Routes
- STKP Resevna - Uršula - Boč - mtb crosscountry, network ncn
- STKP Ribniška koča – Dom na Košenjaku - mtb trial, network ncn, 4.9 km, ascent 31 m, descent 265 m
- STKP Ruška koča – Ribniška koča - mtb crosscountry, network ncn, operator PZS
- STKP-25 - mtb, network ncn, 3.8 km, ascent 1 m, descent 331 m
- Stoa Alm Route - mtb, network lcn
- Stockby MTB - mtb, 5.4 km, ascent 89 m, descent 89 m
- Stockerhof - mtb, operator Land Tirol
- Stöckerkopf-Tour - mtb, network lcn
- Stoderzinken Runde - mtb, network lcn, 37.3 km, ascent 1327 m, descent 1326 m
- Stoffelswald-Trail - mtb, network lcn, 0.7 km, ascent 61 m, descent 0 m
- Stoißer Alm von Anger - mtb crosscountry, operator Berchtesgadener Land, 9.3 km, ascent 717 m, descent 12 m
- Stökspåret (nedre) - mtb downhill, 0.5 km, ascent 0 m, descent 61 m
- Stomp Wallaby - mtb, 1.4 km, ascent 40 m, descent 40 m
- Stone Hut Trail - mtb, network lcn, 0.5 km, ascent 34 m, descent 12 m
- Stone Valley - mtb, 2 km, ascent 1 m, descent 247 m
- Stonefly - mtb crosscountry, 10.1 km, ascent 488 m, descent 490 m
- Stoneman Dolomiti-Bike - mtb crosscountry, network lcn
- Stoneman Miriquidi - mtb crosscountry, network rcn
- Stoner - mtb, network lcn, 1.7 km, ascent 0 m, descent 272 m
- Stonewall - mtb
- Stony - mtb, 0.8 km, ascent 0 m, descent 115 m
- Stony Creek Metropark Trolly Trails - mtb
- Stoos Tour - mtb, operator SchwizMobil
- Stoppelberg - mtb, 0.7 km, ascent 0 m, descent 41 m
- Stora Lunsen - mtb crosscountry, 16 km, ascent 112 m, descent 83 m
- Store Hareskov - mtb allmountain
- Storey Burn Trail - mtb crosscountry, 6.1 km, ascent 260 m, descent 218 m
- Storkärr - Länna ind - mtb, network lcn
- Storn Alm-Runde - mtb, network lcn, operator Ramsau am Dachstein, 40.1 km, ascent 1352 m, descent 1334 m
- Stortallsrundan 1 - mtb, 1.7 km, ascent 31 m, descent 22 m
- Stortallsrundan 3 - mtb, 1.1 km, ascent 9 m, descent 8 m
- Stortallsrundan anslutning - mtb, 3.9 km, ascent 30 m, descent 27 m
- Stoupák - mtb singletrack, operator Šemberské stezky z.s.
- Strada Comunità Montana - mtb, 17 km, ascent 710 m, descent 469 m
- Strada Della Cappelletta - mtb crosscountry, network lcn, operator Finale Outdoor Region, 2.9 km, ascent 206 m, descent 55 m
- Strada della Cava - mtb, network lcn, operator Finale Outdoor Region, 2 km, ascent 284 m, descent 93 m
- Strada della Gatelle - mtb, network lcn, operator Finale Outdoor Region, 2.4 km, ascent 166 m, descent 211 m
- strade bianche Cave-Paliano - mtb, 3 km, ascent 28 m, descent 29 m
- Straight rythm - mtb, 0.3 km, ascent 2 m, descent 0 m
- Straight, No Chaser - mtb, 0.2 km, ascent 3 m, descent 0 m
- STRAIGHTline - mtb, network lcn
- Stråsø Plantage - Øst MTB - mtb, 6.6 km, ascent 40 m, descent 41 m
- Stråsø Plantage - Vest MTB - mtb allmountain, operator Ulfbord Cykelklub
- Straubinghaus-Eggenalm - mtb crosscountry, operator Tirol, 10.6 km, ascent 954 m, descent 16 m
- Strawberry Jack 710 - mtb crosscountry, 5.9 km, ascent 23 m, descent 343 m
- Streamhill Loop - mtb, operator Coillte
- Strega - mtb allmountain, 2.2 km, ascent 104 m, descent 133 m
- Střezivojický důl - mtb, network lcn, operator Kokořínské stezky z.s., 1.9 km, ascent 7 m, descent 50 m
- Striebornica trail - mtb, network rcn
- Strinate - mtb enduro, network lcn, operator Finale Outdoor Region, 1 km, ascent 162 m, descent 0 m
- Stringline DH - mtb downhill, 1 km, ascent 2 m, descent 106 m
- Strognano - PLAN3 - mtb, network mtb, operator Comune di Langhirano
- Stroheim - mtb, network lcn, 11 km, ascent 408 m, descent 182 m
- Strohheim - mtb, network lcn
- Strommasten Downhill (SMDH) - mtb, 1.4 km, ascent 4 m, descent 158 m
- Strömsberg MTB - mtb, network lcn
- Strubschlucht Runde - mtb, network lcn
- Stuanbruch-Trail - mtb, network lcn, 6.2 km, ascent 0 m, descent 885 m
- Stuanbruch-Trail - mtb, 0.1 km, ascent 0 m, descent 17 m
- Stub Stewart Free Ride Area - mtb freeride
- Stub Stewart XC Area - mtb crosscountry
- Stubinen - mtb downhill, 1.6 km, ascent 94 m, descent 47 m
- Stubnerkogel Gipfel - mtb, network lcn, operator Gastein Tourismus, 11.5 km, ascent 1032 m, descent 8 m
- Studland Bike Ride - mtb crosscountry, 0.2 km, ascent 0 m, descent 2 m
- Stugna trail - mtb, network lcn, 1.1 km, ascent 11 m, descent 4 m
- Stuibenrunde - mtb, 7.3 km, ascent 335 m, descent 333 m
- Štuoc Bike Park Enduro Trail - mtb
- Stursbøl Plantage MTB Rute - mtb, network lcn, 3.8 km, ascent 17 m, descent 25 m
- Stützerbach Trail - mtb
- Stwardship Trail - mtb, network lcn
- STYLEline - mtb, network lcn, 0.7 km, ascent 0 m, descent 89 m
- Subaru Hollow - mtb
- Subida a Majalinos - mtb, network rcn, operator Comarca de Andorra Sierra de Arcos
- Subida en Bicicleta de Montaña Santuario de la Carrodilla - mtb, network lcn, operator Club Ciclista Barbastro, 11.4 km, ascent 477 m, descent 102 m
- Sucre - mtb enduro, 2.8 km, ascent 2 m, descent 229 m
- Südelhöchi - Ällgäuwlicka - Brienz - mtb allmountain, 23.8 km, ascent 1037 m, descent 1572 m
- Südtiroler Uphilltrail - mtb, operator Wienerwald Trails, 2.6 km, ascent 218 m, descent 5 m
- Südtiroler-Trail - mtb, operator Wienerwald Trails, 2.1 km, ascent 247 m, descent 2 m
- Sufferin' til Sufferage - mtb, network lcn, 0.5 km, ascent 0 m, descent 20 m
- Sugar Bridge - mtb, network lcn, 2.7 km, ascent 82 m, descent 17 m
- Sugar Loop - mtb, 5.7 km, ascent 109 m, descent 109 m
- Sugar Magnolia - mtb crosscountry
- Sugar to Skyline Connector - mtb allmountain, 0.4 km, ascent 33 m, descent 0 m
- Sugar Trail - mtb allmountain, 2.4 km, ascent 137 m, descent 5 m
- Suhia dol - Varvara - mtb, network lcn, operator www.alabak.info, 1.8 km, ascent 0 m, descent 261 m
- Suicide Branch - mtb crosscountry, 2.1 km, ascent 22 m, descent 16 m
- Suiffet - mtb crosscountry, network lcn, operator Station des Karellis, 7.9 km, ascent 267 m, descent 270 m
- SuLeVa - mtb freeride, network lwn, operator Roveta MTB Trail Center
- Suliwoods Kross Trail - mtb, network lcn, operator Stowarzyszenie Rozwoju Masywu Ślęży, 2.9 km, ascent 66 m, descent 65 m
- Sulle orme di Oriani verso il Mandrioli - mtb, network lcn, operator Parco Nazionale Foreste Casentinesi, 25 km, ascent 1065 m, descent 1067 m
- Sulpher Springs - mtb
- Sulzbergrunde - mtb, 18.6 km, ascent 511 m, descent 562 m
- Šumik - mtb, network lcn
- Šumik - mtb, network lcn, 34.4 km, ascent 687 m, descent 896 m
- Summer Lightning - mtb crosscountry, network Friends of Hurtwood
- Summer Madness - mtb, network Friends of Hurtwood, 0.4 km, ascent 0 m, descent 45 m
- Summerhill BMX Track - mtb freeride, 0.5 km, ascent 3 m, descent 3 m
- Summit Loop - mtb, 2.1 km, ascent 52 m, descent 57 m
- Summit School - mtb, network lcn, 2.2 km, ascent 68 m, descent 75 m
- Summit Trail - mtb, 1.9 km, ascent 46 m, descent 3 m