Cloud State University alum captured the 2010 NCAA Division II indoor track and field title in the pentathlon.

[5][6] Miller-Koch is a part-time operating room nurse, specializing in orthopedic surgery at United Hospital in St. Paul, Minnesota.

[7] She finished ninth in the heptathlon at the 2012 United States Olympic Trials (track and field) and qualified to represent Team USA.

[9] Miller finished fourth in the heptathlon at the 2014 USA Outdoor Track and Field Championships in Sacramento, California, scoring 6100.

[11] Miller-Koch finished second and scored a personal best 6423 points in the heptathlon to join Team USA teammates Barbara Nwaba and Kendell Williams at the 2016 United States Olympic Trials (track and field) and represented the United States at Athletics at the 2016 Summer Olympics – Women's heptathlon, finishing 18th.