Gene Bartzen
ID 82360
Born : 1954 Cat. M70 Ultrarunner since 1991 USA
36
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?USAUnited States
39,1%
Rank quotient ?This runner's calculation uses 36 eligible race(s): Σ(rank − 1) = 3 373; Σ finishers = 8 629. 3 373 / 8 629 × 100 = 39.09%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed36
Km — ultra races4 143 km
> 100 km16
> 160 km16
Longest race160,9 km
37th Leadville Trail 100 Mile — 17/8/2019

Km per year (ultra races)

2022
2023
2024
50
1 race
2025
130
2 races
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km6h37'28100 km11h53'2150 mi8h06'45100 mi20h29'04

HISTORY

36 race(s)
DateRacePerf.Rk
2026
11.07 50mi USA19th Leadville Silver Rush 50 Mile Run 10:36:04 h198
16.05 50km USA5th Ram Party 6:37:28 h43
2025
12.10 50km USA39th Glacial Trail 50 km Race 6:50:03 h41
2019
17.08 100mi USA37th Leadville Trail 100 Mile 29:50:16 h356
06.07 50mi USA12th Leadville Silver Rush 50 Mile Run 10:36:04 h196
2014
16.08 100mi USA32nd Leadville Trail 100 Mile 27:21:23 h136
13.07 50mi USA7th Leadville Silver Rush 50 Mile Run 9:59:39 h103
10.05 50mi USA33rd Ice Age Trail 50 Mile Run 10:00:17 h99
2013
17.08 100mi USA31st Leadville Trail 100 Mile 28:09:04 h267
2012
18.08 100mi USA30th Leadville Trail 100 Mile 29:00:42 h255
2011
20.08 100mi USA29th Leadville Trail 100 Mile 27:33:56 h159
2010
18.07 50mi USA3rd Leadville Silver Rush 50 Mile Run 10:05:38 h57
2009
22.08 100mi USA27th Leadville Trail 100 Mile 27:01:27 h102
26.07 50mi USA2nd Leadville Silver Rush 50 Mile Run 9:42:22 h38
09.05 50mi USA28th Ice Age Trail 50 Mile Run 9:02:25 h40
2006
19.08 100mi USA24th Leadville Trail 100 Mile 28:08:50 h102
2005
20.08 100mi USA23rd Leadville Trail 100 Mile 24:02:27 h39
2004
08.05 50mi USA23th Ice Age Trail 50 Mile Run 8:06:45 h19
2003
16.08 100mi USA21st Leadville Trail 100 Mile 28:17:43 h107
10.05 50mi USA22th Ice Age Trail 50 Mile Run 9:31:07 h69
2002
17.08 100mi USA20th Leadville Trail 100 Mile 27:01:31 h75
15.06 100mi USA13th Mohican Trail 100 Mile 21:44:26 h6
11.05 50mi USA21th Ice Age Trail 50 Mile Run 8:50:10 h39
2001
10.05 50mi USA20th Ice Age Trail 50 Mile Run 8:33:58 h40
2000
19.08 100mi USA18th Leadville Trail 100 Mile 26:59:25 h58
13.05 50mi USA19th Ice Age Trail 50 Mile Run 8:26:51 h62
1997
05.10 100km USA11th Glacial Trail Run 100 km 11:53:21 h5
1996
21.09 100mi USA6th Superior Fall Trail Races 100 Mile 21:50:10 h2 🥈
07.06 100mi USA1st Kettle Moraine 100 Mile Endurance Run 20:29:04 h8
18.05 50mi USA15th Ice Age Trail 50 Mile Run 11:14:57 h135
1995
09.09 100mi USA5th Superior Fall Trail Races 100 Mile 23:22:22 h6
24.06 100mi USA22nd Western States 100 Mile Endurance Run 27:54:10 h90
13.05 50mi USA14th Ice Age Trail 50 Mile Run 8:57:40 h67
1994
21.05 50mi USA13th Ice Age Trail 50 Mile Run 9:44:09 h89
1992
16.05 50mi USA11th Ice Age Trail 50 Mile Run 11:38:37 h247
1991
18.05 50mi USA10th Ice Age Trail 50 Mile Run 8:47:12 h54