Pierre Délèze is a former Swiss middle distance runner who set a national record of 3:31.75 min when he won the 1500 m race at the meeting in Zurich in 1985. He also set a national record over the Mile in 3:50.38 min in Koblenz in 1982.

Délèze participated in the 1500 m final at the 1983 World Championships in Athletics

1983 World Championships in Athletics

The inaugural World Championships in Athletics were run under the auspices of the International Association of Athletics Federations and were held at the Olympic Stadium in Helsinki, Finland between August 7 and August 14, 1983....

 in Helsinki in which he fninshed sixth. The race was won by Steve Cram

Steve Cram

Stephen "Steve" Cram MBE is a British retired athlete. Along with fellow Britons Sebastian Coe and Steve Ovett, he was one of the world's dominant middle distance runners during the 1980s. Nicknamed "The Jarrow Arrow", Cram set world records in the 1500 metres, 2000 metres and the mile during a...

. In the 1987 World Championships in Athletics

1987 World Championships in Athletics

The 2nd World Championships in Athletics under the auspices of the International Association of Athletics Federations were held in the Stadio Olimpico in Rome, Italy between August 28 and September 6, 1987.-Track:1983 | 1987 | 1991 | 1993 | 1995...

 in Rome he finished fourth over 5000 m; the gold was won by Saïd Aouita

Said Aouita

Saïd Aouita is a former Moroccan athlete, winner of 5000 meters at the 1984 Summer Olympics, 5000 meters at the 1987 World Championships in Athletics, 3000 meters at the 1989 IAAF World Indoor Championships, and former world record holder at 1500m , 2000m , 3000m , and twice at 5000m [ and ]...

.