- The first edition of the 4 Hours of Portimão was held on the 22 October 2017 and won by the no40 Graff Oreca 07-Gibson of Richard Bradley, James Allen and Gustavo Yacaman.
- Proton Competition has won the 4 Hours of Portimão four times, with Christian Ried being a member of all four crews in 2017, 2018, 2020 and 2023.
- United Autosports is the most successful team at Portimão with three LMP2 (2018, 2021 and 2023) and two LMP3 (2017 and 2020) victories.The Anglo-American team has also appeared on both the LMP2 and LMP3 podiums in every race from 2017 to 2021, and on the LMP3 podium in 2022.United Autosports have secured 14 podium finishes in the seven races held at Portimao.
- In 2022 Sarah Bovy, Michelle Gatting and Doriane Pin became the first all-female crew to win an ELMS race in their Iron Lynx run Ferrari 488 GTE EVO.
- In 2022 Malthe Jakobsen also set a new ELMS record when the Dane secured his sixth LMP3 pole position from six attempts in the no17 COOL Racing Ligier-Nissan, the first time all six pole positions in a season have gone to the same driver.
There are 16 previous winners of the 4 Hours of Portimão taking part in 2024 –
- Marino Sato (no22 United Autosports)2023LMP2
- Oliver Jarvis (no21 United Autosports)2023LMP2
- Torsten Kratz (no12 WTM b Rinaldi Racing)2023LMP3
- Leonard Weiss (no12 WTM by Rinaldi Racing)2023LMP3
- Oscar Tunjo (no12 WTM by Rinaldi Racing)2023LMP3
- Julien Andlauer (no60 Proton Competition)2023LMGTE
- Louis Deletraz (no14 AO by TF)2022LMP2
- Ferdinand Habsburg (no47 COOL Racing)2022LMP2
- Malthe Jakobsen (no37 COOL Racing)2022 /2023LMP3 / LMP2 P/A
- Sarah Bovy (no85 Iron Dames)2022LMGTE
- Michelle Gatting (no85 Iron Dames)2022LMGTE
- Charles Milesi (no65 Panis Racing)2021LMP2 P/A
- Matteo Cressoni (no60 Proton Competition)2021LMGTE
- James Dayson (no5 RLR M Sport)2019LMP3
- James Allen (no30 Duqueine Team)2017LMP2
- Matteo Cairoli (no9 Iron Lynx)2017LMGTE
Current Lap Records (Race)
- LMP2 - Mikkel JENSEN - 1m29.670 - 186.8kph - 1 Nov 2020
- LMP2 Pro/Am - Sebastien Montoya - 1m35.158 - 176.0kph - 20 Oct 2023
- LMP3 - Tom GAMBLE - 1m37.180 - 172.4kph - 1 Nov 2020
- LMGTE - Rahel FREY - 1m39.671 - 168.1kph - 1 Nov 2020
The fastest ELMS lap recorded at Portimão was set on 31 October 2020
Job VAN UITERT - 1m28.627 - 189.0kph - LMP2 Qualifying
- The longest race was held in 2020, with the winners completing 683.99km or 147 laps of the 4.653km circuit.
- The shortest race was held in 2019. Only 493.22km or 106 laps were completed.
The 4 Hours of Portimão is Round 6 of the 2024 European Le Mans Series and will be held on Saturday 19 October.
