Set your sights on the Prairie Series Day 2 - MO, a highlight of the renowned Mainly Marathons series, taking place on Saturday, May 9, 2026, in scenic St. Joseph, MO. Runners can choose their challenge from a 26.2M marathon, 13.1M half marathon, 10K, or 5K, with additional ultra-distance options including a 50K for those seeking an even greater feat. The course itself promises a "Fast and Flat" experience on a smooth concrete running and biking path that winds along the river, offering moderate shade and pleasant city views. Typical race day conditions in early May feature comfortable highs around 73°F and lows near 50°F, with a modest 17% chance of precipitation, creating an inviting environment for all participants.

This event is celebrated for its runner-centric approach, operating under a "no runner left behind" philosophy with no time limits, ensuring every stride counts at your own pace. As part of the larger Mainly Marathons "World's Best Marathon & Half Series," expect exceptional support and camaraderie from a "loony community" of passionate runners. The race features a multi-loop course with a generous aid station, strategically placed to keep you fueled and hydrated, often supplying creative offerings like berry smoothies, potato salad, and hot dogs alongside standard ultramarathon fare. Finishers are rewarded with unique, award-winning medals for each day's achievement, and those tackling distances longer than a half marathon will receive a custom metal-stamped nameplate to commemorate their accomplishment.

Starting at the north entrance of the Saint Joseph Riverwalk, the Prairie Series Day 2 - MO is more than just a race; it's an opportunity to forge lasting memories and friendships on a well-supported course designed for both seasoned endurance athletes and those looking to complete their first long-distance event. Join this highly-regarded event that focuses on the runner experience, delivering excellent organization and an unforgettable atmosphere.