For the first time since 1970, the NASCAR national series is returning to a dirt track.
What does that mean?
Then check back below for more coverage from a truly historic event.
Camping World Truck Series
The CarCash MudSummer Classic presented by CNBC Prime's The Profit, 9 p.m. ET, Wednesday, SPEED
Austin Dillon battled Kyle Larson for the last half of Wednesday's race at Eldora in a thrilling display from two of NASCAR's young stars. In the end, it was Dillon who earned the win in the first NASCAR national series race on dirt since 1970. " Read the full story
-- Dillon: First-person blog from Eldora
-- Truck regulars shine away from asphalt
-- Larson forced to settle for second
-- Schrader sets pole record
-- What is NASCAR's future on dirt?
-- Qualifying heat races results
-- Photos: The best images on Day 2
-- Title contenders in survival mode at Eldora
-- Photos: The best images from Day 1
-- Larson: Eldora is Darlington on dirt
-- Dirt legend Bloomquist playing role of rookie
-- Richard Petty recalls last NASCAR dirt race