Fernando Alonso: Highs and lows of a two-time world champion

Updated 1703 GMT (0103 HKT) October 19, 2017
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Fernando Alonso will stay at McLaren in 2018. The British team announced a continuation of their partnership ahead of the US Grand Prix weekend. Clive Rose/Getty Images North America/Getty Images
Alonso in action at the 2017 British Grand Prix for McLaren. The Spaniard -- a popular figure in Formula One -- has endured a torrid few seasons. BEN STANSALL/AFP/AFP/Getty Images
Since rejoining McLaren in 2015, Alonso has had to contend with an under-performing Honda engine. Alonso scored just 11 points in 2015 finishing in 17th place in the drivers' championship. To date he has scored 10 points in 2017. David Ramos/Getty Images Europe/Getty Images
It's a far cry from his Renault days when Alonso won the 2005 drivers' championship by a comfortable 21-point margin... ANTONIO SCORZA/AFP/AFP/Getty Images
... and backed it up with another world title in 2006 with Renault, denying Michael Schumacher an eighth world title. Mark Thompson/Getty Images South America/Getty Images
Prior to joining McLaren in 2015, Alonso spent five seasons with Ferrari. Vladimir Rys/Getty Images AsiaPac/Getty Images
Despite numerous race wins, a championship victory continued to allude Alonso during his Ferrari days. He finished runner-up three times to Sebastian Vettel, then at Red Bull. Mark Thompson/Getty Images AsiaPac/Getty Images
Out of the running in the 2017 season, Alonso chose to skip the Monaco Grand Prix in May to compete at the Indianapolis 500 -- the famous 500-mile Indy Car race in the US. © 2017,Walt Kuhn/IndyCar Series
The Spaniard, who had never raced on oval circuits was in contention as the 200-lap race reached the closing stages before disaster struck with 21 laps remaining as a engine failure forced him to retire.
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Alonso is hopeful that McLaren's switch from Honda to Renault for the 2018 season will allow him to compete with the likes of Mercedes, Ferrari and Red Bull. Mark Thompson/Getty Images Europe/Getty Images
"I need to see some numbers -- some hopes to touch, not only dreams," the 36-year-old told CNN in July. Dan Istitene/Getty Images North America/Getty Images