August 15, 20214 yr Moderators NASCAR has red-flagged the event after issues with the curbing caused a massive incident late in the race.The curbing caused issues earlier in the race as debris was wedged beneath it. Following a late-race debris yellow in the same area, NASCAR worked on the curbing.Even so, the following restart quickly devolved into chaos. On the second lap of green-flag running, the curbing finally ...Keep readingView the full article
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