In 56 days · Sat, Sep 26, 2026
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Saturday, September 26th, 2026
22 Iron Horse Blvd, Simsbury CT
5K · 10K · 1 Mile
55–72°F · some rain risk
See last 10 years
On this date: rain 3 of the last 10 years
2025
62–78°F
dry
2024
58–70°F
rain
2023
49–64°F
dry
2022
54–73°F
dry
2021
56–69°F
dry
2020
60–77°F
dry
2019
56–80°F
rain
2018
65–78°F
rain
2017
67–88°F
dry
2016
45–68°F
dry
Best months to race in Connecticut →
About this race
🏃♂️ The River Run Overview
The River Run will take place Saturday September 26, 2026 at 10:00 am in picturesque Simsbury, Connecticut. Featuring USATF certified 5k and 10k road races as well as 1 mile & 1/2 mile kid's races. This is a very flat course (PR flat) along smooth roads that border parks, Farmington River, bucolic farms, & lovely residential homes.
💰 Entry Fees
- 5K Entry Fees: Up until 8/28 = $30: 8/29-9/20 = $35: Race Day = $40
- 10K Entry Fees: Up until 8/28 = $35: 8/29-9/20 = $40: Race Day = $45
- Kids Race: Free
- Note: All Registration Fees are Non-Refundable! Race Day registration opens at 8:30
👕 T-Shirts
A free performance shirt is included with your 5k or 10k pre-registration. (Subject to availability)
📦 Early Packet Pickup
Pick up your bib & T-shirt on Friday 9/25 from 3:00-6:00 at the Ticket Depot adjacent to the Iron Horse Playground.
🚗 Parking
Park in the commuter lots along the west side of Iron Horse Boulevard between Drake Hill Road and Phelps Lane. This will be a short walk to the race start & finish lines. Note: the exits for the parking lot behind the amphitheater will be blocked during the race until around 11:45.
🏆 Age Divisions for Awards
- Age Groups: 14 and under: 15-19: 20-29: 30-39: 40-49: 50-59: 60-69: 70+
- Awards: Custom pint glass will be awarded to the Overall Winners in the 5k & 10k and the Top 3 in each age division at the Awards Tent post race.
- Special Note: If you get your Personal Record (PR) or it's your 1st time running the distance, please come Ring the Rotary Bell at the Post Race Party!
🐶 Nice Dogs, Strollers & Pushers
Are permitted, but please line up towards the rear of the field prior to race start.
⏱️ Timing
Gun time with chips on race bibs for finish time. All runners will receive their time and place. Final times posted on EmpireTiming.com/2024. Note: Elite runners should line up at the front.
👶 Kids 1 Mile
We are pleased to once again partner with the Farmington Valley YMCA to provide a fun-filled day for the entire family. This race is for kids up to 12 years old (mostly K-4th grades.) Parents are welcome to join in the fun!
- Start Time: Begins at 11:15 (after the 5k & 10k).
- Finisher Rewards: All finishers will receive a Bib, T-Shirt & Certificate of Completion.
- Registration: All Parents will need to register their child and sign a waiver prior to start, so DON’T be that parent that shows up 30 seconds prior to race start.
🎉 Post Race Party
Food provided by Harvest Cafe & Bakery and Jersey Mikes Subs. Beer (Bring ID). Music.
🤝 Your Sponsorship & Participation Helps Your Community
The Simsbury-Granby Rotary Club has been hosting The River Run since 1995. The run is an important fundraiser and 100% of the proceeds go back into the community! For more than 110 years, Rotary’s people of action have used their passion, energy, and intelligence to take action on sustainable projects. From literacy and peace to water and health, we are always working to better our world, and we stay committed to the end.
Rotary is a global network of 1.2 million neighbors, friends, leaders, and problem-solvers who see a world where people unite and take action to create lasting change – across the globe, in our communities, and in ourselves. Solving real problems takes real commitment and vision.
Thank you for supporting the fundraising efforts of your local Simsbury-Granby Rotary Club!!!
🔗 More Information
For further details and registration, visit The River Run.
Course map
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