A major problem facing the endurance program was that the contemporary variant of the now-venerable Soyuz was limited to a two-month stay in space; beyond this time, its propellant system would deteriorate.
(Photo courtesy of North Face Endurance Challenge).
Last Saturday at the North Face Endurance Challenge outside of San Francisco, I encountered more than one unexpected surprise.
But the biggest surprise of the North Face Endurance Challenge weekend actually came the evening after the race.
And now the North Face Endurance Challenge, along with the town of Tiburon, will always have a special meaning for the both of us.
Upon checking the results, I learned that I'd finished in the exact same place in the North Face Endurance Challenge 50K in Bellingham, Washington back in 2009.
But when celebrity ultramarathon runner Dean Karnazes emailed me and offered my boyfriend, Charlie, and me race entries in the North Face Endurance Challenge in the Marin Headlands, I figured I couldn't pass it up.
Photo courtesy of The North Face Endurance Challenge 6. Road Race: For the elite distance runners in the world, there are a number of million dollar marathons to choose from, however, not everyone shares the same inclination for racing marathon distances and prefer to keep their races in the 5 - 10 km range.
Badly injured, equipped with little more than a litre of water, a fishing line and a frying pan, he faces an endurance test of the most essential, stripped-back sort.
But, like its users, Fitbit faces an endurance test of its own as it tries to cement its place in what is quickly becoming a crowded market.
