Jennifer Johnston

Born : 1964 Cat. W60 Ultrarunner since 1994

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 ?

Netherlands

United States

31,0%

Rank quotient ?This runner's calculation uses 55 eligible race(s): Σ(rank − 1) = 1 939; Σ finishers = 6 254. 1 939 / 6 254 × 100 = 31.00%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed55

Km — ultra races3 936 km

> 100 km5

> 160 km5

Longest race160,9 km

18th Angeles Crest 100 Mile — 18/9/2004

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road8,9%

Trail91,1%

Wins & podiums (ultra)

🏆 Win0

🏆 Win F16

🏅 Top 34

🏅 Top 3 F32

Longest winning streak0

Current streak0

Records

50 km4h01'41 100 km8h40'29 50 mi8h03'47 100 mi23h28'43

HISTORY

55 race(s) · 1 split(s) nested

Date		Race	Perf.	Rk
2008
06.12	50km	2nd Endurance Challenge - California Trail 50 km	8:11:37 h	89
2004
18.09	100mi	18th Angeles Crest 100 Mile	24:32:41 h	11
08.08	100km	3rd Katcina Mosa 100K Mountain Run	15:16:00 h	6
16.05	50km	17th Ohlone 50K Wilderness Run	6:43:52 h	33
01.05	100km	9th Miwok 100k Trail race	12:44:48 h	83
04.04	50mi	21st Mt. Si 50 Miles Ultra Run	8:03:47 h	11
20.03	50km	2nd Rucky Chucky Roundabout 50K	6:33:34 h	34
03.01	50km	2nd Angel Island 50k	5:30:25 h	9
2003
29.11	28mi	19th Quad Dipsea Trail Run	5:45:31 h	64
15.11	50km	1st Stinson Beach 50 km	5:50:11 h	8
11.10	50mi	21st Dick Collins Firetrails 50 Mile	10:07:24 h	65
23.08	31.5mi	6th Tamalpa Headlands 50K	5:49:21 h	85
05.07	50km	1st Angel Island 50k	5:06:43 h	3 🥉
14.06	50km	6th Best Run By A Dam Site	5:34:00 h	12
18.05	50km	16th Ohlone 50K Wilderness Run	6:33:00 h	39
03.05	100km	8th Miwok 100k Trail race	13:42:43 h	112
19.04	50km	17th Ruth Anderson Ultra 50km	4:23:00 h	6
22.03	50km	2nd Pirates Cove Trail Run	5:36:15 h	11
2002
30.11	28mi	18th Quad Dipsea Trail Run	5:50:13 h	90
01.06	50mi	6th Snow Peaks 50 Mile Trail Run	13:00:05 h	80
11.05	50km	19th Quicksilver 50 km Endurance Run	4:56:53 h	12
20.04	50mi	11th Leona Divide 50 Mile Run	9:35:35 h	50
23.03	50km	1st Pirates Cove Trail Run	5:52:15 h	3 🥉
02.02	50km	5th San Gabriel Mountain 50K	5:58:16 h	15
2001
29.09	100mi	16th Angeles Crest 100 Mile	25:23:36 h	12
25.08	31.5mi	4th Tamalpa Headlands 50K	5:31:41 h	48
09.06	50km	1st Mount Diablo 50K	6:28:58 h	2 🥈
19.05	50km	16th Silver State 50 km	6:58:01 h	19
12.05	50km	18th Quicksilver 50 km Endurance Run	5:02:17 h	16
14.04	50mi	10th Leona Divide 50 Mile Run	9:00:14 h	31
03.02	50km	4th San Gabriel Mountain 50K	6:08:47 h	14
2000
30.09	100mi	15th Angeles Crest 100 Mile	25:11:24 h	23
29.07	50mi	19th Minnesota Voyageur Trail 50 Mile Ultra	9:26:46 h	15
12.03	50mi	3rd Smuggler's 50 Miles	10:08:00 h	13
29.01	50km	3rd San Gabriel Mountain 50K	5:33:28 h	16
1999
18.12	50km	3rd Huff 50K Trail Run	4:38:40 h	12
06.11	50km	7th OPSF Ultra 50 km Race	4:29:10 h	4
23.10	52.4mi	13th Sierra Nevada Endurance 52 Mile Run	9:22:53 h	16
26.09	50km	Sadomasochist Culo Gordo 50K	4:50:14 h	2 🥈
25.09	100mi	14th Angeles Crest 100 Mile	23:51:57 h	13
28.08	31.5mi	2nd Tamalpa Headlands 50K	5:23:17 h	26
30.01	50km	2nd San Gabriel Mountain 50K	5:29:05 h	12
1998
26.09	100mi	13th Angeles Crest 100 Mile	23:28:43 h	16
21.03	50km	12th Crown King Scramble 50K	5:33:12 h	27
1997
15.11	50km	2nd Helen Klein Ultra Classic 50km	4:01:41 h	4
13.09	100km	IAU 100km WC (RUN Winschoten 100 km)	10:11:43 h	141
13.09	100km	22. RUN Winschoten 100 km - open race	10:11:43 h	169
31.08	50km	3rd Run On The Sly 50 km	5:30:30 h	9
02.08	50km	16th Skyline 50k Endurance Run	5:09:10 h	52
10.05	50mi	14th Quicksilver 50 Mile Endurance Run	8:30:49 h	8
15.03	50km	8th Way Too Cool 50K Endurance Run	4:47:06 h	60
1995
16.09	100km	20. IAU 100km WC Winschoten	8:40:29 h	128
16.09	50km	20. IAU 100km WC Winschoten - 50km Split	4:08:19 h	151
01.04	50mi	16th American River 50 Mile Endurance Run	8:34:10 h	123
1994
30.07	50mi	13th Minnesota Voyageur Trail 50 Mile Ultra	9:08:13 h	10
04.06	50km	5th Shadow of the Giants 50K	4:44:43 h	22

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	18/9/2004	18th Angeles Crest 100 Mile	160,93	×3
✓ 2	29/9/2001	16th Angeles Crest 100 Mile	160,93	×3
✓ 3	30/9/2000	15th Angeles Crest 100 Mile	160,93	×3
✓ 4	25/9/1999	14th Angeles Crest 100 Mile	160,93	×3
✓ 5	26/9/1998	13th Angeles Crest 100 Mile	160,93	×3
✓ 6	8/8/2004	3rd Katcina Mosa 100K Mountain Run	100,00	×2
✓ 7	1/5/2004	9th Miwok 100k Trail race	100,00	×2
✓ 8	3/5/2003	8th Miwok 100k Trail race	100,00	×2
✓ 9	13/9/1997	IAU 100km WC (RUN Winschoten 100 km)	100,00	×2
✓ 10	16/9/1995	20. IAU 100km WC Winschoten	100,00	×2
✓ 11	23/10/1999	13th Sierra Nevada Endurance 52 Mile Run	84,33	×1
✓ 12	4/4/2004	21st Mt. Si 50 Miles Ultra Run	80,47	×1
✓ 13	11/10/2003	21st Dick Collins Firetrails 50 Mile	80,47	×1
✓ 14	1/6/2002	6th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 15	20/4/2002	11th Leona Divide 50 Mile Run	80,47	×1
✓ 16	14/4/2001	10th Leona Divide 50 Mile Run	80,47	×1
✓ 17	29/7/2000	19th Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
✓ 18	12/3/2000	3rd Smuggler's 50 Miles	80,47	×1
✓ 19	10/5/1997	14th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 20	1/4/1995	16th American River 50 Mile Endurance Run	80,47	×1
✓ 21	30/7/1994	13th Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
✓ 22	23/8/2003	6th Tamalpa Headlands 50K	50,69	×1
✓ 23	25/8/2001	4th Tamalpa Headlands 50K	50,69	×1
✓ 24	28/8/1999	2nd Tamalpa Headlands 50K	50,69	×1
✓ 25	6/12/2008	2nd Endurance Challenge - California Trail 50 km	50,00	×1
✓ 26	16/5/2004	17th Ohlone 50K Wilderness Run	50,00	×1
✓ 27	20/3/2004	2nd Rucky Chucky Roundabout 50K	50,00	×1
✓ 28	3/1/2004	2nd Angel Island 50k	50,00	×1
✓ 29	15/11/2003	1st Stinson Beach 50 km	50,00	×1
✓ 30	5/7/2003	1st Angel Island 50k	50,00	×1
✓ 31	14/6/2003	6th Best Run By A Dam Site	50,00	×1
✓ 32	18/5/2003	16th Ohlone 50K Wilderness Run	50,00	×1
✓ 33	19/4/2003	17th Ruth Anderson Ultra 50km	50,00	×1
✓ 34	22/3/2003	2nd Pirates Cove Trail Run	50,00	×1
✓ 35	11/5/2002	19th Quicksilver 50 km Endurance Run	50,00	×1
✓ 36	23/3/2002	1st Pirates Cove Trail Run	50,00	×1
✓ 37	2/2/2002	5th San Gabriel Mountain 50K	50,00	×1
✓ 38	9/6/2001	1st Mount Diablo 50K	50,00	×1
✓ 39	19/5/2001	16th Silver State 50 km	50,00	×1
✓ 40	12/5/2001	18th Quicksilver 50 km Endurance Run	50,00	×1
✓ 41	3/2/2001	4th San Gabriel Mountain 50K	50,00	×1
✓ 42	29/1/2000	3rd San Gabriel Mountain 50K	50,00	×1
✓ 43	18/12/1999	3rd Huff 50K Trail Run	50,00	×1
✓ 44	6/11/1999	7th OPSF Ultra 50 km Race	50,00	×1
✓ 45	26/9/1999	Sadomasochist Culo Gordo 50K	50,00	×1
✓ 46	30/1/1999	2nd San Gabriel Mountain 50K	50,00	×1
✓ 47	21/3/1998	12th Crown King Scramble 50K	50,00	×1
✓ 48	15/11/1997	2nd Helen Klein Ultra Classic 50km	50,00	×1
✓ 49	31/8/1997	3rd Run On The Sly 50 km	50,00	×1
✓ 50	2/8/1997	16th Skyline 50k Endurance Run	50,00	×1
51	15/3/1997	8th Way Too Cool 50K Endurance Run	50,00	×1
52	4/6/1994	5th Shadow of the Giants 50K	50,00	×1
53	29/11/2003	19th Quad Dipsea Trail Run	45,06	—
54	30/11/2002	18th Quad Dipsea Trail Run	45,06	—