Registration for the 2010 Twisted Ankle Marathon is CLOSED. Registration for the 2010 Twisted Ankle Half Marathon is CLOSED. Registration for the Twisted Ankle Trail Run is through Active.com. Prices: Marathon: $40 Limited to 175 runners Half Marathon: $30 Limited to 175 runners After May First, $10 will be added to each fee. Any person(s) under the age of 18 years will be required to have a parents' signature to sign up.