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Jun 9 2013: Brian Lingenfelter places 20th at the Men Cat 3 Race at the Tulsa Tough - River Parks Riverview Criterium in a group sprint
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Jun 8 2013: Brian Lingenfelter places 50th at the Men Cat 3 Race at the Tulsa Tough - George Kaiser Family Foundation Brady Village Criterium in a group sprint
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Jun 7 2013: Brian Lingenfelter places 31st at the Men Cat 3 Race at the Tulsa Tough - McNellie's Group Blue Dome Criterium in a group sprint