Jason Zimmerman

Born : 1975 Cat. M50 Ultrarunner since 2003

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

United States

77,0%

Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 1 087; Σ finishers = 1 411. 1 087 / 1 411 × 100 = 77.04%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed14

Km — ultra races757 km

Longest race82,1 km

3rd Evergreen Lake 51mi Ultra — 14/9/2014

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road19,8%

Trail80,2%

Records

50 km6h14'45 50 mi13h15'15

HISTORY

14 race(s)

Date		Race	Perf.	Rk
2023
07.10	50km	9th The Hennepin Hundred - 50 km Run	8:19:16 h	90
2015
08.08	8h	25th Howl at the Moon 8 Hour Run	53.752 km	122
27.06	50km	6th North Fork 50 km Trail Race	8:57:21 h	117
2014
11.10	30mi	9th Farmdale Trail Run 30 Mile	7:45:59 h	34
14.09	51mi	3rd Evergreen Lake 51mi Ultra	12:29:30 h	29
09.08	8h	24th Howl at the Moon 8 Hour Run	48.457 km	186
07.06	50km	19th Kettle Moraine 50 km Endurance Run	8:38:20 h	38
2013
12.10	30mi	8th Farmdale Trail Run 30 Mile	7:08:07 h	30
2008
21.09	50km	5th Rock Cut Hobo 50K	6:14:45 h	48
11.04	50mi	8th McNaughton 50 Mile Ultra Race	13:15:15 h	32
2006
12.08	8h	16th Howl at the Moon 8h Run	47.652 km	172
15.04	30mi	6th McNaughton 30 Mile Ultra Race	7:36:09 h	65
2005
09.10	50km	19th Glacial Trail 50 km Race	7:50:00 h	77
2003
08.11	50km	10th Quivering Quads 50K Trail Race	7:17:59 h	61

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	14/9/2014	3rd Evergreen Lake 51mi Ultra	82,08	×3
✓ 2	11/4/2008	8th McNaughton 50 Mile Ultra Race	80,47	×3
✓ 3	8/8/2015	25th Howl at the Moon 8 Hour Run	53,75	×2
✓ 4	7/10/2023	9th The Hennepin Hundred - 50 km Run	50,00	×2
✓ 5	27/6/2015	6th North Fork 50 km Trail Race	50,00	×2
✓ 6	7/6/2014	19th Kettle Moraine 50 km Endurance Run	50,00	×2
✓ 7	21/9/2008	5th Rock Cut Hobo 50K	50,00	×2
✓ 8	9/10/2005	19th Glacial Trail 50 km Race	50,00	×2
✓ 9	8/11/2003	10th Quivering Quads 50K Trail Race	50,00	×2
✓ 10	9/8/2014	24th Howl at the Moon 8 Hour Run	48,46	×1
✓ 11	11/10/2014	9th Farmdale Trail Run 30 Mile	48,28	×1
✓ 12	12/10/2013	8th Farmdale Trail Run 30 Mile	48,28	×1
✓ 13	15/4/2006	6th McNaughton 30 Mile Ultra Race	48,28	×1
✓ 14	12/8/2006	16th Howl at the Moon 8h Run	47,65	×1