Taking a stretch break near the end of the "Uber Pretzel" route in Zwift. At the run-in to the final climb (Alpe de Huez replica), which won't be super fun. In total the ride will be good for a little bit under 5 hrs at ~2.8 w/kg. 8-10 min total between two breaks (bathroom, water).
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"Your beauty is an aeroplane;
so high, my heart cannot bear the strain." -A.C. Jobim, Triste