# Czech Republic at the 2017 World Championships in Athletics

Czech Republic competed at the 2017 World Championships in Athletics in London, United Kingdom, from 4–13 August 2017.

## Medallists

| Medal | Athlete | Event | Date |
| Gold | Barbora Špotáková | Women's javelin throw | 8 August |
| Silver | Jakub Vadlejch | Men's javelin throw | 12 August |
| Bronze | Petr Frydrych | Men's javelin throw | 12 August |

## Results
### Men
#### Track and road events

| Athlete | Event | Heat | Heat | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Result | Rank | Result | Rank | Result | Rank |
| Pavel Maslák | 400 metres | 45.10 SB | 12 q | 45.24 | 17 | Did not advance | Did not advance |
| Jakub Holuša | 1500 metres | 3:42.31 | 13 Q | 3:38.05 | 1 Q | 3:34.89 | 5 |

#### Field events

| Athlete | Event | Qualification | Qualification | Final | Final |
| Athlete | Event | Distance | Position | Distance | Position |
| Michal Balner | Pole vault | 5.45 | 25 | Did not advance | Did not advance |
| Jan Kudlička | Pole vault | 5.45 | 19 | Did not advance | Did not advance |
| Radek Juška | Long jump | 8.24 | 1 Q | 8.02 | 10 |
| Ladislav Prášil | Shot put | 20,04 | 18 | Did not advance | Did not advance |
| Tomáš Staněk | Shot put | 20.76 | 9 Q | 21.41 | 4 |
| Petr Frydrych | Javelin throw | 86.22 SB | 2 Q | 88.32 PB | |
| Jaroslav Jílek | Javelin throw | 80.97 | 16 | Did not advance | Did not advance |
| Jakub Vadlejch | Javelin throw | 83.87 | 9 Q | 89.73 PB | |
| Vítězslav Veselý | Javelin throw | 75.50 | 26 | Did not advance | Did not advance |

#### Combined events – Decathlon

| Athlete | Event | 100 m | LJ | SP | HJ | 400 m | 110H | DT | PV | JT | 1500 m | Final | Rank |
| Adam Helcelet | Result | 11.28 | 7.03 | 14.57 | 2.02 | 49.51 | 14.38 | 44.71 SB | 4.90 | 71.56 PB | 4:36.85 SB | 8222 | 8 |
| Adam Helcelet | Points | 799 | 821 | 763 | 822 | 837 | 926 | 761 | 880 | 913 | 700 | 8222 | 8 |

### Women
#### Track and road events

| Athlete | Event | Heat | Heat | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Result | Rank | Result | Rank | Result | Rank |
| Simona Vrzalová | 1500 metres | DNF | – | Did not advance | Did not advance | Did not advance | Did not advance |
| Eva Vrabcová-Nývltová | Marathon | — | — | — | — | 2:29:56 PB | 14 |
| Zuzana Hejnová | 400 metres hurdles | 55.05 | 4 Q | 54.59 | 1 Q | 54.20 SB | 4 |
| Denisa Rosolová | 400 metres hurdles | 55.41 SB | 10 Q | 56.40 | 17 | Did not advance | Did not advance |
| Lucie Sekanová | 3000 metres steeplechase | 10:09.67 | 37 | — | — | Did not advance | Did not advance |
| Anežka Drahotová | 20 kilometres walk | — | — | — | — | DNF | – |

#### Field events

| Athlete | Event | Qualification | Qualification | Final | Final |
| Athlete | Event | Distance | Position | Distance | Position |
| Michaela Hrubá | High jump | 1.92 | 10 q | 1.92 | 11 |
| Romana Maláčová | Pole vault | 4.35 | =18 | Did not advance | Did not advance |
| Jiřina Ptáčníková | Pole vault | 4.35 | =18 | Did not advance | Did not advance |
| Amálie Švábíková | Pole vault | NH | – | Did not advance | Did not advance |
| Nikola Ogrodníková | Javelin throw | 59.99 | 17 | Did not advance | Did not advance |
| Barbora Špotáková | Javelin throw | 64.32 | 6 Q | 66.76 | |
| Kateřina Šafránková | Hammer throw | 70.67 | 11 q | 71.34 SB | 11 |

#### Combined events – Heptathlon

| Athlete | Event | 100H | HJ | SP | 200 m | LJ | JT | 800 m | Final | Rank |
| Kateřina Cachová | Result | 13.39 | 1.74 | 11.84 | 24.56 | 6.15 | 43.67 | 2:15.58 | 6070 | 15 |
| Kateřina Cachová | Points | 1069 | 903 | 651 | 928 | 896 | 738 | 885 | 6070 | 15 |
| Eliška Klučinová | Result | 14.03 | 1.86 | 14.80 | 24.72 | 6.16 | 41.91 | 2:13.00 | 6313 | 10 |
| Eliška Klučinová | Points | 974 | 1055 | 847 | 913 | 899 | 704 | 921 | 6313 | 10 |