PredictionBook is now read-only ( read more ).

[On September 23rd, 2019 my Grand Canyon crossing (North to South Kaibab) will take] Between 4h30m and 4h45m

Created by WilliamKiely on 2019-09-18; known on 2019-09-24; judged wrong by WilliamKiely on 2019-09-30.