More than 2,000 runners will be taking part in the 45th Prairie Fire Marathon in Wichita Sunday morning. The starting line is at Seneca and Burton and the finish line will be at Riverfront Stadium. Events begin at 6:30 a.m with a pre-race stretch. The Marathon and Half-Marathon will start at 7:10 a.m, then the 5K and the Mayor’s Friendly 5K will begin at 7:30.