Jeffrey Heischman

Born : 1948 Cat. M75 Ultrarunner since 2001

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

50,8%

Rank quotient ?This runner's calculation uses 44 eligible race(s): Σ(rank − 1) = 3 410; Σ finishers = 6 709. 3 410 / 6 709 × 100 = 50.83%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed44

Km — ultra races3 127 km

> 100 km3

> 160 km3

Longest race160,9 km

32th Western States 100 Mile Endurance Run — 25/6/2005

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Trail100,0%

Records

50 km5h20'50 100 km12h56'42 50 mi8h54'10 100 mi26h16'46

HISTORY

44 race(s)

Date		Race	Perf.	Rk
2005
17.12	50km	Muir Beach Trail Run	7:04:18 h	14
19.11	50km	3rd Stinson Beach 50 km	7:02:57 h	8
15.10	50mi	23rd Dick Collins Firetrails 50 Mile	9:48:31 h	59
07.08	50km	24th Skyline 50k Endurance Run	5:50:43 h	53
25.06	100mi	32th Western States 100 Mile Endurance Run	27:32:00 h	203
04.06	50km	8th Best Run By A Dam Site	7:00:49 h	19
30.04	100km	10th Miwok 100k Trail race	13:10:37 h	131
16.04	50mi	3rd Diablo Endurance Run	14:11:00 h	43
20.03	50km	4th Stevens Creek Striders 50K	6:31:05 h	29
12.03	50km	16th Way Too Cool 50K Endurance Run	6:06:04 h	239
08.01	54km	26th Epiphany Ultras - The Popular But Wussy Metric	6:43:00 h	7
2004
09.10	50mi	22nd Dick Collins Firetrails 50 Mile	10:15:31 h	67
05.09	50mi	10th Run On The Sly 50 Mile	11:56:00 h	38
14.08	50mi	2nd Diablo Endurance Run	12:35:00 h	27
01.08	50km	23rd Skyline 50k Endurance Run	5:44:09 h	70
26.06	100mi	31th Western States 100 Mile Endurance Run	26:52:06 h	139
01.05	100km	9th Miwok 100k Trail race	13:34:33 h	121
27.03	50km	3rd Pirates Cove Trail Run	7:00:30 h	32
21.03	50km	3rd Stevens Creek Striders 50K	6:52:36 h	31
13.03	50km	15th Way Too Cool 50K Endurance Run	6:00:52 h	249
07.02	50km	3rd Woodside Trail Run 50K	6:28:50 h	48
2003
20.12	50km	Muir Beach Trail Run	7:17:37 h	21
15.11	50km	1st Stinson Beach 50 km	6:46:51 h	14
11.10	50mi	21st Dick Collins Firetrails 50 Mile	10:13:43 h	67
13.09	53.2mi	17th Sierra Nevada Endurance 53 Mile Run	11:53:49 h	14
31.08	50mi	9th Run On The Sly 50 Mile	10:53:47 h	27
03.08	50km	22nd Skyline 50k Endurance Run	5:25:18 h	53
28.06	100mi	30th Western States 100 Mile Endurance Run	26:16:46 h	130
18.05	50km	16th Ohlone 50K Wilderness Run	7:09:01 h	57
05.04	50mi	24th American River 50 Mile Endurance Run	8:54:10 h	135
22.03	50km	2nd Pirates Cove Trail Run	6:48:03 h	31
08.03	50km	14th Way Too Cool 50K Endurance Run	5:30:55 h	188
11.01	52mi	Epiphany Ultras - The Real Deal	10:37:00 h	4
2002
12.10	50mi	20th Dick Collins Firetrails 50 Mile	10:15:45 h	60
14.09	53.2mi	16th Sierra Nevada Endurance 53 Mile Run	11:41:34 h	18
04.08	50km	21st Skyline 50k Endurance Run	5:20:50 h	49
19.05	50km	15th Ohlone 50K Wilderness Run	7:14:36 h	76
04.05	100km	7th Miwok 100k Trail race	12:56:42 h	97
06.04	50mi	23rd American River 50 Mile Endurance Run	10:39:25 h	285
23.03	50km	1st Stevens Creek Striders 50K	7:09:58 h	12
09.03	50km	13th Way Too Cool 50K Endurance Run	6:00:44 h	283
2001
13.10	50mi	19th Dick Collins Firetrails 50 Mile	10:44:16 h	66
05.08	50km	20th Skyline 50k Endurance Run	5:50:20 h	97
20.05	50km	14th Ohlone 50K Wilderness Run	7:58:51 h	43

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	25/6/2005	32th Western States 100 Mile Endurance Run	160,93	×3
✓ 2	26/6/2004	31th Western States 100 Mile Endurance Run	160,93	×3
✓ 3	28/6/2003	30th Western States 100 Mile Endurance Run	160,93	×3
✓ 4	30/4/2005	10th Miwok 100k Trail race	100,00	×2
✓ 5	1/5/2004	9th Miwok 100k Trail race	100,00	×2
✓ 6	4/5/2002	7th Miwok 100k Trail race	100,00	×2
✓ 7	13/9/2003	17th Sierra Nevada Endurance 53 Mile Run	85,62	×1
✓ 8	14/9/2002	16th Sierra Nevada Endurance 53 Mile Run	85,62	×1
✓ 9	11/1/2003	Epiphany Ultras - The Real Deal	83,69	×1
✓ 10	15/10/2005	23rd Dick Collins Firetrails 50 Mile	80,47	×1
✓ 11	16/4/2005	3rd Diablo Endurance Run	80,47	×1
✓ 12	9/10/2004	22nd Dick Collins Firetrails 50 Mile	80,47	×1
✓ 13	5/9/2004	10th Run On The Sly 50 Mile	80,47	×1
✓ 14	14/8/2004	2nd Diablo Endurance Run	80,47	×1
✓ 15	11/10/2003	21st Dick Collins Firetrails 50 Mile	80,47	×1
✓ 16	31/8/2003	9th Run On The Sly 50 Mile	80,47	×1
✓ 17	5/4/2003	24th American River 50 Mile Endurance Run	80,47	×1
✓ 18	12/10/2002	20th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 19	6/4/2002	23rd American River 50 Mile Endurance Run	80,47	×1
✓ 20	13/10/2001	19th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 21	8/1/2005	26th Epiphany Ultras - The Popular But Wussy Metric	54,00	×1
✓ 22	17/12/2005	Muir Beach Trail Run	50,00	×1
✓ 23	19/11/2005	3rd Stinson Beach 50 km	50,00	×1
✓ 24	7/8/2005	24th Skyline 50k Endurance Run	50,00	×1
✓ 25	4/6/2005	8th Best Run By A Dam Site	50,00	×1
✓ 26	20/3/2005	4th Stevens Creek Striders 50K	50,00	×1
✓ 27	12/3/2005	16th Way Too Cool 50K Endurance Run	50,00	×1
✓ 28	1/8/2004	23rd Skyline 50k Endurance Run	50,00	×1
✓ 29	27/3/2004	3rd Pirates Cove Trail Run	50,00	×1
✓ 30	21/3/2004	3rd Stevens Creek Striders 50K	50,00	×1
✓ 31	13/3/2004	15th Way Too Cool 50K Endurance Run	50,00	×1
✓ 32	7/2/2004	3rd Woodside Trail Run 50K	50,00	×1
✓ 33	20/12/2003	Muir Beach Trail Run	50,00	×1
✓ 34	15/11/2003	1st Stinson Beach 50 km	50,00	×1
✓ 35	3/8/2003	22nd Skyline 50k Endurance Run	50,00	×1
✓ 36	18/5/2003	16th Ohlone 50K Wilderness Run	50,00	×1
✓ 37	22/3/2003	2nd Pirates Cove Trail Run	50,00	×1
✓ 38	8/3/2003	14th Way Too Cool 50K Endurance Run	50,00	×1
✓ 39	4/8/2002	21st Skyline 50k Endurance Run	50,00	×1
✓ 40	19/5/2002	15th Ohlone 50K Wilderness Run	50,00	×1
✓ 41	23/3/2002	1st Stevens Creek Striders 50K	50,00	×1
✓ 42	9/3/2002	13th Way Too Cool 50K Endurance Run	50,00	×1
✓ 43	5/8/2001	20th Skyline 50k Endurance Run	50,00	×1
✓ 44	20/5/2001	14th Ohlone 50K Wilderness Run	50,00	×1