At the 1920 Summer Olympics held in Antwerp, 29 athletics events were contested, all for men only. The competitions were held from August 15, 1920, to August 23, 1920.
Medal summary
{|
|-
| 100 metres<br />
| ||10.8
| ||10.9
| ||10.9
|-
| 200 metres<br />
| ||22.0
| ||22.0
| ||22.2
|-
| 400 metres<br />
| ||49.6
| ||50.1
| ||50.2
|-
| 800 metres<br />
| ||1:53.4
| ||1:53.6
| ||1:53.6
|-
| 1500 metres<br />
| ||4:01.8
| ||4:02.4
| ||4:04.3
|-
| 5000 metres<br />
| ||14:55.6
| ||15:00.0
| ||15:13.0
|-
| 10,000 metres<br />
| ||31:45.8
| ||31:47.2
| ||31:50.8
|-
| 110 metres hurdles<br />
| ||14.8
| ||15.1
| ||15.1
|-
| 400 metres hurdles<br />
| ||54.0
| ||54.6
| ||54.7
|-
| 3000 metres steeplechase<br />
| ||10:00.4
| ||10:21.1
| ||10:32.0
|-valign="top"
| 4 × 100 metres relay<br />
| <br />Charles Paddock<br />Jackson Scholz<br />Loren Murchison<br />Morris Kirksey||42.2
| <br />René Lorain<br />René Tirard<br />René Mourlon<br />Émile Ali-Khan||42.5
| <br />Agne Holmström<br />William Petersson<br />Sven Malm<br />Nils Sandström||42.8
|-valign="top"
| 4 × 400 metres relay<br />
| <br />Cecil Griffiths<br />Robert Lindsay<br />John Ainsworth-Davis<br />Guy Butler||3:22.2
| <br />Henry Dafel<br />Clarence Oldfield<br />Jack Oosterlaak<br />Bevil Rudd||3:23.0
| <br />Géo André<br />Gaston Féry<br />Maurice Delvart<br />André Devaux||3:23.5
|-valign="top"
| 3000 metres team race<br />
| <br />Horace Brown<br />Arlie Schardt<br />Ivan Dresser||10 pts
| <br />Joe Blewitt<br />Albert Hill<br />William Seagrove||20 pts
| <br />Eric Backman<br />Sven Lundgren<br />Edvin Wide||24 pts
|-
| Marathon<br />
| ||2:32:35.8
| ||2:32:48.6
| ||2:36:32.8
|-
| 3 kilometres walk<br />
| ||13:14.2
| ||(13:19.6)
| ||(13:22.2)
|-
| 10 kilometres walk<br />
| ||48:06.2
| ||(49:40.2)
| ||(49:43.9)
|-
| Individual cross country<br />
| ||27:15.0
| ||27:17.6
| ||27:37.0
|-valign="top"
| Team cross country<br />
| <br />Paavo Nurmi<br />Heikki Liimatainen<br />Teodor Koskenniemi||10 pts
| <br />James Wilson<br />Anton Hegarty<br />Alfred Nichols||21 pts
| <br />Eric Backman<br />Gustaf Mattsson<br />Hilding Ekman||23 pts
|-
| High jump<br />
| ||1.936 m
| ||1.90 m
| ||1.90 m
|-
| Pole vault<br />
| ||4.09 m
| ||3.70 m
| ||3.60 m
|-
| Long jump<br />
| ||7.15 m
| ||7.095 m
| ||7.08 m
|-
| Triple jump<br />
| ||14.505 m
| ||14.48 m
| ||14.27 m
|-
| Shot put<br />
| ||14.81 m
| ||14.155 m
| ||14.15 m
|-
| Discus throw<br />
| ||44.685 m
| ||44.19 m
| ||42.13 m
|-
| Hammer throw<br />
| ||52.875 m
| ||48.43 m
| ||48.25 m
|-
| Javelin throw<br />
| ||65.78 m
| ||63.605 m
| ||63.095 m
|-
| weight throw<br />
| ||11.265 m
| ||10.965 m
| ||10.255 m
|-
| Pentathlon<br />
| ||14 pts
| ||24 pts
| ||26 pts
|-
| Decathlon<br />
| ||6803.355 pts
| ||6771.085 pts
| ||6580.030 pts
|}
Medal table
Participating nations
509 athletes from 25 nations competed. Czechoslovakia, Egypt, Estonia, Monaco, New Zealand, and Spain competed for the first time.
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