| Grete Griffin | |
| Birth Date: | 1993 5, df=yes |
| Birth Place: | Türi, Estonia |
| Sport: | Heptathlon |
| Coach: | Leonhard Soom |
| Club: | KJK Järvala |
| Pb: | 5813 p |
Grete Griffin (née Šadeiko; born 29 May 1993)[1] is an Estonian heptathlete. At the 2010 World Junior Championships in Moncton, Canada she placed fourth with her personal record 5705 points, just one point behind Helga Margrét Thorsteinsdóttir.[2] In the fall of 2012, she joined Florida State University.
| Year | Tournament | Venue | Points | Rank | Event |
|---|---|---|---|---|---|
| 2010 | World Junior Championships | Moncton, Canada | 5705 pts PB | 4th | Heptathlon |
| 2012 | World Junior Championships | Barcelona, Spain | 5517 pts | 9th | Hepthatlon |
| 2015 | European U23 Championships | Tallinn, Estonia | 5813 pts PB | 5th | Hepthatlon |
| Event | Indoor | Outdoor |
|---|---|---|
| 7.77 s | ||
| 25.40 s | 24.52 s | |
| 2:23.22 min | 2:16.08 min | |
| 8.60 s | ||
| 13.92 s | ||
| 1.74 m | 1.76 m | |
| 5.98 m | 6.02 m (+1.3) 6.17 m (+2.4) | |
| 12.16 m | 12.61 m | |
| 46.42 m | ||
| 4,105 p | ||
| 5813 p | ||
In August 2016, Šadeiko became romantically linked to NFL quarterback Robert Griffin III.[3] Sadeiko and Griffin became engaged on 13 May 2017.[4] Their first daughter was born on 2 July 2017.[5] The couple married on 10 March 2018.[6] Their second daughter was born in September 2019 and their third daughter was born in January 2023. Sadeiko has a stepdaughter through her marriage to Griffin.[7]
Šadeiko's older sister Grit Šadeiko is also a heptathlete.