Alexandria, VA · mostly separated · mixed

9-11 Trail (Virginia)

9.5 mi Out-and-back 233 ft gain

9.5-mile mixed route with 233 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, mostly separated from motor traffic.

Live · updated Jul 12, 11:09 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.
37 mph wind — gusty and hazardous on exposed bridges and overpasses.
Pavement: wet — wet during the likely ride window — reduced braking, road spray, limited visibility to drivers.

0 /100

skip

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

81°F

Cloudy
Wind

37 mph

E
Rain

28%

Next 24h: 0.00"
Humidity

70%

Surface & daylight

Pavement

wet

mixed surface
Sunrise

5:53 AM
Sunset

8:34 PM

566 min remaining

Best time today

5 PM looks best — 84°F · 9 mph E wind · cloudy. 6 PM is a close second (25/100).

12 PM

82°

Slight Chance Showers And Thunderstorms

8 mph E

—

1 PM

83°

Chance Showers And Thunderstorms

8 mph E

—

2 PM

83°

Chance Showers And Thunderstorms

9 mph E

—

3 PM

84°

Chance Showers And Thunderstorms

9 mph E

—

4 PM

84°

Slight Chance Showers And Thunderstorms

9 mph E

—

5 PM Best

84°

Cloudy

9 mph E

6 PM

82°

Cloudy

8 mph E

7 PM

81°

Mostly Cloudy

7 mph E

8 PM

80°

Mostly Cloudy

6 mph E

Wind on this route

37 mph tailwind outbound — expect a 37 mph headwind on the return.

Currently 37 mph from the NE (50°). Relative to this ride's overall bearing, a quartering tailwind.

Leg 1 Bearing 240° · tailwind 0.6 mi
Leg 2 Bearing 195° · quartering tailwind 0.8 mi
Leg 3 Bearing 178° · quartering tailwind 0.8 mi
Leg 4 Bearing 164° · quartering tailwind 0.8 mi
Leg 5 Bearing 180° · quartering tailwind 0.8 mi
Leg 6 Bearing 182° · quartering tailwind 0.8 mi
Leg 7 Bearing 154° · crosswind 0.8 mi
Leg 8 Bearing 196° · quartering tailwind 0.8 mi

Elevation profile

259 ft gain 141 ft loss Max 128' Min 0' 8.2 mi sampled

Score breakdown

81°F air Within comfort range, outside ideal

-3

−

37 mph wind Gusty and hazardous on exposed bridges and overpasses.

-36

Quartering tailwind 37 mph tailwind outbound — expect a 37 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: 9.5 mi one-way (double for round-trip)
Elevation gain: 233 ft
Surface: mixed
Shape: Out-and-back
Traffic exposure: mostly separated
Activities: road cycling · e bike
Cycle network: NCN · route 9-11
Operator: September 11th National Memorial Trail Alliance
Start: 38.7971, -77.0404
City hub: Alexandria, VA
OSM: relation 13594304

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