more stats
618 ft
Distance
2 ft
Climb
-34 ft
Descent
00:00:55
Avg time
-32 ft
Altitude change
308 ft
Altitude min
340 ft
Altitude max
340 ft
Altitude start
308 ft
Altitude end
-5.122%
Grade
-11.86%
Grade max
2.441%
Grade min
124 ft
Distance climb
495 ft
Distance down
00:00:55
Avg time

140th Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    North SeaTac Park
    Seatac, Washington
  • Difficulty Rating
    Green Rate
  • Local Popularity
    90 in Mountain Biking [+]
    • 90 in Trail Running
    • 5 in Hiking
  • Global Ranking
    #174046 in Mountain Biking [+]
    • #105739 in Trail Running
    • #339414 in Hiking
  • State Ranking
    #2,917 in Mountain Biking · Washington [+]
    • #3,357 in Trail Running
    • #8,157 in Hiking
  • Trail Type
    Singletrack
  • Direction
    Downhill Primary
  • Dogs Allowed
    Yes
  • eBike Allowed
    No

No community description for 140th trail has been added yet!

AI Generated Description

140th is a 618 ft popular green difficulty singletrack trail located near Seatac Washington. This mountain bike primary trail can be used downhill primary. On average it takes minutes to complete this trail.

Tags

Local Trail Association

Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 84 rides
  • 9 miles avg distance
All
  • 358 rides
  • Last: Aug 24, 2026
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Status:
on Mar 2, 2021
Dry
no votes yet
Your vote: 0

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      Directions to 140th trailhead (47.477990, -122.307750)
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      Nearby Trails

      North SeaTac Park

      • By mrbeardsly & contributors
      • #74680 - 1,274 views

      Frequently Asked Questions

      ▼ Where is 140th located?
      140th is located in North SeaTac Park, Seatac, Washington, United States. It is part of the North SeaTac Park trail network. The trailhead is located at coordinates 47.47799, -122.30775.
      ▼ How hard is 140th?
      140th is rated as Green difficulty. The average grade is 5.122%.
      ▼ What is the elevation gain for 140th?
      140th has 2 ft of elevation gain. The trail has 34 ft of elevation descent. The elevation ranges from 308 ft to 340 ft.
      ▼ Is 140th a point to point trail?
      140th is not a point to point trail. The direction is Downhill Primary. The trail type is singletrack.
      ▼ How long is 140th?
      140th is 618 ft long. The trail type is singletrack.
      ▼ Are dogs allowed on 140th?
      Yes, dogs are allowed on 140th. Please keep dogs on a leash where required and clean up after them.
      ▼ When is the best time of year to ride 140th?
      Based on activity log data, the most popular months to ride 140th are:
      • June (82 activities)
      • May (61 activities)
      • April (48 activities)
      Check the reports page for current trail conditions.
      ▼ How do I access 140th? Where is the closest parking trailhead?
      The closest parking and trailhead locations to 140th are: View all parking locations in the area.
      ▼ How long does it take to ride 140th?
      Based on recorded activities, it takes an average of 1 minute to ride 140th. The trail is 618 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
      ▼ How busy is 140th?
      140th is a very popular trail. There have been 4,642 recorded activities on this trail. The trail has received 9,639 check-ins. View recent activity on this trail.

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