The fastest speed I’ve maintained is over 75wpm with 100% accuracy, for more than 20 seconds.
My single fastest keys are the H and L keys, both averaging at 78wpm, with 100% accuracy.
My my fastest fingers are my thumbs, both averaging at 83 wpm with 100% accuracy.
My fastest keys are O to F and Y to Q, both averaging at 125 wpm.
The single fastest word I’ve ever typed was at 171wpm.
The fastest wpm I’ve ever hit was 300wpm, but only with one key.