Washington, DC · separated · mixed

9-11 Trail (DC/Maryland Anacostia Alternative)

6.1 mi Out-and-back 66 ft gain

6.1-mile mixed route with 66 ft of elevation gain, signed as part of the U.S. Bicycle Route System, route reference “9-11”, operated by September 11th National Memorial Trail Alliance, separated from motor traffic.

Live · updated Jul 28, 1:51 PM ET

Today's verdict

Thunderstorms in the forecast — lightning and cyclists are a bad combination.

Thunderstorms — lightning and cyclists do not mix — get off the road before they arrive.
Pavement: wet — wet during the likely ride window — reduced braking, road spray, limited visibility to drivers.
21 mph wind — noticeable — pacing will shift with the wind.

0 /100

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0 Road

0 E-bike

Best for road cycling 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 temp

85°F

Partly Cloudy
Wind

21 mph

SW
Rain

91%

Next 24h: 0.96"
Humidity

62%

Surface & daylight

Pavement

wet

mixed surface
Sunrise

6:05 AM
Sunset

8:23 PM

393 min remaining

Best time today

Every remaining hour today is flagged hazardous. Save it for tomorrow.

Wind on this route

21 mph headwind outbound — expect a 21 mph headwind on the return.

Currently 21 mph from the S (190°). Relative to this ride's overall bearing, a quartering headwind.

Leg 1 Bearing 232° · quartering headwind 0.2 mi
Leg 2 Bearing 241° · quartering headwind 0.3 mi
Leg 3 Bearing 225° · quartering headwind 0.4 mi
Leg 4 Bearing 186° · headwind 0.5 mi
Leg 5 Bearing 201° · headwind 0.5 mi
Leg 6 Bearing 224° · quartering headwind 0.5 mi
Leg 7 Bearing 246° · quartering headwind 0.5 mi
Leg 8 Bearing 238° · quartering headwind 0.6 mi

Elevation profile

138 ft gain 115 ft loss Max 59' Min -7' 4.5 mi sampled

Score breakdown

85°F air Within comfort range, outside ideal

-3

−

21 mph wind Noticeable — pacing will shift with the wind.

-6

−

Quartering headwind 21 mph headwind outbound — expect a 21 mph headwind on the return.

-4

−

Thunderstorms Lightning and cyclists do not mix — get off the road before they arrive.

-45

−

Pavement: wet Wet during the likely ride window — reduced braking, road spray, limited visibility to drivers.

-32

About this route

Distance: 6.1 mi one-way (double for round-trip)
Elevation gain: 66 ft
Surface: mixed
Shape: Out-and-back
Traffic exposure: separated
Activities: road cycling · e bike
Cycle network: NCN · route 9-11
Operator: September 11th National Memorial Trail Alliance
Start: 38.9054, -76.9488
City hub: Washington, DC
OSM: relation 13890675

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