| "High 5" | | Comlara Park | | 1,650 ft | -17 ft | 7 ft |
| # 1 Twisted Sister | | Lake Storey | | 3,612 ft | -15 ft | 11 ft |
| .30 Cal | | Atwood Park Trails | | 3,123 ft | -52 ft | 48 ft |
| 051D | | Lake Glendale Recreation Area | | 3,714 ft | -55 ft | 7 ft |
| 052A | | Lake Glendale Recreation Area | | 876 ft | -12 ft | |
| 052B | | Lake Glendale Recreation Area | | 1,060 ft | | 19 ft |
| 059A | | Lake Glendale Recreation Area | | 1,283 ft | | 4 ft |
| 060 | | Lake Glendale Recreation Area | | 709 ft | | 16 ft |
| 116 Ravine | | Wildlife Prairie Park | | 3,586 ft | -66 ft | 102 ft |
| 159th St. Bikeway - crossing 2 | | Will County | | 128 ft | | |
| 26th Street Connector | | Brookfield Woods | | 459 ft | | |
| 3 Ravines (ORANGE) | | Palos Forest Preserve | | 4,862 ft | -145 ft | 64 ft |
| 4-5 Connector | | Independence Park | | 118 ft | | |
| 4. | | Independence Park | | 2,776 ft | -90 ft | 84 ft |
| 4a | | Independence Park | | 2,457 ft | -57 ft | 65 ft |
| 4x Drops Loop | | Andres Bike Park | | 407 ft | -9 ft | 3 ft |
| 5 Fingers of Fun | | Wildlife Prairie Park | | 5,171 ft | -186 ft | 180 ft |
| 5. | | Independence Park | | 2 miles | -320 ft | 237 ft |
| 5A | | Independence Park | | 892 ft | -48 ft | |
| A line | | Beulah Park Nature Area | | 151 ft | | 5 ft |
| A Loop | | Spring Lake Park | | 1 mile | -139 ft | 141 ft |
| A-Flow Alternate | | Fort Creve Coeur | | 427 ft | -76 ft | |
| AA (Easy A) | | Fay Pickering Memorial Trails @ Mill Creek Park | | 2 miles | -139 ft | 140 ft |
| access | | Tinley Creek Forest Preserve | | 154 ft | | |
| Access Connector | | Lake Storey | | 456 ft | | 15 ft |
| Access Path | | Beulah Park Nature Area | | 299 ft | -3 ft | |
| Access Road | | Green River SWA | | 1 mile | -18 ft | 16 ft |
| Access Road | | Lake Eureka Park | | 4,911 ft | -23 ft | 67 ft |
| Access Road | | Henneberry Forest Preserve | | 1,125 ft | -3 ft | 9 ft |
| Access Trail | | Martinsville Ridgelawn Biking and Hiking Trails | | 276 ft | | |
| Access Trail | | Skokie Lagoons | | 89 ft | | 3 ft |
| Access Trail | | The Garden Dirt Jumps & Bike Park | | 102 ft | | |
| Adrenaline Flow | | Fort Creve Coeur | | 2,470 ft | -172 ft | |
| Adrenaline Flow - Upper Bypass | | Fort Creve Coeur | | 72 ft | -3 ft | |
| Ag Pass | | Lake Shelbyville Trails | | 4,603 ft | -31 ft | 65 ft |
| Ag Pass Loop | | Lake Shelbyville Trails | | 2,408 ft | -21 ft | 34 ft |
| Airstrip Trail | | Brunner Family Forest Preserve | | 4,416 ft | -26 ft | |
| Albany Mounds Path | | Albany Mounds Historic Area | | 912 ft | -8 ft | 3 ft |
| Albany Mounds Path | | Albany Mounds Historic Area | | 2,936 ft | -27 ft | 17 ft |
| Albany Mounds Path | | Albany Mounds Historic Area | | 1,713 ft | -36 ft | 39 ft |
| Albany Mounds Path | | Albany Mounds Historic Area | | 2,756 ft | -54 ft | 13 ft |
| Albany Mounds Path | | Albany Mounds Historic Area | | 617 ft | | 6 ft |
| Alt Creekside | | Farmdale Reservoir | | 2,986 ft | -48 ft | 19 ft |
| Alt Kevlar | | Everett McKinley Dirksen Park | | 1,841 ft | | 91 ft |
| Alternate Line | | Beulah Park Nature Area | | 757 ft | -18 ft | 10 ft |
| Anaconda (GREEN) | | Saw Wee Kee Park | | 3,054 ft | -19 ft | 18 ft |
| Anderson Blue Trail | | Anderson Park | | 1,355 ft | -8 ft | 18 ft |
| Anderson Teal Trail | | Anderson Park | | 299 ft | | 7 ft |
| Andres Access Path | | Andres Bike Park | | 607 ft | | 26 ft |
| Andres Bike Access Road | | Andres Bike Park | | 676 ft | -30 ft | |
| Andres Flow | | Andres Bike Park | | 2,703 ft | -46 ft | 30 ft |
| Archer Alley | | North Marcum Mountain Bike Trails | | 2,123 ft | | |
| Archery range | | Everett McKinley Dirksen Park | | 1,467 ft | -4 ft | 6 ft |
| Archery range | | Everett McKinley Dirksen Park | | 997 ft | | 8 ft |
| Archery Range Trailhead | | Everett McKinley Dirksen Park | | 509 ft | -44 ft | |
| Argyle Lake Loop Connector Trail | | Argyle Lake State Park | | 1,306 ft | | 8 ft |
| Argyle Lake Loop Trail | | Argyle Lake State Park | | 7 miles | -341 ft | 344 ft |
| Argyle Lake Side Loop | | Argyle Lake State Park | | 1,129 ft | | |
| Argyle Lake Side Loop | | Argyle Lake State Park | | 551 ft | | |
| Arizona Long | | Rock Cut State Park | | 423 ft | -21 ft | |
| Arrowhead Lake Loop Nature Trail | | Johnston City | | 2 miles | -31 ft | 34 ft |
| Aster Trail | | West DuPage Woods Forest Preserve | | 1,217 ft | -2 ft | |
| Avery Preserve Loop | | Four Seasons West / Avery Preserve | | 2,687 ft | -8 ft | 5 ft |
| Avery Preserve Trail | | Four Seasons West / Avery Preserve | | 600 ft | -2 ft | |
| Avery Preserve Trail | | Four Seasons West / Avery Preserve | | 302 ft | -2 ft | |
| Avery Preserve Trail | | Four Seasons West / Avery Preserve | | 427 ft | | |
| Azrael | | Ulrich Wildlife Preserve | | 860 ft | -22 ft | 3 ft |
| Baby Rat | | Spring Lake Park | | 581 ft | -3 ft | 5 ft |
| Baby Rat Connector 1 | | Spring Lake Park | | 131 ft | | |
| Baby Rat Connector 2 | | Spring Lake Park | | 39 ft | | |
| Baby Rat Loop | | Spring Lake Park | | 3,432 ft | -91 ft | 98 ft |
| Back and Forth | | Jon J Duerr Forest Preserve | | 180 ft | | 3 ft |
| Back Forty | | Fort Creve Coeur | | 1,772 ft | -94 ft | 14 ft |
| Back Loop | | Big Marsh Bike Park | | 1,430 ft | | |
| Back to the Path | | Rock Cut State Park | | 536 ft | -27 ft | |
| Back Trail | | Farmdale Reservoir | | 2,608 ft | -74 ft | |
| Back Yard | | Palos Forest Preserve | | 1,434 ft | -11 ft | 27 ft |
| Backwoods | | Andres Bike Park | | 486 ft | -26 ft | |
| Bailey Hobson Woods Trail | | Naperville | | 1,814 ft | -22 ft | |
| Barred Owl Trail | | Comlara Park | | 2,054 ft | -24 ft | 11 ft |
| Barred Owl Trail | | Comlara Park | | 1,339 ft | -16 ft | 13 ft |
| Bartlett Community Center Path | | Bartlett | | 758 ft | | 5 ft |
| Bartlett Community Center Path | | Bartlett | | 1,050 ft | | 3 ft |
| Bay Creek | | Eddyville | | 3 miles | -232 ft | 263 ft |
| Bay Creek | | Eddyville | | 1 mile | -58 ft | 39 ft |
| Bay Creek Trail #030 | | Eddyville | | 4 miles | -241 ft | 341 ft |
| Bear Branch #472 | | Eddyville | | 3,724 ft | -77 ft | 19 ft |
| Beaver Fever | | Touch Of Nature | | 3,330 ft | -25 ft | 20 ft |
| Beaver Trail | | Oakhurst Forest Preserve | | 1,070 ft | -3 ft | 5 ft |
| Beaver Trail | | Oakhurst Forest Preserve | | 1,253 ft | -2 ft | |
| Beaver Trail #006 | | Pounds Hollow | | 6 miles | -525 ft | 708 ft |
| Beck Lake Green Spur | | Beck Lake - Big Bend | | 906 ft | | |
| Beginner Jump Line | | Andres Bike Park | | 545 ft | -11 ft | |
| Bemis Woods Purple Trail | | Bemis Woods | | 863 ft | -3 ft | |
| Bemis Woods South Black Unpaved Spur | | Bemis Woods | | 1,588 ft | -3 ft | 3 ft |
| Bench | | Jubilee College State Park | | 2,087 ft | -49 ft | 35 ft |
| BergerBridge | | Wildlife Prairie Park | | 187 ft | -4 ft | |
| Besinger Way | | Raceway Woods Forest Preserve | | 1,778 ft | -19 ft | 26 ft |
| Bicentennial Lake Loop | | Tinley Park | | 1,437 ft | | 3 ft |
| Bicentennial Park - Centennial Drive Access | | Tinley Park | | 167 ft | | |
