American Connor Fields took out his fourth straight super time trial title of the year with an impressive run in 38.979 ahead of Beijing gold medallist Maris Strombergs (Latvia).
In-form Australian Caroline Buchanan took out the elite women's super time trial final, her third straight time in Supercross racing this year.
Riders compete in three qualifying motos tomorrow before quarter-finals, semis and final.
Results, qualifying, UCI BMX Supercross Round 3, Papendal:
Elite men: Connor Fields (USA) 38.979, 1; Maris Strombergs (LAT) 39.176, 2; Twan van Gendt (NED) 39.359, 3. Also NZers: Marc Willers 40.268, 17; Matt Cameron 41.209, 40; Nic Fox 42.3448, 74; Daniel Franks 42.655, 78.
Elite women: Caroline Buchanan 39.236, 1; Alise Post (USA) 39.889, 2; Manon Valentino (FRA) 41.104, 3. Also: Victoria Hill (NZL) 43.398, 24.