In this video I go through The Flash's fastest on screen moments.

(Time stamps in the description).

Some of the clips include the flash out running a nuclear bomb.
Traveling to the past.
Traveling to the future.

Non Profit Channel. Fair Use.
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Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favour of fair use. No copyright infringement intended.