Columbia, MD · mixed · mixed

1 (Maryland)

33.4 mi Out-and-back 768 ft gain

33.4-mile mixed route with 768 ft of elevation gain, signed as part of the U.S. Bicycle Route System, route reference “1”.

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.
NWS alert active — check the alert before rolling out.
Exposed + wet pavement — mixed traffic with wet pavement — drivers have less reaction margin. take the lane.

0 /100

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0 Road

0 E-bike

Best for road cycling today

NWSFlood Watch

Flood Watch issued July 28 at 10:25AM EDT until July 29 at 2:00AM EDT by NWS Baltimore MD/Washington DC

In effect through Jul 29, 6:00 AM

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

80°F

Chance Showers And Thunderstorms
Wind

10 mph

S
Rain

95%

Next 24h: 0.48"
Humidity

76%

Surface & daylight

Pavement

wet

mixed surface
Sunrise

6:02 AM
Sunset

8:23 PM

394 min remaining

Best time today

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

Wind on this route

Light headwind (10 mph) — noticeable but not brutal.

Currently 10 mph from the S (180°). Relative to this ride's overall bearing, a quartering headwind.

Leg 1 Bearing 259° · crosswind 1.4 mi
Leg 2 Bearing 250° · crosswind 1.9 mi
Leg 3 Bearing 209° · headwind 1.5 mi
Leg 4 Bearing 234° · quartering headwind 1.8 mi
Leg 5 Bearing 224° · quartering headwind 1.7 mi
Leg 6 Bearing 216° · quartering headwind 1.8 mi
Leg 7 Bearing 202° · headwind 1.2 mi
Leg 8 Bearing 259° · crosswind 1.6 mi

Elevation profile

1558 ft gain 1474 ft loss Max 692' Min 390' 27.5 mi sampled

Score breakdown

80°F air Within comfort range, outside ideal

-3

−

Exposed + wet pavement mixed traffic with wet pavement — drivers have less reaction margin. Take the lane.

-6

−

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

-2

−

Quartering headwind Light headwind (10 mph) — noticeable but not brutal.

-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

−

NWS alert active Check the alert before rolling out.

-20

About this route

Distance: 33.4 mi one-way (double for round-trip)
Elevation gain: 768 ft
Surface: mixed
Shape: Out-and-back
Traffic exposure: mixed
Activities: road cycling · e bike
Cycle network: NCN · route 1
Start: 39.5694, -76.6580
City hub: Columbia, MD
OSM: relation 13312086

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