Keska competed collegiately for University of Oregon from 1992 to 1996, where he was an All-American (10,000 m) and three time PAC-10 Conference Champion (10,000 m in 1995, 1996, cross-country in 1995).
Keska was a collegiate athlete at the University of Oregon from 1992 to 1996, excelling as an All-American (10,000 m) and winning multiple conference championships in cross-country and track events.