253 For AMC – 2025

253 for AMC Marshall Johnson was born with a rare condition called Arthrogryposis Mutiplex Congenita (AMC). Sport and movement have always been Marshall’s therapy: physically, mentally, spiritually. In 2022 he cycled 253 miles from Burlington, Vermont to Portland, ME, creating awareness and raising funds along the way. Now an annual bike ride and fundraiser, “253 […]