Course
A 5K run and walk and a 10K run starting at 10am from 1132 Larsen Park Rd in Sioux City, on the Missouri River waterfront. A virtual entry is offered alongside, which entrants may complete on trail, sidewalk or treadmill. The organiser publishes no route map or surface detail.
10K Run10 km
5K Run/Walk5 km
Key dates
- ·RegistrationNot open yet
- ★Race dayMarch 2027 · date to be announced
Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.
About
The Spring Thaw is a 5K running race organized by Missouri River Runners in Sioux City, Iowa. It takes place at 1085 Council Oak Dr, offering a fun early spring running event.
Your next race, seen from above.
Save Spring Thaw – 5K to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save Spring Thaw – 5K to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Center Trails
Singletrack and limestone trails around Lake MacBride
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.