5 running and walking events in Simsbury, Connecticut
From big races to Saturday morning group runs—find running and walking events and connect with the local endurance sports community.
Simsbury
5 events in Simsbury-
Sat, Mar 21, 2026 at 10:00 AMSee full details
NEW COURSE--This run starts and finishes at the Simsbury Farms Park in Simsbury CT. This public facility is located in the west end of Simsbury in a residential area. The course begins and ends in the parking lot and is all roads through local neighborhoods with minimal traffic. All roads will be open. The many small "rolling hills" have a total elevation of 159ft. It will be well marked with course monitors at key intersections.
This is a free event but consider a donation so that we can cover costs of these grass root events for you!
Sign up here to reserve your spot, we can take up to 50 people, please email the RD if you have questions.
As always, results will be posted here on RSU in the afternoon.
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at 1:00 AMSee full details
World's Best Marathon & Half Series (5K's and 10K's too)!
No Time Limits
Great Food
Award-Winning Medals
Loony Community!
We RUN this country, TOGETHER!
Event details and schedule
Thanks for running with Mainly Marathons! Take a look at our website for additional details about this series and our other series of races.
Also, join our Facebook group to stay up-to-date with our loony adventures: Main Group and New England Series.
If you're interested in some Mainly Merch, check out our online store HERE. We'll offer some items (hats, stickers, magnets, mugs, etc.) in-person at the races, the Mainly Merch store best option for a variety of fun designs and quality merchandise to showcase your loonacy!
If you have any questions, email [email protected]
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Sat, Sep 26, 2026 at 10:00 AMSee full details
The River Run will take place Saturday September 9/27/2025 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
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 9/26 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 (MALE & FEMALE)
14 and under; 15-19; 20-29; 30-39; 40-49; 50-59; 60-69; 70+
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.
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!
Begins at 11:15 (after the 5k & 10k). All finishers will receive a Bib, T-Shirt & Certificate of Completion. 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!!!
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Sat, Oct 31, 2026 at 9:30 AM