Sign up today for the McAllen Marathon to be held on Sunday, January 21, 2018 which features a 26.2 mile full-marathon, a 13.1 mile half-marathon, or 5-person relay-marathon adventure through the downtown streets of tropical McAllen, Texas where the average January weather is between 50 to 71 degrees! The McAllen Marathon a USATF-certified marathon and a qualifier for the Boston Marathon, is billed as a very flat and fast course for competitive runners. Participants can register online at www.mcallenmarathon.com or call (956) 681-3333.