Hawk Item — Honorable mention All-American in a pair of events in 2013… school record holder in the 100 breaststroke (53.58) and as a member of the 400-medley relay (3:09.66)… has the second-best time in the 200 breaststroke (1:55.89)… has the second and sixth-best times in the 200-medley relay and the third and eighth in the 400-medley relay.
2013-14 — Set the school record in the 100-breast (53.58), besting his previous school record by .01 second… recorded NCAA ‘B’ qualifying times 100 and 200-breast… swam collegiate-bests in the 100 (53.58) and 200-breast (1:55.89) at Big Ten Championships and 50-free (21.16) at the Hawkeye Invitational… was a member of the team-leading 200 (1:26.33) and 400 (3:10.58) medley relay teams that posted NCAA provisional times… recorded 13 top-five individual finishes… finished seventh and ninth in the 100 and 200-breast, respectively, at Big Ten Championships… recipient of the Jim Marshall Award… letterwinner
2012-13 — Honorable mention All-America selection in the 200 and 400 medley relays at the NCAA Championships… swam the breaststroke leg of both relays… finished 13th in the 400-medley relay that posted a school-record time of 3:09.66 and 16th in 200-medley relay (1:26.42) at NCAAs… posted NCAA ‘B’ qualifying times in the 100 and 200 breast… swam a school-record time in the 100 breast (53.59) at the Big Ten Championships, finishing 11th overall… finished eighth in 200 breast (1:56.54) at the Big Tens with a time that ranks second in school history and swam a collegiate best in 50 free (21.27)… posted 11 top-five finishes… letterwinner.
2011-12 — Set school record in the 200 breast (1:57.88) at the Big Ten Championships… led the team in the 100 (54.89) and 200 (1:57.88) breast… finished eighth at the Big Ten Championships in the 200 breast (1:58.04)… recorded 11 top-five finishes… letterwinner.
2010-11 — Swam collegiate best times in the 100 breast (56.90), 200 breast (2:00.10) and 200 IM (1:55.14) at the Big Ten Championships…recorded six top-five finishes… letterwinner.
High School — Set school records in 200 IM (1:59.73), 100 breast (57.77), 200 medley relay (1:40.69) and 400 free relay (3:18.61)… Arizona high school state champion… high school All-American… 2009 Arizona state champion in 100 breast (57.77) and Arizona Central Regional Swimmer of the Year… 2009 high school team captain…coached by Jim Richardson… swam for Sun Devil Aquatics.
Personal — Born May 20, 1991… son of Amy and Ray Marciniak… mechanical engineering major.
Marciniak’s Collegiate Bests
| Event | Time | Meet | Date |
| 50 Free | 21.16 | Hawkeye Invitational | 12/6/13 |
| 100 Breast | 53.58 | at Big Ten Championships | 2/28/14 |
| 200 Breast | 1:55.89 | at Big Ten Championships | 3/1/14 |
| 200 IM | 1:53.87 | at Big Ten Championships | 2/23/12 |