1000 N Texas Ave, Mercedes. $18.00 pp. (405) 326-3829. Join us for the Craziest 8 seconds on the back of a bull. Ruthi's Rock-n-Country starts the Sunday morning activities from 12:00 - 2:00 pm. She will kick off the Rodeo with the National Anthem right after the Awesome Rodeo Sponsor pre-show festivities.