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5,036 ft
Distance
100 ft
Climb
-135 ft
Descent
00:11:19
Avg time
-33 ft
Altitude change
1,548 ft
Altitude min
1,624 ft
Altitude max
1,608 ft
Altitude start
1,575 ft
Altitude end
-0.7%
Grade
-18.7%
Grade max
37.3%
Grade min
1,873 ft
Distance climb
2,477 ft
Distance down
682 ft
Distance flat
00:11:19
Avg time
Blue Balls Details
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Activities
- Mountain Bike
- Winter Fat Bike
- Hike
- Trail Running
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Riding AreaFrederick Watershed
Frederick, Maryland -
Difficulty Rating
-
Local Popularity
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Global Ranking
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State Ranking#182 in Mountain Biking · Maryland [+]
- #668 in Trail Running
- #577 in Hiking
- #23 in Winter Fat Biking
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Trail TypeSingletrack
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Bike TypeAM, XC, Fat
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DirectionBoth Directions
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Climb DifficultyBlue
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Physical RatingModerate
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Dogs AllowedYes
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Land OwnerMD DNR
No community description for Blue Balls trail has been added yet!
AI Generated Description
Blue Balls is a highly rated 5,036 ft popular blue difficulty singletrack trail located near Frederick Maryland. This mountain bike primary trail can be used both directions and has a moderate overall physical rating with a 100 ft blue climb. On average it takes 11 minutes to complete this trail.
Local Trail Association
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Please consider joining or donating to the local trail association to supportDonate to earn trail karma!
trail development & maintenance.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 2 rides
- 10 miles average
6 Months
- 58 rides
- 10 miles avg distance
All
- 665 rides
- Last: Nov 11, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Blue Balls Trail Reports
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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)
Trailforks scans users activity logs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of users are riding a trail in its intended direction.
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 Used
Trailforks scans activity logs to determine the last time a trail was ridden.
- < 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
Contribute Details
Colors indicate trail is missing specified detail.
- Description
- 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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- popular
- less popular
- not popular
ATV/ORV/OHV Filter
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Radar Time
Activity Recordings
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Activity Recordings
Trailforks uses anonymized public activity data.
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Winter Trails
Warning
A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
Missing Trails
Most Popular
Least Popular
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
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Slope Aspect
Direction the slope faces
Trails Deemphasized
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Directions to blue-balls trailhead
(39.516740, -77.492190)
Photos
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Videos
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Trail Lists
-
Fredrick Watershed
78 trails
Routes with this trail
more »
★ 5.0 • 6 miles • 933 ft • 5 • Loop •
This is a loop that will challenge your descending skills on Drops and Reanimator, and then challenge your...
7 miles • 790 ft • 7 •
Start: Hamburg Top Lot • 7 miles • 755 ft, Most Casual, must have basic bike handling skills and some...
★ 3.0 • 19 miles • 2,659 ft • 11 • Out & Back •
Approximate route of Bike Dr Sheduro.. including a nice long pedal back to the car!!! Best guess on the...
jsforney
This is THE xc trail in the 'shed. If that's what you like, this will satisfy.
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Nearby Trails
- Buck Flats Trail 630 ft
- Killer Bee 2,930 ft
- Knucklebuster 2,995 ft
- Fishing Creek Rd To Catoctin Access Trail 3,317 ft
- Monarch Trail 3,619 ft
Frederick Watershed
- By Dcp584
& contributors - #34510 - 5,053 views
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