The course runs through a ski resort, moving between ski trails and wooded mountain terrain. The climb is real, and the obstacles are built into the natural features of the mountain rather than dropped into a flat field. Expect mud, uneven footing, and enough vertical to make your legs remember the day.
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Going by the 2026 results, this is a big field, and the spread of finish times is wide, so this is a mostly recreational race rather than one for club runners.
5K · 2026 results
Top 3: Nate Assa (34:43) · Camden Lewis (35:27) · Sam Mills (37:10)
The Tough Mountain Challenge has been held every year since at least 2010. That is as far back as RunSignup's records for this race go, so it may well be older.
Enter a finish time to see where it lands against the most recent 5K results.
How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Sep 22, 2026.
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Almost certainly not. Half the 5K field finished slower than 1:32:29, and the last recorded finisher came in around 4:12:44, so there is a long tail of runners behind the middle of the pack. Most fields are far slower than people expect.
With 2,205 finishers there are runners at every pace, so you are never out on your own. There is no qualifying time, and the finish-time spread above shows how varied the field really is. If it is your first 5K, that spread matters more than the winner's time.
The 5K winner ran 34:43 while the median finisher took 1:32:29. That spread points to a broad, mostly recreational field rather than a race dominated by club runners.