Routes
- Upper House - mtb crosscountry
- Upper Macatawa Natural Area Mountain Bike Trail - mtb crosscountry
- Upper New Zealand - mtb crosscountry, 1.2 km, ascent 40 m, descent 19 m
- Upper Oil Can - mtb downhill, 0.6 km, ascent 0 m, descent 86 m
- Upper Red Loop - mtb, 23.1 km, ascent 595 m, descent 598 m
- Upper Rock Ledges - mtb
- Upper to Lower - mtb, network lcn, 0.1 km, ascent 0 m, descent 0 m
- Upper Treaders Trail - mtb, 0.3 km, ascent 0 m, descent 5 m
- Upper Wudchuck - mtb
- UppSkaDu - mtb, 0.9 km, ascent 34 m, descent 0 m
- Upsy-Daisy - mtb, operator Okanogan-Wenatchee National Forest
- Urbacher Mountainbike-Rundstrecke - mtb, network lcn, operator Stadt Urbach, 2.5 km, ascent 86 m, descent 85 m
- Urban Trail - mtb, operator US:AR:Bentonville, 0.7 km, ascent 15 m, descent 21 m
- Urban Trail Connector - mtb, operator US:AR:Bentonville, 0.1 km, ascent 1 m, descent 1 m
- Urnerboden Bike - mtb, network lcn, operator Mountainbikeland Schweiz
- Uršankovo - mtb, network lcn, operator Ride Ruše, 15.6 km, ascent 427 m, descent 427 m
- Ursenbacher Höhe - Am Steinberg - mtb, network lcn, 0.9 km, ascent 33 m, descent 18 m
- Uršljegorska transferzala - mtb, network lcn, 41.1 km, ascent 1662 m, descent 1663 m
- URT Connector - mtb, 0.6 km, ascent 13 m, descent 21 m
- Uschi-Trail - mtb, 0.6 km, ascent 0 m, descent 67 m
- Ute Pass - mtb, 4.2 km, ascent 293 m, descent 69 m
- Utkiken - MTB 6 - mtb
- Utmaningen (blå) - mtb, network lcn, 5.5 km, ascent 49 m, descent 47 m
- Utra Trail - mtb, 0.2 km, ascent 0 m, descent 2 m
- Utra Trail - mtb, network rcn, 1.8 km, ascent 21 m, descent 7 m
- Utsikten - mtb crosscountry
- Uwabami - mtb, network lcn, operator US:AR:Bentonville, 0.6 km, ascent 4 m, descent 41 m
- Užovka - mtb, 1.8 km, ascent 40 m, descent 117 m
- V-Line - mtb downhill, 1.5 km, ascent 3 m, descent 113 m
- V3S - mtb
- Vadak útja - mtb, 26.9 km, ascent 588 m, descent 574 m
- Vadak útja: Dunaszentmiklós – Kőpite-hegy - mtb, 3.3 km, ascent 66 m, descent 37 m
- Vaddisznó - mtb, network lcn, operator Nyakas Enduro Trails, 0.3 km, ascent 0 m, descent 44 m
- Vadhajtás bringakörút - mtb, network lcn
- Våfflan - mtb downhill, 2.6 km, ascent 7 m, descent 235 m
- Vaixella - mtb enduro, network lcn, operator Finale Outdoor Region, 0.7 km, ascent 97 m, descent 31 m
- Val d'Ampola - Storo - mtb, operator Consorzio Pro Loco Valle di Ledro, 16.9 km, ascent 728 m, descent 1007 m
- Val d´Uina - Reschensee 3 Ländertour A-I-CH - mtb, network lcn
- Val di Strega - mtb, 0.8 km, ascent 0 m, descent 40 m
- Val Nava - mtb, network lcn, operator Finale Outdoor Region
- Val Venzonassa MTB - mtb, network lcn
- Val-de-Ruz Bike - mtb, network lcn, operator SchweizMobil
- Val-de-Vienne Tour - mtb, network lcn
- Val-de-Vienne Tour - Boucle d'Aixe-sur-Vienne - mtb, network lcn
- Val-de-Vienne Tour - Boucle de Bosmie-l'Aiguille - mtb, network lcn
- Val-de-Vienne Tour - Boucle de Saint-Priest-sous-Aixe - mtb, network lcn
- Valais Alpine Bike - mtb, network rcn
- Valais Alpine Bike - Stage 1 - mtb, network rcn
- Valais Alpine Bike - Stage 2 - mtb, network rcn
- Valais Alpine Bike - Stage 3 - mtb, network rcn, 32.4 km, ascent 964 m, descent 1443 m
- Valanga 1888 - mtb, 2.1 km, ascent 122 m, descent 14 m
- Valcaus - mtb, network lcn, operator Stiftung SchweizMobil
- Valcroissant - mtb, network rcn
- Valdagno - Magrè - mtb
- Valea Jijilei - mtb, 14.6 km, ascent 294 m, descent 290 m
- Valea Morsului - mtb, 15.3 km, ascent 440 m, descent 344 m
- Valea Seacă - mtb
- Valentina Trail - mtb, network lcn, 4 km, ascent 75 m, descent 300 m
- Valichi del Carso - mtb, operator Isontino in Mountain Bike
- Vall d'Alcalà Pla de Petracos - mtb, network rcn, operator Centro BTT "Vall de Pop", 50.6 km, ascent 1390 m, descent 1393 m
- Vall de Camprodon-Vall de Ribes - mtb, network rcn, operator Centre BTT Ripollès, 52.2 km, ascent 1984 m, descent 1980 m
- Vallabanan - mtb crosscountry, network lcn, 3.5 km, ascent 51 m, descent 51 m
- Valle Bislunga - mtb, 0.7 km, ascent 1 m, descent 42 m
- Valle de la Fuenfría - mtb, network rcn, operator Parque Nacional "Sierra de Guadarrama", 16.3 km, ascent 618 m, descent 421 m
- Valle del Preval - mtb, operator Isontino in Mountain Bike
- Valle delle streghe DH - mtb, network lcn, 1.2 km, ascent 0 m, descent 208 m
- Valle di Vico - località Canale - mtb crosscountry, network lcn, 2.3 km, ascent 113 m, descent 19 m
- Valle Morobbia Bike - mtb, network lcn
- Valle Vittoria - Cerveteri - mtb, 3 km, ascent 26 m, descent 34 m
- Vallée Blanche - mtb downhill
- Vallée de l'Erdre - mtb, 33.4 km, ascent 199 m, descent 202 m
- Vallée de l'Oiselière - mtb, 1.5 km, ascent 4 m, descent 25 m
- Vallée de la Touques - mtb
- Vallée du Jet - mtb, network lcn, operator Fédération française de cyclotourisme - Finistère
- Vallée du Merdereau - Circuit n°5 - Base VTT FFCT des Perles - mtb crosscountry, 23.9 km, ascent 320 m, descent 318 m
- Vallera Bike Corto - mtb, 25.8 km, ascent 516 m, descent 518 m
- Vallera Bike Lungo - mtb, 33.5 km, ascent 1012 m, descent 1013 m
- Vallerano - Poggio san Vito - mtb crosscountry, network lcn, 6.4 km, ascent 420 m, descent 3 m
- Valley Circuit - mtb crosscountry
- Valley Plunge - mtb, 1.2 km, ascent 17 m, descent 41 m
- Valley Spur Loop 1 - mtb, network lcn, 20.7 km, ascent 41 m, descent 41 m
- Valley Trail - mtb crosscountry
- Valley View - mtb, network lcn, 0.9 km, ascent 3 m, descent 22 m
- Valley View-Skill - mtb, network lcn, 0.1 km, ascent 0 m, descent 3 m
- Vallicelle - mtb
- vallons de l'autan VTT 02 bleue - mtb, network lcn, 16.1 km, ascent 329 m, descent 322 m
- vallons de l'autan VTT 04 rouge - mtb, network lcn
- vallons de l'autan VTT 05 rouge - mtb, network lcn
- vallons de l'autan VTT 06 noire - mtb, network lcn
- Vallsjörundan - mtb crosscountry, 31.9 km, ascent 315 m, descent 318 m
- Valmo Airline - mtb enduro, network lcn, 9.7 km, ascent 317 m, descent 779 m
- Valmortel - mtb, 2.4 km, ascent 0 m, descent 414 m
- Valschaviel Tour - mtb, network rcn
- Van Dahls Firetrail - mtb, 3.6 km, ascent 41 m, descent 85 m
- Van Duren Trail - mtb, network lcn, 0.4 km, ascent 0 m, descent 47 m
- Van Gogh's Missing Ear - mtb, network Friends of Hurtwood, 0.5 km, ascent 0 m, descent 5 m
- Vancouver - mtb freeride, 0.6 km, ascent 4 m, descent 142 m
- Vandergriff Connector - mtb, network lcn, operator US:AR:Fayetteville, ascent 0 m, descent 0 m
- Vandergriff Trail Lower Loop - mtb, network lcn, operator US:AR:Fayetteville, 0.7 km, ascent 16 m, descent 16 m
- Vandergriff Trail Middle Loop - mtb, network lcn, operator US:AR:Fayetteville, 0.6 km, ascent 13 m, descent 7 m