Am I Strong Enough To Participate In An Ultra? January 05, 2021 14:44 Updated If you are already asking yourself that question, then you are not strong enough to participate in this type of race. Related articles What Kind Of Obstacles Are In A Spartan Race? How Can I Find A Race Plan? What is Spartan Race? What is The Spartan Trifecta? Spartan Trail Which format and category should I choose?