| Title: | Subida a Udana |
| Place: | Oñati |
| Tracklength: | 4460 metres |
| Elevation change: | 215 metres |
| Altitude finishline: | 505 metres |
| GPS coordinates: | 43° 1′ 24.5994″ – -2° 22′ 40.8″ |
| Website: | |
| Fastest Time: | 2:11,667 |
| Average Speed: | 121,94 km/h |
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| Date | Winner | Car | Time | Final | |
|---|---|---|---|---|---|
| 14/07/2001 | Aitor Zabaleta |  | Lola BMW | 2:28,53 | Results |
| 13/10/2002 | Aitor Zabaleta | | Lola Telefonica | 2:17,50 | Results |
| 02/05/2010 | Aitor Zabaleta | | Lola BMW | 2:32,22 | Results |
| 30/04/2011 | Aitor Zabaleta | | Lola BMW | 2:21,144 | Results |
| 28/04/2012 | David Ardions | | Mitsubishi Lancer EVO VII | 2:46,429 | Results |
| 08/06/2013 | Aitor Arakistain | | Silver Car S2 | 2:44,991 | Results |
| 14/06/2014 | Aitor Zabaleta | | Lola BMW | 2:13,884 | Results |
| 13/06/2015 | Joseba Iraola | | Demon Car | 2:49,683 | Results |
| 25/06/2016 | Aitor Zabaleta | | Lola BMW | 2:14,298 | Results |
| 24/06/2017 | Aitor Zabaleta | | Lola BMW | 2:15,881 | Results |
| 23/06/2018 | Aitor Zabaleta | | Lola BMW | 2:11,667 | Results |
| 27/07/2019 | Joseba Olea | | Demon Car R2 | 2:48,187 | Results |
