On February 1, high school junior Alexa Efraimson ran 9:00.16 to finish 4th in the 3,000m at the 2014University of Washington Invitational, breaking Mary Cain's 9:02.10United States high school national records in track and field which Mary ran on the same track one year earlier. At the Washington State High School track and field meet, Alexa continued her record-breaking ways, winning the 800 metres in 2:04.10 (Breaking the state meet record) and won the 1600m, setting a national high school record times for the 1600 metres in 4:33.29.[10]
Alexa won the high school nationalBrooks PR Invitational on theRenton Memorial Stadium track in the 800 metres running 2:03.26, defeatingRaevyn Rogers, defending national champion and bronze medalist from the 2013 World Youth Championships at 800m.[11]
2014 Diamond League Alexa raced against professionals atNew York CityAdidas Grand Prix in the1500 meters on June 14, 2014, and finished 10th running a Personal Best time of 4:07.05.[12]
2014 USA Junior Outdoor Championships Alexa Efraimson held off Elise Cranny in the featured 1500 metres running 4:16.87 on July 6[13] inEugene, Oregon at the 2014 US Junior Outdoor championships[13] to win her first US Junior title and qualify to theIAAF World Junior Outdoor championships.[14][15]
2014 IAAF World Junior Championships Efraimson raced the 1st round of the 1500 metres on July 25 at 12:15 PM PST and Final on July 27 at 3:55 PM PST.[16] Efraimson finished 4th in the prelims in 4:16.87 to Automatically Qualify to the final. Alexa finished 6th in final of the 1500 meters[17][18] in 4:13.31.[19]
16:09.44 PAYTON JORDAN May 2, 2015[20][21] 4:09.43Walnut (Hilmer Lodge), CA April 17, 2015[22][23] 2:01.13Portland, OR May 17, 2015 4:03.39 1500m PRE Classic May 30, 2015 (NewAmerican High School &Junior Record)
Alexa Efraimson competed well setting lifetime personal best in the following events. 800m2:00.99Portland (USA)May 15, 2016 1500m ind.4:09.20New York (USA)February 20, 2016Millrose Games Mile4:27.39Rovereto (ITA)06.09.2016 Mile ind.4:28.91New York (USA)February 20, 2016Millrose Games 3000m9:11.48Lausanne (SUI)August 25, 2016
Mile Road4:35.0hBrooklyn (USA)August 20, 2017 1500m4:04.75Heusden-Zolder (BEL)July 22, 2017 800m2:00.95Portland, OR (USA)11.06.2017 At the2017 USA Outdoor Track and Field Championships, placed 5th in1500 meters in 4:08.36.[25]Alexa Efraimson is ranked 20th in global rankings in the 1500 meters. 1500m4:17.54Des Moines (USA)April 29, 2017Drake Relays Mile ind.4:29.54New York (USA)November 2, 2017Millrose Games
Alexa Efraimson, the 2013 Nike Cross Nationals and 2014 USA Junior 1500-meter champion, has signed a contract withNike, and will forgo her final year of high school and collegiate racing eligibility. She'll continue to work with her high school coach, Michael Hickey.[28][29] Coach Hickey has consulted with Nike Oregon Project coach Alberto Salazar over several years and said that there could be situations where Efraimson joins Cain and other Nike athletes for workouts. Efraimson is represented by Flynn Sports Management.[30]
Camas Mayor Scott Higgins on Monday night, following his proclamation that Friday, August 8, would be "Alexa Efraimson Appreciation Day".[31]
On September 27, 2014, Alexa debuted as a professional athlete running for herNike sponsor atStanford Invitational 6 km cross country race where Efraimson finished 3rd after leading most of the race.[32]
Efraimson announced on her Instagram page on November 2, 2022, that she was retiring from her professional running career.
