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 12, 11:08 AM 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.
29 mph wind — strong — plan for slow outbound if wind is against you.

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

79°F

Cloudy
Wind

29 mph

E
Rain

22%

Next 24h: 0.00"
Humidity

75%

Surface & daylight

Pavement

wet

mixed surface
Sunrise

5:52 AM
Sunset

8:34 PM

566 min remaining

Best time today

4 PM looks best — 85°F · 9 mph E wind · mostly cloudy. 5 PM is a close second (25/100).

12 PM

83°

Slight Chance Showers And Thunderstorms

8 mph E

—

1 PM

84°

Slight Chance Showers And Thunderstorms

9 mph E

—

2 PM

84°

Slight Chance Showers And Thunderstorms

9 mph E

—

3 PM

85°

Slight Chance Showers And Thunderstorms

9 mph E

—

4 PM Best

85°

Mostly Cloudy

9 mph E

5 PM

85°

Mostly Cloudy

9 mph E

6 PM

83°

Mostly Cloudy

9 mph E

7 PM

81°

Mostly Cloudy

8 mph E

8 PM

79°

Mostly Cloudy

6 mph E

Wind on this route

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

Currently 29 mph from the NE (40°). Relative to this ride's overall bearing, a tailwind.

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

Elevation profile

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

Score breakdown

79°F air Within comfort range, outside ideal

-3

−

29 mph wind Strong — plan for slow outbound if wind is against you.

-18

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

−

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.