MRR Spring Thaw 2026

Choose from
1) LIVE 5K Run/Walk
2) Live 10K Run
3) VIRTUAL (Pick your distance, date and location)

ONLINE REGISTRATION CLOSES Wednesday March 25th at 12 pm, after that time you can only register in person on race day

T-Shirts not guaranteed if not registered by March 10th at Midnight.

Join Missouri River Runners for $15 for your entire household yearly membership (Jan 1 thru Dec 31). Get $5 off EACH Spring Thaw race entry for your family!

Register here… https://secure.getmeregistered.com/SpringThaw

Also check out other Sports events in Sioux City.