Lusail - American team Garmin won Monday's second stage of the Tour of Qatar, a 11.3km time-trial at the Lusail motorcycle track.
Belgian Tom Boonen of the Omega Pharma-Quick Step, winner of Sunday's first stage, retained the race leader's jersey, with American Tyler Farrar second on the same time.
Garmin finished the time-trial ahead of Omega Pharma-Quick Step and Sky.
Tuesday sees the riders tackle the 146.5km third stage between Dukhan and Al Gharafa Stadium.
Results from Monday's second stage of the Tour of Qatar, a 11.3km time-trial at the Lusail motorcycle track:
Stage
1. Garmin (USA) 12min 38sec, 2. OmegaPharma-QuickStep (BEL) at 7sec, 3. Sky (GBR) 9, 4. Katusha (RUS) 9, 5. Liquigas (ITA) 13, 6. RadioShack (LUX) 14, 7. Greenedge (AUS) 16, 8. BMC (USA) 16, 9. Rabobank (NED) 17, 10. Lotto (BEL) 17, 11. FDJ (FRA) 23
Overall standings
1. Tom Boonen (BEL) 3hr 24min 07sec, 2. Tyler Farrar (USA) s.t., 3. Johan Van Summeren (BEL) at 3sec, 4. Ramuna Navardauskas (LIT) 3, 5. Thomas Dekker (NED) 3, 6. Robert Hunter (RSA) 3, 7. Davide Appollonio (ITA) 10, 8. Francesco Chicchi (ITA) 10, 9. Gert Steegmans (BEL) 10, 10. Guillame Van Keirsbulck (BEL) 10
Selected
20. Marc Cavendish (GBR) 12, 35. Fabian Cancellara (SUI) 17, 38. Mark Renshaw (AUS) 19, 46. Philippe Gilbert (FRA) 19