Extreme Flag Football offers equipment rental for the entire season. Call for more details. If you are interested in coaching in Central Texas, please contact us at to become certified PRIOR to the season. Click here to receive Allen Parks & Recreation Adult Athletics' text & e-mail alerts. Team Roster must be submitted prior to the start of your team's 1st . Adult Flag Football Adult flag football leagues are offered during the spring, fall and winter seasons. Divisions offered include Men’s C and Coed Open. Open to .