Why Kill Bill? The tough ascent to Oyster Dome originally was referred to by local ultra runners as Kill Bill Hill, not only a reference to its unforgiving climb, but also tribute to a local ultra runner Bill Ball who used the rocky, root layered climb as a course route for Mount Blanchard Ultra.

Upcoming Races

Jul 13 2019
50 KM
Two 25k loops
Multiple Loop Course
4 Elevation Rating
Very hilly, ~7500-12,500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts


50 KM View course top times

Date Finishers Top Result Top Result (F)
07/14/18 17 4:50:47 7:08:18
07/15/17 12 5:45:35 5:31:07
07/16/16 18 5:09:57 7:53:47
11/14/15 20 5:09:57 5:59:11
We try to keep the most accurate information about this race, but changes do happen. Always visit the official race website for the most up to date information.
Iron Bull Ultra
  • Oct 5, 2019
  • Wausau, WI
50 KM