After graduating from Humboldt State with a degree in Natural Resources, Denis joined the Aggies in the late 70's. He now lives in Nevada City, CA and works as a water data specialist with USGS. Denis continues to run for mental and physical health, competitive enjoyment, and social gatherings with Aggies and other friends. He enjoys running on trails in nice places as much as he can. Denis has two young adult sons.

Fun Fact: Denis has worked for the USGS for 33 years

Favorite Aggie: El Presidente (Kevin Searls)

Personal Bests

  • Marathon - 2:19:07
  • 10k (track) - 29:55
  • 5k (track - 14:29
  • 10 miles (road) - 49:28


  • Olympic Marathon Trials, Buffalo NY , 1980 , 44th place, 2:19:07
  • National XC Championship, Pocatello ID, 1981, 45th place
  • All NorCal XC 1st team 1969

Dennis O'Halloran News