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St. Mary’s 5K

Brookline, Massachusetts, United States

calendar_today 26 Sep, 2026

directions_run Running

sell $25.00

About the Event

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.

Races Offered

5K

Sep 26, 2026

straighten

Distance — 5K

terrain

Type — Running

timer

09:30

sell

$25.00

Weather History

These values represent the 3-year monthly averages for September in Brookline.

thermostat Temperature

14.4° / 22.8°

wb_sunny Feels like

13.5° / 22.0°

light_mode Avg sunshine hours

9h 6m

water_drop Avg rainfall

3.7 mm

ac_unit Avg snowfall

—

air Avg wind speed

10.5 km/h (Light breeze)

opacity Sweat loss rate

Moderate

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Moderate (5.0)

humidity_mid Humidity

77.1%

wb_twilight Sunrise

06:25

nightlight Sunset

18:52

About Brookline

Learn more about the host city, Brookline.

Brookline is a primarily residential, although fairly high density, suburb of Boston. It has several interesting neighborhoods to visit, and two National Historic Sites.