Cassandra Johnson

Born : 1946 Cat. W80 Ultrarunner since 1984

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

83,9%

Rank quotient ?This runner's calculation uses 131 eligible race(s): Σ(rank − 1) = 15 680; Σ finishers = 18 686. 15 680 / 18 686 × 100 = 83.91%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed131

Km — ultra races9 931 km

> 100 km12

> 160 km8

> 200 km5

> 24h13

> 48h9

Longest race364,8 km

17th Across the Years, 6 days — 26/12/1999

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road43,9%

Trail56,1%

Wins & podiums (ultra)

🏆 Win0

🏆 Win F4

🏅 Top 31

🏅 Top 3 F8

Longest winning streak0

Current streak0

Records

50 km5h43'52 100 km12h01'00 50 mi8h46'12 100 mi28h39'48 12 h93,99 km 24 h123,68 km 6 d364,80 km

HISTORY

133 race(s) · 2 split(s) nested

Date		Race	Perf.	Rk
2016
31.12	12h	7th New Years One Day 12 Hour Run	51.499 km	16
28.05	12h	8th Nanny Goat 12 Hour Race	49.889 km	47
02.04	50km	4th Beyond Limits Ultra Race 50km	8:29:10 h	9
2015
17.10	51.5mi	50-Mile Endurance Challenge Urban Ultramarathon	15:56:00 h	18
29.08	24h	1st Julian Station Full Moon 24 Hour Run	51.177 km	25
23.05	12h	7th Nanny Goat 12 Hour Race	65.983 km	37
2014
31.12	12h	5th New Years One Day 12 Hour Run	51.418 km	38
07.12	50km	28th OTHTC High Desert 50K Ultra	8:20:33 h	242
24.05	12h	6th Nanny Goat 12 Hour Race	64.373 km	39
2013
31.12	12h	4th New Years One Day 12 Hour Run	66.593 km	21
25.05	12h	5th Nanny Goat 12 Hour Race	51.499 km	70
20.04	50km	27th Ruth Anderson Ultra 50km	8:03:23 h	53
2012
02.12	50km	26th OTHTC High Desert 50K Ultra	8:10:59 h	210
21.04	50km	26th Ruth Anderson Ultra 50km	7:32:58 h	42
2011
28.05	12h	3rd Nanny Goat 12 Hour Race	49.889 km	34
21.05	50km	18th Bishop High Sierra Ultramarathons 50 km	10:10:04 h	57
23.04	50km	25th Ruth Anderson Ultra 50km	7:03:09 h	30
2010
05.12	50km	24th OTHTC High Desert 50K Ultra	7:32:49 h	237
17.04	50km	24th Ruth Anderson Ultra 50km	7:19:03 h	50
2009
27.12	12h	1st Big Cat Challenge 12-Hour Run	51.499 km	20
31.10	50km	14th Helen Klein Ultra Classic 50km	7:45:30 h	45
18.04	50km	23th Ruth Anderson Ultra 50km	6:55:04 h	36
2008
07.12	50km	22nd OTHTC High Desert 50K Ultra	7:20:36 h	195
16.02	50km	3rd Orange Curtain 50km Ultra Race	6:31:52 h	27
12.01	50mi	28th Avalon Benefit 50-Mile Run	13:37:00 h	149
2007
29.12	72h	25th Across the Years, 72h	171.000 km	31
02.12	50km	21st OTHTC High Desert 50K Ultra	7:39:53 h	217
14.04	50mi	28th American River 50 Mile Endurance Run	11:45:20 h	399
31.03	50km	21th Ruth Anderson Ultra 50km	6:24:43 h	37
17.02	50km	2nd Orange Curtain 50km Ultra Race	6:41:50 h	30
13.01	50mi	27th Avalon Benefit 50-Mile Run	11:45:18 h	125
2006
29.12	72h	24th Across the Years, 72h	56.500 km	33
03.12	50km	20th OTHTC High Desert 50K Ultra	6:22:57 h	124
26.08	50mi	2nd Lean Horse Ultra-Marathon 50 Mile	11:57:23 h	25
12.08	50km	2nd Angeles National Forest 50k Trail Race	9:08:52 h	120
20.05	50km	13th Bishop High Sierra Ultramarathons 50 km	8:48:35 h	34
22.04	50km	20th Ruth Anderson Ultra 50km	6:02:35 h	19
01.04	50mi	27th American River 50 Mile Endurance Run	12:13:40 h	407
11.03	50km	17th Way Too Cool 50K Endurance Run	7:48:59 h	359
18.02	50km	1st Orange Curtain 50km Ultra Race	6:01:47 h	23
14.01	50mi	26th Avalon Benefit 50-Mile Run	12:13:50 h	119
2005
29.12	72h	23rd Across the Years, 72h	121.000 km	28
29.12	24h	23rd Across the Years, 72h - 24h Split	82.000 km	23
29.12	48h	23rd Across the Years, 72h - 48h Split	121.000 km	25
04.12	50km	19th OTHTC High Desert 50K Ultra	7:10:51 h	170
05.11	50mi	10th Helen Klein Ultra Classic 50mi	9:38:00 h	60
24.09	53.2mi	19th Sierra Nevada Endurance 53 Mile Run	13:50:48 h	53
27.08	31.5mi	8th Tamalpa Headlands 50K	8:08:00 h	155
13.08	50km	1st Angeles National Forest 50k Trail Race	10:19:18 h	70
11.06	33mi	9th Holcomb Valley 33 Mile	8:44:45 h	89
04.06	50km	16th Shadow of the Giants 50K	7:30:55 h	77
21.05	50km	12th Bishop High Sierra Ultramarathons 50 km	8:25:11 h	41
30.04	100km	10th Miwok 100k Trail race	16:13:52 h	222
16.04	50km	19th Ruth Anderson Ultra 50km	6:06:25 h	18
12.03	50km	16th Way Too Cool 50K Endurance Run	8:13:22 h	443
2004
29.12	72h	22nd Across the Years, 72h	229.000 km	15
04.12	50km	18th OTHTC High Desert 50K Ultra	7:35:40 h	177
17.04	50km	18th Ruth Anderson Ultra 50mi - 50km Split	6:09:59 h	8
17.04	50mi	18th Ruth Anderson Ultra 50mi	10:14:12 h	8
03.04	50mi	25th American River 50 Mile Endurance Run	12:26:26 h	439
20.03	50km	2nd Rucky Chucky Roundabout 50K	8:32:10 h	123
13.03	50km	15th Way Too Cool 50K Endurance Run	7:20:38 h	434
10.01	50mi	24th Avalon Benefit 50-Mile Run	11:36:34 h	99
2003
29.12	72h	21st Across the Years, 72h	166.000 km	8
07.12	50km	17th OTHTC High Desert 50K Ultra	6:47:36 h	160
31.08	50km	9th Run On The Sly 50 km	7:14:17 h	59
23.08	31.5mi	6th Tamalpa Headlands 50K	7:38:44 h	152
16.08	50mi	2nd Pony Express 50 Mile Run	11:51:11 h	8
14.06	33mi	7th Holcomb Valley 33 Mile	8:45:49 h	70
17.05	50mi	10th Bishop High Sierra Ultramarathons 50 Miles	13:56:20 h	62
05.04	50mi	24th American River 50 Mile Endurance Run	11:04:58 h	356
08.03	50km	14th Way Too Cool 50K Endurance Run	7:03:33 h	425
2002
08.12	50km	16th OTHTC High Desert 50K Ultra	5:54:21 h	111
09.11	50mi	7th Helen Klein Ultra Classic 50mi	9:35:55 h	50
02.06	33mi	6th Holcomb Valley 33 Mile	8:40:00 h	78
18.05	50mi	9th Bishop High Sierra Ultramarathons 50 Miles	13:44:57 h	48
06.04	50mi	23rd American River 50 Mile Endurance Run	11:44:05 h	383
09.03	50km	13th Way Too Cool 50K Endurance Run	7:31:28 h	490
2001
09.12	50km	15th OTHTC High Desert 50K Ultra	6:27:53 h	147
02.09	50km	7th Run On The Sly 50 km	7:08:17 h	63
25.08	31.5mi	4th Tamalpa Headlands 50K	7:29:38 h	157
02.06	50km	12th Shadow of the Giants 50K	7:38:15 h	89
19.05	50mi	8th Bishop High Sierra Ultramarathons 50 Miles	14:02:32 h	49
05.05	100km	6th Miwok 100k Trail race	15:50:41 h	161
21.04	50mi	15th Ruth Anderson Ultra 50mi	10:11:09 h	16
07.04	50mi	22nd American River 50 Mile Endurance Run	11:20:41 h	312
10.03	50km	12th Way Too Cool 50K Endurance Run	7:01:45 h	403
13.01	50mi	21st Avalon Benefit 50-Mile Run	10:46:44 h	106
2000
29.12	72h	18th Across the Years, 72h	249.600 km	5
10.12	50km	14th OTHTC High Desert 50K Ultra	6:08:37 h	119
18.11	24h	2nd San Diego One Day 24-Hour Race	123.678 km	22
11.11	50mi	5th Helen Klein Ultra Classic 50mi	9:42:18 h	31
03.09	50km	6th Run On The Sly 50 km	7:41:59 h	79
03.06	50km	11th Shadow of the Giants 50K	7:41:43 h	76
22.04	100km	14th Ruth Anderson Ultra 100km	12:41:48 h	17
11.03	50km	11th Way Too Cool 50K Endurance Run	6:56:29 h	374
1999
26.12	6d	17th Across the Years, 6 days	364.800 km	13
05.12	50km	13th OTHTC High Desert 50K Ultra	5:43:52 h	75
17.07	100mi	11th Vermont 100 Mile Endurance Race	28:39:48 h	98
12.06	50km	2nd Best Run By A Dam Site	6:56:27 h	54
06.06	33mi	3rd Holcomb Valley 33 Mile	7:46:57 h	103
01.05	100km	4th Miwok 100k Trail race	16:06:44 h	125
10.04	50mi	20th American River 50 Mile Endurance Run	11:04:33 h	435
13.03	50km	10th Way Too Cool 50K Endurance Run	6:52:11 h	396
1998
29.12	72h	16th Across the Years, 72h	260.800 km	5
06.12	50km	12th OTHTC High Desert 50K Ultra	5:51:26 h	95
14.11	50mi	3rd Helen Klein Ultra Classic 50mi	9:22:33 h	64
28.08	24h	1st Greg & Delmar's 24 Hour Adventure Run	117.160 km	8
13.06	50km	1st Best Run By A Dam Site	6:43:32 h	38
19.04	100km	13th Ruth Anderson Ultra 100km	12:07:54 h	22
04.04	50mi	19th American River 50 Mile Endurance Run	11:26:19 h	427
14.03	50km	9th Way Too Cool 50K Endurance Run	6:45:31 h	284
10.01	50mi	18th Avalon Benefit 50-Mile Run	10:51:18 h	94
1997
29.12	72h	15th Across the Years, 72h	290.000 km	3 🥉
07.12	50km	11th OTHTC High Desert 50K Ultra	6:06:18 h	115
15.11	50mi	2nd Helen Klein Ultra Classic 50mi	10:45:47 h	90
07.06	33mi	1st Holcomb Valley 33 Mile	7:12:56 h	91
17.05	50mi	4th Bishop High Sierra Ultramarathons 50 Miles	12:12:20 h	48
03.05	100km	2nd Miwok 100k Trail race	15:54:18 h	96
19.04	50mi	12th Ruth Anderson Ultra 100km - 50mi Split	9:54:30 h	32
19.04	100km	12th Ruth Anderson Ultra 100km	12:49:42 h	30
15.03	50km	8th Way Too Cool 50K Endurance Run	6:34:37 h	311
11.01	50mi	17th Avalon Benefit 50-Mile Run	11:02:22 h	148
1996
08.12	50km	10th OTHTC High Desert 50K Ultra	6:24:37 h	106
02.08	12h	Orange 12 Hour Run	93.988 km	7
22.07	24h	1st Jim Skophammer/BAUR 24 Hour	100.986 km	25
20.04	100km	11th Ruth Anderson Ultra 100km	12:01:00 h	23
1995
10.12	50km	9th OTHTC High Desert 50K Ultra	6:35:22 h	95
09.09	50mi	1st Cameron Park 50 Mile	11:45:21 h	34
1994
04.06	50km	5th Shadow of the Giants 50K	7:21:55 h	123
1993
14.11	50mi	Gibson Ranch Last Chance 50 Mile	11:14:20 h	53
1986
13.04	50mi	7th American River 50 Mile Endurance Run	11:46:33 h	307
1985
09.02	50mi	7th Jed Smith Ultra Classic - 50 Mile Race	9:15:38 h	88
1984
15.04	50mi	5th American River 50 Mile Endurance Run	11:44:17 h	362
11.02	50mi	6th Jed Smith Ultra Classic - 50 Mile Race	8:46:12 h	64

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	26/12/1999	17th Across the Years, 6 days	364,80	×5
✓ 2	29/12/1997	15th Across the Years, 72h	290,00	×4
✓ 3	29/12/1998	16th Across the Years, 72h	260,80	×3
✓ 4	29/12/2000	18th Across the Years, 72h	249,60	×3
✓ 5	29/12/2004	22nd Across the Years, 72h	229,00	×3
✓ 6	29/12/2007	25th Across the Years, 72h	171,00	×2
✓ 7	29/12/2003	21st Across the Years, 72h	166,00	×2
✓ 8	17/7/1999	11th Vermont 100 Mile Endurance Race	160,93	×2
✓ 9	18/11/2000	2nd San Diego One Day 24-Hour Race	123,68	×1
✓ 10	29/12/2005	23rd Across the Years, 72h	121,00	×1
✓ 11	28/8/1998	1st Greg & Delmar's 24 Hour Adventure Run	117,16	×1
✓ 12	22/7/1996	1st Jim Skophammer/BAUR 24 Hour	100,99	×1
✓ 13	30/4/2005	10th Miwok 100k Trail race	100,00	×1
✓ 14	5/5/2001	6th Miwok 100k Trail race	100,00	×1
✓ 15	22/4/2000	14th Ruth Anderson Ultra 100km	100,00	×1
✓ 16	1/5/1999	4th Miwok 100k Trail race	100,00	×1
✓ 17	19/4/1998	13th Ruth Anderson Ultra 100km	100,00	×1
✓ 18	3/5/1997	2nd Miwok 100k Trail race	100,00	×1
✓ 19	19/4/1997	12th Ruth Anderson Ultra 100km	100,00	×1
✓ 20	20/4/1996	11th Ruth Anderson Ultra 100km	100,00	×1
✓ 21	2/8/1996	Orange 12 Hour Run	93,99	×1
✓ 22	24/9/2005	19th Sierra Nevada Endurance 53 Mile Run	85,62	×1
✓ 23	17/10/2015	50-Mile Endurance Challenge Urban Ultramarathon	82,88	×1
✓ 24	12/1/2008	28th Avalon Benefit 50-Mile Run	80,47	×1
✓ 25	14/4/2007	28th American River 50 Mile Endurance Run	80,47	×1
✓ 26	13/1/2007	27th Avalon Benefit 50-Mile Run	80,47	×1
✓ 27	26/8/2006	2nd Lean Horse Ultra-Marathon 50 Mile	80,47	×1
✓ 28	1/4/2006	27th American River 50 Mile Endurance Run	80,47	×1
✓ 29	14/1/2006	26th Avalon Benefit 50-Mile Run	80,47	×1
✓ 30	5/11/2005	10th Helen Klein Ultra Classic 50mi	80,47	×1
✓ 31	17/4/2004	18th Ruth Anderson Ultra 50mi	80,47	×1
✓ 32	3/4/2004	25th American River 50 Mile Endurance Run	80,47	×1
✓ 33	10/1/2004	24th Avalon Benefit 50-Mile Run	80,47	×1
✓ 34	16/8/2003	2nd Pony Express 50 Mile Run	80,47	×1
✓ 35	17/5/2003	10th Bishop High Sierra Ultramarathons 50 Miles	80,47	×1
✓ 36	5/4/2003	24th American River 50 Mile Endurance Run	80,47	×1
✓ 37	9/11/2002	7th Helen Klein Ultra Classic 50mi	80,47	×1
✓ 38	18/5/2002	9th Bishop High Sierra Ultramarathons 50 Miles	80,47	×1
✓ 39	6/4/2002	23rd American River 50 Mile Endurance Run	80,47	×1
✓ 40	19/5/2001	8th Bishop High Sierra Ultramarathons 50 Miles	80,47	×1
✓ 41	21/4/2001	15th Ruth Anderson Ultra 50mi	80,47	×1
✓ 42	7/4/2001	22nd American River 50 Mile Endurance Run	80,47	×1
✓ 43	13/1/2001	21st Avalon Benefit 50-Mile Run	80,47	×1
✓ 44	11/11/2000	5th Helen Klein Ultra Classic 50mi	80,47	×1
✓ 45	10/4/1999	20th American River 50 Mile Endurance Run	80,47	×1
✓ 46	14/11/1998	3rd Helen Klein Ultra Classic 50mi	80,47	×1
✓ 47	4/4/1998	19th American River 50 Mile Endurance Run	80,47	×1
✓ 48	10/1/1998	18th Avalon Benefit 50-Mile Run	80,47	×1
✓ 49	15/11/1997	2nd Helen Klein Ultra Classic 50mi	80,47	×1
✓ 50	17/5/1997	4th Bishop High Sierra Ultramarathons 50 Miles	80,47	×1
✓ 51	11/1/1997	17th Avalon Benefit 50-Mile Run	80,47	×1
✓ 52	9/9/1995	1st Cameron Park 50 Mile	80,47	×1
✓ 53	14/11/1993	Gibson Ranch Last Chance 50 Mile	80,47	×1
✓ 54	13/4/1986	7th American River 50 Mile Endurance Run	80,47	×1
✓ 55	9/2/1985	7th Jed Smith Ultra Classic - 50 Mile Race	80,47	×1
✓ 56	15/4/1984	5th American River 50 Mile Endurance Run	80,47	×1
✓ 57	11/2/1984	6th Jed Smith Ultra Classic - 50 Mile Race	80,47	×1
✓ 58	31/12/2013	4th New Years One Day 12 Hour Run	66,59	—
✓ 59	23/5/2015	7th Nanny Goat 12 Hour Race	65,98	—
✓ 60	24/5/2014	6th Nanny Goat 12 Hour Race	64,37	—
61	29/12/2006	24th Across the Years, 72h	56,50	—
62	11/6/2005	9th Holcomb Valley 33 Mile	53,11	—
63	14/6/2003	7th Holcomb Valley 33 Mile	53,11	—
64	2/6/2002	6th Holcomb Valley 33 Mile	53,11	—
65	6/6/1999	3rd Holcomb Valley 33 Mile	53,11	—
66	7/6/1997	1st Holcomb Valley 33 Mile	53,11	—
67	31/12/2016	7th New Years One Day 12 Hour Run	51,50	—
68	25/5/2013	5th Nanny Goat 12 Hour Race	51,50	—
69	27/12/2009	1st Big Cat Challenge 12-Hour Run	51,50	—
70	31/12/2014	5th New Years One Day 12 Hour Run	51,42	—
71	29/8/2015	1st Julian Station Full Moon 24 Hour Run	51,18	—
72	27/8/2005	8th Tamalpa Headlands 50K	50,69	—
73	23/8/2003	6th Tamalpa Headlands 50K	50,69	—
74	25/8/2001	4th Tamalpa Headlands 50K	50,69	—
75	2/4/2016	4th Beyond Limits Ultra Race 50km	50,00	—
76	7/12/2014	28th OTHTC High Desert 50K Ultra	50,00	—
77	20/4/2013	27th Ruth Anderson Ultra 50km	50,00	—
78	2/12/2012	26th OTHTC High Desert 50K Ultra	50,00	—
79	21/4/2012	26th Ruth Anderson Ultra 50km	50,00	—
80	21/5/2011	18th Bishop High Sierra Ultramarathons 50 km	50,00	—
81	23/4/2011	25th Ruth Anderson Ultra 50km	50,00	—
82	5/12/2010	24th OTHTC High Desert 50K Ultra	50,00	—
83	17/4/2010	24th Ruth Anderson Ultra 50km	50,00	—
84	31/10/2009	14th Helen Klein Ultra Classic 50km	50,00	—
85	18/4/2009	23th Ruth Anderson Ultra 50km	50,00	—
86	7/12/2008	22nd OTHTC High Desert 50K Ultra	50,00	—
87	16/2/2008	3rd Orange Curtain 50km Ultra Race	50,00	—
88	2/12/2007	21st OTHTC High Desert 50K Ultra	50,00	—
89	31/3/2007	21th Ruth Anderson Ultra 50km	50,00	—
90	17/2/2007	2nd Orange Curtain 50km Ultra Race	50,00	—
91	3/12/2006	20th OTHTC High Desert 50K Ultra	50,00	—
92	12/8/2006	2nd Angeles National Forest 50k Trail Race	50,00	—
93	20/5/2006	13th Bishop High Sierra Ultramarathons 50 km	50,00	—
94	22/4/2006	20th Ruth Anderson Ultra 50km	50,00	—
95	11/3/2006	17th Way Too Cool 50K Endurance Run	50,00	—
96	18/2/2006	1st Orange Curtain 50km Ultra Race	50,00	—
97	4/12/2005	19th OTHTC High Desert 50K Ultra	50,00	—
98	13/8/2005	1st Angeles National Forest 50k Trail Race	50,00	—
99	4/6/2005	16th Shadow of the Giants 50K	50,00	—
100	21/5/2005	12th Bishop High Sierra Ultramarathons 50 km	50,00	—
101	16/4/2005	19th Ruth Anderson Ultra 50km	50,00	—
102	12/3/2005	16th Way Too Cool 50K Endurance Run	50,00	—
103	4/12/2004	18th OTHTC High Desert 50K Ultra	50,00	—
104	20/3/2004	2nd Rucky Chucky Roundabout 50K	50,00	—
105	13/3/2004	15th Way Too Cool 50K Endurance Run	50,00	—
106	7/12/2003	17th OTHTC High Desert 50K Ultra	50,00	—
107	31/8/2003	9th Run On The Sly 50 km	50,00	—
108	8/3/2003	14th Way Too Cool 50K Endurance Run	50,00	—
109	8/12/2002	16th OTHTC High Desert 50K Ultra	50,00	—
110	9/3/2002	13th Way Too Cool 50K Endurance Run	50,00	—
111	9/12/2001	15th OTHTC High Desert 50K Ultra	50,00	—
112	2/9/2001	7th Run On The Sly 50 km	50,00	—
113	2/6/2001	12th Shadow of the Giants 50K	50,00	—
114	10/3/2001	12th Way Too Cool 50K Endurance Run	50,00	—
115	10/12/2000	14th OTHTC High Desert 50K Ultra	50,00	—
116	3/9/2000	6th Run On The Sly 50 km	50,00	—
117	3/6/2000	11th Shadow of the Giants 50K	50,00	—
118	11/3/2000	11th Way Too Cool 50K Endurance Run	50,00	—
119	5/12/1999	13th OTHTC High Desert 50K Ultra	50,00	—
120	12/6/1999	2nd Best Run By A Dam Site	50,00	—
121	13/3/1999	10th Way Too Cool 50K Endurance Run	50,00	—
122	6/12/1998	12th OTHTC High Desert 50K Ultra	50,00	—
123	13/6/1998	1st Best Run By A Dam Site	50,00	—
124	14/3/1998	9th Way Too Cool 50K Endurance Run	50,00	—
125	7/12/1997	11th OTHTC High Desert 50K Ultra	50,00	—
126	15/3/1997	8th Way Too Cool 50K Endurance Run	50,00	—
127	8/12/1996	10th OTHTC High Desert 50K Ultra	50,00	—
128	10/12/1995	9th OTHTC High Desert 50K Ultra	50,00	—
129	4/6/1994	5th Shadow of the Giants 50K	50,00	—
130	28/5/2016	8th Nanny Goat 12 Hour Race	49,89	—
131	28/5/2011	3rd Nanny Goat 12 Hour Race	49,89	—