| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Vilém STRÁSKÝ | 03/07/1999 | 60 Metres | Heptathlon | 3 | 6.94 |
| M | Ondřej KOPECKÝ | 16/05/1998 | 60 Metres | Heptathlon | 5 | 7.07 |
| M | Vilém STRÁSKÝ | 03/07/1999 | Long Jump | Heptathlon | 5 | 7.35 |
| M | Ondřej KOPECKÝ | 16/05/1998 | Long Jump | Heptathlon | 4 | 7.42 |
| W | Lurdes Gloria MANUEL | 12/07/2005 | 400 Metres | Round 1 | 1 | 51.08 |
| W | Lada VONDROVÁ | 06/09/1999 | 400 Metres | Round 1 | 3 | 52.16 |
| M | Tomáš HORÁK | 05/03/2008 | 400 Metres | Round 1 | 1 | 45.89 |
| W | Kimberley FICENEC | 23/07/1994 | 800 Metres | Round 1 | 6 | 2:05.40 |
| M | Ondřej KOPECKÝ | 16/05/1998 | Shot Put | Heptathlon | 9 | 14.53 |
| M | Vilém STRÁSKÝ | 03/07/1999 | Shot Put | Heptathlon | 11 | 14.24 |
| M | Ondřej KOPECKÝ | 16/05/1998 | High Jump | Heptathlon | 12 | 1.90 |
| M | Vilém STRÁSKÝ | 03/07/1999 | High Jump | Heptathlon | 11 | 1.93 |
| W | Lurdes Gloria MANUEL | 12/07/2005 | 400 Metres | Semi-Finals | 1 | 50.96 |
| M | Tomáš HORÁK | 05/03/2008 | 400 Metres | Semi-Finals | 2 | 46.03 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Vilém STRÁSKÝ | 03/07/1999 | 60 Metres Hurdles | Heptathlon | 1 | 7.88 |
| M | Ondřej KOPECKÝ | 16/05/1998 | 60 Metres Hurdles | Heptathlon | 5 | 8.31 |
| M | Jonáš KOLOMAZNÍK | 24/02/2003 | 60 Metres Hurdles | Round 1 | 3 | 7.72 |
| M | Štěpán ŠTEFKO | 20/03/2004 | 60 Metres Hurdles | Round 1 | 5 | 7.71 |
| W | Karolína MAŇASOVÁ | 26/11/2003 | 60 Metres | Round 1 | 3 | 7.19 |
| M | Vilém STRÁSKÝ | 03/07/1999 | Pole Vault | Heptathlon | 3 | 5.10 |
| M | Ondřej KOPECKÝ | 16/05/1998 | Pole Vault | Heptathlon | 11 | 4.60 |
| M | Jan ŠTEFELA | 20/04/2001 | High Jump | Final | 6 | 2.26 |
| M | David HOLÝ | 04/03/1998 | Pole Vault | Final | 12 | 5.50 |
| M | Tomáš HORÁK | 05/03/2008 | 400 Metres | Finals | 4 | 45.70 |
| M | Ondřej KOPECKÝ | 16/05/1998 | 1000 Metres | Heptathlon | 7 | 2:44.04 |
| M | Vilém STRÁSKÝ | 03/07/1999 | 1000 Metres | Heptathlon | 2 | 2:33.25 |
| M | Jonáš KOLOMAZNÍK | 24/02/2003 | 60 Metres Hurdles | Semi-Finals | 4 | 7.61 |
| W | Karolína MAŇASOVÁ | 26/11/2003 | 60 Metres | Semi-Finals | 3 | 7.14 |
| W | Lurdes Gloria MANUEL | 12/07/2005 | 400 Metres | Finals | 1 | 50.76 |
| Sex | Athlete | DOB | Discipline | Round | POS | Mark |
|---|---|---|---|---|---|---|
| M | Czechia | 4x400 Metres Relay | Round 1 | 4 | 3:07.53 | |
| W | Czechia | 4x400 Metres Relay | Round 1 | DQ | ||
| W | Amálie ŠVÁBÍKOVÁ | 22/11/1999 | Pole Vault | Final | 3 | 4.70 |