07 buckinghamshire downley coffin paths

■Distance: 8 miles/13.1km ■ Time: 3½ hours ■ Grade: Moderate

■Distance: 5¾ miles/9.2km ■ Time: 3 hours ■ Grade: Moderate

■Distance: 5 miles/8km ■Time: 3 hours ■Grade: Moderate

■Distance: 7 miles/11.5km ■Time: 4½ hours ■Grade: Moderate

DIFFICULTY EASY DISTANCE 14KM TIME 5 HOURS ...

Two-time Burghley winner Pippa Funnell walks this year’s track, assessing the impact of the route being reversed for the first time in some years