Then there’s the story of the miner in California who gave up his claim after digging for years.

10 years later someone bought the claim and struck one of the richest veins of gold ever found after digging only 3 more feet.

Perseverance is at the heart of ultramarathon running.

And perseverance comes from mindset.

Your mind will give out long before your body.

But there are times when you know it’s time to take a DNF!