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.

Marginal conditions — get the road bike out if you have to.

  • 41 mph wind — gusty and hazardous on exposed bridges and overpasses.
  • 50°F air — right in road cycling's sweet spot
40 /100
ok
48 Bike commuting
40 Road
54 E-bike
49 Bike-share

Best for e-bike riding 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
    50°F
    Cloudy
  • Wind
    41 mph
    NW
  • Rain
    1%
    Next 24h: 0.00"
  • Air quality
    AQI 19
    O3 · Good
  • Pavement
    dry
    paved surface
  • Sunrise
    6:43 AM
  • Sunset
    5:02 PM
    806 min remaining

9 AM looks best — 50°F · 13 mph NW wind · mostly sunny. 10 AM is a close second (78/100).

4 AM
46°

Mostly Cloudy

12 mph NW
65
5 AM
44°

Partly Cloudy

10 mph NW
65
6 AM
43°

Sunny

8 mph NW
64
7 AM
42°

Sunny

9 mph NW
64
8 AM
44°

Sunny

12 mph NW
65
9 AM Best
50°

Mostly Sunny

13 mph NW
78
10 AM
53°

Mostly Sunny

13 mph NW
78
11 AM
55°

Mostly Sunny

14 mph NW
78
12 PM
57°

Mostly Sunny

15 mph NW
74
1 PM
58°

Mostly Sunny

16 mph NW
74
2 PM
58°

Mostly Sunny

18 mph NW
74
3 PM
58°

Mostly Sunny

18 mph NW
74
4 PM
56°

Mostly Sunny

20 mph NW
70

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

Currently 41 mph from the WNW (300°). Relative to this ride's overall bearing, a quartering tailwind.

  1. Leg 1 Bearing 128° · tailwind 0.3 mi
  2. Leg 2 Bearing 128° · tailwind 0.3 mi
  3. Leg 3 Bearing 128° · tailwind 0.3 mi
  4. Leg 4 Bearing 128° · tailwind 0.3 mi
  5. Leg 5 Bearing 129° · tailwind 0.3 mi
  6. Leg 6 Bearing 87° · quartering tailwind 0.3 mi
  7. Leg 7 Bearing 43° · crosswind 0.3 mi
  8. Leg 8 Bearing 41° · crosswind 0.3 mi
300'350'400'450' 0 mi1 mi2 mi3 mi4 mi
174 ft gain 124 ft loss Max 446' Min 344' 3.7 mi sampled
+
50°F air Right in road cycling's sweet spot
+10
−
Exposed + strong wind on road traffic in 20+ mph wind — gusts near passing vehicles are the hazard.
-4
−
41 mph wind Gusty and hazardous on exposed bridges and overpasses.
-36
+
Quartering tailwind 41 mph tailwind outbound — expect a 41 mph headwind on the return.
+3
+
Pavement: dry Clean dry pavement — maximum grip.
+4
+
AQI 19 Clean air
+3
NWSTest Message
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.

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