I am 73. Biked Frances '14. Walked Frances '15. Ingles this year. Walked at my pace. Trained some. 50L Osprey first hike. This year 60L Osprey. Did not increase weight that much. Was more bulk this year. Used a 3L water bladder. Keeps hydrated. Drink plenty of water and stretch every day. I did not forward bag. I hope to do the Portuguese this coming fall.