Rocky Mountain Half Marathon

Rocky Mountain Half Marathon runs over August 6 and 7, 2027, in Estes Park, Colorado, beside Rocky Mountain National Park. The half marathon (13.1 mi) starts at 6:00 a.m. on a paved loop with 238 metres of climbing, and a 5K (3.1 mi) is held at 6:00 p.m.

Estes Park sits at about 7,500 feet, which matters far more than the 238 metres of climbing: an unacclimatised runner should expect to lose five to eight percent of their usual half-marathon pace, and pushing through that feeling rarely ends well. Arrive the day before rather than three days before, drink steadily from the moment you arrive, and treat the evening 5K as a bonus rather than a second race.