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10.8 miles
Distance
576 ft
Climb
-558 ft
Descent
1 mile
High Point
17 ft
Altitude change
6,098 ft
Altitude min
6,108 ft
Altitude start
6,125 ft
Altitude end
-13.1%
Grade max
16.9%
Grade min
5 miles
Distance climb
5 miles
Distance down
1 mile
Distance flat
The 2023 Beginner 11 Mile Couse for the Alien Run Mountain Bike Race
Detailed Description
2023 Beginner Course is a 11 mile popular intermediate route located near Aztec New Mexico. This mountain bike only route. This route includes 3 trails. This route climbs 576 ft with a max elevation of 6,441 ft then descends -558 ft.
Trail Issues on Route
- Minor Issue / Yellow: 1 trail (newest: Dec 20, 2025)
Local Trail Association
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Stats
-
Distance11 miles
-
Avg time2 hr 7 min
-
Altitude change17 ft
-
Altitude min6,098 ft
-
Altitude start6,108 ft
-
Altitude end6,125 ft
-
Climb576 ft
-
Descent-558 ft
-
Grade max-13.1%
-
Grade min16.9%
-
Distance climb5 miles
-
Distance down5 miles
-
Distance flat1 mile
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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
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Activity Recordings
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Activity Recordings
Trailforks uses anonymized public activity data.
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Winter Trails
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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
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Photos
Videos
mtb
Alien Run Green Loop (Beginner MTB Trail) | Aztec, NM | 6.1 Miles + Trailhead Amenities | 4K
trail: Alien Run Loop
42:23 | 272 | comments: 0 | favs:
Feb 6, 2026
Recent Trail Reports Along Route
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- By whiskeybravo
ATOS & contributors - #50299 - 770 views
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