Arlington, VA · separated · mixed
Four Mile Run Trail
6.4-mile mixed route with 26 ft of elevation gain, signed as part of the regional cycle network, route reference “FMR”, separated from motor traffic.
Live · updated
Today's verdict
Great day to get the road bike out.
- 54°F air — right in road cycling's sweet spot
- 16 mph wind — noticeable — pacing will shift with the wind.
Best for e-bike riding today
Route map
Orange marker is the start. Click the map to enable scroll-zoom — the polyline is approximate; use Ride with GPS or Komoot for turn-by-turn.
Atmosphere
- Air temp54°FMostly Cloudy
- Wind16 mphNW
- Rain1%Next 24h: 0.00"
- Air qualityAQI 18O3 · Good
Surface & daylight
- Pavementdrymixed surface
- Sunrise6:42 AM
- Sunset5:02 PM806 min remaining
Best time today
4 AM looks best — 49°F · 13 mph NW wind · mostly cloudy. 9 AM is a close second (81/100).
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Wind on this route
16 mph tailwind outbound — expect a 16 mph headwind on the return.
Currently 16 mph from the NW (315°). Relative to this ride's overall bearing, a tailwind.
- Leg 1 Bearing 153° · tailwind 0.5 mi
- Leg 2 Bearing 122° · tailwind 0.5 mi
- Leg 3 Bearing 121° · tailwind 0.5 mi
- Leg 4 Bearing 142° · tailwind 0.5 mi
- Leg 5 Bearing 152° · tailwind 0.5 mi
- Leg 6 Bearing 119° · tailwind 0.5 mi
- Leg 7 Bearing 112° · tailwind 0.5 mi
- Leg 8 Bearing 81° · quartering tailwind 0.5 mi
Elevation profile
Score breakdown
About this route
- Distance
- 6.4 mi one-way (double for round-trip)
- Elevation gain
- 26 ft
- Surface
- mixed
- Shape
- Out-and-back
- Traffic exposure
- separated
- Activities
- road cycling · e bike
- Cycle network
- RCN · route FMR
- Start
38.8748, -77.1339- City hub
- Arlington, VA
- OSM
- relation 1623946
Description sourced from OpenStreetMap relation tags and member-way geometry.