World's Best Marathon & Half Series (5K's, 10K's, & 50's too)!

No Time Limits

Great Food

Award-Winning Medals

Loony Community!

We RUN this country, TOGETHER!

Event details and schedule

Thanks for running with Mainly Marathons!  Take a look at our website for additional details about this series and our other series of races.  

Also, join our Facebook group to stay up-to-date with our loony adventures: Main Group and New England Series.

If you're interested in some Mainly Merch, check out our online store HERE. We'll offer some items (hats, stickers, magnets, mugs, etc.) in-person at the races, the Mainly Merch store best option for a variety of fun designs and quality merchandise to showcase your loonacy!

If you have any questions, email MB@MainlyMarathons.com