Who is faster?

My little Pony: Friendship is magic, The Flash, The Flash, Sonic the Hedgehog, The Avengers, X-Men, Sonic the Hedgehog, Wander Over Yonder, The Incredibles, Guardians (crossover)
Gen
PG-13
Finished
0
author
Pairing and characters:
Size:
19 pages, 3 chapters
Tags:
Competitions Crossover Friendship Multi-crossover OOC Parallel worlds Songfic
Description:
The fastest characters decided to organize a racing race. Who will be the fastest of them?
Notes:
Russian version: https://ficbook.net/readfic/11245218
Publishing on other websites:
Check with the author/translator
Rewards from readers:
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