Links to the world of motorsport:
r/IndyCar – Reddit – popular online community discussing the NTT IndyCar Series
Ten-Tenths Motorsport – One of the largest motorsport forums with a highly active userbase. Covering all motorsports from local level to the pinacle of international motorsport – F1.
Mobil 1 The Grid – the home of motorsport videos including F1, IndyCar, WEC, NASCAR, WRC and more.
Oilpressure – long-running and respected IndyCar-only blog by George Philips.
Formula 1 – Reddit – massive online community discussing the Formula 1 World Championship.
IndyCar.com – official site of the NTT IndyCar Series.
F1.com – official site of the Formula 1 World Championship.
Motorsport.com – global motor sport news
Autosport.com – motor sport news (same as Motorsport.com but with a British slant)
IndyCar Timing & Scoring – live timing & scoring from the Verizon IndyCar Series.
RACER – the online home of RACER Magazine – racing news.
IndyCar UK – online community for IndyCar fans based in the UK.