duathlon Definition

triathlon, triathlete, ironman, marathon, biathlon, ultramarathon, cyclocross, marathoner, racewalking, relay race, turkey trot, miler, enduro, track event, cross country, orienteering, sprint, race, footrace, athletic contest, outdoor game, day game, criterium, omnium, steeplechase, equestrian sport, middle distance, pentathlon, swim meet, athlete, decathlon, sack race, motocross, fun run, slalom, track meet, cyclist, bike, long jumper, athletics, powerlifting, walkathon, velodrome, cycle, time trial, slalomer, showjumping, championship, runner, eventing, automobile race, weightlift, track and field, mtb, flatwater, biathlete, field event, endurance, racer, bmx, swimmer, mountain bike, night game, karting, gymnastics, giant slalom, frog kick, invitational, gymnastic apparatus, foot race, olympic, downhill, supercross, speedskater, bodybuilding, sea mile, back straight, jog, epinician, hurdler, cardiopulmonary exercise, boat race, bobsleigh, natator, medalist, phone company, bobsled, regulation time, finisher, hammer throw, team sport, strider, broad jump, regatta, breaststroke, autocross, olympiad, bicycle, backstroke, victory lap,