RE: The Importance of Doing Difficult Things

50 a day for 4 days sounds quite the milestone. There's one challenge in Brazil (that happens to be literally outside my door) where people walk the entire coastal length (biggest beach in the world, totaling 225 kilometers). Average pace is between 30-35 kilometers per day carrying all the camping gear and water for at least 8 days. Record time is 27 hours by ultra runner Vitor Rodrigues. Anyways. Only mentioning this to say that you've got this.