Koninklijke Nederlandsche Wielren Unie

The Royal Dutch Cycling Union, known also as Koninklijke Nederlandsche Wielren Unie or KNWU, serves as the national governing body for competitive and recreational cycling in the Netherlands. It oversees the organization of road, track, mountain bike, cyclo‑cross and BMX events, ranging from local club races to national championships. The union issues racing licenses, sets technical regulations, and coordinates development programmes for riders, coaches and officials. It represents Dutch cycling interests within the Union Cycliste Internationale (UCI) and works to promote the sport across the country. Through its affiliated clubs and regional committees, KNWU provides a structured pathway for talent identification and athlete support.

The organization’s headquarters are located in the Netherlands, and it operates as a sports federation. A notable incident occurred on 27 November 2020 when a legacy member database was compromised, resulting in the exfiltration of personal data—including names, email addresses, addresses, birth dates, payment information and club membership records—of roughly 90,000 individuals linked to KNWU events. The union reported that it refused to meet the attackers’ ransom demand and advised affected users to change any credentials that remained active in its current environment. This breach highlighted the scale of the union’s event‑related participant base and underscored the importance of securing historical data stores. While the union’s ownership structure is not detailed in the available sources, its governance involves member clubs and volunteers.