Les 105 athlètes masculins se répartiront sur 9 épreuves comme suit :
 
100 M :
Shawn Crawford (USA), Derrick Atkins (BAH), David Alerte (FRA), Mark Jelks (USA), Churandy Martina (AHO), Francis Obikwelu (POR), Ronald Pognon (FRA), Wallace Spearmon (USA)
 
110 M haies :
Stanislav Olijar (LAT), Terrence Trammell (USA), Aries Merritt (USA), David Oliver (USA), Xiang Liu (CHN), Dayron Robles (CUB), Ladji Doucouré (FRA), Anwar Moore (USA)
 
400 M :
LaShawn Merritt (USA), Derrick Brew (USA), Leslie Djhone (FRA), Sanjay Ayre (JAM), Chris Brown (BAH), Tyler Christopher (USA), Alleyne Francique (GRN), Garry Kikaya (COD), Ydrissa M’Barke (FRA)
 
400 M Haies :
James Carter (USA), Kerron Clement (USA), Angelo Taylor (USA), Alwyn Myburgh (RSA), Kenji Narisako (JPN), Kenneth Fergusson (USA), Dai Tamesue (JPN), Michael Tinsley (USA)
 
1500 M :
Adil Kaouch (MAR), Bernard Lagat (USA), Mehdi Baala (FRA), Alex Kipchirchir (KEN), Youssef Baba (MAR), Suleiman Kispes Simotvo (KEN), Augustine Kiprono Choge (KEN), Alan Webb (USA), Nicholas Willis (NZL), Tarek Boukensa (ALG), Abdelslam Kenouche (ALG), Daniel Kipchirchir Komen (KEN), Shadrack Korir (KEN), Mounir Yemmouni (FRA)
 
3000 M :
Tariku Bekele (ETH), Yusuf Kibet Biwott (KEN), Jonas Cheruiyot (KEN), Abreham Cherkos Feleke (ETH), Gebre Gebremariam (ETH), Boniface Kiprotich Songok (KEN), Hicham Bellani (MAR), Alistair Cragg (IRL), Joseph Ebuya (KEN), Jesus Espana (ESP), Eliud Kipchoge (KEN), Moses Kipsiro (UGA), Moses Mosop (KEN), Sileshi Sihine (ETH), Edwin Cheruiyot Soi (KEN), Tadesse Tola (ETH)
 
3000 M Steeple :
Bouabdallah Tahri (FRA), Andelkader Hachlaf (MAR), Jukka Keskisalo (FIN), Reuben Kosgei (KEN), John Langat (KEN), Richard Kipkemboi Matelong (KEN), Birmin Kiprop Kipruto (KEN), Pauk Kipsiele Koech (KEN), José Luis Blanco (ESP), Antonio David Jimenez (ESP), Ezekiel Kemboi (KEN), Wesley Kiprotich (KEN), Michael Kipyego (KEN), Eliseo Martin (ESP), Julius Nyamu (KEN), Gary Roba (ETH)
 
Javelot :
Andreas Thorkildsen (NOR), Vadims Vasilevskis (LAT), Breaux Greer (USA), Sergey Makarov (RUS), Aleksandr Ivanov (RUS), Guillermo Martinez (CUB), Tero Pitkamaki (FIN), Scott Russell (CAN), Magnus Ardvisson (SUE), John Robert Oosthuizen (RSA), Vitolio Tipotio (FRA), Andrus Varnik (EST)
 
Triple saut :
Christian Olsson (SUE), Julien Kapek (FRA), Dimitrios Tsiamis (GRE), Walter Davis (USA), Yoandri Betanzos (CUB), Nelson Evora (POR), Philippe Idowu (GBR), Gregorio Jadel (BRE), Alexander Martinez (SUI), Marian Oprea (ROM), Aleksandr Petrenko (RUS), Osniel Tosca (CUB), Aarik Wilson (USA)
 
 
Les 78 athlètes féminins se répartiront sur 8 épreuves comme suit :
 
100 M :
Kerron Stewart (JAM), Melisa Barber (USA), Kim Gevaert (BEL), Lauryn Williams (USA), Stephanie Durst (USA), Allyson Felix (USA), Carmelita Jeter (USA), Christine Arron (FRA), Muriel Hurtis (FRA)
 
100 M Haies :
Susanna Kallur (SUE), Adrianna Lamalle (FRA), Lolo Jones (USA), Vonette Dixon (JAM), Priscilla Lopes (CAN), Virginia Powell (USA), Michele Perry (USA), Delloreen Ennis-London (JAM), Perdita Felicien (CAN)
 
400 M :
Sanya Richards (USA), Novlene Williams (JAM), DeeDee Trotter (USA), Solen Désert (FRA), Svetlana Pospelova (RUS), Olga Zaytseva (RUS), Nicola Sanders (GBR), Amy Mbacke Thiam (SEN)
 
400 M Haies :
Yulia Pechonkina-Nosova (RUS), Tiffany Ross-Williams (USA), Yevgeniya Isakova (RUS), Jana Pittman-Rawlinson (AUS), Natalya Ivanova (RUS), Anna Jesien (POL), Sheena Johnson (USA), Melaine Walker (JAM)
 
1500 M :
Iryna Lishchynska (UKR), Sarah Jamieson (AUS), Viola Kibiwot (KEN), Yelena Soboleva (RUS), Tatyana Tomashova (RUS), Olga Yegorova (RUS), Gelete Burika (ETH), Yulia Chizhenko-Fomenko (RUS), Lisa Corrigan (AUS), Lidia Chojecka (POL), Malindi Elmore (USA), Bouchra Ghezielle (FRA), Maryam Yusuf Jamal (BRN), Daniela Yordanova (BUL)
 
5000 M :
Kayoko Fukushi (JPN), Workitu Ayanu (ETH), Shalane Flanagan (USA), Kimberley Smith (NZL), Kayo Sugihara (JPN), Priscah Jepleting Ngetich (KEN), Jennifer Rhines (USA), Ejegayehu Dibaba (ETH), Tirunesh Dibaba (ETH), Florence Jebet Kiplagat (KEN), Olga Komyagina (RUS), Samira Mezeghrane (FRA)
 
Hauteur :
Kajsa Bergqvist (SUE), Tia Hellebaut (BEL), Amy Acuff (USA), Marina Aitova (KAZ), Blanka Vlasic (CRO), Antonietta Di Martino (ITA), Mélanie Skotnik (FRA), Vita Palamar (UKR), Yelena Slesarenko (RUS), Ruth Beitia (ESP)
 
Perche :
Yelena Isinbayeva (RUS), Vanessa Boslak (FRA), Alana Boyd (AUS), Kym Howe (AUS), Yulia Golubchikova (RUS), Tatyana Polnova (RUS), Monica Pyrek (POL), Svetlana Feofanova (RUS), Carolin Hingst (GER), Silke Spiegelburg (GER)