2020 in NASCAR

In 2020, NASCAR sanctioned four national series:

2020 NASCAR Cup Series – the top racing series in NASCAR
2020 NASCAR Xfinity Series – the second-highest racing series in NASCAR
2020 NASCAR Gander RV & Outdoors Truck Series – the third-highest racing series in NASCAR
2020 ARCA Menards Series – the top racing series in ARCA (owned by NASCAR)

Touring series

eNASCAR iRacing Pro Invitational Series – The iRacing series that all-stars competed in during the COVID-19 pandemic.
2020 ARCA Menards Series West – One of the two regional ARCA Series
2020 ARCA Menards Series East – One of the two regional ARCA Series
2020 NASCAR Whelen Modified Tour – The modified tour of NASCAR
2020 NASCAR Whelen Euro Series – The top NASCAR racing series in Europe

Preceded by 2019 in NASCAR	NASCAR seasons 2020	Succeeded by 2021 in NASCAR

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