End Parkour Checkpoint Reset

In the End Parkour, if you reach Checkpoint 9 you always start from there after server restart (every 25 minutes) even if you get further. I was already at stage 18 6 times and cant get far enough to finish it. Something similar happens with Checkpoint 7, but its less of a problem, since its just 2 stages to the next real Checkpoint. Dying resets to the right checkpoint, server reset is the only problem.