mountain biking Definition

biking, skiing, cycling, snowboarding, kayaking, bicycling, motocross, canyoneering, snowshoeing, paragliding, motorcycling, mountaineering, longboarding, snowmobiling, skijoring, triathlon, nordic skiing, rock climbing, mtb, whitewater, hang gliding, horseback riding, luging, skateboarding, canoeing, orienteering, waterskiing, telemark, multisport, crosscountry, hiking, windsurfing, alpinism, alpine skiing, jibbing, orienteer, backpacking, bmx, skiers, bushwalking, backcountry, racewalking, cyclists, flatwater, alpine, pony trekking, fourteener, nordic, recreational, equestrian, downhiller, triathlete, sport, rafting, paddling, monoski, roller blade, tobogganing, schussing, ice skating, geocaching, hill climb, ultramarathon, trekking, racquetball, snowmobile, wakeboard, karting, snowdonia, surfboarding, enduro, golfing, sledding, cairngorms, slopes, skydiving, rollerblading, trampolining, bunny slope, camping, kayakers, mountain, wasatch range, etape, piste, nordic combined, rowing, rollerblade, trails, steeps, swimming, racers, riders, parkour, mushing, birding, marathoning, chainless, grossglockner, bikers,