Tulsa, Oklahoma (United States of America) - "Williams Route 66 Marathon". Marathon (26.2 mi, USATF-certified, Boston Qualifier), Half Marathon, Marathon Relay - Sun Nov 22, 8:00 AM CST; 5K Run & Walk and 1-Mile Fun Run Sat Nov 21. Downtown Tulsa, start 7th Street & South Main Street, finish Guthrie Green. https://route66marathon.com