03/28/2005 1:00AM

Helios Quercus wins return

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Helios Quercus made a successful return to the races at Saint-Cloud on Monday, winning the listed one-mile Prix Omnium II by two lengths over Salut Thomas.

The 6-5 favorite, Helios Quercus covered the mile under Alex Roussel on heavy ground in 1:49.20. His trainer, Cyriaque Diard, will run him next in the 1 5/16-mile, Group 2 Prix Greffulhe at Saint-Cloud on May 16 as a prep for the June 5 Prix du Jockey-Club (French Derby) over the same distance at Chantilly.