Just Posted on his social media "
4,638 humans have climbed Mt. Everest.
1,497 humans have broken 4 minutes in the Mile.
No human has ever done both. Until now....
Go to MileToMountain.com to learn more."
From the schedule published on the Website, it looks as if he will begin this summer with Kilimanjaro and end in summer 2021 with Everest.