Martinsburg, WV · mixed · mixed

9-11 Trail (Maryland)

152.9 mi Out-and-back 459 ft gain

152.9-mile mixed route with 459 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.

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.
401 min of daylight — you need at least 605 min. lights required for this ride.
Exposed + wet pavement — mixed traffic with wet pavement — drivers have less reaction margin. take the lane.

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

81°F

Cloudy
Wind

12 mph

W
Rain

90%

Next 24h: 0.14"
Humidity

68%

Surface & daylight

Pavement

wet

mixed surface
Sunrise

6:09 AM
Sunset

8:30 PM

401 min remaining

Best time today

8 PM looks best — 76°F · 5 mph NW wind · partly cloudy. 2 PM is a close second (0/100).

2 PM

81°

Showers And Thunderstorms

6 mph W

—

3 PM

82°

Showers And Thunderstorms

6 mph W

—

4 PM

83°

Showers And Thunderstorms Likely

7 mph W

—

5 PM

83°

Chance Showers And Thunderstorms

6 mph NW

—

6 PM

81°

Chance Showers And Thunderstorms

6 mph NW

—

7 PM

79°

Slight Chance Showers And Thunderstorms

6 mph NW

—

8 PM Best

76°

Partly Cloudy

5 mph NW

Wind on this route

12 mph crosswind — expect a 12 mph headwind on the return.

Currently 12 mph from the SSW (210°). Relative to this ride's overall bearing, a crosswind.

Leg 1 Bearing 44° · tailwind 2.9 mi
Leg 2 Bearing 346° · quartering tailwind 2.5 mi
Leg 3 Bearing 82° · quartering tailwind 2.6 mi
Leg 4 Bearing 81° · quartering tailwind 3.5 mi
Leg 5 Bearing 80° · quartering tailwind 3.6 mi
Leg 6 Bearing 47° · tailwind 3.9 mi
Leg 7 Bearing 86° · quartering tailwind 4.3 mi
Leg 8 Bearing 125° · crosswind 4.8 mi

Elevation profile

4636 ft gain 5496 ft loss Max 1142' Min 36' 111.6 mi sampled

Score breakdown

81°F air Within comfort range, outside ideal

-3

−

Exposed + wet pavement mixed traffic with wet pavement — drivers have less reaction margin. Take the lane.

-6

−

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

-2

−

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

−

401 min of daylight You need at least 605 min. Lights required for this ride.

-26

About this route

Distance: 152.9 mi one-way (double for round-trip)
Elevation gain: 459 ft
Surface: mixed
Shape: Out-and-back
Traffic exposure: mixed
Activities: road cycling · e bike
Cycle network: NCN · route 9-11
Operator: September 11th National Memorial Trail Alliance
Start: 39.5556, -78.4598
City hub: Martinsburg, WV
OSM: relation 13631684

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