more stats
2.4 miles
Distance
183 ft
Climb
-196 ft
Descent
00:25:46
Avg time
-11 ft
Altitude change
613 ft
Altitude min
657 ft
Altitude max
647 ft
Altitude start
636 ft
Altitude end
-0.1%
Grade
-14.7%
Grade max
13.5%
Grade min
5,052 ft
Distance climb
4,140 ft
Distance down
3,297 ft
Distance flat
00:25:46
Avg time

Boulder Loop Details

  • Activities
    • Mountain Bike
    • Gravel Bike
    • Hike
    • Trail Running
  • Riding Area
    Lake Shelbyville Trails
    Shelbyville, Illinois
  • Difficulty Rating
    Blue Rate
  • Local Popularity
    95 in Mountain Biking [+]
    • 5 in Trail Running
    • 95 in Hiking
  • Global Ranking
    #40385 in Mountain Biking [+]
    • #83518 in Hiking
  • Trail Type
    Singletrack
  • Bike Type
    AM, XC, CX, Gravel
  • Direction
    One Direction
  • Dogs Allowed
    Yes
  • TTFs on Trail
    Berm, Drop, Jump, Gap Jump, Log Ride, Pump Track, Rock Garden, Roller Coaster
  • Land Owner
    U.S. Army Corps of Engineers

No community description for Boulder Loop trail has been added yet!

AI Generated Description

Boulder Loop is a 2 mile popular blue difficulty singletrack trail located near Shelbyville Illinois. This multi-use trail can be used one direction. It features berm, drop, jump, gap jump, log ride, pump track, rock garden and roller coaster. On average it takes 25 minutes to complete this trail.

Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 1 rides
  • 9 miles average
6 Months
  • 21 rides
  • 11 miles avg distance
All
  • 58 rides
  • Last: Aug 24, 2026
c1c2c3c4
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Boulder Loop Trail Reports

statusdatedescription
Jun 17, 2023 @ 8:35am
Jun 17, 2023
Jun 17, 2023 @ 8:35am
Jun 17, 2023
Jan 23, 2023 @ 8:20am
Jan 23, 2023
 Get there at sunrise and go while the ground is still frozen. It’ll thaw pretty early and get muddy fast.
Jun 15, 2020 @ 8:44am
Jun 15, 2020
 Large tree across the trail. Go up the hill to go around it.
more »
Status:
on Jun 17, 2023
Dry
Avg: 4.19 (4 votes)
Your vote: 0

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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Partial
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail Flow (Ridden Direction)
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The colour categories are based on what percentage of users are riding a trail in its intended direction.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
  • no data
Trail Last Ridden
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  • < 2 days
  • < 1 week
  • < 2 weeks
  • < 1 month
  • < 6 months
  • > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
  • Downhill Only
  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction
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  • Photos
  • Description & Photos
  • Videos
Trail Popularity ?
Trailforks scans activity logs to determine which trails are ridden the most in the last 9 months. Trails are compared with nearby trails in the same city region with a possible 25 colour shades. Think of this as a heatmap, more activities = more kinetic energy = warmer colors.
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Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
Heatmap of where users jump on trails. Zoom in to see individual jumps, click circles to view jump details.
BC Backroad Status

Service Road Atlas is a free to use, community-driven service for viewing and creating reports on the numerous back-country service roads around B.C. and Alberta.

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Slope Aspect
Direction the slope faces
Flat N NE E SE S SW W NW
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        Directions to boulder-loop-128450 trailhead (39.428070, -88.788440)
        View on Discover Map

        Photos

        1 more »
        mtb
        139 |
        Sep 27, 2019 @ 11:55am
        Sep 27, 2019

        Videos

        1 more »
        Mountain Biking Lake Shelbyville Trail...
        mtb
        11:52 | 68 | Jul 12, 2025 , Shelbyville

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        1 Review & Comments


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        Nearby Trails

        Lake Shelbyville Trails

        • By toddTF Pro Trailforks & contributors
        • #128450 - 1,440 views

        Frequently Asked Questions About Boulder Loop

        ▼ Where is Boulder Loop located?
        Boulder Loop is located in Lake Shelbyville Trails, Shelbyville, Illinois, United States. It is part of the Lake Shelbyville Trails trail network. The trailhead is located at coordinates 39.42807, -88.78844.
        ▼ How hard is Boulder Loop?
        Boulder Loop is rated as Blue difficulty. The average grade is 0.1%.
        ▼ What is the elevation gain for Boulder Loop?
        Boulder Loop has 183 ft of elevation gain. The trail has 196 ft of elevation descent. The elevation ranges from 613 ft to 657 ft.
        ▼ Is Boulder Loop a point to point trail?
        Yes, Boulder Loop is a point to point trail. The direction is One Direction. The trail type is singletrack.
        ▼ How long is Boulder Loop?
        Boulder Loop is 2.4 miles long. The trail type is singletrack.
        ▼ Are dogs allowed on Boulder Loop?
        Yes, dogs are allowed on Boulder Loop. Please keep dogs on a leash where required and clean up after them.
        ▼ When is the best time of year to ride Boulder Loop?
        Based on activity log data, the most popular months to ride Boulder Loop are:
        • May (1 activities)
        Check the reports page for current trail conditions.
        ▼ How do I access Boulder Loop? Where is the closest parking trailhead?
        The closest parking and trailhead locations to Boulder Loop are: View all parking locations in the area.
        ▼ How long does it take to ride Boulder Loop?
        Based on recorded activities, it takes an average of 19 minutes to ride Boulder Loop. The trail is 2.4 miles long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
        ▼ How busy is Boulder Loop?
        Boulder Loop is a very popular trail. There have been 325 recorded activities on this trail. The trail has received 438 check-ins. View recent activity on this trail.

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