Bethesda, MD · mixed · mixed

Georgetown Branch Trail Detour

1.7 mi Out-and-back 98 ft gain

1.7-mile mixed route with 98 ft of elevation gain, signed as part of the regional cycle network, route reference “GBTD”.

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.
Exposed + wet + windy — mixed traffic in wet windy conditions — visibility and handling margin drop together.
21 mph wind — noticeable — pacing will shift with the wind.

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

85°F

Partly Cloudy
Wind

21 mph

SW
Rain

89%

Next 24h: 0.72"
Humidity

62%

Surface & daylight

Pavement

wet

mixed surface
Sunrise

6:05 AM
Sunset

8:24 PM

394 min remaining

Best time today

Every remaining hour today is flagged hazardous. Save it for tomorrow.

Wind on this route

21 mph headwind outbound — expect a 21 mph headwind on the return.

Currently 21 mph from the S (190°). Relative to this ride's overall bearing, a quartering headwind.

Leg 1 Bearing 234° · quartering headwind 0.1 mi
Leg 2 Bearing 249° · quartering headwind 0.1 mi
Leg 3 Bearing 158° · quartering headwind 0.1 mi
Leg 4 Bearing 173° · headwind 0.1 mi
Leg 5 Bearing 177° · headwind 0.2 mi
Leg 6 Bearing 180° · headwind 0.1 mi
Leg 7 Bearing 172° · headwind 0.1 mi
Leg 8 Bearing 179° · headwind 0.1 mi

Elevation profile

115 ft gain 121 ft loss Max 387' Min 302' 1.5 mi sampled

Score breakdown

85°F air Within comfort range, outside ideal

-3

−

Exposed + wet + windy mixed traffic in wet windy conditions — visibility and handling margin drop together.

-12

−

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

-6

−

Quartering headwind 21 mph headwind outbound — expect a 21 mph headwind on the return.

-4

−

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

Advisories & nearby alerts

NWSTest Message

About this route

Distance: 1.7 mi one-way (double for round-trip)
Elevation gain: 98 ft
Surface: mixed
Shape: Out-and-back
Traffic exposure: mixed
Activities: road cycling · e bike
Cycle network: RCN · route GBTD
Start: 38.9985, -77.0888
City hub: Bethesda, MD
OSM: relation 8040043

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