Boris Yosifov
| Nationality | |
| Year of birth | 1991 |
| IOF ID | 18290 |
| Sex | Male |
| Clubs |
|
| Discipline | FootO, SkiO |
FootO results
| Date | Championship/Cup/WRE | Organising federation | Format | Race Type/Class | Plac | Time | Diff | Km time | |
|---|---|---|---|---|---|---|---|---|---|
| 05/09/2025 | SEE(M)OC Long distance |
|
Long | Men | 23 | 2:08:25 | +41:50 | 13:20 |  |
| 04/09/2025 | SEE(M)OC Middle distance |
|
Middle | Men | 24 | 51:38 | +15:32 | 10:41 | |
| 11/04/2010 | Brown Cup |
|
Middle | Men | 41 | 1:31:54 | +48:17 | |
SkiO results
| Date | Championship/Cup/WRE | Organising federation | Format | Race Type/Class | Plac | Time | Diff | Km time | |
|---|---|---|---|---|---|---|---|---|---|
| 05/02/2010 | World Cup Event 7 |
|
Middle | Men | 34 | 1:01:00 | +19:59 | |
|
| 03/02/2010 | World Cup Event 6 |
|
Long | Men | disqualified | |
|||
| 02/02/2010 | World Cup Event 5 |
|
Sprint | Men | 34 | 19:47 | +6:05 | |
|
| 14/02/2008 | World Cup Event 8 |
|
Sprint | Men | 60 | 28:33 | +12:07 | |
|