Global Global championships · since 1986 
Nairobi ↗, Kenya 17–22 Aug 2021
2021 World U20 Championships
Nairobi ↗, Kenya 17–22 Aug 2021- events
- 45
- medals awarded
- 135
- nations on the podium
- 36
- world records
- 0
Podiums
200m
wind +0.5400m
800m
1500m
3000m
5000m
3000m steeplechase
110m hurdles (99.0 cm)
wind +1.0
400m hurdles
High jump
Pole vault
Long jump
Triple jump
Shot put (6 kg)
Discus throw (1.75 kg)
Hammer throw (6 kg)
Javelin throw
10,000m race walk
Decathlon (U20)
4x100m
1 
Republic of South Africa WU20R 38.51
Republic of South Africa WU20R 38.51 4x400m
1 
Botswana 3:05.22
Botswana 3:05.22 Medal table
36 nations · 135 medals| # | Nation | Total | Share | |||
|---|---|---|---|---|---|---|
| 1 | Kenya KEN | 8 | 1 | 7 | 16 | |
| 2 |  Finland FIN | 4 | 1 | 0 | 5 | |
| 3 |  Nigeria NGR | 4 | 0 | 3 | 7 | |
| 4 |  Ethiopia ETH | 3 | 7 | 2 | 12 | |
| 5 |  Jamaica JAM | 3 | 6 | 2 | 11 | |
| 6 | Republic of South Africa RSA | 3 | 2 | 4 | 9 | |
| 7 | Botswana BOT | 3 | 1 | 0 | 4 | |
| 8 |  Sweden SWE | 3 | 0 | 0 | 3 | |
| 9 |  France FRA | 2 | 4 | 2 | 8 | |
| 10 |  Authorized Neutral Athletes ANA | 2 | 1 | 0 | 3 | |
| 11 |  Czech Republic CZE | 2 | 0 | 1 | 3 | |
| 12 |  Namibia NAM | 1 | 3 | 0 | 4 |
Serbia 
Estonia 
Canada 
Hungary 
Cyprus 
Latvia 
Uganda Records set
7 CR · 4 AU20R · 3 WU20R- CR Anthony Pesela 400m · Men 44.58
- CR Emmanuel Wanyonyi 800m · Men 1:43.76
- CR Tadese Worku 3000m · Men 7:42.09
- CR Mykolas Alekna Discus throw (1.75 kg) · Men 69.81
- CR Christine Mboma 200m · Women 21.84
- CR Silja Kosonen Hammer throw · Women 71.64
- CR Nigeria Mixed 4x400m · Mixed 3:19.70
- WU20R Sasha Zhoya 110m hurdles (99.0 cm) · Men 12.72
- WU20R Republic of South Africa 4x100m · Men 38.51
- AU20R Jamaica 4x100m · Men 38.61
- AU20R Poland 4x100m · Men 38.90
- AU20R Mire Reinstorf Pole vault · Women 4.15
- AU20R Mine de Klerk Discus throw · Women 53.50
- WU20R Jamaica 4x100m · Women 42.94