Voisin and Slater to drive for Andretti in Madrid Rookie Test
- Teagan Crump
- Mar 16
- 2 min read
Written by Teagan Crump
Andretti Formula E have announced that Britons Callum Voisin and Freddie Slater will be joining them for the Madrid Rookie Test on March 22.
In 2026, Callum Voisin raced in the Asian Le Mans LMP3 category. He got one podium and one pole position, finishing the year in eighth in the standings. The Briton will also race in Porsche Carrera Cup GB after being picked as their Porsche Junior for 2026.
Voisin first tested Formula E machinery in 2025, joining Cupra Kiro for the Berlin Rookie Test. He finished fourth in the test and drove alongside Bianca Bustamante.
Following the news, Voisin said:
“I’m very excited to be joining Andretti Formula E for this year's rookie test. It will be my first time driving with Andretti and at the Jarama Circuit in Madrid, so I’m very much looking forward to the opportunity. I had a positive test last year at the Berlin Rookie Test, so I can't wait to build on what's been a fun and different experience to what I'm used to. I can't thank Andretti enough for the opportunity and I can't wait to get going.”
Freddie Slater is the reigning Formula Regional European Champion and currently races in Formula Three, where he sits third in the standings with 18 points after two. He also has one podium. In 2026, Slater has also raced in the Formula Regional Oceania Trophy, where he finished second in the standings with three wins and a further three podiums.
The Madrid Rookie Test will be Slater's first time in Formula E machinery.
In a statement, Slater said:
“Obviously, I'm very excited to get my first taste of Formula E machinery. It's been something I've been looking forward to for a while now, having always wanted the opportunity to drive an all-electric racecar. The Andretti name is incredibly iconic in motorsports, so having the opportunity to work with such a historic and successful organization means a lot. I just can’t wait to get started.”
Madrid Rookie Test - Driver Line-ups
Porsche - Elia Weiss, Ayhancan Güven
Cupra Kiro - Bianca Bustamante, Cian Shields
Envision Racing - Zak O'Sullivan, Ella Lloyd
Lola Yamaha ABT - Hugh Barter, Richard Verschoor
Jaguar - Juju Noda, Bryce Aron
DS Penske - Daniil Kvyat, Nikita Bedrin
Mahindra Racing - Kush Maini, Théophile Naël
Citroën Racing - Joshua Dürksen, Théo Pourchaire
Nissan - Victor Martins, Abbi Pulling
Andretti- Callum Voisin, Freddie Slater
This is a great opportunity for both Callum Voisin and Freddie Slater to get some valuable Formula E experience with Andretti. Voisin already had a solid run in the Berlin rookie test last year, so it'll be interesting to see how he builds on that. Slater's first taste of an all-electric racecar should be exciting too—especially given his strong form in F3 and FRECA recently. The full rookie test lineup looks really competitive this year. On a completely different note, for anyone curious, I recently came across the name Chicken X. Just a neutral mention. Thanks for sharing the news.
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