1. A method of managing bets, comprising: receiving one or more first type of bets, each first type having an associated bet amount and comprising a bet that the total number of units earned by a particular participant over a course of a plurality of events will fall within a first range of numbers, the particular participant selected from a plurality of participants each participating in at least one of the plurality of events; receiving one or more second type of bets, each second type of bet having an associated bet amount and comprising a second bet that the total number of units earned by the particular participant in the plurality of events will fall within a second range of numbers; determining the total number of units earned by the particular participant based at least in part on the positioning of the particular participant in each of the plurality of events; determining whether the first type of bets or the second type of bets are winning bets based at least in part on whether the total number of units earned by the particular participant falls within the first range of numbers or the second range of numbers; determining a betting pool based at least in part on the total of the bet amounts associated with the first type of bets and the total of the bet amounts associated with the second type of bets; and determining an amount of a payout based at least in part on the betting pool and the total of the bet amounts associated with the winning bets.