[1] The championship took place on Wednesday, August 26 in Copenhagen, Denmark.

[3] 17 professional cyclists, with a maximum of 3 for each country, started from 7 am.

The winner was ultimately the Dane Henry Hansen, who was three minutes faster than the world champion among the professionals.

But due to organizational irregularities, that time may not be reliable.

[5] The 1931 UCI Track Cycling World Championships was held in the velodrome of Ordrup, near Copenhagen, from 21 to 30 August 1931.