
Thin Mint Sprint 2026 is a running race on September 12, 2026 in Fox River Grove, IL, with an entry fee of $40.
From the Organizer
Get ready to lace up your running shoes because we’re back with an exhilarating in-person race! This year, we’re bringing back the timed 5K fun run/walk along the stunning Fox River, as well as a 1-mile walk/run option. Mark your calendars for Saturday, September 12, and head to Lions Park for an epic day of racing and community celebration. And don't forget about the post-race party – it's going to be a blast! This is an event you won't want to miss, so join us for an unforgettable day of fitness, fun, and togetherness!
Join us in supporting GSNI's financial assistance programs. We're on a mission to ensure that every girl has the opportunity to experience the amazing world of Girl Scouts, no matter what challenges they face. From membership fees to uniforms, books, and even international adventures, we're dedicated to making the Girl Scout journey accessible to all.
Race packet pick-up will occur during race check-in on September 12th.
Virtual runners will be contacted in regard to packet mailing.
Check-in on race day opens at 7:45 a.m.
Race begins at 8:30 a.m. sharp!
After-party immediately following until 12:00 p.m.
FOR PARKING, PLEASE USE THIS ADDRESS FOR GPS LOCATION: 400 Lincoln Ave, Fox River Grove, IL 60021
Events
Weather
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
74°
Typical Low
55°
Chance of Rain
33%
Based on US Climate Normals data from Barrington 3sw, 6 mi from the venue.
Host City
Population
4,501
as of 2023
City Elevation
786 ft
Nearest Airport
ORD
Chicago O'Hare International Airport · 22 mi
Time Zone
Central Time
From Endurance Grid
A small town race. Lodging near the start could be limited, so book early.
Race Location
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at Thin Mint Sprint 2026, put it on the calendar, and turn “someday” into a start date.
51
Days to train
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From Endurance Grid
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
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5 miles away
Sunbeams Uganda 5k
5 miles away
Plan your trip
Coming from out of town? There's more to Fox River Grove than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.
Plan your trip to Fox River GroveFrequently Asked Questions (FAQs)
Thin Mint Sprint 2026
Sep 12, 2026