Register for the Heatwave Half Marathon in Oklahoma City this summer. Every pace and fitness level is welcome to participate in this family-friendly race. Choose to run in the 5K, 10K, half-marathon, half-marathon relay, volunteer-then-run, virtual race, one-mile or the kid's dash. Every registration will include a shirt, medal, chip-timing with live results, photos and a cold treat from Kona Ice at the finish line. Don't miss this fun and active event in Oklahoma City in July.