Not fullspeed as you cannot complete it with 100% throttle. Semi-fullspeed with z-mode corners (max df corners) but mostly moderate speed... a fullspeed track can be done without lifting off the up arrow... like THIS:

ok sure the end is a puzzle, not fullspeed but most of it is!

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