Final answer:
Certain racers are more likely to do well in the Yukon 1000 due to their mental and physical endurance.
Step-by-step explanation:
According to the article, some racers are more likely to do well in the Yukon 1000 because they have both mental and physical endurance. The race is a test of not only physical strength and stamina but also mental resilience and determination. The ability to push through challenging conditions and maintain a strong mindset can give certain racers an advantage.
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