The trek is in and of itself a meditative event. There are so many miles of being present with what is happening in the now because there is nothing else... Your body, nature, the people with you, it is a walking meditation. The repetitive action of hiking and biking provides the perfect set up for getting in tune and grounded. Here is an article on meditation and endurance events.
https://www.zuberantlife.com/uncategorized/6-ways-meditation-can-improve-endurance-performance/