MD · on road · mixed
Southern Maryland Potomac Heritage Trail On-Road Bicycling Route
48.2-mile mixed route with 161 ft of elevation gain, route reference “PHT”, routed on public roads.
Live · updated
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 — on road traffic in wet windy conditions — visibility and handling margin drop together.
- 154 min of daylight — you need at least 211 min. lights required for this ride.
- 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 temp80°FCloudy
- Wind21 mphNE
- Rain13%Next 24h: 0.07"
- Humidity67%
Surface & daylight
- Pavementwetmixed surface
- Sunrise6:46 AM
- Sunset7:23 PM154 min remaining
Best time today
5 PM looks best — 80°F · 6 mph NE wind · mostly cloudy. 6 PM is a close second (12/100).
80°
Mostly Cloudy
6 mph NE
12
79°
Mostly Cloudy
5 mph NE
12
Wind on this route
21 mph crosswind — expect a 21 mph headwind on the return.
Currently 21 mph from the NNE (30°). Relative to this ride's overall bearing, a crosswind.
- Leg 1 Bearing 305° · crosswind 2.1 mi
- Leg 2 Bearing 3° · headwind 2.6 mi
- Leg 3 Bearing 261° · quartering tailwind 2.1 mi
- Leg 4 Bearing 236° · tailwind 2.6 mi
- Leg 5 Bearing 279° · quartering tailwind 2.6 mi
- Leg 6 Bearing 214° · tailwind 1.7 mi
- Leg 7 Bearing 227° · tailwind 2.7 mi
- Leg 8 Bearing 139° · crosswind 2.1 mi
Elevation profile
Score breakdown
·
80°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 −
21 mph wind Noticeable — pacing will shift with the wind.
-6 −
Strong crosswind 21 mph crosswind — expect a 21 mph headwind on the return.
-3 −
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 −
154 min of daylight You need at least 211 min. Lights required for this ride.
-7 About this route
- Distance
- 48.2 mi one-way (double for round-trip)
- Elevation gain
- 161 ft
- Surface
- mixed
- Shape
- Out-and-back
- Traffic exposure
- on road
- Activities
- road cycling · e bike
- Start
38.4526, -76.9907- OSM
- relation 18345436
Description sourced from OpenStreetMap relation tags and member-way geometry.