Save 25% on UltraRunning Magazine

UltraRunning Magazine is published 10 times per year with a double issue May/June and December/January. Each issue is packed full of race reports, finisher results, tips and runner profiles.

Subscriptions include

  • 10 printed issues
  • PDF Download of our most recent issues
  • Digital access to our complete 38+ year archive
  • 12 different customized training plans
Subscribe Today

Ian Grettenberger (M32)

Race Date Distance Result Overall
2019
Palisades Ultra Trail Series 07/19/19 100 Miles 28:03:30 4
2018
Palisades Ultra Trail Series 07/27/18 100 Miles 32:09:04 2
2017
Headlands Hundred 09/09/17 100 Miles 20:39:00 1
2016
Tahoe Rim Trail 07/16/16 100 Miles 26:46:25 29
2015
Twin Peaks 50 10/17/15 50 Miles 9:35:31 3
Berkeley Trail Adventure 09/26/15 50 KM 4:47:08 2
Robinson Flat 35k and 50k 09/13/15 50 KM 4:58:08 1
HARRC's Tuscarora Trails Ultra 50K 03/28/15 50 KM 4:47:00 2
2014
Eastern States 100 08/16/14 100 Miles 23:43:00 7
2013
Tussey Mountainback 50 Miler 10/20/13 50 Miles 6:58:50 9
Green Monster Trail Challenge 10/13/13 50 KM 5:25:54 2
Silver Rush 50 07/14/13 50 Miles 9:09:13 60

Ian Grettenberger (M31)

Race Date Distance Result Overall
2018
Mount Diablo Trail Run - Summer 05/19/18 50 KM 5:42:35 2
Marin Ultra Challenge 03/10/18 50 Miles 8:23:00 8
2016
Mendocino Running Festival 05/21/16 12 Hours 80 1
Rodeo Beach Rumble 04/23/16 50 KM 4:38:52 1
2015
Hyner Trail Challenge 04/18/15 50 KM 4:58:01 2
2014
Hyner Trail Challenge 04/26/14 50 KM 5:10:50 2
2013
Bull Run Run 04/13/13 50 Miles 7:46:23 18

Ian Grettenberger (M27)

Race Date Distance Result Overall
2015
Glacier Ridge 05/09/15 50 KM 4:57:15 2
The Back 40 Trail Run
  • Dec 14, 2019
  • Bella Vista, AR
40 Miles