IIRC, [MENTION=101819]Sixty Fiver[/MENTION] used to race in his younger days, primarily TT's.
For an amateur, 10mi. in 23min is doable (26mph), but difficult. It would require both a dialed in-TT bike with all the aero fixings AND a powerful engine.
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"Your beauty is an aeroplane;
so high, my heart cannot bear the strain." -A.C. Jobim, Triste