duathlon

noun

an athletic contest in which each athlete competes in running and cycling events

Derived Formsduathlete, noun

Word Origin for duathlon

C20: from duo- + Greek athlon contest

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012