On August 4, Kipchirchir finished ninth in a personal best time of 27:07.55 in the 10 km at the 2017 World Championships in Athletics – Men's 10,000 metres.

Kipchirchir finished in second place behind Ryan Hill at USATF 5 km Championships hosted by CVS Health Downtown 5k in Providence, Rhode Island in a time of 13:58.

[15] On March 11, Kipchirchir finished second in 43:23 by less than a second to Leonard Korir in the Gate River Run 2017 USATF 15 km road championships in Jacksonville, Florida.

[16] On June 22, Kipchirchir finished second in 29:01.68 by a second to Hassan Mead at 2017 USA Outdoor Track and Field Championships in the 10 km.

[17] On August 4, Kipchirchir finished ninth in a personal best time of 27:07.55 in the 10 km at the 2017 World Championships in Athletics – Men's 10,000 metres.