A non-partner race, the Pony Express 5k in St Joseph, MO is just a short trip up I-29. This year’s event benefits St. Jude Children's Research Hospital by supporting the Measly Mile Mafia Heroes as they train and fundraise for the New York City Marathon. Your participation helps make a difference in the lives of children and families facing life-threatening illnesses. Use code SmartRunner2026 for 10% off the 5k race. While membership is not required for this discount, please consider signing up for our $12 Annual Membership for access to exclusive discounts, free drawings and more. Sign up now!