The 4th map? You speak about the 80 stamina one right?
I have no issue with that. I 3 medals it all the time.
If it can help, I use the default positions and my teams are:
1st: 525 speed
2nd: 480 speed
3rd: 539 speed
4th; 670 speed

As ally I usually take teams with medium speed (~530-560).