Dates and times are subject to change by organizers. Please visit the organizers’ website for the latest information.

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  • Mission MetroWest road race

    Prospect Hill Park 314 Totten Pond Road, Waltham, MA

    All proceeds go to the Community Day Center of Waltham, a homelessness charity on the corner of Felton Street and Main Street. This is a 5k or 1 mile race, […]

    $20
  • Annual citywide clean-up

    Waltham Public Works 155 Lexington Street, Waltham, MA

    Join us as we clean the city of trash and litter! This is a great opportunity for residents, students, and businesses to get involved in the community and help maintain […]

    Free
  • 26th annual Charles River Earth Day cleanup

    Shaw's supermarket 130 River Street, Waltham, MA

    UPDATE: The cleanup is at capacity in Waltham (and actually along the entire length of the river), but folks can help with the Citywide Cleanup that day, and with the Waltham Land Trust on other days throughout the year. This is the 26th anniversary of this special event to help remove litter and invasive plants […]

    Free
  • Healthy Kids Day

    Waltham YMCA 725 Lexington St, Waltham, MA

    Healthy Kids Day is a celebration dedicated to teaching kids about the importance of healthy eating, nutrition and physical activity, mental and emotional well-being, and developing healthy habits — and […]

    Free
  • Gore Place Sheepshearing Festival

    Gore Place 52 Gore Street

    Since 1987, this annual event has entertained guests with music, 100+ craft and fiber artists, demonstrations of traditional shearing and herding dogs, and historic re-enactors on the beautiful grounds of this historic, 50-acre estate. The festival will take place on April 26, rain or shine. For ticket information, vendor information, or to learn how to […]

    $20
  • Waltham Fields Community Farm and GROW clean-up

    Waltham Fields Community Farm 240 Beaver St, Waltham, MA, United States

    Waltham Fields Community Farm (WFCF) and GROW (Green Rows of Waltham Community Gardens) are teaming up to support the City of Waltham's annual citywide clean-up initiative. We're focusing on the roadside area bordering WFCF and GROW's community garden plots (Beaver Street & Linden Street), as there is a significant amount of litter from the roadway […]

    Free
  • Paul A. Mitchell Foundation, Inc. — Annual memorial basketball game

    Waltham Boys & Girls Club 20 Exchange St, Waltham, MA

    "Your wings already exist. All you have to do is fly." Join us for an exciting game, raffles, prizes, relay race (ages 6-9), knockout (ages 10-12) and page loads of fun! Doors open: 12:30 p.m. Age 17 and under free.  

    $10
  • Bike Together Waltham — April group ride

    Waltham City Hall 610 Main St., Waltham, MA, United States

    Update: "Despite the forecast, we are still planning on riding Saturday, April 26, at 2 p.m., meeting behind City Hall. Riding in the rain can be enjoyable, if you dress […]

    Free
  • Solve climate with 350 Mass!

    Waltham Public Library 735 Main St, Waltham, MA, United States

    Join the 350 Mass Waltham node and help us take climate action in our city to the next level!

    Free
  • “A Bountiful Musical Source – The Morris Hollender 100th Birthday Concert”

    Temple Beth Israel 25 Harvard Street, Waltham, MA

    Temple Beth Israel of Waltham will present "A Bountiful Musical Source - The Morris Hollender 100th Birthday Concert." Directed by Dr. Hankus Netsky, co-chair of New England Conservatory's Contemporary Musical Arts Program and founder and director of the Klezmer Conservatory Band, the concert will also feature Rabbi Jessica Kate Meyer, violinist; vocalist Eden Macadam-Somer; and […]

    $36
  • Waltham City Council Meeting

    Waltham City Council meeting

    Waltham City Hall 610 Main St., Waltham, MA, United States

    Waltham City Council normally meets on the second and fourth Mondays of each month, except during July and August. If a meeting falls on a Monday holiday, Council instead meets […]

    Free
  • Watch City Watches: “Every Little Thing”

    Waltham Public Library 735 Main St, Waltham, MA, United States

    Join us for a matinee! In honor of Earth Month we'll be watching the Sundance hit "Every Little Thing," a new documentary about author and wildlife rehabilitator Terry Masear and […]

    Free