Join us for a sure-to-be unforgettable day at The Barlow! On Saturday November 1, 2025, the IPA10K and Hallowine Half Marathon unite for an epic event in Sebastopol, CA. This exciting multi-faceted event features the 8th annual IPA10K and 12th running of the Hallowine Run produced by Destination Races. poduced by A Good Run and Destination Races. Take part in one of several race options: the IPA10K, Hallowine Half Marathon, 3K, or The Beer Mile.  For dog lovers, the Wagging Tail Run invites you to run alongside your bestie while “treating” them like a king or queen.

Enjoy an expanded post-race festival at The Barlow, one of the North Bay’s favorite gathering spots. The festival features local craft brewers and wineries, live music, food trucks, a Halloween costume contest and the iconic Beer Mile competition featuring the best beer milers in the world, the hilarious Brewery Challenge and 2-person beer mile relay.  Dotted with shops, restaurants, and tasting rooms, The Barlow is the perfect open-air gathering place to relax and mingle with friends, family and running buddies. 

Don’t miss one of the year's most anticipated event—register now to save and get ready to run, sip, laugh, cheer and celebrate!