Online registration will close at 5 p.m. on the Friday before the event.

On-site registration begins at 2:15 on race day at the Come Back In, 508 E. Wilson St. Day-of registration fees are the same- $20 per race.

Online registration for subsequent races will then re-open the evening after each race.

2025 Race Dates:

#1 1/4 (5k)

#2 1/18 (4-mile)

#3 2/1 (5-mile)

#4 - 2/15 (1-mile)

Time: Saturdays at 3PM
Location: Come Back In at 508 E. Wilson St. and Capital City Path | Madison, WI
Due to the venue, these races are ages 21 and up.

It is winter. In Wisconsin. Please dress appropriately and run according to the conditions.

Have a question?
Please email us at subzeroraceseries@gmail.com and we will be happy to help.

Missed online registration for your race? Race day registration is also available beginning at 2:15 p.m. inside the Come Back In. Cash, check, Venmo accepted.

Awards: M, F, and Non-Binary. M/F age groups 21-29, 30-39, 40-49, 50-59, 60+ NB will be an Open division