Southern Maryland Potomac Heritage Trail On-Road Bicycling Route

48.2 mi Out-and-back 161 ft gain

48.2-mile mixed route with 161 ft of elevation gain, route reference “PHT”, routed on public roads.

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.
  • 72°F air — right in road cycling's sweet spot
  • Exposed + wet pavement — on road traffic with wet pavement — drivers have less reaction margin. take the lane.
  • 17 mph wind — noticeable — pacing will shift with the wind.
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0 Road
0 E-bike

Best for road cycling today

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.

  • Air temp
    72°F
    Mostly Sunny then Slight Chance Showers And Thunderstorms
  • Wind
    17 mph
    NW
  • Rain
    43%
    Next 24h: 0.17"
  • Humidity
    91%
  • Pavement
    wet
    mixed surface
  • Sunrise
    6:18 AM
  • Sunset
    8:07 PM
    1285 min remaining

17 mph crosswind — expect a 17 mph headwind on the return.

Currently 17 mph from the SW (220°). Relative to this ride's overall bearing, a crosswind.

  1. Leg 1 Bearing 305° · crosswind 2.1 mi
  2. Leg 2 Bearing 3° · quartering tailwind 2.6 mi
  3. Leg 3 Bearing 261° · quartering headwind 2.1 mi
  4. Leg 4 Bearing 236° · headwind 2.6 mi
  5. Leg 5 Bearing 279° · quartering headwind 2.6 mi
  6. Leg 6 Bearing 214° · headwind 1.7 mi
  7. Leg 7 Bearing 227° · headwind 2.7 mi
  8. Leg 8 Bearing 139° · crosswind 2.1 mi
-50'0'50'100'150'200' 0 mi6 mi12 mi18 mi24 mi30 mi36 mi41 mi
1026 ft gain 1192 ft loss Max 194' Min -7' 41 mi sampled
+
72°F air Right in road cycling's sweet spot
+10
Exposed + wet pavement on road traffic with wet pavement — drivers have less reaction margin. Take the lane.
-6
17 mph wind Noticeable — pacing will shift with the wind.
-6
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
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.

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