If all athletes in history took a time machine to compete in one championship track meet, these would be the results (limited to 3 athletes per country):
Men's 1500m Final:
1 Hicham El Guerrouj MAR 3:26.48
2 Bernard Lagat KEN 3:27.87
3 Asbel Kiprop KEN 3:28.18
4 Noureddine Morceli ALG 3:28.26
5 Noah Ngeny KEN 3:28.64
6 Venuste Niyongabo BDI 3:29.96
7 Ayanleh Souleiman DJI 3:30.28
8 Taoufik Makloufi ALG 3:30.36
9 Said Aouita MAR 3:30.40
10 Mehdi Baala FRA 3:30.54
11 Abdelati Iguider MAR 3:30.60
12 Ali Saidi-Sief ALG 3:30.63
Previous Event Medalists:
Mens:
100m: G - Usain Bolt JAM; S - Tyson Gay USA; B - Yohan Blake JAM
200m: G - Usain Bolt JAM; S - Yohan Blake JAM; B - Michael Johnson USA
400m: G - Michael Johnson USA; S - Wayde van Niekerk RSA; B - Jeremy Wariner USA
800m: G - David Rudisha KEN; S - Wilson Kipketer DEN; B - Joaquim Cruz BRA
Womens:
100m: G - Florence Griffith-Joyner USA; S - Marion Jones USA; B - Carmelita Jeter USA
200m: G - Florence Griffith-Joyner USA; S - Merlene Ottey JAM; B - Marita Koch GDR
400m: G - Marita Koch GDR; S - Jarmila Kratochvilova CZE; B - Olga Bryzgnina UKR
800m: G - Pamela Jelimo KEN; S - Caster Semenya RSA; B - Jarmila Kratochvilova CZE