His running escape didn't last long once he tripped, perhaps he should've thought to what?\nOptions:\n- tie shoelace\n- rest\n- tiredness\n- run longer\n- sit down
Let's think step by step below.
tie shoelace
The one who trips remembers to tie shoelace.

Tripping is usually possible only when the person dont tie shoelaces.

.

So, the final answer is tie shoelace