What is the velodrome 1hr record?

Could you please elaborate on what you mean by the "velodrome 1hr record"? Are you referring to the cycling event where riders compete to complete as many laps as possible in a one-hour time frame on a velodrome track? If so, the specific record you're asking about might vary depending on the type of bike used (e.g., track bike, individual pursuit, etc.), as well as the rules and regulations governing the event. Could you provide any additional context or clarify your question further?