| Röð | Árangur | Vindur | Stig | Nafn | Afr | F.ár | Félag | Sería | | | |
| Kringlukast (1,0 kg) Pilta 15 ára - 19.08.2021 | | | | | | | | | | | |
| 1 | 34,52 | | | | Veigar Þór Víðisson | 2006 | GARPUR | X - 34,52 - P - P | | | |
| 2 | 27,22 Pb. | | | | Daníel Breki Elvarsson | 2006 | SELFOSS | 27,22 - X - X - P | | | |
| Kringlukast (1,5 kg) Pilta 16-17 ára - 19.08.2021 | | | | | | | | | | | |
| 1 | 28,18 Pb. | | | | Hreimur Karlsson | 2005 | SELFOSS | 28,18 - 27,73 - 24,58 - 27,80 | | | |
| Kringlukast (600gr) Stúlkna 15 ára - 19.08.2021 | | | | | | | | | | | |
| 1 | 30,34 Pb. | | | | Þórkatla Loftsdóttir | 2006 | HRUNAM. | 30,34 - 28,25 - 21,82 - 27,92 | | | |
| 2 | 26,95 | | | | Álfrún Diljá Kristínardóttir | 2006 | SELFOSS | 23,05 - X - 24,87 - 26,95 | | | |
| 3 | 23,57 Pb. | | | | Þórhildur Arnarsdóttir | 2006 | HRUNAM. | 23,57 - X - 22,24 - 21,77 | | | |
| Kringlukast (1,0 kg) Stúlkna 20-22 ára - 19.08.2021 | | | | | | | | | | | |
| 1 | 27,70 | | | | Ragnheiður Guðjónsdóttir | 2001 | HRUNAM. | X - X - X - 27,70 | | | |
| Kringlukast (1,0 kg) Stúlkna 16-17 ára - 19.08.2021 | | | | | | | | | | | |
| 1 | 23,83 | | | | Rebekka Georgsdóttir | 2005 | HRUNAM. | 22,58 - 23,83 - X - 22,64 | | | |
| 2 | 22,54 | | | | Árbjörg Sunna Markúsdóttir | 2005 | GARPUR | 22,54 - X - 17,89 - X | | | |
| 3 | 21,17 | | | | Bríet Anna Heiðarsdóttir | 2005 | ÞÓR | 19,87 - 18,43 - 18,35 - 21,17 | | | |