| Roles | Referee | |
|---|---|---|
| Sex | Female | |
| Full name | Marlene•Leyton Loayza | |
| Used name | Marlene•Leyton | |
| Born | 1 March 1974 in Miraflores, Lima |  PER |
| NOC | Peru | PER |
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 2008 Summer Olympics | Football (Football) | PER |
Marlene Leyton | ||||
| Football, Women (Olympic) | Match #4 | Norway — New Zealand | Linesman | ||||
| 2010 Summer Youth Olympics | Football (Football) | PER |
Marlene Leyton | ||||
| Football, Girls (YOG) | Match #2 | Equatorial Guinea — Trinidad and Tobago | Linesman | ||||
| Football, Girls (YOG) | Match 5/6 | Trinidad and Tobago — Papua New Guinea | Linesman |
