Tanni's first Paralympics was Seoul in 1988, where she won a bronze medal in the 400m.
In 1992 she claimed victory in the London Wheelchair Marathon, the first of six wins over her career and then went on to the Barcelona Paralympics, where she won four gold medals in the 100m, 200m, 400m and 800 metres and a silver in the 4x100m relay. It was at Barcelona that Tanni became the first women to break the 60 second barrier for 400m.
Tanni won the 800 metres gold in the 1996 Atlanta Paralympics along with three silver medals in the 100, 200 and 400 metres.
At the 2000 Sydney Paralympics, Tanni returned won another four gold medals in the 100m, 200m, 400m and 800 metres.
Her final Paralympic Games as an athlete was Athens 2004, where she won gold in the 100m and 400m taking her medal tally to 11 golds.
Her total Paralympic Medal tally is 11 gold, 4 silvers and 1 bronze and added to that 5 gold, 4 silver and 3 bronze medals at World Championships.
Over her career, Tanni broke 30 World Records on the track and her personal bests are -
100m - 16.70 - 2003 Swiss Nationals
200m - 29.77 - 1996 Atlanta Open
400m - 56.28 - 2003 Swiss Nationals
800m - 1.53.35 - 1996 Atlanta Paralympics
1500m - 3.35.15 - 1998 Swiss Nationals
5000m - 12.32.61 - 1998 Swiss Nationals
10km - 24.03 - 1994 Mobile, California
Half marathon - 52.17 - 1997 Great North Run
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