Race Discovery
St. Mary’s 5K
St. Mary’s 5K logo

St. Mary’s 5K

Brookline, Massachusetts, United States View on map
Sep 26, 2026 (America/New_York local time)
Running

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

Sep 26, 2026 5K 9:30 AM
$25.00
Open

Typical race-day weather

Based on 3 years of historical conditions on this event's race dates in Brookline.

Temp (°C)
Minimum temperature (race-day average) 13.3° / Maximum temperature (race-day average) 17.0°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-day average) 13.3° / Maximum feels like — heat index / wind chill (race-day average) 17.0°
Wind (km/h)
Average wind speed (race-day average)
18.2
Precip (mm)
Average precipitation (race-day average)
13.7mm
Humidity
Average relative humidity (race-day average)
78.3%

Course

Route map and elevation profile

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.

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Other races near Brookline

Different organizers, within 40 miles, in the next three months

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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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