Blocks can be placed while under the effect of a speed pad. By chaining speed pads you can move a lot faster than by running on a flat surface.
https://www.youtube.com/watch?v=WXUhMVXnG9U
This is especially useful on beach base after the cuts are done.

A fancy way of making a staircase:
https://www.youtube.com/watch?v=K-HTdE_XWUM
It's a lot faster than manually climbing blocks. Useful when playing Nigel on a map with verticality.

Hitting a wall does not make you lose horizontal velocity.
https://www.youtube.com/watch?v=-g7yIqeLXv8
This trick is especially useful on blockagedon, but it can be good on other maps as well.
Make sure that you do not sprint or you will lose your speed.