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 Nov 7, 3:38 AM ET

Today's verdict

Great day to get the road bike out.

54°F air — right in road cycling's sweet spot

75 /100

great

75 Road

75 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

54°F

Mostly Cloudy
Wind

14 mph

NW
Rain

1%

Next 24h: 0.00"
Air quality

AQI 18

O3 · Good

Surface & daylight

Pavement

dry

mixed surface
Sunrise

6:41 AM
Sunset

5:02 PM

805 min remaining

Best time today

4 AM looks best — 49°F · 9 mph NW wind · mostly cloudy. 5 AM is a close second (77/100).

4 AM Best

49°

Mostly Cloudy

9 mph NW

5 AM

48°

Mostly Cloudy

9 mph NW

6 AM

47°

Mostly Sunny

7 mph NW

7 AM

46°

Sunny

8 mph NW

8 AM

48°

Sunny

9 mph NW

9 AM

51°

Sunny

10 mph NW

10 AM

53°

Sunny

10 mph NW

11 AM

55°

Sunny

12 mph NW

12 PM

57°

Mostly Sunny

12 mph NW

1 PM

59°

Mostly Sunny

13 mph NW

2 PM

59°

Mostly Sunny

14 mph NW

3 PM

60°

Mostly Sunny

14 mph NW

4 PM

58°

Sunny

14 mph NW

Wind on this route

14 mph crosswind — expect a 14 mph headwind on the return.

Currently 14 mph from the NW (315°). Relative to this ride's overall bearing, a crosswind.

Leg 1 Bearing 240° · crosswind 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° · 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° · tailwind 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

54°F air Right in road cycling's sweet spot

+10

−

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

-2

Pavement: dry Clean dry pavement — maximum grip.

AQI 18 Clean air

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.