2012 — Indoor – anchored 1,600-meter relay that placed sixth with a team-leading 3:41.78 at Big Ten Championships… that time ranks sixth all-time at Iowa… ran third leg on 1,600-meter relay that placed second at Iowa State Classic in 3:42.42… that time ranks seventh all-time at Iowa… ran season-best 200 meters (26.46) at Adidas Classic, 400 meters (56.65) at Iowa State Classic and 500 meters (1:19.40) at New Year’s Classic… Outdoor – anchored team-leading 1,600-meter relay (3:37.57) at LSU Invite, which ranks fourth all-time at Iowa… ran 400 meters at Tom Botts Invite (55.01), Musco Twilight XIII (55.56) and LSU Invite (55.83).
High School — placed third in 400 meters at 2010 U18 German Championships and seventh in 800 meters at 2008 U18 German Championships… best times were 55.42 in 400 meters, 2:13.08 in 800 meters and 6:48 in 2,000 meters… member of German National U18 team that competed against Polist team in 2010.
Personal — born April 1, 1993… daughter of Michael and Susanne Sack… art major.
Sack’s Collegiate Bests
| Event | Time | Meet | Date |
| 200 Meters (I) | 26.46 | at Adidas Classic | 1/21/12 |
| 400 Meters (I) | 56.65 | at Iowa State Classic | 2/10/12 |
| 400 Meters (O) | 55.01 | at Tom Botts Invitational | 4/14/12 |