At the 1904 Summer Olympics, twenty-four athletics events were contested. Only men were competing.
60 m, Men
| Pos | Athlete |
| 1 | Archie Hahn (USA) |
| 2 | William Hogenson (USA) |
| 3 | Fay Moulton (USA) |
100 m, Men
| Pos | Athlete |
| 1 | Archie Hahn (USA) |
| 2 | Nate Cartmell (USA) |
| 3 | William Hogenson (USA) |
200 m, Men
| Pos | Athlete |
| 1 | Archie Hahn (USA) |
| 2 | Nate Cartmell (USA) |
| 3 | William Hogenson (USA) |
400 m, Men
| Pos | Athlete |
| 1 | Harry Hillman (USA) |
| 2 | Frank Waller (USA) |
| 3 | Herman Groman (USA) |
800 m, Men
| Pos | Athlete |
| 1 | Jim Lightbody (USA) |
| 2 | Howard Valentine (USA) |
| 3 | Emil Breitkreutz (USA) |
1500 m, Men
| Pos | Athlete |
| 1 | Jim Lightbody (USA) |
| 2 | William Frank Verner (USA) |
| 3 | Lacey Hearn (USA) |
110 m Hurdles, Men
| Pos | Athlete |
| 1 | Frederick Schule (USA) |
| 2 | Thaddeus Schideler (USA) |
| 3 | Lesley Ashburner (USA) |
200 m Hurdles, Men
| Pos | Athlete |
| 1 | Harry Hillman (USA) |
| 2 | Frank Castleman (USA) |
| 3 | George Poage (USA) |
400 m Hurdles, Men
| Pos | Athlete |
| 1 | Harry Hillman (USA) |
| 2 | Frank Waller (USA) |
| 3 | George Poage (USA) |
2590 m Steeple, Men
| Pos | Athlete |
| 1 | Jim Lightbody (USA) |
| 2 | John Daly (GBR/IRL) |
| 3 | Arthur Newton (USA) |
Marathon, Men
| Pos | Athlete |
| 1 | Thomas Hicks (USA) |
| 2 | Albert Coray (FRA) |
| 3 | Arthur Newton (USA) |
4 miles Team (6,437 m), Men
| Pos | Athlete |
| 1 | New York AC (USA) |
| Arthur Newton, George Underwood, Paul Pilgrim, Howard Valentine, David Munson | |
| 2 | Chicago AA (USA/FRA) |
| Jim Lightbody (USA), William Frank Verner (USA), Lacey Hearn (USA), Albert Corey (FRA), Sidney Hatch (USA) | |
High Jump, Men
| Pos | Athlete |
| 1 | Samuel Jones (USA) |
| 2 | Garrett Serviss (USA) |
| 3 | Paul Weinstein (GER) |
Pole Vault, Men
| Pos | Athlete |
| 1 | Charles Dvorak (USA) |
| 2 | LeRoy Samse (USA) |
| 3 | Louis Wilkins (USA) |
Long Jump, Men
| Pos | Athlete |
| 1 | Meyer Prinstein (USA) |
| 2 | Daniel Frank (USA) |
| 3 | Robert Stangland (USA) |
Triple Jump, Men
| Pos | Athlete |
| 1 | Meyer Prinstein (USA) |
| 2 | Frederick Englehardt (USA) |
| 3 | Robert Stangland (USA) |
Standing High Jump, Men
| Pos | Athlete |
| 1 | Ray Ewry (USA) |
| 2 | Joseph Stadler (USA) |
| 3 | Lawson Robertson (USA) |
Standing Long Jump, Men
| Pos | Athlete |
| 1 | Ray Ewry (USA) |
| 2 | Charles King (USA) |
| 3 | John Biller (USA) |
Standing Triple Jump, Men
| Pos | Athlete |
| 1 | Ray Ewry (USA) |
| 2 | Charles King (USA) |
| 3 | Joseph Stadler (USA) |
Shot Put, Men
| Pos | Athlete |
| 1 | Ralph Rose (USA) |
| 2 | Wesley Coe (USA) |
| 3 | Lawrence Feuerbach (USA) |
Discus Throw, Men
| Pos | Athlete |
| 1 | Martin Sheridan (USA) |
| 2 | Ralph Rose (USA) |
| 3 | Nikolaos Georgantas (GRE) |
Hammer Throw, Men
| Pos | Athlete |
| 1 | John Flanagan (USA) |
| 2 | John DeWitt (USA) |
| 3 | Ralph Rose (USA) |
56 lb (25.4 kg) Weight Throw, Men
| Pos | Athlete |
| 1 | Etienne Desmarteau (CAN) |
| 2 | John Flanagan (USA) |
| 3 | James Mitchel (USA) |
All-Around Championship, Men
| Pos | Athlete |
| 1 | Thomas Kiely (GBR/IRL) |
| 2 | Adam Gunn (USA) |
| 3 | Truxton Hare (USA) |