| Lower Deer Run Trail | IL | 0.3 mi | — | race | — |
| Middlefork Trail - Deerfield High School To Half Day Rd | IL | 0.9 mi | — | race | — |
| Raceway Trail | IL | 3.4 mi | 149 ft | race | — |
| Brunner Trail | IL | 3.5 mi | 11 ft | race | — |
| Shawnee Hills 50K | IL | 32.8 mi | 2,949 ft | race | — |
| Blue Spur | IL | 0.1 mi | — | route | — |
| Outer Ring Loop Forest Bypass Connector | IL | 0.1 mi | — | route | — |
| Red White Segment | IL | 0.1 mi | — | route | — |
| Eagle Ridge | IL | 0.1 mi | 46 ft | route | — |
| Interior Canyon Trail - Tonty Canyon | IL | 0.1 mi | 19 ft | route | — |
| Westwood Trail | IL | 0.1 mi | — | route | — |
| Trail 5 | IL | 0.1 mi | 33 ft | route | — |
| Inner Loop Connector E | IL | 0.1 mi | 30 ft | route | — |
| Northern Red Yellow Connector | IL | 0.1 mi | — | route | — |
| Trade Shops Connector Trail | IL | 0.1 mi | — | route | — |
| Interior Canyon Trail - Ottawa Canyon | IL | 0.1 mi | 38 ft | route | — |
| Inner Loop Connector D | IL | 0.1 mi | 15 ft | route | — |
| Creek Trail | IL | 0.1 mi | — | route | — |
| Inner Loop Connector C | IL | 0.1 mi | — | route | — |
| Red White Loop | IL | 0.1 mi | — | route | — |
| Inner Loop Connector A | IL | 0.1 mi | — | route | — |
| Green Spur | IL | 0.1 mi | — | route | — |
| Waterfall Glen | IL | 0.2 mi | 26 ft | route | — |
| Mills Sky Viewing Sanctuary Trail | IL | 0.2 mi | — | route | — |
| Southwoods Loop Trail (Blue Trail Markers) | IL | 0.2 mi | 30 ft | route | — |
| Camelback Glacial Kame Connector | IL | 0.2 mi | 11 ft | route | — |
| Oak Ridge Marsh | IL | 0.2 mi | — | route | — |
| White Trail | IL | 0.2 mi | — | route | — |
| Oak Ridge Marsh Outer Track | IL | 0.2 mi | — | route | — |
| Sycamore Loop | IL | 0.2 mi | — | route | — |
| Whistler | IL | 0.2 mi | — | route | — |
| Walnut Trail Connector A | IL | 0.2 mi | — | route | — |
| Walnut Trail Connector B | IL | 0.2 mi | 15 ft | route | — |
| Northern Blue White | IL | 0.2 mi | — | route | — |
| Kiwanis Park Connector Trail | IL | 0.2 mi | — | route | — |
| Giant's Hollow Trail | IL | 0.2 mi | 11 ft | route | — |
| Cooke Overlook Trail | IL | 0.2 mi | — | route | — |
| Monarch Trail | IL | 0.2 mi | 16 ft | route | — |
| Trail #049D | IL | 0.2 mi | — | route | — |
| Galena View Trail (ADA Accessible) | IL | 0.2 mi | — | route | — |
| Inner Loop Central Connector | IL | 0.2 mi | — | route | — |
| Oriole Trail | IL | 0.2 mi | — | route | — |
| Fox Trail Inter-loop | IL | 0.2 mi | 17 ft | route | — |
| Oak Point Trail | IL | 0.2 mi | — | route | — |
| Birch Loop | IL | 0.2 mi | 16 ft | route | — |
| Oz Park Garden Path | IL | 0.2 mi | — | route | — |
| Ridge Trail | IL | 0.2 mi | 159 ft | route | — |
| Interior Canyon Trail - St. Louis Canyon | IL | 0.2 mi | 112 ft | route | — |
| North System Climb | IL | 0.3 mi | 104 ft | route | — |
| Outer Loop Alternate | IL | 0.3 mi | — | route | — |
| South Shore Nature Center Trail | IL | 0.3 mi | — | route | — |
| Orange Spur | IL | 0.3 mi | 31 ft | route | — |
| Campground Trail | IL | 0.3 mi | — | route | — |
| Interior Canyon Trail - French Canyon | IL | 0.3 mi | 100 ft | route | — |
| Hickman Wildflower Walk | IL | 0.3 mi | — | route | — |
| Northern Illinois Trail | IL | 0.3 mi | 40 ft | route | — |
| Sugar Maple Trail | IL | 0.3 mi | 11 ft | route | — |
| Rebman Trail | IL | 0.3 mi | 45 ft | route | — |
| Conifer Loop | IL | 0.3 mi | 11 ft | route | — |
| Gompers Park Trail | IL | 0.3 mi | — | route | — |
| Turtle Pond Trail | IL | 0.3 mi | — | route | — |
| South System Descent | IL | 0.3 mi | — | route | — |
| Valley Trail | IL | 0.3 mi | 15 ft | route | — |
| Hartmann Park Walking Trail | IL | 0.3 mi | — | route | — |
| Merrill Woods Trail | IL | 0.3 mi | 20 ft | route | — |
| Sunset Nature Trail | IL | 0.3 mi | 76 ft | route | — |
| Northside Trail | IL | 0.3 mi | — | route | — |
| Hilltop Prairie Trail | IL | 0.3 mi | — | route | — |
| Shelter Access Trail | IL | 0.3 mi | — | route | — |
| Gander Mountain Ridge | IL | 0.3 mi | 40 ft | route | — |
| Pomona Natural Bridge Trail | IL | 0.3 mi | 14 ft | route | — |
| Post Oak Trail | IL | 0.3 mi | 42 ft | route | — |
| East Cutover Trail | IL | 0.3 mi | — | route | — |
| Devils Standtable | IL | 0.3 mi | 75 ft | route | — |
| Godshalk Meadow Trail | IL | 0.3 mi | — | route | — |
| Central Connector Forest Bypass Trail | IL | 0.3 mi | — | route | — |
| Valley Trail Loop | IL | 0.3 mi | 27 ft | route | — |
| Stonefort Trail | IL | 0.3 mi | 65 ft | route | — |
| North Island Loop Trail | IL | 0.3 mi | — | route | — |
| Bluff Trail Extension | IL | 0.3 mi | 77 ft | route | — |
| Trail 2 | IL | 0.3 mi | — | route | — |
| Galena View Trail | IL | 0.3 mi | — | route | — |
| Forest Trail | IL | 0.4 mi | 27 ft | route | — |
| Eugene Field Park Connector Trail | IL | 0.4 mi | — | route | — |
| Alfred Caldwell Lily Pool Loop | IL | 0.4 mi | — | route | — |
| Inner Loop to Central Connector Trail | IL | 0.4 mi | — | route | — |
| Lakefront Alternate Trail | IL | 0.4 mi | — | route | — |
| Big Rocky Hollow Trail | IL | 0.4 mi | 62 ft | route | — |
| Blue White Loop | IL | 0.4 mi | 13 ft | route | — |
| Trail #486 | IL | 0.4 mi | 22 ft | route | — |
| Trail #048C | IL | 0.4 mi | 58 ft | route | — |
| Acre Trail | IL | 0.4 mi | — | route | — |
| Northeast Lake Loop | IL | 0.4 mi | — | route | — |
| South Grasslands Trail (Purple Trail Markers) | IL | 0.4 mi | — | route | — |
| Outer Loop Cutoff Trail | IL | 0.4 mi | 11 ft | route | — |
| Blue White Alternate Route | IL | 0.4 mi | — | route | — |
| Swamp White Oak Trail | IL | 0.4 mi | — | route | — |
| Field 1-4 Loop | IL | 0.4 mi | — | route | — |
| Purple Trail | IL | 0.4 mi | — | route | — |
| Sag Valley Trail: Purple Connector | IL | 0.4 mi | — | route | — |
| Trail #049E | IL | 0.4 mi | 45 ft | route | — |
| Rosewood | IL | 0.4 mi | 36 ft | route | — |
| North System Descent | IL | 0.4 mi | 17 ft | route | — |
| Gander Mountain North | IL | 0.4 mi | — | route | — |
| Connecting Trail - Starved Rock | IL | 0.4 mi | 11 ft | route | — |
| Lake Marmo Trail | IL | 0.4 mi | — | route | — |
| Fox River Forest Preserve Trail | IL | 0.4 mi | — | route | — |
| Pink Trail | IL | 0.4 mi | — | route | — |
| Conifer Walk | IL | 0.4 mi | 36 ft | route | — |
| Bunny Trail | IL | 0.4 mi | 51 ft | route | — |
| Devil's Cliff | IL | 0.4 mi | — | route | — |
| Inner Loop to Outer Ring Property View Trail | IL | 0.4 mi | — | route | — |
| Lower Dam Trail | IL | 0.4 mi | 29 ft | route | — |
| McDonald Woods Forest Preserve Trail | IL | 0.4 mi | 19 ft | route | — |
| Interior Canyon Trail | IL | 0.4 mi | 23 ft | route | — |
| Lakeview Parkway Access Trail | IL | 0.4 mi | 11 ft | route | — |
| Ray Lake Forest Preserve Trail | IL | 0.4 mi | — | route | — |
| Connecting Trail - French Canyon | IL | 0.4 mi | 43 ft | route | — |
| Trail 7UP | IL | 0.5 mi | 22 ft | route | — |
| Flossmoor Road Alternate Trail | IL | 0.5 mi | — | route | — |
| South Loop | IL | 0.5 mi | 14 ft | route | — |
| Borneo | IL | 0.5 mi | 34 ft | route | — |
| Bill Jarvis Migratory Bird Sanctuary Loop Trail | IL | 0.5 mi | 11 ft | route | — |
| Ronan Park Trail | IL | 0.5 mi | — | route | — |
| West Extension | IL | 0.5 mi | — | route | — |
| Dogwood Trail | IL | 0.5 mi | 98 ft | route | — |
| Morton Arboretum West: Main Trail Loop 4 | IL | 0.5 mi | 29 ft | route | — |
| Halsted Woods Trail | IL | 0.5 mi | 12 ft | route | — |
| Possum Path | IL | 0.5 mi | 119 ft | route | — |
| Middlefork Savanna Forest Preserve Trail | IL | 0.5 mi | — | route | — |
| Beaver Trail | IL | 0.5 mi | — | route | — |
| Wilderness Trail | IL | 0.5 mi | 152 ft | route | — |
| Pond View Trail | IL | 0.5 mi | — | route | — |
| Lower Trail | IL | 0.5 mi | — | route | — |
| Nature Trail | IL | 0.5 mi | — | route | — |
| Spillway | IL | 0.5 mi | 11 ft | route | — |
| Primrose Nature Trail | IL | 0.5 mi | 33 ft | route | — |
| 0.5 Mile Loop | IL | 0.5 mi | 12 ft | route | — |
| Alt Creekside | IL | 0.5 mi | — | route | — |
| Eagle Trail | IL | 0.5 mi | 33 ft | route | — |
| Oz Park Loop Trail | IL | 0.5 mi | — | route | — |
| Promontory Point Trail | IL | 0.5 mi | — | route | — |
| Grass Trail | IL | 0.5 mi | — | route | — |
| South Connector Trail | IL | 0.5 mi | — | route | — |
| Observation Trail | IL | 0.5 mi | 85 ft | route | — |
| Trail 1 | IL | 0.5 mi | — | route | — |
| West Algonquin Rd. Trail | IL | 0.5 mi | — | route | — |
| Blue Trail | IL | 0.5 mi | 29 ft | route | — |
| Hawk's Cave Trail | IL | 0.5 mi | 39 ft | route | — |
| Half Day Forest Preserve Trail | IL | 0.5 mi | — | route | — |
| Waterfall Trail | IL | 0.5 mi | 50 ft | route | — |
| Bee Tree Trail Loop | IL | 0.5 mi | — | route | — |
| Central Trail Loop | IL | 0.5 mi | — | route | — |
| Blue Chevy Trail | IL | 0.5 mi | 69 ft | route | — |
| Grassy Lake Red Trail | IL | 0.5 mi | 11 ft | route | — |
| Coreopsis Trail | IL | 0.6 mi | — | route | — |
| Horseshoe Loop Trail | IL | 0.6 mi | 170 ft | route | — |
| Middlefork Greenway Connector Trail | IL | 0.6 mi | — | route | — |
| Oxbow Lake Trail | IL | 0.6 mi | — | route | — |
| Rainbow Beach Park Trail | IL | 0.6 mi | — | route | — |
| Bobolink Trail | IL | 0.6 mi | 12 ft | route | — |
| Woodland Trail | IL | 0.6 mi | 35 ft | route | — |
| Connector Trail | IL | 0.6 mi | — | route | — |
| Interior Canyon Trail - LaSalle Canyon | IL | 0.6 mi | 66 ft | route | — |
| Riverside Recreational Path | IL | 0.6 mi | 10 ft | route | — |
| Meadow Lake Trail | IL | 0.6 mi | — | route | — |
| Independence Grove Forest Preserve Trail | IL | 0.6 mi | — | route | — |
| Back Trail | IL | 0.6 mi | 88 ft | route | — |
| Bob Link Arboretum Trail | IL | 0.6 mi | — | route | — |
| Sweet Gum Trail | IL | 0.6 mi | 32 ft | route | — |
| Trail #105 | IL | 0.6 mi | 102 ft | route | — |
| North System Upper Loop | IL | 0.6 mi | 24 ft | route | — |
| Ball Field - Boathouse Connector Path | IL | 0.6 mi | — | route | — |
| Interior Canyon Trail - Illinois Canyon | IL | 0.6 mi | 73 ft | route | — |
| Lakewood Forest Preserve Trail | IL | 0.6 mi | — | route | — |
| South System Climb | IL | 0.6 mi | 85 ft | route | — |
| Raven Glen Forest Preserve Trail | IL | 0.6 mi | — | route | — |
| Hollows Picnic Grove Trail | IL | 0.6 mi | — | route | — |
| Prairie Wolf Forest Preserve Trail | IL | 0.7 mi | — | route | — |
| Birch Trail | IL | 0.7 mi | 46 ft | route | — |
| Vermillion River Trail | IL | 0.7 mi | 170 ft | route | — |
| River Route Nature Trail | IL | 0.7 mi | 133 ft | route | — |
| Trail #481A | IL | 0.7 mi | — | route | — |
| Nature Boardwalk | IL | 0.7 mi | — | route | — |
| Roy-L | IL | 0.7 mi | 11 ft | route | — |
| Thornhill Trail | IL | 0.7 mi | 57 ft | route | — |
| Sculpture Garden Path | IL | 0.7 mi | — | route | — |
| Indian Creek Trail | IL | 0.7 mi | 45 ft | route | — |
| Bicentennial Park Walking Trail | IL | 0.7 mi | 39 ft | route | — |
| Geographic Trail | IL | 0.7 mi | 25 ft | route | — |
| Knobeloch Nature Preserve | IL | 0.7 mi | 107 ft | route | — |
| Warrenville Grove Trail | IL | 0.7 mi | 27 ft | route | — |
| East Preserve Connector Trail | IL | 0.7 mi | — | route | — |
| Overlook Loop | IL | 0.7 mi | 58 ft | route | — |
| Baby Rat | IL | 0.7 mi | 63 ft | route | — |
| W. Cuba Trail | IL | 0.7 mi | — | route | — |
| Pine Ridge Nature Trail | IL | 0.7 mi | 114 ft | route | — |
| Steelworkers Park Loop Trail | IL | 0.7 mi | — | route | — |
| Canton Lake Nature Trail - Blue Route | IL | 0.7 mi | 11 ft | route | — |
| Loop Trail | IL | 0.7 mi | — | route | — |