Jacob Wahlenmaier joined the Case Western Reserve University cross country coaching staff prior to the start of the 2025 season.

Wahlenmaier comes to CWRU after spending the 2024 campaign as the Interim Head Coach for the men's and women's cross country programs at Pacific Lutheran University. He had previously served as an assistant for the cross country and track & field programs at Pacific Lutheran since 2016. As an assistant for the cross country program, Wahlenmaier helped the men's team win a share of the Northwest Conference Championship in 2018 while helping the team finish runner-up at the NWC meet five times. Wahlenmaier has additionally coached fou individual NWC men's cross country champions and two NCAA qualifiers. On the women's side, Wahlenmaier helped the Lutes place 10th at the NCAA West Region Championships while mentoring the program's first women's NCAA Division III Championship qualifier since 2004 during the 2022 campaign.

Prior to PLU, Wahlenmaier was an assistant coach at Division II Saint Martin's University along with coaching stops at Lindbergh High School and Kent Meridian High School.

Wahlenmaier graduated with a degree in political science from Seattle Pacific University and holds an associate's degree from Everett Community College. While in college, Wahlenmaier ran for both Everett CC and Seattle Pacific and worked two years as a counselor at SPU's Falcon Running Camp. He holds a USATF Level 1 Coaching License.