Fernando Alonso stepped up his preparations for his 24 Hours of Le Mans entry and FIA World Endurance Championship debut later this year by taking part in a private three-day test for Toyota at Motorland Aragon earlier this week.

Two-time Formula 1 world champion Alonso made his sports car racing debut last weekend in the Rolex 24 at Daytona, before announcing on Tuesday he would join up with Toyota for Le Mans and three further WEC races through 2018 alongside his McLaren commitments.

Toyota held a three-day test at Motorland Aragon in Spain this week that featured Alonso, regular season drivers Jose Maria Lopez, Mike Conway, Kazuki Nakajima and Kamui Kobayashi, as well as reserve driver Anthony Davidson.

Sebastien Buemi was the only driver not present for the test following the birth of his second child.

A Toyota Gazoo Racing spokesperson confirmed to Crash.net that the running also included an endurance test that ran through the night, with running going "well with no issues".

Toyota will return to the WEC for the 2018/19 'super season' despite the departure of rival manufacturer Porsche, fielding a pair of TS050 Hybrid LMP1 cars.

Alonso will make his official Toyota debut in the WEC at the 6 Hours of Spa in May.