| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2023 | Deportivo Municipal | Primera División | 11 | 1 | 1 | 3 | 0 | 6.7 |
| 2022 | Ayacucho | Primera División | 13 | 0 | 1 | 2 | 0 | 6.7 |
| 2021 | Ayacucho | Primera División | 14 | 1 | 1 | 1 | 1 | 6.7 |
| 2020 | Ayacucho | Primera División | 23 | 7 | 4 | 5 | 0 | 7.0 |
| 2019 | Universitario | Primera División | 6 | 0 | 0 | 2 | 0 | 6.5 |
| 2019 | Sport Boys | Primera División | 5 | 0 | 0 | 1 | 0 | 6.5 |
| 2018 | Sport Rosario | Primera División | 37 | 6 | 3 | 10 | 1 | 6.8 |
| 2016 | César Vallejo | Primera División | 12 | 1 | 0 | 0 | 0 | – |
| 2016 | Juan Aurich | Primera División | 20 | 2 | 0 | 2 | 0 | – |
| 2015/2016 | Académica | Primeira Liga | 0 | 0 | 0 | 0 | 0 | – |
| 2014/2015 | Académica | Primeira Liga | 4 | 0 | 0 | 0 | 0 | – |
| 2014 | Universitario | Primera División | 6 | 1 | 0 | 0 | 0 | – |
| 2013 | Universitario | Primera División | 32 | 3 | 0 | 1 | 0 | – |
| 2012 | Universitario | Primera División | 21 | 0 | 0 | 2 | 0 | – |
| 2011 | Cienciano | Primera División | 22 | 4 | 0 | 3 | 1 | – |
| 2010 | Alianza Lima | Primera División | 1 | 0 | 0 | 0 | 0 | – |
| 2009 | Alianza Lima | Primera División | 2 | 0 | 0 | 0 | 0 | – |
| Total | 229 | 26 | 10 | 32 | 3 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| 07 Nov 2023 | Ayacucho | Municipal | N/A | |
| 01 Apr 2021 | Universitario | Ayacucho | Free | |
| 01 Jan 2021 | Ayacucho | Universitario | N/A | |
| 01 Jun 2020 | Universitario | Ayacucho | Loan | |
| 07 Jan 2019 | Boys | Universitario | Free | |
| - | Sport Rosario | Boys | Free | |
| 01 Jan 2018 | UCV | Sport Rosario | Free | |
| - | Juan Aurich | UCV | N/A | |
| 01 Jan 2016 | Académica | Juan Aurich | N/A | |
| - | Universitario | Académica | N/A |
C. Olascuaga career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.