On youtube, look up how to get outside of Erosion
Once you find the area you need to be at
1. Have airdrop traps
2. Get on laying down and one standing up on it's side
3. Jump on the one laying down, then onto the one standing up, then just jump out of the map
4. Run straight once your outside the map until you fall under the map
5. Keep sprinting while under the map
6. Since you are falling extremely fast, every time you sprint it adds 5 miles, roughly.