Mark, a triathlete, takes part in the Norseman Xtreme Triathlon in Norway, known for being one of the toughest events on the planet. It's his first full-distance Ironman, and he's determined to complete it. The event starts with a 3.8-kilometer swim in the freezing waters of the Hardangerfjord, followed by a 180-kilometer bike ride, and finally, a 42.2-kilometer run. Mark faces various challenges, including cramping and mental struggles, but his support team, including his girlfriend Cassie and friend Fraser, helps him persevere. During the run, Mark hits a low point but is motivated by the prospect of reaching the top of Mount Gaustatoppen and earning a black finisher's t-shirt. With Fraser's help, Mark finds new energy and completes the event, describing the experience as one of the best things he's ever done.
Here are the key facts extracted from the text:
1. The Norseman Xtreme Triathlon is considered one of the toughest events on the planet.
2. The triathlon was first held in 2003 with 21 participants.
3. Today, there are thousands of applicants, with only 300 athletes selected to participate.
4. The triathlon starts with a 3.8-kilometer swim in the Hardangerfjord.
5. The bike course is 180 kilometers long and includes a 40-kilometer climb from sea level to over 1,200 meters.
6. The final 7-kilometer climb has a total elevation of 3,500 meters.
7. The run is 42.2 kilometers long and includes a 10-kilometer climb up Zombie Hill.
8. The run also includes a 17-kilometer section with over 1,700 meters of climbing.
9. Athletes are required to have a support crew that follows them throughout the day.
10. The support crew must run up the mountain section with the athlete.
11. The first 160 athletes to reach the top of Mount Gaustatoppen receive a black finisher's t-shirt.
12. The rest of the field receives a white finisher's t-shirt.
13. The finish line is located at the summit of Mount Gaustatoppen.
14. The final stretch involves climbing steps to reach the summit.