Fastest players in 2022 Six Nations this year revealed

Below, we rank the top four by their MPS (metres per second). This measurement is how things tend to be recorded these days rather than, say, a classic timed 100m sprint.

Players wear GPS tracking devices during training sessions and matches, which can record their maximum velocity when in motion.

Hogg broke Glasgow’s club record by hitting a top speed of 36.8kmh (just under 23mph) in training. In contrast, the Greater Roadrunner bird can only hit 20mph, while, back in the human realm, the top speed ever clocked by Usain Bolt was 27.8mph in the Berlin World Championships of 2009 when he set the still-standing 100m record of 9.58 seconds.

DID YOU KNOW? His father, John, played as a championship winning full-back for Hawick before becoming a rugby referee and his brother, Graham, played for Scotland 7s in the IRB Sevens World Series as well as representing Scotland at three different age grades

The Welsh wing-wizard clocked 10.5 metres per second (23.48mph).

The Clermont speedster best recorded time is 10.59 metres per second, which equates to 23.68 miles per hour.

The diminutive speedster was clocked at 10.69 metres per second (23.92 mph). That puts him ahead of Rees-Zammit and Penaud.