NASCAR In-Season Challenge bracket, seeds, matchups. With just three races used to determine the seeding, there are some wonky matchups that could lead to major upsets.

The NASCAR In-Season Challenge begins this year with the Cup Series creating a new event during the regular season to ...

Get up to speed on the NASCAR In-Season Challenge with a look at who moved on from the first round and what the bracket looks ...

Here are all the details for the inaugural NASCAR In-Season Challenge, which kicks off Saturday night in Atlanta.

NASCAR's In-Season Challenge provided dramatic shocks following huge exits at Atlanta after an 18-car wreck dumped several ...

Chase Elliott wins Atlanta, Ty Dillon stuns Hamlin as 16 drivers advance in NASCAR's $1M In-Season Challenge to Chicago.

NASCAR In-Season Challenge bracket, seeds, matchups. With just three races used to determine the seeding, there are some wonky matchups that could lead to major upsets.

The wreck appeared to begin shortly after a Lap 69 restart with contact between Denny Hamlin, the top seed in the In-Season ...

NASCAR In-Season Challenge bracket, seeds, matchups. With just three races used to determine the seeding, there are some wonky matchups that could lead to major upsets.

NASCAR In-Season Challenge bracket, seeds, matchups. With just three races used to determine the seeding, there are some wonky matchups that could lead to major upsets.

NASCAR In-Season Challenge bracket, seeds, matchups. With just three races used to determine the seeding, there are some wonky matchups that could lead to major upsets.

NASCAR In-Season Challenge bracket is set, with 32 drivers facing off at EchoPark Speedway in a high-stakes midseason ...