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Alien Run

Mountain bike trail conditions · New Mexico 36.878° N  107.892° W   6,142 FT Verified

PRIME: Rideable now

No significant rain in the forecast.

Recent rain
0.4″ of rain, 3d ago
Today
78°Fcloudy
  • Thu 9/10, no measurable rain, modeled conditions: DUSTY
  • Fri 9/11, no measurable rain, modeled conditions: DUSTY
  • Sat 9/12, no measurable rain, modeled conditions: DUSTY
  • Sun 9/13, 0.34 inches of rain, modeled conditions: DUSTY then STAY OFF then CAUTION
  • Mon 9/14, no measurable rain, modeled conditions: CAUTION then DUSTY then PRIME
  • Tue 9/15, no measurable rain, modeled conditions: PRIME
  • Wed 9/16, no measurable rain, modeled conditions: PRIME
  • Thu 9/17, 0.37 inches of rain, modeled conditions: PRIME then CAUTION then PRIME
  • Fri 9/18, no measurable rain, modeled conditions: PRIME
  • Sat 9/19, no measurable rain, modeled conditions: PRIME
  • Today, Sun 9/20, no measurable rain, modeled conditions: PRIME
  • Mon 9/21, no measurable rain, modeled conditions: PRIME
  • Tue 9/22, no measurable rain, modeled conditions: PRIME
  • Wed 9/23, 0.33 inches of rain, modeled conditions: PRIME
  • Thu 9/24, 0.06 inches of rain, modeled conditions: PRIME, forecast preview, beyond the free window
  • Fri 9/25, no measurable rain, modeled conditions: PRIME, forecast preview, beyond the free window

Updated Sep 20, 2026, 13:14 UTC. Modeled hourly. Verdict last changed: Sep 18. Official closures and current trail conditions take priority.

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Is Alien Run rideable today?

Yes. The live verdict is PRIME, rideable now. 0.4″ of rain, 3d ago.

CHANGED
Thu 1711pm
Dried back to PRIME.
Thu 172pm
Rain moved in. Verdict dropped to CAUTION.
Mon 1411am
Rain moved in. Verdict dropped to PRIME.
Over the tracked history, Alien Run has been rideable on 9 of the last 10 days (very dry and dusty on 3 of them), and under a caution advisory on 1. Loam also considers soil, slope, tree cover, and drying time.

Soil and terrain at Alien Run

Alien Run is a mountain bike trail network in New Mexico. The soil is loam and drains well. With little tree cover, the ground gets plenty of sun and wind. The terrain averages a 1.5° slope at 6,142 ft and mainly faces SSW. Its nearly flat slopes can hold water in flat stretches.

How we check ourselves

How these factors affect drying

SoilLoam

Loam balances drainage with water retention, so it typically takes a day or two to dry after meaningful rain.

CanopyOpen 0%

Little tree cover means full sun and wind, so these trails are among the fastest to rebound after rain.

TerrainHolds water

Water tends to pool and linger here rather than running off, so the surface can stay damp well after the weather clears.

FAQ

Can you ride Alien Run right now?

The current estimate for Alien Run is PRIME: rideable now. No significant rain in the forecast. 0.4″ of rain, 3d ago.

Is Alien Run muddy right now?

Loam currently estimates dry conditions (PRIME). 0.4″ of rain, 3d ago.

What is the soil and trail surface like at Alien Run?

Alien Run sits on loam soil that drains well. Loam balances drainage with water retention, so it typically takes a day or two to dry after meaningful rain.

How long does Alien Run take to dry after rain?

Alien Run usually needs about a day or two to dry after meaningful rain. Its terrain holds water in low spots, which slows it.

Can you ride Alien Run after rain?

Drying time depends on how much rain fell and the weather that follows. Wait until the surface is firm. Check the current estimate before heading out, and turn back if your tires leave ruts.

Does Alien Run get snow in winter?

Occasionally. Cold snaps can bring snow or a hard freeze to Alien Run (around 6,142 ft), but it rarely lasts. Loam flags a FROZEN state when it happens and clears it once the trail thaws.

What's the terrain and elevation like at Alien Run?

Alien Run sits at roughly 6,142 feet, faces mostly SSW, and averages a 1.5° grade with about 0% tree cover. It is quicker to dry where it faces south, and the nearly flat terrain holds puddles in the flats.

When is the best time of year to ride Alien Run?

Alien Run usually has little snow, though winter cold snaps can interrupt riding. Recent rain and drying time matter throughout the year. Its sunny aspect helps it come back fast after storms. Check the live verdict the morning you want to ride.

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Network profile

Network profile

Soil
Loamdrains well
Drainage
Holds waterdries slowly
Tree cover
0%Open
Elevation
6,142 ft
Average grade
1.5°
Predominant aspect
SSW-facing

Around Alien Run

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