Editor’s note: John Wood is a septuagenarian racer who lives in Eagle River, Alaska, outside of Anchorage. Four years ago he wrote a first-person Masters Mind piece for FasterSkier detailing his return from a full knee replacement to winning his age group at the American Birkebeiner classic race 18 months later. This article provides an update on what happened next, including competing at the 2019 Masters World Cup in Beitostølen, Norway, following a second knee...