St. Mary’s 5K
About this race
We are thrilled to announce our school's fourth annual 5K event, and we want you to be a part of it! Lace up your running shoes and join us for a fun-filled morning of St. Mary school spirit and community bonding. This event is open to everyone. Your participation will be contributing to a great cause, with proceeds benefiting our school’s programs and initiatives. So gather your friends, family, and classmates, and let’s all come together for a memorable day of fun, fitness, and fundraising. Save the date and run, walk, or jog your way through the finish line and toward a healthier and happier school community. Let’s make this 5K an event to remember!
Race day will also include a ticketed raffle for prizes such as fitness classes and gift cards to local businesses!
The St. Mary's 5K is an officially timed race that starts and finishes at St. Mary's School. Participants will receive race t-shirts, finish line photos, a free raffle ticket, and official race results.
Pick your distance
Running
5K
Typical race-day weather
Based on 4 years of Open-Meteo archive data for this event's race dates in Brookline, plus the 3 days either side.
The sun rises at 6:36 AM and sets at 6:35 PM local time (EDT) in Brookline on September 26, 2026 — 11h 58m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Results — St. Mary’s 5K
Other races near Brookline
Different organizers, within 40 miles, in the next three months
The Beantown Winter Classic
Track Night Boston
Winter Classic 5K
Reach Green Stadium Challenge - Tree Boston
🏃 Plan Your Next Race in Brookline
Find upcoming events by distance:
- Brookline 5K Races 2 races
- Brookline Running Calendar 2026 2 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 2 Brookline events
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