Rockville, MD · on road · paved

MDBR 28

3.7 mi Out-and-back 118 ft gain

3.7-mile paved route with 118 ft of elevation gain, signed as part of the regional cycle network, route reference “28”, routed on public roads.

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.
41 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.
Exposed + wet + windy — on road traffic in wet windy conditions — visibility and handling margin drop together.

0 /100

skip

0 Bike commuting

0 Road

0 E-bike

0 Bike-share

Best for bike commuting 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

82°F

Mostly Cloudy
Wind

41 mph

W
Rain

85%

Next 24h: 0.63"
Humidity

70%

Surface & daylight

Pavement

wet

paved surface
Sunrise

6:05 AM
Sunset

8:25 PM

395 min remaining

Best time today

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

Wind on this route

41 mph headwind outbound — expect a 41 mph headwind on the return.

Currently 41 mph from the SSE (150°). Relative to this ride's overall bearing, a quartering headwind.

Leg 1 Bearing 128° · headwind 0.3 mi
Leg 2 Bearing 128° · headwind 0.3 mi
Leg 3 Bearing 128° · headwind 0.3 mi
Leg 4 Bearing 128° · headwind 0.3 mi
Leg 5 Bearing 129° · headwind 0.3 mi
Leg 6 Bearing 87° · quartering headwind 0.3 mi
Leg 7 Bearing 43° · crosswind 0.3 mi
Leg 8 Bearing 41° · crosswind 0.3 mi

Elevation profile

174 ft gain 124 ft loss Max 446' Min 344' 3.7 mi sampled

Score breakdown

82°F air Within comfort range, outside ideal

-3

−

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

-12

−

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

-36

−

Quartering headwind 41 mph headwind outbound — expect a 41 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: 3.7 mi one-way (double for round-trip)
Elevation gain: 118 ft
Surface: paved
Shape: Out-and-back
Traffic exposure: on road
Activities: road cycling · e bike · commuting · bike share-touring
Cycle network: RCN · route 28
Start: 39.1189, -77.3174
City hub: Rockville, MD
OSM: relation 16004964

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