|800m||Outdoor||1:56.34||Sam Howell Invitational||4/3/2015||Sophomore|
|1,500m||Outdoor||3:46.31||Sam Howell Invitational||4/3/2015||Sophomore|
|One Mile||Indoor||4:06.84||Armory Track Invitational||2/14/2015||Sophomore|
2014-15: Part of the winning 4x800m relay at the Outdoor Ivy League Championships ... Ran in Columbia's winning 4,000m distance medley relay at the IC4A/ECAC Championships ... Clocked a season best 3:46.31 in the 1,500m run at the New Balance Boston Twilight Meet.
2013-14: Finished the 8K at the Princeton XC Invitational in 24:51 for a season best.
High School: Ritz was named first team all-state in cross country in both 2011 and 2012 seasons. He is also a two-time first team INTER-AC League honoree in outdoor track and was named first team All-INTER-AC in Cross Country in 2011. Ritz finished as the runner-up in the 3200m at the PAISSA State Championships in 3200m and the runner-up at the Cross country PAISSA State Championships.