Athlete Profile
Gunnar SUMNER
USA- Record (win / lose)
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- Record in 2026 (win / lose)
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Medal
| Competition Series |  Gold |
 Silver |
 Bronze |
|---|---|---|---|
| Olympic Games | 0 | 0 | 0 |
| World Taekwondo Championships | 0 | 0 | 0 |
| World Taekwondo Grand Prix | 0 | 0 | 0 |
| World Taekwondo Grand Slam | 0 | 0 | 0 |
Participation History
| Portugal Open 2026 | W -46kg |
Silver
|
||||
|---|---|---|---|---|---|---|
| F | GRE | Melina GEORGIOU | Lost | 0 - 2 | PTF | View |
| SF | GBR | Etta CHOI | Won | 2 - 1 | PTF | View |
| QF | ITA | Sofia ZAMPETTI | Won | 1 - 2 | PTF | View |
| R16 | POR | Patricia SALGUEIRO | Won | 2 - 0 | PTF | View |
| Pan American Taekwondo Championship 2026 | W -46kg | |||||
| QF | BRA | Julia SILVA NAZARIO | Lost | 0 - 2 | PTF | View |
| R16 | ECU | Joceline Michell CAICEDO | Won | 1 - 2 | PTF | View |
| 2026 US Open | W -46kg | |||||
| QF | HUN | Kamilah SALIM | Lost | 0 - 2 | PTF | View |
| R16 | USA | Marlene TORRES | Won | 2 - 0 | PTF | View |
| R32 | CAN | Angelique OROZCO | Won | 0 - 2 | PTF | View |
| 2026 Canada Open | W -46kg | |||||
| R16 | JPN | Hinata OKAZAKI | Lost | 0 - 2 | PTF | View |
| Dracula Open 2025 | W -46kg | |||||
| R16 | ITA | Alessia STURARI | Lost | 2 - 0 | PTF | View |