Team In Training (TNT) – Cross Country Ski Sisu: A Finnish term loosely translated to mean resilience, tenacity, determination, and perseverance. When is the last time you have had the opportunity to let your sisu shine through? The Leukemia & Lymphoma Society’s Team In Training knows that each day millions of men, women and children tap into their inner reserves to find that special strength to continue the fight against an overwhelming enemy: cancer. And each year, hundreds of everyday people (like you!) cross a finish line wearing Team In Training gear doing something to support the millions fighting cancer; knowing they have the persistence, willpower, and long-term dedication to reach a goal and overcome any obstacle. TNT participants do it, not for themselves, but to help fuel the sisu in those that are still fighting cancer. Want to tap into your inner sisu this winter? Then explore cross country skiing with TNT! Never skied before? Explored downhill and only dabbled in cross country? Been a classic skier your whole life and looking to try skate skiing? Ski all the time and looking to give back while participating in a sport you love? No matter where you start, we will get you to the finish. Team In Training provides the coaches, support and dedicated staff necessary to get you let your inner sisu shine. Join Team In Training for A season of Will A season of Strength & Determination A season of Perseverance & Courage A season of … SiSu Team In Training (TNT): Saving lives one mile at a time.