise, Idaho. It is about 9 miles from Kuna.

What distances does Idaho’s Ugliest Sweater Run, brought to you by The Dirty U offer?

The listed distances are 5K.

How do I register for Idaho’s Ugliest Sweater Run, brought to you by The Dirty U?

Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.

More races nearby

Within about 60 miles, ordered by approximate straight-line distance between listed locations.

See every race on the Idaho calendar, all Boise races, Idaho 5Ks, or use the Race Finder for maps and filters.