This page lists the World Best Year Performance in the year 2005 in both the men's and the women's hammer throw. The main event during this season were the 2005 World Athletics Championships in Helsinki, Finland, where the final of the men's competition was held on August 8, 2005. The women had their final four days later, on August 12, 2005.
| Rank | Mark | Athlete | Venue | Date | Note | |
|---|---|---|---|---|---|---|
| 1 | 86.73 m | 03.07.2005 | NR | |||
| 2 | 84.90 m | 21.07.2005 | PB | |||
| 3 | 81.45 m | 04.06.2005 | NR | |||
| 4 | 81.00 m | 03.07.2005 | ||||
| 5 | 80.85 m | 01.04.2005 | ||||
| 6 | 80.81 m | 19.02.2005 | ||||
| 7 | 80.63 m | 15.04.2005 | NR | |||
| 8 | 80.41 m | 29.05.2005 | NR | |||
| 9 | 80.03 m | 29.08.2005 | ||||
| 10 | 80.00 m | 04.06.2005 | PB | |||
| 11 | 79.92 m | 26.05.2005 | ||||
| 12 | 79.81 m | Szombathely, Hungary | 03.09.2005 | |||
| 13 | 79.56 m | 12.05.2005 | ||||
| 14 | 79.47 m | 15.07.2005 | ||||
| 15 | 79.46 m | 05.06.2005 | ||||
| 16 | 79.36 m | 13.07.2005 | PB | |||
| 17 | 79.35 m | 08.08.2005 | ||||
| 18 | 79.23 m | 18.06.2005 | ||||
| 19 | 78.97 m | 15.07.2005 | ||||
| 20 | 78.93 m | 03.07.2005 | PB | |||
| 21 | 78.85 m | 03.07.2005 | PB | |||
| 22 | 78.72 m | 04.06.2005 | ||||
| 23 | 78.43 m | 28.05.2005 | ||||
| 24 | 78.28 m | 06.05.2005 | ||||
| 25 | 78.25 m | 29.05.2005 | PB |
| Standing records prior to the 2005 season in track and field | |||||
|---|---|---|---|---|---|
| 76.07 m | August 29, 1999 | ||||
| Standing records after the 2005 season in track and field | |||||
| 77.06 m | July 15, 2005 | ||||
| Rank | Mark | Athlete | Venue | Date | Note | |
|---|---|---|---|---|---|---|
| 1 | 77.06 m | 15.07.2005 | WR | |||
| 2 | 76.66 m | 21.07.2005 | PB | |||
| 3 | 75.10 m | 12.08.2005 | ||||
| 4 | 74.95 m | 28.08.2005 | ||||
| 5 | 74.66 m | 11.07.2005 | NR | |||
| 6 | 74.27 m | 16.07.2005 | PB | |||
| 7 | 73.87 m | 25.06.2005 | NR | |||
| 8 | 73.59 m | 25.06.2005 | NR | |||
| 9 | 73.24 m | 24.06.2005 | PB | |||
| 10 | 73.08 m | 14.06.2005 | PB | |||
| 11 | 72.74 m | 15.07.2005 | PB | |||
| 12 | 72.51 m | 16.08.2005 | PB | |||
| 13 | 72.19 m | 29.07.2005 | ||||
| 14 | 71.95 m | 26.02.2005 | ||||
| 15 | 71.45 m | 15.05.2005 | NR | |||
| 16 | 71.08 m | 21.07.2005 | PB | |||
| 17 | 71.00 m | 13.03.2005 | PB | |||
| 18 | 70.91 m | 18.06.2005 | ||||
| 19 | 70.76 m | 23.07.2005 | ||||
| 20 | 70.59 m | 15.06.2005 | PB | |||
| 21 | 70.30 m | 02.07.2005 | ||||
| 22 | 70.15 m | 21.07.2005 | ||||
| 23 | 70.03 m | 13.05.2005 | PB | |||
| 24 | 69.85 m | 03.07.2005 | ||||
| 25 | 69.80 m | 21.07.2005 | PB |