Test your mettle on one of Northern England's classic and toughest challenge walks. The 35th Allendale Challenge, a demanding 26-mile (42 km) loop organized by the North of Tyne Mountain Rescue Team, takes place on Saturday, 11 April 2026, starting and finishing in Allendale, Northumberland. This popular event, which sells out annually, traverses the rugged and remote fells of the North Pennines, taking in significant summits like Black Hill and Kilhope Law. Renowned for its challenging terrain and unpredictable weather, it is a serious undertaking for experienced fell runners and strong walkers alike. By participating, you directly support the vital, volunteer-run Mountain Rescue Team, making every step a meaningful contribution to the local community and the stunning landscape you'll explore.
Races Offered
26 mi Runners
Apr 05, 2026
straighten
Distance —
41.8K
terrain
Type —
Running
timer
06:30
26 mi walkers
Apr 05, 2026
straighten
Distance —
41.8K
terrain
Type —
Running
timer
09:45
Weather History
These values represent the 3-year monthly averages for April in Allendale, Northumberland.
thermostatTemperature
3.7° / 11.0°
wb_sunnyFeels like
-0.5° / 6.8°
light_mode
Avg sunshine hours
8h 3m
water_drop
Avg rainfall
2.4 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
14.8 km/h (Gentle breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (3.5)
humidity_mid
Humidity
80.4%
wb_twilight
Sunrise
06:04
nightlight
Sunset
20:13
About Allendale, Northumberland
Learn more about the host city, Allendale, Northumberland.
Allendale, often marked on maps as Allendale Town, is a village and civil parish in south west Northumberland, England. It is located within the North Pennines Area of Outstanding Natural Beauty.
