| Crank It Up - Upper | | Whistler Mountain Bike Park | Whistler | BC | | 5 |
| Crank It Up - Lower | | Whistler Mountain Bike Park | Whistler | BC | | 8 |
| Canadian Open Course - Upper | | Whistler Mountain Bike Park | Whistler | BC | | 25 |
| Crinkum Crankum | | Mount Fromme | North Vancouver | BC | | 38 |
| Captain Ahab (lower) | | Amasa Back | Moab | UT | | 61 |
| Climb Trail - Stl'lhalem Sintl' | | Diamond Head | Squamish | BC | | 62 |
| Climb Trail - Stl'lhalem Sintl' (mid) | | Diamond Head | Squamish | BC | | 64 |
| Crank It More | | Whistler Mountain Bike Park | Whistler | BC | | 82 |
| Corkscrew | | Mount Seymour | North Vancouver | BC | | 87 |
| Credit Line | | Alice Lake & Highlands | Squamish | BC | | 128 |
| Captain Ahab (upper) | | Amasa Back | Moab | UT | | 137 |
| Crinkum Access | | Mount Fromme | North Vancouver | BC | | 139 |
| Cedar Dust | | Galbraith | Bellingham | WA | | 145 |
| Crabapple Hits | | Whistler Mountain Bike Park | Whistler | BC | | 181 |
| Connector Trail | | Tiger Mountain State Forest | Issaquah | WA | | 192 |
| Cardiac Bypass | | Mount Seymour | North Vancouver | BC | | 196 |
| Cheech and Chong's Wild Ride | | Galbraith | Bellingham | WA | | 219 |
| Canyon Hollow | | Corner Canyon | Draper | UT | | 247 |
| Cliff's Corners | | Alice Lake & Highlands | Squamish | BC | | 250 |
| Cardie Hill Climb | | Glentress | Peebles | | | 272 |
| Chipline #2 | | Daisy Hill | Brisbane | | | 285 |
| Choo Choo | | Slaughter Pen Trails | Bentonville | AR | | 289 |
| Connector | | Raging River State Forest | Snoqualmie | WA | | 296 |
| Challenge Roadside | | Whakarewarewa Forest | Rotorua | | | 342 |
| Cat's Paw | | Highland Mountain Bike Park | Northfield | NH | | 355 |
| C-Buster | | Mount Seymour | North Vancouver | BC | | 368 |
| Cedar Dust Blue Jump Line | | Galbraith | Bellingham | WA | | 372 |
| Clarks Trail | | Corner Canyon | Draper | UT | | 374 |
| CMG Downhill | | Park City Mountain Resort | Park City | UT | | 376 |
| Challenge DH | | Whakarewarewa Forest | Rotorua | | | 396 |
| Comfortably Numb (Foreplay Descent) | | Whistler North | Whistler | BC | | 397 |
| Corral Trail (Lower) #18E14 | | Corral | South Lake Tahoe | CA | | 406 |
| Crouching Squirrel Hidden Monkey | | Alice Lake & Highlands | Squamish | BC | | 419 |
| Cockatoo Switch Backs | | Stromlo Forest Park | Canberra | | | 429 |
| Cedar Rock Trail | | Dupont State Recreational Forest | Cedar Mountain | NC | | 432 |
| Coronary Bypass | | Kingdom Trails | East Burke | VT | | 490 |
| Coronary | | Kingdom Trails | East Burke | VT | | 495 |
| City View | | Stromlo Forest Park | Canberra | | | 515 |
| Canyon of Fools | | Dry Creek | Sedona | AZ | | 534 |
| CMG | | Park City Mountain Resort | Park City | UT | | 547 |
| Crossroads Trail | | Whistler Mountain Bike Park | Whistler | BC | | 560 |
| Caddytrack | | Forest Heights | Edmonton | AB | | 566 |
| Colorado River bike path | | Moab | Moab | UT | | 594 |
| Central Scrutinizer | | Lost Lake | Whistler | BC | | 608 |
| Climb Access to HSL | | Mount Seymour | North Vancouver | BC | | 633 |
| Corral Trail (Upper) #18E14 | | Corral | South Lake Tahoe | CA | | 636 |
| Canyon Hollow Alt | | Corner Canyon | Draper | UT | | 640 |
| Cady Hill Climb - Lower | | Cady Hill Forest | Stowe | VT | | 645 |
| Crestino Pt. 1 #95 | | Finale Outdoor Region | Finale Ligure | | | 683 |
| Cressy Descent #13 | | You Yangs | Melbourne | | | 702 |
| Chutes Ridgeline | | Santiago Oaks | Orange | CA | | 758 |
| Cinderella | | Joaquin Miller Park (JMP) | Oakland | CA | | 774 |
| Cholla Mtn. Loop | | McDowell Sonoran Preserve | Fountain Hills | AZ | | 810 |
| Cream Puff | | Mosquito Lake | Pemberton | BC | | 817 |
| Corridor | | Whakarewarewa Forest | Rotorua | | | 819 |
| Curts Lane | | Lunch Loops | Grand Junction | CO | | 828 |
| Coal not Dole | | BikePark Wales | Abercanaid | | | 847 |
| Cool Runnings | | Glentress | Peebles | | | 854 |
| Culvert Trail | | Auburn State Recreation Area | Auburn | CA | | 871 |
| Clown Shoes | | Whistler Mountain Bike Park | Whistler | BC | | 888 |
| Cedar Dust Green Jump Line | | Galbraith | Bellingham | WA | | 903 |
| Charlie's - To Substation | | Cady Hill Forest | Stowe | VT | | 904 |
| Crebra Climb | | Gap Creek Reserve | Brisbane | | | 914 |
| Cravarezza #98 | | Finale Outdoor Region | Finale Ligure | | | 917 |
| Cottonwood Canyon | | North Table Mountain Park | Golden | CO | | 921 |
| Caddon Bank | | Innerleithen Trails | Innerleithen | | | 936 |
| Canyon of Fools (Upper) | | Dry Creek | Sedona | AZ | | 942 |
| Confluence Trail | | Auburn State Recreation Area | Auburn | CA | | 977 |
| Challenge Rockdrop Link | | Whakarewarewa Forest | Rotorua | | | 991 |
| Camel Run | | Kalamunda | Perth | | | 1014 |
| Cedar Dust Black Jump Line | | Galbraith | Bellingham | WA | | 1034 |
| Chipmunk Rebellion (Lower) | | Westside - Sproatt | Whistler | BC | | 1039 |
| Corners | | Whakarewarewa Forest | Rotorua | | | 1053 |
| Carnivore (6) | | Bunyaville Conservation Park | Brisbane | | | 1058 |
| Corona Conn | | South Mountain Preserve | Phoenix | AZ | | 1059 |
| Curt's Down | | Lunch Loops | Grand Junction | CO | | 1068 |
| C Line | | Corner Canyon | Draper | UT | | 1074 |
| Creek Track (4) | | Bunyaville Conservation Park | Brisbane | | | 1080 |
| Camakazi | | Kalamunda | Perth | | | 1101 |
| Chasing Squirrels | | Swan Creek Park | | WA | | 1102 |
| CBC | | Mount Seymour | North Vancouver | BC | | 1114 |
| Creek Access | | Bunyaville Conservation Park | Brisbane | | | 1139 |
| Chutes | | Santiago Oaks | Orange | CA | | 1148 |
| Cross Town Jumps | | Mosquito Lake | Pemberton | BC | | 1153 |
| Coco Race | | Phil's World | Cortez | CO | | 1160 |
| Creepy Corner | | The Hydrocut | Kitchener-Waterloo | ON | | 1180 |
| Creekside Boogie II | | Mill Creek Ravine | Edmonton | AB | | 1197 |
| Cholla | | Aliso and Wood Canyons Wilderness Park | Aliso Viejo | CA | | 1205 |
| Chuck Wagon | | Dry Creek | Sedona | AZ | | 1229 |
| Cat Scratch Fever | | Highland Mountain Bike Park | Northfield | NH | | 1259 |
| Canyon Creek DH | | Raging River State Forest | Snoqualmie | WA | | 1270 |
| Chocolate Buddha | | Daisy Hill | Brisbane | | | 1277 |
| Capilano Cresent | | Gold Bar/Capilano Park | Edmonton | AB | | 1286 |
| Challenge Exit | | Whakarewarewa Forest | Rotorua | | | 1291 |
| Cease and Desist | | Coler Mountain Bike Preserve | Bentonville | AR | | 1347 |
| Crossroads | | Whistler Mountain Bike Park | Whistler | BC | | 1357 |
| Canyon Hollow (Silica Pit) | | Corner Canyon | Draper | UT | | 1358 |
| Climb Trail - Stl'lhalem Sintl' (upper) | | Diamond Head | Squamish | BC | | 1360 |
| Crazy Ivan | | Tokul East | Fall City | WA | | 1363 |
| Crabapple Turns | | Whistler Mountain Bike Park | Whistler | BC | | 1364 |