Guðrún Arnardóttir (born 24 September 1971) is a retired Icelandic athlete who specialized in the 400 metres hurdles. Her biggest success was reaching the final at the 2000 Olympic Games in Sydney where she finished seventh. In 2022, she was inducted in to the National Olympic and Sports Association of Iceland Hall of Fame.[1]
| Representing | ||||||
|---|---|---|---|---|---|---|
| 1986 | World Junior Championships | Athens, Greece | 32rd (h) | 100m | 12.62 (wind: +1.8 m/s) | |
| 34th (h) | 200m | 25.85 (wind: -0.4 m/s) | ||||
| 1990 | World Junior Championships | Plovdiv, Bulgaria | 18th (h) | 100 m hurdles | 14.30 (wind: +0.6 m/s) | |
| 1991 | Games of the Small States of Europe | Andorra la Vella, Andorra | bgcolor=silver | 2nd | 100 m | 12.26 |
| bgcolor=gold | 1st | 200 m | 24.72 | |||
| bgcolor=gold | 1st | 100 m hurdles | 14.19 | |||
| 1993 | World Championships | Stuttgart, Germany | 38th (h) | 100 m hurdles | 13.96 | |
| 1994 | European Championships | Helsinki, Finland | 25th (h) | 100m hurdles | 13.53 (wind: +0.8 m/s) | |
| 1995 | World Championships | Gothenburg, Sweden | 12th (sf) | 400 m hurdles | 57.29 | |
| 1996 | Olympic Games | Atlanta, United States | 10th (sf) | 400 m hurdles | 54.81 | |
| 1997 | World Indoor Championships | Paris, France | 15th (h) | 400 m | 53.41 | |
| Games of the Small States of Europe | Reykjavík, Iceland | bgcolor=gold | 1st | 200 m | 23.66 (w) | |
| bgcolor=gold | 1st | 400 m | 55.05 | |||
| bgcolor=gold | 1st | 100 m hurdles | 13.20 (w) | |||
| bgcolor=gold | 1st | 4 × 100 m relay | 48.03 | |||
| World Championships | Athens, Greece | 9th (sf) | 400 m hurdles | 54.93 | ||
| 1998 | European Championships | Budapest, Hungary | 4th | 400 m hurdles | 54.59 (NR) | |
| 1999 | World Championships | Seville, Spain | 19th (h) | 400 m hurdles | 55.45 | |
| 2000 | European Indoor Championships | Ghent, Belgium | 13th (h) | 60 m hurdles | 8.31 (=iNR) | |
| 9th (sf) | 400 m | 53.14 | ||||
| Olympic Games | Sydney, Australia | 7th | 400 m hurdles | 54.63 | ||
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