Van Garderen still in yellow in USA

The BMC rider destroyed most of the field in the time trial to win by four seconds from Andrew Talansky (Garmin), with Tom Danielson (Garmin) third a further 58 seconds down.

Van Garderen is now one and a half minutes clear in the standings, with team-mate Mathias Frank second and Danielson third in the general classification.

The seven-stage race continues with a stage from Loveland to Fort Collins on Saturday before the finale in Denver on Sunday.

1 Tejay van Garderen (USA) BMC Racing 25:01

2 Andrew Talansky (USA) Garmin +4

3 Tom Danielson (USA) Garmin +1:02

4 Steven Cummings (ENG) BMC Racing +1:04

5 Larry Warbasse (USA) BMC Racing +1:12

6 Tobias Ludvigsson (SWE) Argos +1:16

7 Kanstantsin Sivtsov (BLR) Team Sky +1:16

8 Lachlan Morton (AUS) Garmin +1:17

9 Christian Vande Velde (USA) Garmin +1:24

10 Mathias Frank (SUI) BMC Racing +1:26