Was there anyone who out Tachyon'd Agnes Tachyon?

An Icarus of a horse that flew too close to the Sun and went so fast they self-destructed?

I'm reminded of Winning Brew who held the world record for the fastest E V E R speed for a horse even though she had a mid-tier race record.

Tachyon has the preferred mindset
https://youtu.be/1YVAN4QWBTg