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Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Inadequate
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
Trail Flow (Ridden Direction)
Trailforks scans users ridelogs 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 riders are riding a trail in its intended direction.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
Trail Last Ridden
Trailforks scans ridelogs 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 ridelogs 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 rides = more kinetic energy = warmer colors.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
Radar Time
x
Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
- mountain biking recent
- mountain biking (>6 month)
- hiking (1 year)
- moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
- Downhill Ski
- Backcountry Ski
- Nordic Ski
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
Trails Deemphasized
Trails are shown in grey.
Only show trails with NO bikes.
Fun directional trail system over fast singletrack and slickrock areas.
Primary Trail Type: Cross-Country

Activities Click to view
- Mountain Bike
8 trails
- Hike
8 trails
- Trail Running
8 trails
Region Details
- 1
- 6
- 1
Region Status
Open as of Jan 24, 2022Stats
- Avg Trail Rating
- Trails (view details)
- 8
- Trails Mountain Bike
- 8
- Trails Hike
- 8
- Trails Trail Running
- 8
- Total Distance
- 28 miles
- Total Descent
- 2,970 ft
- Total Vertical
- 653 ft
- Highest Trailhead
- 6,777 ft
- Reports
- 78
- Photos
- 45
- Ridden Counter
- 1,146
Popular Alien Run Mountain Biking Trails
status | title | difficulty | rating |
---|---|---|---|
Alien Run | |||
The Black Hole | |||
Alien Run Shortcut | |||
Outer Limits | |||
Alien Run | |||
Connector | |||
Area 51 | |||
Big Apple Loop (W) |
Alien Run Mountain Bike Routes
title | rating | distance |
---|---|---|
Tank Mountain Recreational Area | 13 miles |
Photos of Alien Run Mountain Bike
trail: Alien Run
17 |
Oct 24, 2021 @ 7:02am
Oct 24, 2021
trail: Alien Run
12 |
Oct 24, 2021 @ 7:02am
Oct 24, 2021
trail: Alien Run
12 |
Oct 24, 2021 @ 7:02am
Oct 24, 2021
trail: Alien Run
34 |
Oct 24, 2021 @ 7:02am
Oct 24, 2021
trail: Outer Limits
38 |
May 1, 2021 @ 12:56pm
May 1, 2021
trail: Area 51
51 |
Apr 25, 2021 @ 3:46pm
Apr 25, 2021
trail: Alien Run
544 |
Jun 27, 2014 @ 12:53pm
Jun 27, 2014
trail: Alien Run
499 |
Jun 27, 2014 @ 12:53pm
Jun 27, 2014Recent Trail Reports
status | trail | date | condition | info | user |
---|---|---|---|---|---|
Alien Run | Mar 18, 2022 @ 10:44am Mar 18, 2022 | Dry | extrapulp | ||
Outer Limits | Mar 18, 2022 @ 10:44am Mar 18, 2022 | Prevalent Mud | extrapulp | ||
Connector | Mar 18, 2022 @ 10:44am Mar 18, 2022 | Dry | extrapulp | ||
Alien Run | Mar 18, 2022 @ 10:44am Mar 18, 2022 | Variable | extrapulp | ||
The Black Hole | Oct 28, 2021 @ 1:35pm Oct 28, 2021 | Ideal | Shawnsrides | ||
Area 51 back onto Outer Limits Connect | Oct 28, 2021 @ 1:35pm Oct 28, 2021 | Dry | Shawnsrides | ||
Alien Run Shortcut | Jul 14, 2021 @ 12:51pm Jul 14, 2021 | Variable | Doogus |
Activity Feed
username | action | type | title | date | |
---|---|---|---|---|---|
![]() | BenKoe | vote | trail | Outer Limits and 1 more | Apr 29, 2022 @ 3:44pm Apr 29, 2022 |
![]() | Alpena | wishlist | trail | Big Apple Loop (W) | Apr 28, 2022 @ 1:04pm Apr 28, 2022 |
![]() | Vtomardy | wishlist | trail | Outer Limits | Apr 27, 2022 @ 8:48pm Apr 27, 2022 |
![]() | Vtomardy | wishlist | trail | Alien Run | Apr 14, 2022 @ 12:57pm Apr 14, 2022 |
![]() | Gretchendudney | wishlist | trail | Alien Run | Apr 12, 2022 @ 1:55pm Apr 12, 2022 |
Recent Comments
username | type | title | comment | date | |
---|---|---|---|---|---|
![]() | trail | This should not be an option. It is not... | Mar 20, 2022 @ 11:44am Mar 20, 2022 | ||
![]() | trail | Not overly impressed. The lack of turns,... | Mar 20, 2022 @ 11:42am Mar 20, 2022 | ||
![]() | trail | Great trail with lots of turns and rocks to... | Mar 20, 2022 @ 11:40am Mar 20, 2022 | ||
![]() | trail | Don't let the trail description scare you off.... | Jul 15, 2021 @ 11:56am Jul 15, 2021 | ||
![]() | trail | Good layout. Good addition to outer limits... | Jul 15, 2021 @ 11:54am Jul 15, 2021 |
Nearby Areas
name | distance | ||||
---|---|---|---|---|---|
Aztec Jungle | 6.5 km | ||||
Road Apple Rally | 3 | 12 | 5 | 17.4 km | |
San Juan College Trails | 4 | 12 | 5 | 1 | 19.7 km |
Pinion Mesa | 5 | 23.7 km | |||
Grandview Ridge | 14 | 1 | 1 | 24.4 km |
Activity Type Stats
activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mountain Bike | 8 | 28 miles | 2,969 ft | 13 miles | 653 ft | #3,873 | #1,749 | 45 | 78 | 1 | 1,243 | |
Hike | 8 | 28 miles | 2,969 ft | 13 miles | 653 ft | #3,169 | #1,607 | 78 | 2 | 6 | ||
Trail Running | 8 | 28 miles | 2,969 ft | 13 miles | 653 ft | #3,178 | #1,608 | 78 | 2 | 7 |
- By schillingsworth
TRAILFORKS & contributors
- Admins: TMBA
- #23387 - 1,979 views
- alien run activity log | embed map of Alien Run mountain bike trails | alien run mountain biking points of interest
Downloading of trail gps tracks in kml & gpx formats is enabled for Alien Run.
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