| Iaaf: | CZE |
| Fedname: | Český atletický svaz |
| Year: | 2015 |
| Games: | World Championships in Athletics |
| Location: | Beijing |
| Competitors: | 25 |
| Gold: | 1 |
| Silver: | 0 |
| Bronze: | 0 |
| Rank: | 15 |
| Previous: | 2013 |
| Next: | 2017 |
Czech Republic competed at the 2015 World Championships in Athletics in Beijing, China, from 22–30 August 2015.
(q – qualified, NM – no mark, SB – season best)
| Athlete | Event | Heat | Semifinal | Final | |||||
|---|---|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | ||||
| style=text-align:left | Pavel Maslák | style=text-align:left | 400 metres | 45.16 | 22 | did not advance | |||
| style=text-align:left | Jakub Holuša | style=text-align:left | 1500 metres | 3:43.66 | 30 | did not advance | |||
| style=text-align:left | Petr Svoboda | style=text-align:left | 110 metres hurdles | DQ | 13.67 | 23 | did not advance | ||
| style=text-align:left | Lukáš Gdula | style=text-align:left | 50 kilometres walk | DQ | |||||
| Athlete | Event | Qualification | Final | ||||
|---|---|---|---|---|---|---|---|
| Distance | Position | Distance | Position | ||||
| style=text-align:left | Jaroslav Bába | style=text-align:left | High jump | 2.31 SB | 8 Q | 2.29 | 7 |
| style=text-align:left | Michal Balner | style=text-align:left rowspan=2 | Pole vault | 5.70 | 7 Q | 5.65 | 7 |
| style=text-align:left | Jan Kudlička | 5.70 | 1 Q | 5.50 | 13 | ||
| style=text-align:left | Radek Juška | style=text-align:left | Long jump | 7.98 | 12 q | 7.57 | 11 |
| style=text-align:left | Jan Marcell | style=text-align:left rowspan=2 | Shot put | 20.32 | 11 q | 19.69 | 10 |
| style=text-align:left | Tomáš Staněk | 19.64 | 19 | did not advance | |||
| style=text-align:left | Lukáš Melich | style=text-align:left | Hammer throw | 72.12 | 20 | did not advance | |
| style=text-align:left | Petr Frydrych | style=text-align:left rowspan=3 | Javelin throw | 74.24 | 30 | did not advance | |
| style=text-align:left | Jakub Vadlejch | 78.95 | 20 | did not advance | |||
| style=text-align:left | Vítězslav Veselý | 83.63 | 4 Q | 83.13 | 8 | ||
| Athlete | Event | Final | Rank | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adam Helcelet | Result | 11.09 | 7.29 | 15.30 PB | 2.04 | 49.66 SB | 14.20 PB | 42.90 | 4.90 SB | 63.07 SB | 4:37.65 PB | 8234 SB | 11 |
| Points | 841 | 883 | 808 | 840 | 830 | 949 | 724 | 880 | 784 | 695 |
| Athlete | Event | Heat | Semifinal | Final | |||||
|---|---|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | ||||
| style=text-align:left | Zuzana Hejnová | style=text-align:left rowspan=2 | 400 metres hurdles | 54.55 | 4 Q | 54.24 | 1 Q | 53.50 WL | |
| style=text-align:left | Denisa Rosolová | 55.33 | 9 Q | 55.73 | 11 | did not advance | |||
| style=text-align:left | Lucie Sekanová | style=text-align:left | 3000 metres steeplechase | 9:45.72 | 27 | did not advance | |||
| style=text-align:left | Anežka Drahotová | style=text-align:left rowspan=2 | 20 kilometres walk | 1:30.32 | 8 | ||||
| style=text-align:left | Lucie Pelantová | 1:38.34 | 36 | ||||||
| Athlete | Event | Qualification | Final | |||||
|---|---|---|---|---|---|---|---|---|
| Distance | Position | Distance | Position | |||||
| style=text-align:left | Oldřiška Marešová | style=text-align:left | High jump | 1.89 | 19 | did not advance | ||
| style=text-align:left | Jiřina Ptáčníková | style=text-align:left | Pole vault | No mark | did not advance | |||
| style=text-align:left | Tereza Králová | style=text-align:left | Hammer throw | 61.39 | 30 | did not advance | ||
| style=text-align:left | Barbora Špotáková | style=text-align:left | Javelin throw | 65.02 | 3 Q | 60.08 | 9 | |
| Athlete | Event | Final | Rank | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Eliška Klučinová | Result | 14.06 | 1.86 | 13.79 | 25.39 | 6.10 | 51.09 PB | 2:19.48 | 6247 | 13 |
| Points | 970 | 1054 | 780 | 851 | 880 | 881 | 831 |