In January 2017, Grace announce she would now be a Nike sponsored athlete and wore the Nike kit for the first time in competition during the University of Washington Invitational. Kate Grace ran a personal best 4:22.93 Mile on February 11, 2017 at Millrose Games. Kate placed second in 1000 meters in 2:36.97 at 2017 Indoor muller Grand Prix at Birmingham behind Laura Muir. Kate Grace won the 800 meters in 2:01.25 at the 2017 Portland Twilight. Kate placed third in 1500 meters in 4:16.62 at 2017 Drake Relays behind Jennifer Simpson and Brenda Martinez. Kate placed 7th in the 1500 meters in 4:03.59 in Eugene at 2017 Prefontaine Classic on May 27. Grace placed second in a time of 4:06.95 in the 1500 meters final at 2017 USA Outdoor Track and Field Championships. Grace placed 23rd in the 1500 semifinal in a time of 4:16.70 of the 2017 World Championships. In September 2017, Grace join Coach Jerry Schumacher and Bowerman Track Club.