Dathan Ritzenhein, the new coach of the On Athletics Club, joins DyeStat editor Doug Binder to discuss his move to Boulder, Colo. to start a brand new professional running group that includes eight athletes -- Leah Falland, Emily Oren, Alicia Monson, Alicja Konieczek, Oliver Hoare, Joe Klecker, Carlos Villareal and Geordie Beamish. Ritzenhein reflects on his 16-year pro running career and the transition to full-time coaching.