Dominate the Obstacle Race Media UltraVirus 12-Hour Race – Mark Batres

Strength training for Spartan Race

            Full Transcript  [00:00:00] Rich Ryan: [00:00:00] we’re back in action today. Martha mattress is also back in action as we welcome him back for his second time, and today, Mark comes on because he did his first ultra marathon during VRM ultra virus race last month, which was a…

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