21 runners dead following extreme weather at Chinese ultramarathon

The Huanghe Shilin Mountain Marathon saw 21 deaths and an additional eight runners hospitalized

Course records fall at Arrowhead 135 despite extreme cold

There have been a number of DNF’s at the 135-mile ultra in northern Minnesota, and the 7 pm cutoff looms for those still on the course

Medical resources tested at Boston Marathon

Medical resources challenged as runners deal with sub-zero temps and heavy rain