Eroica Valkenburg begins in Valkenburg, South Limburg, with rides departing the historic city centre in the morning. This event is part of the L'Eroica series, founded to preserve Tuscany's gravel roads, and initially attracted 92 participants whom founder Giancarlo Brocci called “hunters of feelings and emotions.”
The 125 km Castle Ride features 1,225 m of elevation gain, four aid stations, and minimal flat terrain; it commences with the Cauberg and proceeds towards gravel sections utilized in the World Championships Gravel. The 75 km Heritage Ride includes 799 m of climbing and two aid stations, also starting with the Cauberg before heading north through South Limburg, passing castles.