The Oklahoma City Memorial Marathon combines the personal challenges of running a marathon with the emotion of a shared national tragedy. Runners and walkers of all levels can participate in a relay option as well as a kids marathon, half marathon, senior marathon and Memorial 5K.

The Health & Fitness Expo kicks off race weekend festivities. It opens on Friday for packet pick-up and runs through Saturday. The Expo is open to all and features dozens of vendors with the latest in running gear and apparel. Find a full schedule here.

All event proceeds benefit the Oklahoma City National Memorial & Museum.