9-11 Trail (District of Columbia)

4.3 mi Out-and-back 39 ft gain

4.3-mile mixed route with 39 ft of elevation gain, signed as part of the U.S. Bicycle Route System, route reference “9-11”, mostly separated from motor traffic.

Marginal conditions — get the road bike out if you have to.

  • 29 mph wind — strong — plan for slow outbound if wind is against you.
46 /100
ok
46 Road
66 E-bike

Best for e-bike riding today

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.

  • Air temp
    81°F
    Clear
  • Wind
    29 mph
    NE
  • Rain
    6%
    Next 24h: 0.06"
  • Humidity
    58%
  • Pavement
    dry
    mixed surface
  • Sunrise
    6:45 AM
  • Sunset
    7:23 PM
    154 min remaining

5 PM looks best — 82°F · 5 mph NE wind · cloudy. 6 PM is a close second (61/100).

5 PM Best
82°

Cloudy

5 mph NE
61
6 PM
80°

Mostly Cloudy

5 mph E
61

29 mph tailwind outbound — expect a 29 mph headwind on the return.

Currently 29 mph from the NNE (30°). Relative to this ride's overall bearing, a quartering tailwind.

  1. Leg 1 Bearing 237° · tailwind 0.4 mi
  2. Leg 2 Bearing 245° · quartering tailwind 0.3 mi
  3. Leg 3 Bearing 269° · quartering tailwind 0.4 mi
  4. Leg 4 Bearing 292° · crosswind 0.3 mi
  5. Leg 5 Bearing 270° · quartering tailwind 0.4 mi
  6. Leg 6 Bearing 270° · quartering tailwind 0.4 mi
  7. Leg 7 Bearing 215° · tailwind 0.3 mi
  8. Leg 8 Bearing 256° · quartering tailwind 0.4 mi
-50'0'50'100' 0 mi1 mi2 mi3 mi4 mi
76 ft gain 148 ft loss Max 69' Min -3' 3.7 mi sampled
·
81°F air Within comfort range, outside ideal
-3
29 mph wind Strong — plan for slow outbound if wind is against you.
-18
+
Quartering tailwind 29 mph tailwind outbound — expect a 29 mph headwind on the return.
+3
+
Pavement: dry Clean dry pavement — maximum grip.
+4
Distance
4.3 mi one-way (double for round-trip)
Elevation gain
39 ft
Surface
mixed
Shape
Out-and-back
Traffic exposure
mostly separated
Activities
road cycling · e bike
Cycle network
NCN · route 9-11
Start
38.8951, -77.0090
City hub
Washington, DC
OSM
relation 13631683

Description sourced from OpenStreetMap relation tags and member-way geometry.

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