A 43-Year-Old German Cyclist Just Set A New World Hour Record And Immediately Retired

German cyclist Jens Voigt just set a new world hour record.

In 60 minutes he rode 51.115 kilometers. It was an amazing achievement.

Voigt just turned 43 on Wednesday, and he retired from pro cycling immediately after his record ride on Thursday.

He beat the previous mark of 49.700 kilometers set by Ondrej Sosenka of the Czech Republic in 2005 in Moscow by 1,415 metres, AFP reports.

Here's a quick recap of the hour:

Voigt carefully walked out onto the velodrome in Grenchen, Switzerland, before a big crowd and got on his custom-designed super-fast Trek (his main sponsor):

He was super-focussed on the next hour of effort:

His coach gave him some last-minute advice and encouragement:

Finally, after months of planning and training, Jens Voigt was off:

He got off to a great start, flying around the velodrome. He would hover around 50 kph, or 30 mph, the entire time.

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You can watch a replay of Voigt's record-breaking ride below.