Today from 7:30 a.m. to 5 p.m. at the Genesee Valley Sports Complex is the Rochester Regional Health System Flower City Challenge consisting of either the The River Challenge which "is a 5K run, followed by a 20-mile bike ride [… and] another 5K." or The River Challenge Paddle (Kayak) Triathlon which "is a 5K run, 20 mile bike ride and a 3 mile kayak paddle." [source: City of Rochester website, 2015-Apr-15]