close
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.
  • > 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.
disable
Only show trails with NO bikes.
enable
      Fun directional trail system over fast singletrack and slickrock areas.
      Primary Trail Type: Cross-Country
      Parking google parking directions
      Activities Click to view
      Region Details
      • 1
      • 6
      • 1

      Region Status
      Open as of Jan 24, 2022
      Local Trail Association

      Stats

      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

      Recent Ride Log Activity in Region

      Today
      • 8 rides
      Yesterday
      • 1 rides
      Past Week
      • 25 rides

      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, 2014

      Videos of Alien Run Mountain Bike

      Alien bowl
      trail: Alien Run
      8 | Oct 24, 2021
      Alien bowl
      trail: Alien Run
      30 | Oct 24, 2021
      Freeriding New Mexico
      trail: Alien Run
      0:49 | 221 | Dec 10, 2018
      Abducted at Alien Run
      trail: Alien Run
      0:54 | 99 | Feb 7, 2018
      How to start mountain biking. Ep1 ---- Alien...
      trail: Alien Run
      9:16 | 377 | May 26, 2019 , Aztec
      youtuber Alien ???? Run Super Loop Bike Trail
      trail: Alien Run
      10:59 | 505 | Jun 20, 2018 , Aztec

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      user #2088305BenKoevotetrailOuter Limits and 1 more
      Apr 29, 2022 @ 3:44pm
      Apr 29, 2022
      user #1911895AlpenawishlisttrailBig Apple Loop (W)
      Apr 28, 2022 @ 1:04pm
      Apr 28, 2022
      user #2895280VtomardywishlisttrailOuter Limits
      Apr 27, 2022 @ 8:48pm
      Apr 27, 2022
      user #2895280VtomardywishlisttrailAlien Run
      Apr 14, 2022 @ 12:57pm
      Apr 14, 2022
      user #2705446GretchendudneywishlisttrailAlien Run
      Apr 12, 2022 @ 1:55pm
      Apr 12, 2022

      Recent Comments

      usernametypetitlecommentdate
      user #1865200YannUlrichtrailArea 51 connectThis should not be an option. It is not...
      Mar 20, 2022 @ 11:44am
      Mar 20, 2022
      user #1865200YannUlrichtrailArea 51Not overly impressed. The lack of turns,...
      Mar 20, 2022 @ 11:42am
      Mar 20, 2022
      user #1865200YannUlrichtrailOuter LimitsGreat trail with lots of turns and rocks to...
      Mar 20, 2022 @ 11:40am
      Mar 20, 2022
      user #2364718fatbottomgirltrailOuter LimitsDon't let the trail description scare you off....
      Jul 15, 2021 @ 11:56am
      Jul 15, 2021
      user #2364718fatbottomgirltrailArea 51Good layout. Good addition to outer limits...
      Jul 15, 2021 @ 11:54am
      Jul 15, 2021

      Nearby Areas

      namedistance
      Aztec Jungle6.5 km
      Road Apple Rally 3 12 517.4 km
      San Juan College Trails 4 12 5 119.7 km
      Pinion Mesa 523.7 km
      Grandview Ridge 14 1 124.4 km

      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike828 miles2,969 ft13 miles653 ft
      #3,873#1,749457811,243
      Hike828 miles2,969 ft13 miles653 ft
      #3,169#1,6077826
      Trail Running828 miles2,969 ft13 miles653 ft
      #3,178#1,6087827
      • By schillingsworth TRAILFORKS & contributors
      • Admins: TMBA
      • #23387 - 1,979 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for Alien Run.
      You must login to download files.