The River Run
Sat, Oct 31 · in 4 days Simsbury, CT
10K5K
Race website & registration Your chances
Where would you finish?
Enter your race pace or connect Strava, and raceIQ compares you with this race's past finishers in your age group and gender.
See your predicted place7th
of ~140
Age group
Finish times
From the 2025 results.
Field strength
5KCompetitive
Faster up front than 71% of the 5K races we track, based on 446 finishers over 1 edition.
10KCompetitive
Faster up front than 76% of the 10K races we track, based on 300 finishers over 1 edition.
Upcoming races nearby
All races in Connecticut- Halloween Hustle 5KSat, Oct 31 · Longmeadow, MA
- CMS 52 Week 5K SeriesSat, Oct 31 · Worcester, MA
- CFA 5K and Children's Fun Run for Mental HealthSat, Oct 31 · Groton, CT
- Collinsville Trick or TrotSat, Oct 31 · Collinsville, CT
- Center School's Halloween Hustle 5k Run/WalkSat, Oct 31 · Longmeadow, MA
- St. Michael School 5K Turkey TrotSat, Oct 31 · Pawcatuck, CT