BP400 2026

eventSeptember 5-9, 2026
location_onCroton-on-Hudson, NY

Weather at a Glance

thermostat
Temperature
51°F - 74°F
Feels like 53°F - 76°F
water_drop
Precipitation
45% chance
0.00 in
air
Wind
4 mph WSW
Gusts to 15 mph
wb_sunny
UV Index
6
warningElevated rain risk during the event window
open_in_newOfficial Site
smartphoneOpen in App

Minute-by-minute wind, rain, and temperature along your route.

Routes

Saturday, September 5

BP400 Day 1 Route Forecast

straighten74 mi
trending_up4012 ft
schedule

Temperature

10:00 AM12:00 PM2:00 PM6264666870727462646668707274
Temperature (°F)
Feels Like (°F)

Precipitation

11:00 AM2:00 PM0102030405060708090100Very LightLightModerateHeavyVery Heavy
Probability (%)
Intensity

Wind

10:00 AM12:00 PM2:00 PM0246810121402468101214
Wind Speed (mph)
Gusts (mph)

Wind Direction

Route map + wind
6 mph NNW Gusts to 14 mph
Interactive map loading
updateForecast updated

Sunday, September 6

BP400 Day 2 Route Forecast

straighten85 mi
trending_up4708 ft
schedule

Temperature

8:00 AM11:00 AM2:00 PM6065707560657075
Temperature (°F)
Feels Like (°F)

Precipitation

8:00 AM11:00 AM2:00 PM0102030405060708090100Very LightLightModerateHeavyVery Heavy
Probability (%)
Intensity

Wind

8:00 AM11:00 AM2:00 PM024681012024681012
Wind Speed (mph)
Gusts (mph)

Wind Direction

Route map + wind
4 mph NW Gusts to 12 mph
Interactive map loading
updateForecast updated

Monday, September 7

BP400 Day 3 Route Forecast

straighten77 mi
trending_up4577 ft
schedule

Temperature

8:00 AM10:00 AM12:00 PM606264666870606264666870
Temperature (°F)
Feels Like (°F)

Precipitation

8:00 AM11:00 AM0102030405060708090100Very LightLightModerateHeavyVery Heavy
Probability (%)
Intensity

Wind

8:00 AM10:00 AM12:00 PM024681012024681012
Wind Speed (mph)
Gusts (mph)

Wind Direction

Route map + wind
2 mph SSE Gusts to 12 mph
Interactive map loading
updateForecast updated

Tuesday, September 8

BP400 Day 4 Route Forecast

straighten97 mi
trending_up5820 ft
schedule

Temperature

8:00 AM11:00 AM2:00 PM55606570755560657075
Temperature (°F)
Feels Like (°F)

Precipitation

8:00 AM11:00 AM2:00 PM0102030405060708090100Very LightLightModerateHeavyVery Heavy
Probability (%)
Intensity

Wind

8:00 AM11:00 AM2:00 PM02468101214160246810121416
Wind Speed (mph)
Gusts (mph)

Wind Direction

Route map + wind
4 mph W Gusts to 15 mph
Interactive map loading

Wednesday, September 9

BP400 Day 5 Route Forecast

straighten70 mi
trending_up3225 ft
schedule

Temperature

8:00 AM10:00 AM12:00 PM505560657075505560657075
Temperature (°F)
Feels Like (°F)

Precipitation

8:00 AM11:00 AM0102030405060708090100Very LightLightModerateHeavyVery Heavy
Probability (%)
Intensity

Wind

8:00 AM10:00 AM12:00 PM02468100246810
Wind Speed (mph)
Gusts (mph)

Wind Direction

Route map + wind
3 mph S Gusts to 10 mph
Interactive map loading

From the Epic Ride Weather app powered by  Weather and other data sources

Details

BP400 2026 takes place in Croton-on-Hudson, NY on September 5-9, 2026. Visit the official event website for registration and full event details.

On Saturday, September 5: the BP400 Day 1 (74 mi, 4012 ft elevation gain). On Sunday, September 6: the BP400 Day 2 (85 mi, 4708 ft elevation gain). On Monday, September 7: the BP400 Day 3 (77 mi, 4577 ft elevation gain). On Tuesday, September 8: the BP400 Day 4 (97 mi, 5820 ft elevation gain). On Wednesday, September 9: the BP400 Day 5 (70 mi, 3225 ft elevation gain). Check the route-specific weather forecasts above to plan your ride.

Boston to DillyPhelphia aka. Massylvania aka The Beeps

Start times and routes can change. Be sure to verify the date, start time, route, and other details with the event organizers.

Get the Full Weather Experience

  • Pick the best time to ride

    Forecasts show wind, rain, and temperature minute-by-minute along your route.

  • Choose the best direction

    Plan to maximize the tailwind, and avoid a headwind on the way home.

  • Dress perfectly

    Know what to wear with temperature, wind, and real-feel data.

  • Plan nutrition & hydration

    Stay fueled and hydrated with weather-based insights across your route.