Jenkins first ran competitively in cross country while in middle school. He then attended Portsmouth High School in New Hampshire, although he did not run all of the four years he attended. In his senior year of high school he recorded a personal best time of 4:15.10 in the 1600 meters.
He first began running at Portsmouth High School in his hometown, after which he was recruited by Northeastern University. After his junior year Jenkins transferred to University of Oregon, where he further established his reputation in collegiate distance running. After his collegiate career he signed a contract with Nike.
He currently runs with the Nike Oregon Project.
High school Collegiate Jenkins first enrolled in Northeastern University, where he made an immediate impact for the school"s cross country team when he placed third overall at the 2011 Civil Aeronautics Administration Cross Country Championships. In Jenkins" first semesters at Northeastern, the head coach was Renny Waldron, who noticed that he would start out too fast to finish strong in many of his freshman races.
By Jenkins" junior year, Northeastern"s cross country and track program went through widespread staff changes and new coaches were hired. Jenkins set Northeastern"s indoor mile, 3000-meter, and 5000-meter records.
In the summer of 2013, Jenkins transferred to the University of Oregon.
During this time, a famous rivalry formed between him and his teammate Edward Cheserek, who would always finish either closely behind or ahead of Jenkins in several races. Professional In June 2015, Jenkins signed with Nike and Flynn Sports Management. During his first summer as a professional runner, he got into the Belgian racing circuit, participating in two high-profile track meets.
In Kortrijk, he ran the 1500 meters, and in Heusden he ran the 5000 meters and fulfilled the Olympic "A" standard in the process with his 13:07 result.
2016 On 5 February 2016 Jenkins recorded a time of 3:42:32 over 1500 meters House of Track meeting in Portland.
While a student and runner with Oregon, he won the men"s 3K and 5K at the 2015 National Collegiate Athletic Association DI Indoor T&F Championships. Eric is a two-time National Collegiate Athletic Association indoor champion. All-America honors every year in track and cross country. National Collegiate Athletic Association cross country runner-up, three National Collegiate Athletic Association track team titles, and the second-fastest 5,000 in National Collegiate Athletic Association history.) After graduating in June, Jenkins signed with Nike and headed to Europe, where he notched personal bests in the 3,000 meters (7:4179) as well as in the 5,000 (13:0733). Two weeks later he ran a personal record over 3000 meters during the Millrose Games in New York, his time of 7:39:43 was good for 3rd place in the race that was won by Ryan Hill in 7:38:82.
