Elise Lagerstrom was born in Salt Lake City, Utah and raised in Gresham, Oregon. Elise grew up swimming competitively, joining the swim team at the age of six. In high school, Elise was a 12-season athlete, earning nine varsity letters in cross-country, swimming and tennis.  Elise moved away from the Pacific Northwest to pursue her B.S. in Human Factors Psychology from Embry-Riddle Aeronautical University in Florida where she played collegiate tennis.

After graduation, Elise moved to Colorado to earn masters and doctoral degrees from Colorado State University. During her time in Fort Collins, she joined the CSU triathlon team, competing in both sprint draft-legal and Olympic length races.

Elise began racing long course triathlon in 2016, starting with the St. George 70.3. She won her age group at her first race, earning a slot to the 2016 70.3 World Championships in Mooloolaba. Elise also won her age group at her second 70.3 in Whistler, B.C., earning a slot for the 2017 70.3 World Championships in Chattanooga. She finished out the 2016 season ranked 7th in the World in her age group (18-24) in the 70.3 distance. In 2017, Elise competed at the Whistler 70.3, where she finished 20th overall amateur female. The 2018 season brought a host of frustrations as the swim was cancelled at 3 out of 4 of her key races, but Elise salvaged the season with a PR podium finish at the Indian Wells 70.3. earning her qualification for the 2019 70.3 World Championships in France. In June 2019 Elise continued her winning streak at Panama City 70.3 and Coeur d’Alene 70.3 where she finished third overall woman and earned her pro card.

Elise recently finished her Ph.D. in Occupational Safety and Ergonomics and returned to Oregon where she works as a mishap investigator for Insitu Inc. in Hood River. Elise is coached by Shawn Bostad and trains with Portland Triathlon Club and the BATWomen.