Skagit Flats Marathon, Half & 5k

Get ready to hit the ground running at the 48th Annual Skagit Flats Marathon, Half Marathon, and 5K race! Lace up for the flattest, most scenic Boston qualifier in Washington on September 14, 2025. With a cap at 800 runners, you'll want to secure your spot fast for this intimate, yet challenging experience. Whether you're a seasoned marathoner or a 5K newbie, there’s a distance for you – all with chip timing for precision. Don't forget to collect your finishers medal and refuel with food post-race, but remember, there's no gear check, so pack smart! With mild weather expected and live results to keep your fans updated, it’s an event not to be missed. Early birds catch the best rates, so register now to join this exhilarating run through the Skagit Valley!