Arlington, VA · mostly separated · mixed

66 Parallel Trail

15.8 mi Out-and-back 308 ft gain

15.8-mile mixed route with 308 ft of elevation gain, signed as part of the local cycle network, route reference “66”, mostly separated from motor traffic.

Live · updated Sep 11, 4:50 PM ET

Today's verdict

Skip today — the bike can wait.

Pavement: wet — wet during the likely ride window — reduced braking, road spray, limited visibility to drivers.
Headwind on this route — 12 mph headwind outbound — expect a 12 mph headwind on the return.

15 /100

skip

15 Road

33 E-bike

Best for e-bike riding 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

12 mph

N
Rain

9%

Next 24h: 0.18"
Humidity

65%

Surface & daylight

Pavement

wet

mixed surface
Sunrise

6:47 AM
Sunset

7:25 PM

156 min remaining

Best time today

5 PM looks best — 80°F · 3 mph N wind · cloudy. 6 PM is a close second (25/100).

5 PM Best

80°

Cloudy

3 mph N

6 PM

80°

Mostly Cloudy

3 mph NE

Wind on this route

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

Currently 12 mph from the E (80°). Relative to this ride's overall bearing, a headwind.

Leg 1 Bearing 77° · headwind 1.4 mi
Leg 2 Bearing 40° · quartering headwind 0.9 mi
Leg 3 Bearing 77° · headwind 1.4 mi
Leg 4 Bearing 70° · headwind 1.2 mi
Leg 5 Bearing 90° · headwind 1.0 mi
Leg 6 Bearing 62° · headwind 0.5 mi
Leg 7 Bearing 79° · headwind 1.4 mi
Leg 8 Bearing 77° · headwind 1.3 mi

Elevation profile

518 ft gain 371 ft loss Max 463' Min 240' 12.9 mi sampled

Score breakdown

79°F air Within comfort range, outside ideal

-3

−

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

-2

−

Headwind on this route 12 mph headwind outbound — expect a 12 mph headwind on the return.

-8

−

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

-32

About this route

Distance: 15.8 mi one-way (double for round-trip)
Elevation gain: 308 ft
Surface: mixed
Shape: Out-and-back
Traffic exposure: mostly separated
Activities: road cycling · e bike
Cycle network: LCN · route 66
Start: 38.8350, -77.4565
City hub: Arlington, VA
OSM: relation 15902152

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