ARE THESE STRAVA CLIMBS TOO STEEP FOR A 65 YEAR OLD ~ Cycle Training, Chiltern Hills England

For indoor cycle training.
Revisiting my teenage area after almost 50 years.
Full 80km ride
Ride #1, Part 3 of 4 Princes Risborough, Lacey Green, Walters Ash, Bradenham, Saunderton
11:35 STRAVA Whiteleaf Climb 1.35km 9.4% avg 17% max
20:30 STRAVA Kop Hill Descent 1.14km 73km/h max
24:45 STRAVA Wardrobes Climb 1.05km 8.9% 18% max
36:00 Lacey Green Windmill www.laceygreen...
41:10 WWII Spitfire & Hurricane RAF High Wycombe
44:15 STRAVA Bradenham Wood Descent 1.99km 59km/h max
51:20 STRAVA Smalldean Lane Climb 2.1km 3.9% avg 20.9% (or 28% recorded) max