The 2017 Amgen Tour of California was a road cycling stage race that took place between 14 and 20 May.

[3] New Zealand's George Bennett (LottoNL–Jumbo) took the first victory of his professional career, winning the general classification by 35 seconds ahead of Polish rider Rafał Majka, riding for the Bora–Hansgrohe team.

[5] The podium was completed by the top home rider, Cannondale–Drapac member Andrew Talansky, a second in arrears of Majka.

In the other classifications, Majka's teammate Peter Sagan won the sprints classification, and its accompanying green jersey, for the seventh time in eight years; Colombian rider Daniel Jaramillo (UnitedHealthcare) edged out Rally Cycling's Evan Huffman on a countback to win the polka-dot jersey for the mountains classification, while a final-day attack by Australian Lachlan Morton (Team Dimension Data) allowed him to regain the white jersey of young rider classification leader that he had lost the previous day to Team Sky's Tao Geoghegan Hart.

There was also a mountains classification, the leadership of which was marked by a white jersey with red polka dots.

In addition, there was a combativity award given after each stage to the rider considered, by a jury, to have "who best exemplifies the character of those engaged in the fight against cancer / heart disease", in line with the jersey's sponsors.