[anvandare]

I think you're thinking of the Lightspeed Leapfrog trope[1].

(In a more general sense, it's the inverse of the first-mover advantage: the law of the handicap of a head start[32])

Or: the early bird gets the worm, but the second mouse gets the cheese.

[1] https://tvtropes.org/pmwiki/pmwiki.php/Main/LightspeedLeapfr...

[2] https://en.wikipedia.org/wiki/Law_of_the_handicap_of_a_head_...