Pre-registration is closed, but you can still sign up at the starting line!

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BBB is Boston’s alleycat for + by cyclists of marginalized genders (including women, trans, & nonbinary people). Get ready to explore Boston on two wheels and compete for awesome prizes. Race is limited to women, trans & nonbinary folks only, but everyone is welcome to our afterparty.

Registration $5-$20 (sliding scale)

Wondering what an alleycat is? Originating with bike messengers, alleycats test not only your speed but your knowledge of the city and ability to create an efficient route to hit different checkpoints throughout the city. Some checkpoints will have activities you must complete before moving on. Babes Bike Boston encourages riders of all abilities to participate, go at your own pace, hit as many checkpoints as you can, and most importantly have fun! While we’ll have awards for the fastest riders, we’ll also have some award categories that aren’t all about speed (like the “most fun” award).

P.S. We’ll have a new variation this year for the more competitive and speedy folks!

What to bring: REQUIRED:

Yourself
A helmet
A bike

What to bring: SUGGESTED:

A GPS or charged phone
Battery pack for recharging
Sunscreen
A water bottle
A snack
Tools to fix a flat/basic mechanical issues

COVID POLICY: If you tested positive or feel sick within 5 days of the event, don't attend. We can refund registration fees. If you test positive after the event, reach out to the organizers (femmechanics@gmail.com) and we can let other folks know that someone tested positive anonymously. The event will be outdoors and the afterparty will be in a space with mostly indoor and some outdoor space. We encourage masking when indoors at the event.

Huge THANK YOU to our sponsors:

Bullmoose
Cambridge Bicycle
Roadrunner Boston
Cambridge Used Bicycles
Wegman’s
Broadway Bicycle School
Bagelsaurus
JP Licks
Boston University Cycle Kitchen

Babes Bike Boston 2025

By Somerville Bike Kitchen

Babes Bike Boston 2025