Hsr prototype endurance challenge | RACER

Hsr prototype endurance challenge

Modern Endurance Challenge and HSR Prototype Challenge conclude HSR The Mitty weekend

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Modern Endurance Challenge and HSR Prototype Challenge conclude HSR The Mitty weekend

By RACER Staff - Apr 27, 2026, 7:55 AM ET

The 48th HSR The Mitty wrapped up its four-day meeting on Sunday, highlighted by a pair of hour-long Endurance Challenge races.