Historic Sportscar Racing (HSR) Season-Opening HSR Spring Fling Concludes with Competitive Run of Sunday Feature Race Winners at Sebring International Raceway
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Five different Historic Sportscar Racing (HSR) Run Group winners were crowned after a clean-and-green B.R.M. Chronographes Endurance Challenge one-hour race Sunday that was the feature event of the final day of competition of the season-opening HSR Spring Fling at Sebring International Raceway.