Complex sentence: In the 9th competition, Yamada timed out on the 2nd Stage on the Wall Lift, because he spent nearly 20 seconds removing tape he applied to his shoes for stickiness "then" applying sticky spray to his hands in preparation for the Spider Walk.
Split into simpler sentences: In the 9th competition, Yamada timed out on the 2nd Stage on the Wall Lift. That's because he spent nearly 20 seconds removing tape he applied to his shoes for stickiness "then" applying sticky spray to his hands in preparation for the Spider Walk.