Marathon Monday 2025: Official Boston MarMon Weekend Guide 🏃🏽🎉 (April 17th to 21st, 2025)
Boston’s biggest weekend is here—and we’ve got your ultimate guide to Marathon Monday and beyond. From the history of Heartbreak Hill to the best free parties around the city, this week’s edition is packed with can’t-miss MarMon moments. (April 17th to April 21st, 2025)
What's Poppin': 2025 Boston Marathon Monday Long Weekend Is Finally Here 🏃🏽🎉
🏃🏽 What's New In Boston This Week
It's the big day. The Boston Marathon is back for its 129th running on Monday, April 21st, 2025, marking a significant milestone as it coincides with the 250th anniversary of Patriots' Day. Established in 1897, the Boston Marathon is the world's oldest annual marathon and one of the six prestigious World Marathon Majors. Whether you're a seasoned marathoner or a first-time spectator, the city's energy this week is unmatched. Expect road closures, vibrant cheer zones, and a festive atmosphere as Boston celebrates this long weekend.
- When: Monday, April 21st, starting at 9:00 AM
- Where: Hopkinton to Boylston St, Boston
- Details: Boston Marathon Official Info
📍 Official Boston Marathon Map
This year, nearly 32,000 runners from around the globe will take on the challenging 26.2-mile course from Hopkinton to Boston's Copley Square. The race is renowned for its rigorous qualifying standards, hilly terrain, and iconic landmarks like Heartbreak Hill and the "Scream Tunnel" at Wellesley College. Pick 2–3 cheer zones along the Boston Marathon route (try Coolidge Corner, Kenmore Square, or Heartbreak Hill), and make a day of hopping between them with coffee and snacks in hand. It’s the most Boston thing you can do this Monday!
🌦️ Boston Weekend Weather Check
Spring has sprung in Boston! Here's the forecast for Marathon Weekend:
- Thursday, April 17th: Sunny with a high of 58°F (14°C) and a low of 38°F (3°C).
- Friday, April 18th: Partly cloudy, high of 63°F (17°C), low of 50°F (10°C).
- Saturday, April 19th: Warm and sunny, reaching 77°F (25°C) during the day and cooling to 53°F (12°C) at night.
- Sunday, April 20th: Mild temperatures with a high of 62°F (17°C) and a low of 42°F (6°C).
- Monday, April 21st (Marathon Monday): Partly cloudy skies, high of 56°F (13°C), low of 46°F (8°C).
Perfect weather to enjoy the marathon and outdoor festivities!
5 Can't-Miss MarMon Parties:
🍻 Boston Marathon Fan Fest
Marathon energy starts here. Fan Fest at City Hall Plaza brings three days of nonstop excitement with live music, special appearances by Boston Marathon legends, interactive fitness zones, and giveaways from major sponsors. Whether you're a runner or just here for the vibes, this is the place to be all weekend.
- When: Friday to Sunday, April 18th to 21st
- Where: City Hall Plaza, Boston
- Admission: Free
- Details: Fan Fest Info
🌍 Uganda to Boston: Rwenzori Marathon Trip Giveaway & World Champ Conversation
Get inspired by the global running community at this special Boston Marathon Week event. Hear from world champion runner Victor Kiplangat and learn about the Rwenzori Marathon—one of the most beautiful races on Earth. Plus, enter for a chance to win an all-expenses-paid trip for 2 people to Uganda to run the Rwenzori Marathon this September. Expect good vibes, free giveaways, and powerful conversations about running, community, and global connection.
- When: Saturday, April 20th, 3:00 PM – 5:00 PM
- Where: Heartbreak Hill Running Company, 294 Massachusetts Ave, Boston
- Admission: Free
- Details: Learn More
🏃♀️ CITGO One-Mile-To-Go Block Party
One mile from the finish line, the city throws down. This high-energy block party features a Sam Adams beer garden, live DJs, and massive jumbotrons streaming the marathon action. It’s the ultimate spot to cheer on runners as they hit that final push.
- When: Monday, April 21st, 11:00 AM – 5:00 PM
- Where: Beacon St, Kenmore Square
- Admission: Free
- Details: CITGO Party
🍹 Time Out Market Marathon Monday Party
Time Out Market is throwing a Marathon Monday bash with beats, bites, and brews. Expect a live DJ, marathon-themed drink specials, raffles, and plenty of post-race energy.
- When: Monday, April 21st, 12:00 PM – 5:00 PM
- Where: Time Out Market Boston, 401 Park Drive, Boston
- Admission: Free
- Details: Time Out Boston
🏃🏽 Sam Adams Marathon Afterparty (Mile 27)
The party doesn’t stop at the finish line. Head to the Mile 27 celebration for cold beer, live music, and serious post-race pride. Runners and spectators welcome—this is where Boston comes together.
- When: Monday, April 21st, 12:00 PM – 8:00 PM
- Where: 60 State St, Boston
- Admission: Free
- Details: Mile 27 Party
Hidden Gem In Boston: The Boston Marathon's Infamous Heartbreak Hill 💔🏃♀️
💔 What Is Heartbreak Hill?
If you're new to Boston or just marathon-curious, here's a hidden gem worth knowing: Heartbreak Hill. Located in Newton between miles 20 and 21 of the Boston Marathon course, it's the fourth hill along this stretch of Commonwealth Avenue. While the 0.6-mile incline may not seem daunting on its own, its placement late in the race, right when runners are "hitting the wall", makes it one of the most notorious stretches in marathon running.
🧐 Why Is It Called Heartbreak Hill?
The hill earned its name during the 1936 Boston Marathon. In that race, defending champion John A. Kelley caught up to leader Ellison "Tarzan" Brown on the Newton hills and gave him a friendly pat on the back. Brown responded by reclaiming the lead and ultimately winning the race, prompting Boston Globe reporter Jerry Nason to remark that Brown had "broken Kelley's heart"—thus christening the final Newton hill as "Heartbreak Hill".
This Weekend: Free and Cool Things To Do in Boston 😍
🎤 Fenway's Got Talent 2025
Show off your singing skills or cheer on local talent at Fenway's Got Talent, a five-week competition at Time Out Market Boston. Every Thursday from April 10 to May 8, participants compete for a chance to win two weekend passes to Boston Calling. Each week, judges select two winners to advance to the May 10 finale. Not performing? Enjoy food, drinks, and live entertainment.
- When: Thursday, April 17th, 7:00 PM – 8:30 PM
- Where: Time Out Market Boston, 401 Park Drive, Boston
- Admission: Free
- Details: Fenway's Got Talent
🦸 Wicked Comic Con
The original Boston Comic Con founders and Landry Pop Auctions present Wicked Comic Con! A 100% Boston homegrown show dedicated to comic books, comic book creators, comic book art, and cosplay.
- When: Saturday, April 19th, 10:00 AM – 5:00 PM
- Where: Westin Boston Seaport District, 425 Summer St, Boston
- Admission: Free Entry
- Details: Wicked Comic Con
🍻 Beer Fest Party
An unforgettable Beer Fest with the finest locally crafted beers from breweries around New England. Sample brews and enjoy a live DJ and photo booth.
- When: Saturday, April 19th, 1:00 PM – 5:00 PM
- Where: Time Out Market Boston, 401 Park Drive, Boston
- Admission: Free (21+ for sampling)
- Details: Beer Fest Party
🌍 Grow With Us: Earth Day Party
Celebrate Earth Day the fun way—with plant swaps, sustainability talks, music, and mocktails.
- When: Saturday, April 19th, 1:00 PM – 5:00 PM
- Where: 114 Western Ave Lot, 114 Western Ave, Allston
- Admission: Free
- Details: Hosted by Sustainable Swaps
🛍️ Spring Thrift Market at The Cyclorama
Vintage lovers, this one’s for you. Select Markets is back at the Cyclorama with curated secondhand gems, handmade goods, and local makers. Come ready to browse and buy.
- When: Saturday, April 19th, 1:00 PM – 6:00PM
- Where: The Cyclorama, 539 Tremont St, Boston
- Admission: Free
- Details: Spring Thrift Market
