more stats
564 ft
Distance
-47 ft
Descent
00:00:19
Avg time
-47 ft
Altitude change
250 ft
Altitude min
298 ft
Altitude max
298 ft
Altitude start
249 ft
Altitude end
-8.4%
Grade
-14.8%
Grade max
-1.8%
Grade min
564 ft
Distance down
00:00:19
Avg time

Race Flow Details

  • Activities
    • Mountain Bike
    • E-Bike
    • Horse
    • Hike
    • Trail Running
  • Riding Area
    Lake Fairfax Park
    Reston, Virginia
  • Difficulty Rating
    Blue Rate
  • Voted Difficulty
    Blue (1 vote)
  • Local Popularity
    80 in Mountain Biking [+]
    • 65 in E-Biking
    • 55 in Trail Running
    • 5 in Hiking
    • 5 in Horseback
  • Global Ranking
    #134831 in Mountain Biking [+]
    • #43355 in Trail Running
    • #233866 in Hiking
  • Trail Type
    Singletrack
  • Bike Type
    AM, XC
  • Direction
    Downhill Primary
    Popular Direction Shown
  • Climb Difficulty
    Blue
  • Physical Rating
    Easy
  • Trail Visibility
    Always easy to follow
  • Dogs Allowed
    Yes
  • eBike Allowed
    Yes up to Class 1
  • TTFs on Trail
    Berm, Jump
  • Year Opened
    2021
  • Land Owner
    Fairfax County Park Authority

A short descent with a few small rollers and two berms at the end, built for the local XC race.

Trail Supporters
Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 5 rides
  • 22 miles average
6 Months
  • 129 rides
  • 15 miles avg distance
All
  • 517 rides
  • Last: Aug 22, 2026
c1c2c3c4
January
February
March
April
May
June
July
August
September
October
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December
Status:
on Jun 20, 2026
Dry
Avg: 3.43 (3 votes)
Your vote: 0

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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.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
  • no data
Trail Last Ridden
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  • < 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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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

Service Road Atlas is a free to use, community-driven service for viewing and creating reports on the numerous back-country service roads around B.C. and Alberta.

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Slope Aspect
Direction the slope faces
Flat N NE E SE S SW W NW
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        Directions to race-flow trailhead (38.962590, -77.310970)
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        Routes with this trail

        38
        7 Mile Flow loop
        ★ 4.0 • 7 miles • 580 ft • 15 •
        This is a 7 mile flow loop designed to find almost all blue lines and take advantage of all downhill flow...
        2.4 ★★★★★
        3 Ratings
        5 ★
        4 ★
        3 ★ 33%
        2 ★ 67%
        1 ★

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        Nearby Trails

        Lake Fairfax Park

        Frequently Asked Questions About Race Flow

        ▼ Where is Race Flow located?
        Race Flow is located in Lake Fairfax Park, Reston, Virginia, United States. It is part of the Lake Fairfax Park trail network. The trailhead is located at coordinates 38.96259, -77.31097.
        ▼ How hard is Race Flow?
        Race Flow is rated as Blue difficulty. The physical rating is Easy. The average grade is 8.4%. The climb difficulty is rated Blue.
        ▼ What is the elevation gain for Race Flow?
        The trail has 47 ft of elevation descent. The elevation ranges from 250 ft to 298 ft.
        ▼ Is Race Flow a point to point trail?
        Race Flow is not a point to point trail. The direction is Downhill Primary. The trail type is singletrack.
        ▼ How long is Race Flow?
        Race Flow is 564 ft long. The trail type is singletrack.
        ▼ Are dogs allowed on Race Flow?
        Yes, dogs are allowed on Race Flow. Please keep dogs on a leash where required and clean up after them.
        ▼ When is the best time of year to ride Race Flow?
        Based on activity log data, the most popular months to ride Race Flow are:
        • October (80 activities)
        • May (68 activities)
        • August (39 activities)
        Check the reports page for current trail conditions.
        ▼ How do I access Race Flow? Where is the closest parking trailhead?
        The closest parking and trailhead locations to Race Flow are: View all parking locations in the area.
        ▼ How long does it take to ride Race Flow?
        The estimated time to ride Race Flow is approximately 0 minute. The trail is 564 ft long. Actual times will vary based on fitness level, conditions, and pace.
        ▼ How busy is Race Flow?
        Race Flow is a very popular trail. There have been 2,523 recorded activities on this trail. The trail has received 3,493 check-ins. View recent activity on this trail.

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