04 gloucestershire severn estuary

■Distance: 5¼ miles/8.4km ■Time: 3 hours ■Grade: Easy

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

■Distance: 4½ miles/7.2km ■Time: 3 hours ■Grade: Moderate

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

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

DIFFICULTY MEDIUM DISTANCE 17.7KM TIME 5½ ...