The blood controls are all done in the morning apart from a few instances when samples are taken hours after the finish. These are all usually in the same space of time 8-9 AM. The teams are given 15 mins notice usually, but they will automatically hemodilute with human albumin, saline every morning just in case.bikeGURU said:BigBoat, how exactly does the timeline work with the transfusions, draining, racing, dilution, doping controls??
Afterwards they can re-infuse blood that was trained off the night before, or more packed red cells from the freezer.
The riders I believe are coming in with high crits around 50%, and blood doping a few times during the Tour for the key stages up to 57-59% for the top riders and maybe just 50 for the lesser riders.
They do this because they want to race at the top and win big. Clotting becomes a risk at night when heart stroke is very low. Therefore, they want to train off blood. Perhaps 200-300 ml. The body senses blood loss and replaces it with plasma, lowering crit. They can re-infuse it in the morning after the blood controls are over with.I'm confused why they would infuse packed cells then dilute to meet the 50% rule and then bleed the excess at night so they don't die during their sleep.