Keely, Corrine, and Hillary discuss some articles and books on mental toughness, what it means to them, and how some extreme levels of mental toughness may be unnecessary and avoidable in the sport of ultra running. This episode is brought to you by Freetrail @runfreetrail Freetrail NEW Website: www.freetrail.com - subscribe and JOIN US IN SLACK   Athletic Greens: Use link www.athleticgreens.com/trailsociety for a FREE 1 year supply of immune-supporting Vitamin D AND 5 FREE travel packs    The Feed: https://thefeed.com/trailsociety gets you $15 in free credit every 3 months ($60 for 2023)   Articles:   Alex Hutchinson’s article on Mental Toughness:https://www.outsideonline.com/health/training-performance/mental-toughness-research-2023/   Cited Research : https://www.tandfonline.com/doi/abs/10.1080/1612197X.2022.2161102   Corrine’s iRunFar article on Mental Flexibility: https://trainright.com/could-psychological-flexibility-be-more-important-than-mental-toughness/   Keely’s article on FreeTrail on Mental Toughness: https://freetrail.com/bigger-than-a-run-our-relationship-with-running/