| Iaaf: | EST |
| Year: | 2015 |
| Games: | World Championships in Athletics |
| Location: | Beijing |
| Competitors: | 15 |
| Competitors Men: | 11 |
| Competitors Women: | 4 |
| Events: | 9 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Appearances: | auto |
| App Begin Year: | 1993 |
| Previous: | 2013 |
| Next: | 2017 |
Estonia 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 | Rasmus Mägi | style=text-align:left rowspan=2 | 400 metres hurdles | 49.18 | 2 Q | 48.76 | 5 | Did not advance | |
| style=text-align:left | Jaak-Heinrich Jagor | 50.29 | 8 | Did not advance | |||||
| style=text-align:left | Roman Fosti | style=text-align:left | Marathon | 2:20:35 | 20 | ||||
| style=text-align:left | Kaur Kivistik | style=text-align:left | 3000 metres steeplechase | 8:56.36 | 11 | Did not advance | |||
| Athlete | Event | Qualification | Final | ||||
|---|---|---|---|---|---|---|---|
| Distance | Position | Distance | Position | ||||
| style=text-align:left | Gerd Kanter | style=text-align:left rowspan=2 | Discus throw | 64.78 | 3 q | 64.82 | 4 |
| style=text-align:left | Martin Kupper | 61.59 | 16 | Did not advance | |||
| style=text-align:left | Tanel Laanmäe | style=text-align:left rowspan=3 | Javelin throw | 80.65 | 13 | Did not advance | |
| style=text-align:left | Magnus Kirt | 78.84 | 22 | Did not advance | |||
| style=text-align:left | Risto Mätas | 81.56 | 11 q | 76.79 | 12 | ||
| Athlete | Event | Final | Rank | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maicel Uibo | Result | 11.25 | 7.13 | 14.45 | 2.13 | 50.24 PB | 15.01 | 43.69 | 5.10 | 64.51 PB | 4:25.53 PB | 8245 | 10 |
| Points | 806 | 845 | 756 | 925 | 804 | 848 | 740 | 941 | 806 | 774 | |||
| Janek Õiglane | Result | 11.51 | 6.78 | 14.43 | 1.92 | 50.95 PB | 15.33 | 40.94 PB | 4.60 SB | 68.51 | 4:43.06 | 7581 | 19 |
| Points | 750 | 762 | 755 | 731 | 771 | 810 | 684 | 790 | 867 | 661 |
| Athlete | Event | Heat | Semifinal | Final | |||
|---|---|---|---|---|---|---|---|
| Result | Rank | Result | Rank | Result | Rank | ||
| style=text-align:left | Liina Luik | style=text-align:left rowspan=2 | Marathon | 2:39:42 PB | 27 | ||
| style=text-align:left | Lily Luik | 2:45:22 SB | 38 | ||||
| Athlete | Event | Final | Rank | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Grit Šadeiko | Result | 13.36 | 1.77 | 12.05 | 24.41 | 6.22 | 47.48 | 2:17.32 | 6213 | 15 |
| Points | 1071 | 941 | 664 | 942 | 918 | 817 | 860 |