Christina Brownson

Born : 1950 Cat. W75 Ultrarunner since 1998

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 ?

Australia

United States

86,1%

Rank quotient ?This runner's calculation uses 122 eligible race(s): Σ(rank − 1) = 20 153; Σ finishers = 23 400. 20 153 / 23 400 × 100 = 86.12%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed122

Km — ultra races7 837 km

> 100 km4

> 160 km4

Longest race160,9 km

7th Rio Del Lago 100 Mile — 23/9/2006

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road8,7%

Trail91,3%

Wins & podiums (ultra)

🏆 Win0

🏆 Win F0

🏅 Top 30

🏅 Top 3 F1

Longest winning streak0

Current streak0

Records

50 km5h19'06 100 km14h37'09 50 mi10h00'44 100 mi27h40'30

HISTORY

122 race(s)

Date		Race	Perf.	Rk
2016
16.04	50mi	30th Ruth Anderson Ultra 50mi	12:33:33 h	14
20.03	50km	6th Canyon Meadow (March) 50 km Trail Run	8:34:29 h	38
06.02	50km	38th Jed Smith Ultra Classic - 50 km Race	7:14:38 h	69
2015
04.04	50mi	36th American River 50 Mile Endurance Run	13:42:08 h	608
22.03	50km	5th Canyon Meadow (March) 50 km Trail Run	7:58:32 h	48
07.02	50km	37th Jed Smith Ultra Classic - 50 km Race	7:13:41 h	80
2014
03.08	50km	33rd Skyline 50k Endurance Run	8:11:40 h	168
10.05	50km	31st Quicksilver 50 km Endurance Run	8:42:14 h	116
22.03	50km	4th Canyon Meadow (Winter) 50 km Trail Run	8:00:20 h	45
22.02	50km	4th Chabot Trail Run	7:43:51 h	58
01.02	50km	36th Jed Smith Ultra Classic - 50 km Race	6:56:04 h	89
2013
30.11	28mi	29th Quad Dipsea Trail Run	9:01:30 h	245
06.04	50mi	34th American River 50 Mile Endurance Run	13:11:16 h	824
2012
24.11	28mi	28th Quad Dipsea Trail Run	8:11:10 h	196
12.05	50km	29th Quicksilver 50 km Endurance Run	8:02:48 h	105
07.04	50mi	33rd American River 50 Mile Endurance Run	12:33:06 h	644
18.03	50km	1st Rodeo Valley 50 km Trail Run	8:19:32 h	40
04.02	50km	34th Jed Smith Ultra Classic - 50 km Race	6:40:10 h	71
2011
26.11	28mi	27th Quad Dipsea Trail Run	7:52:54 h	199
22.05	50km	24th Ohlone 50K Wilderness Run	9:19:12 h	186
09.04	50mi	32nd American River 50 Mile Endurance Run	12:31:38 h	570
05.02	50km	33rd Jed Smith Ultra Classic - 50 km Race	6:39:11 h	43
2010
27.11	28mi	26th Quad Dipsea Trail Run	8:13:01 h	192
09.10	50mi	28th Dick Collins Firetrails 50 Mile	14:38:31 h	234
15.08	50km	9th Stevens Creek Striders 50K	8:15:44 h	49
10.04	50mi	31st American River 50 Mile Endurance Run	12:30:14 h	557
13.03	34Miles	1st Uncool 34 Miles	9:09:00 h	7
2009
28.11	28mi	25th Quad Dipsea Trail Run	7:40:50 h	181
31.10	50km	14th Helen Klein Ultra Classic 50km	6:30:06 h	36
24.10	50km	10th Whiskeytown 50km Trail Run	7:56:31 h	23
10.10	50mi	27th Dick Collins Firetrails 50 Mile	13:05:09 h	208
12.09	50km	8th Stevens Creek Striders 50K	7:51:50 h	45
31.05	50km	22nd Ohlone 50K Wilderness Run	9:01:15 h	131
09.05	50km	26th Quicksilver 50 km Endurance Run	7:27:45 h	55
04.04	50mi	30th American River 50 Mile Endurance Run	12:22:30 h	476
2008
29.11	28mi	24th Quad Dipsea Trail Run	7:46:07 h	201
11.10	50mi	26th Dick Collins Firetrails 50 Mile	12:48:23 h	151
09.08	50mi	2nd Headlands Hundred 50 Mile Endurance Run	14:05:46 h	95
03.08	50km	27th Skyline 50k Endurance Run	7:09:51 h	104
18.05	50km	12th Glasshouse 50 Cook's Tour - 50 km	8:38:05 h	14
10.05	50km	25th Quicksilver 50 km Endurance Run	7:17:17 h	78
12.04	50mi	1st Lake Sonoma 50 Mile Race	14:28:33 h	74
05.04	50mi	29th American River 50 Mile Endurance Run	11:52:53 h	407
2007
22.12	50km	3rd Rodeo Beach 50km	7:05:30 h	49
15.12	50km	Muir Beach Trail Run	7:42:53 h	50
24.11	28mi	23rd Quad Dipsea Trail Run	7:19:26 h	196
28.10	100km	5th Javelina Jundred 100 km Endurance Run	18:26:06 h	32
13.10	50mi	25th Dick Collins Firetrails 50 Mile	12:27:18 h	206
11.08	50mi	1st Headlands Hundred 50 Mile Endurance Run	13:32:18 h	85
20.05	50km	20th Ohlone 50K Wilderness Run	8:10:06 h	113
12.05	50mi	24th Quicksilver 50 Mile Endurance Run	12:14:06 h	72
14.04	50mi	28th American River 50 Mile Endurance Run	11:44:17 h	397
24.03	50km	6th Pirates Cove Trail Run	7:09:49 h	64
17.02	50km	3rd Sequoia Trail Run	8:26:43 h	51
2006
16.12	50km	Muir Beach Trail Run	7:52:40 h	33
25.11	28mi	22nd Quad Dipsea Trail Run	7:34:43 h	197
11.11	50km	4th Stinson Beach 50 km	8:06:28 h	23
07.10	50mi	24th Dick Collins Firetrails 50 Mile	11:58:37 h	137
23.09	100mi	7th Rio Del Lago 100 Mile	29:27:09 h	37
06.08	50km	25th Skyline 50k Endurance Run	6:24:24 h	86
21.05	50km	19th Ohlone 50K Wilderness Run	8:51:49 h	100
06.05	100km	11th Miwok 100k Trail race	15:53:16 h	221
01.04	50mi	27th American River 50 Mile Endurance Run	12:02:25 h	388
11.03	50km	17th Way Too Cool 50K Endurance Run	7:27:02 h	344
2005
26.11	28mi	21st Quad Dipsea Trail Run	7:27:12 h	183
05.11	50mi	10th Helen Klein Ultra Classic 50mi	10:00:44 h	74
15.10	50mi	23rd Dick Collins Firetrails 50 Mile	12:02:53 h	116
24.09	100mi	6th Rio Del Lago 100 Mile	28:54:35 h	32
04.09	50mi	11th Run On The Sly 50 Mile	12:49:42 h	62
27.08	31.5mi	8th Tamalpa Headlands 50K	7:55:01 h	150
13.08	50km	4th Big Basin Redwoods Trail Run	8:04:09 h	26
07.08	50km	24th Skyline 50k Endurance Run	7:14:34 h	124
07.05	50mi	22nd Quicksilver 50 Mile Endurance Run	12:23:32 h	79
02.04	50mi	26th American River 50 Mile Endurance Run	11:52:14 h	394
20.03	50km	4th Stevens Creek Striders 50K	7:55:51 h	51
12.03	50km	16th Way Too Cool 50K Endurance Run	6:58:10 h	356
2004
09.10	50mi	22nd Dick Collins Firetrails 50 Mile	12:25:43 h	112
05.09	50mi	10th Run On The Sly 50 Mile	12:59:54 h	49
01.08	50km	23rd Skyline 50k Endurance Run	6:37:48 h	109
16.05	50km	17th Ohlone 50K Wilderness Run	8:20:19 h	85
01.05	100km	9th Miwok 100k Trail race	16:19:00 h	200
03.04	50mi	25th American River 50 Mile Endurance Run	11:44:42 h	398
20.03	50km	2nd Rucky Chucky Roundabout 50K	8:16:10 h	111
13.03	50km	15th Way Too Cool 50K Endurance Run	6:52:15 h	384
07.02	50km	26th Jed Smith Ultra Classic - 50 km Race	5:39:12 h	57
2003
29.11	28mi	19th Quad Dipsea Trail Run	7:18:08 h	172
08.11	100mi	1st Javelina Jundred 100 Mile	27:40:30 h	49
11.10	50mi	21st Dick Collins Firetrails 50 Mile	10:58:48 h	98
31.08	50mi	9th Run On The Sly 50 Mile	13:05:06 h	48
03.08	50km	22nd Skyline 50k Endurance Run	6:51:35 h	133
10.05	50km	20th Quicksilver 50 km Endurance Run	6:53:27 h	51
05.04	50mi	24th American River 50 Mile Endurance Run	11:42:30 h	403
08.03	50km	14th Way Too Cool 50K Endurance Run	6:54:37 h	413
08.02	50km	25th Jed Smith Ultra Classic - 50 km Race	5:50:42 h	74
2002
30.11	28mi	18th Quad Dipsea Trail Run	7:46:07 h	187
14.09	100mi	3rd Rio Del Lago 100 Mile	29:18:22 h	23
24.08	31.5mi	5th Tamalpa Headlands 50K	7:08:31 h	163
04.08	50km	21st Skyline 50k Endurance Run	6:29:05 h	137
20.07	50km	2nd Tahoe Rim Trail 50km Endurance Runs	9:20:36 h	138
11.05	50km	19th Quicksilver 50 km Endurance Run	6:29:43 h	55
04.05	100km	7th Miwok 100k Trail race	14:37:09 h	155
06.04	50mi	23rd American River 50 Mile Endurance Run	10:28:02 h	264
09.03	50km	13th Way Too Cool 50K Endurance Run	6:38:55 h	384
09.02	50km	24th Jed Smith Ultra Classic - 50 km Race	5:19:06 h	42
2001
24.11	28mi	17th Quad Dipsea Trail Run	7:35:09 h	148
02.09	50mi	7th Run On The Sly 50 Mile	11:52:08 h	39
20.05	50km	14th Ohlone 50K Wilderness Run	9:44:34 h	65
05.05	100km	6th Miwok 100k Trail race	16:03:46 h	167
07.04	50mi	22nd American River 50 Mile Endurance Run	10:49:29 h	279
10.03	50km	12th Way Too Cool 50K Endurance Run	6:54:38 h	388
10.02	50km	23rd Jed Smith Ultra Classic - 50 km Race	5:50:40 h	56
2000
13.05	50km	17th Quicksilver 50 km Endurance Run	7:00:27 h	80
01.04	50mi	21st American River 50 Mile Endurance Run	12:15:54 h	385
12.02	50km	22nd Jed Smith Ultra Classic - 50 km Race	5:46:35 h	79
1999
07.08	50km	18th Skyline 50k Endurance Run	7:16:29 h	203
08.05	50km	16th Quicksilver 50 km Endurance Run	6:47:17 h	76
10.04	50mi	20th American River 50 Mile Endurance Run	10:57:54 h	422
13.03	50km	10th Way Too Cool 50K Endurance Run	6:45:34 h	378
13.02	50km	21st Jed Smith Ultra Classic - 50 km Race	5:36:12 h	87
1998
09.05	50km	15th Quicksilver 50 km Endurance Run	6:47:19 h	100
04.04	50mi	19th American River 50 Mile Endurance Run	11:36:08 h	445
07.02	50km	20th Jed Smith Ultra Classic - 50 km Race	6:08:25 h	82

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	23/9/2006	7th Rio Del Lago 100 Mile	160,93	×3
✓ 2	24/9/2005	6th Rio Del Lago 100 Mile	160,93	×3
✓ 3	8/11/2003	1st Javelina Jundred 100 Mile	160,93	×3
✓ 4	14/9/2002	3rd Rio Del Lago 100 Mile	160,93	×3
✓ 5	28/10/2007	5th Javelina Jundred 100 km Endurance Run	100,00	×1
✓ 6	6/5/2006	11th Miwok 100k Trail race	100,00	×1
✓ 7	1/5/2004	9th Miwok 100k Trail race	100,00	×1
✓ 8	4/5/2002	7th Miwok 100k Trail race	100,00	×1
✓ 9	5/5/2001	6th Miwok 100k Trail race	100,00	×1
✓ 10	16/4/2016	30th Ruth Anderson Ultra 50mi	80,47	×1
✓ 11	4/4/2015	36th American River 50 Mile Endurance Run	80,47	×1
✓ 12	6/4/2013	34th American River 50 Mile Endurance Run	80,47	×1
✓ 13	7/4/2012	33rd American River 50 Mile Endurance Run	80,47	×1
✓ 14	9/4/2011	32nd American River 50 Mile Endurance Run	80,47	×1
✓ 15	9/10/2010	28th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 16	10/4/2010	31st American River 50 Mile Endurance Run	80,47	×1
✓ 17	10/10/2009	27th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 18	4/4/2009	30th American River 50 Mile Endurance Run	80,47	×1
✓ 19	11/10/2008	26th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 20	9/8/2008	2nd Headlands Hundred 50 Mile Endurance Run	80,47	×1
✓ 21	12/4/2008	1st Lake Sonoma 50 Mile Race	80,47	×1
✓ 22	5/4/2008	29th American River 50 Mile Endurance Run	80,47	×1
✓ 23	13/10/2007	25th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 24	11/8/2007	1st Headlands Hundred 50 Mile Endurance Run	80,47	×1
✓ 25	12/5/2007	24th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 26	14/4/2007	28th American River 50 Mile Endurance Run	80,47	×1
✓ 27	7/10/2006	24th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 28	1/4/2006	27th American River 50 Mile Endurance Run	80,47	×1
✓ 29	5/11/2005	10th Helen Klein Ultra Classic 50mi	80,47	×1
✓ 30	15/10/2005	23rd Dick Collins Firetrails 50 Mile	80,47	×1
✓ 31	4/9/2005	11th Run On The Sly 50 Mile	80,47	×1
✓ 32	7/5/2005	22nd Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 33	2/4/2005	26th American River 50 Mile Endurance Run	80,47	×1
✓ 34	9/10/2004	22nd Dick Collins Firetrails 50 Mile	80,47	×1
✓ 35	5/9/2004	10th Run On The Sly 50 Mile	80,47	×1
✓ 36	3/4/2004	25th American River 50 Mile Endurance Run	80,47	×1
✓ 37	11/10/2003	21st Dick Collins Firetrails 50 Mile	80,47	×1
✓ 38	31/8/2003	9th Run On The Sly 50 Mile	80,47	×1
✓ 39	5/4/2003	24th American River 50 Mile Endurance Run	80,47	×1
✓ 40	6/4/2002	23rd American River 50 Mile Endurance Run	80,47	×1
✓ 41	2/9/2001	7th Run On The Sly 50 Mile	80,47	×1
✓ 42	7/4/2001	22nd American River 50 Mile Endurance Run	80,47	×1
✓ 43	1/4/2000	21st American River 50 Mile Endurance Run	80,47	×1
✓ 44	10/4/1999	20th American River 50 Mile Endurance Run	80,47	×1
✓ 45	4/4/1998	19th American River 50 Mile Endurance Run	80,47	×1
✓ 46	13/3/2010	1st Uncool 34 Miles	54,72	×1
✓ 47	27/8/2005	8th Tamalpa Headlands 50K	50,69	—
✓ 48	24/8/2002	5th Tamalpa Headlands 50K	50,69	—
✓ 49	20/3/2016	6th Canyon Meadow (March) 50 km Trail Run	50,00	—
✓ 50	6/2/2016	38th Jed Smith Ultra Classic - 50 km Race	50,00	—
51	22/3/2015	5th Canyon Meadow (March) 50 km Trail Run	50,00	—
52	7/2/2015	37th Jed Smith Ultra Classic - 50 km Race	50,00	—
53	3/8/2014	33rd Skyline 50k Endurance Run	50,00	—
54	10/5/2014	31st Quicksilver 50 km Endurance Run	50,00	—
55	22/3/2014	4th Canyon Meadow (Winter) 50 km Trail Run	50,00	—
56	22/2/2014	4th Chabot Trail Run	50,00	—
57	1/2/2014	36th Jed Smith Ultra Classic - 50 km Race	50,00	—
58	12/5/2012	29th Quicksilver 50 km Endurance Run	50,00	—
59	18/3/2012	1st Rodeo Valley 50 km Trail Run	50,00	—
60	4/2/2012	34th Jed Smith Ultra Classic - 50 km Race	50,00	—
61	22/5/2011	24th Ohlone 50K Wilderness Run	50,00	—
62	5/2/2011	33rd Jed Smith Ultra Classic - 50 km Race	50,00	—
63	15/8/2010	9th Stevens Creek Striders 50K	50,00	—
64	31/10/2009	14th Helen Klein Ultra Classic 50km	50,00	—
65	24/10/2009	10th Whiskeytown 50km Trail Run	50,00	—
66	12/9/2009	8th Stevens Creek Striders 50K	50,00	—
67	31/5/2009	22nd Ohlone 50K Wilderness Run	50,00	—
68	9/5/2009	26th Quicksilver 50 km Endurance Run	50,00	—
69	3/8/2008	27th Skyline 50k Endurance Run	50,00	—
70	18/5/2008	12th Glasshouse 50 Cook's Tour - 50 km	50,00	—
71	10/5/2008	25th Quicksilver 50 km Endurance Run	50,00	—
72	22/12/2007	3rd Rodeo Beach 50km	50,00	—
73	15/12/2007	Muir Beach Trail Run	50,00	—
74	20/5/2007	20th Ohlone 50K Wilderness Run	50,00	—
75	24/3/2007	6th Pirates Cove Trail Run	50,00	—
76	17/2/2007	3rd Sequoia Trail Run	50,00	—
77	16/12/2006	Muir Beach Trail Run	50,00	—
78	11/11/2006	4th Stinson Beach 50 km	50,00	—
79	6/8/2006	25th Skyline 50k Endurance Run	50,00	—
80	21/5/2006	19th Ohlone 50K Wilderness Run	50,00	—
81	11/3/2006	17th Way Too Cool 50K Endurance Run	50,00	—
82	13/8/2005	4th Big Basin Redwoods Trail Run	50,00	—
83	7/8/2005	24th Skyline 50k Endurance Run	50,00	—
84	20/3/2005	4th Stevens Creek Striders 50K	50,00	—
85	12/3/2005	16th Way Too Cool 50K Endurance Run	50,00	—
86	1/8/2004	23rd Skyline 50k Endurance Run	50,00	—
87	16/5/2004	17th Ohlone 50K Wilderness Run	50,00	—
88	20/3/2004	2nd Rucky Chucky Roundabout 50K	50,00	—
89	13/3/2004	15th Way Too Cool 50K Endurance Run	50,00	—
90	7/2/2004	26th Jed Smith Ultra Classic - 50 km Race	50,00	—
91	3/8/2003	22nd Skyline 50k Endurance Run	50,00	—
92	10/5/2003	20th Quicksilver 50 km Endurance Run	50,00	—
93	8/3/2003	14th Way Too Cool 50K Endurance Run	50,00	—
94	8/2/2003	25th Jed Smith Ultra Classic - 50 km Race	50,00	—
95	4/8/2002	21st Skyline 50k Endurance Run	50,00	—
96	20/7/2002	2nd Tahoe Rim Trail 50km Endurance Runs	50,00	—
97	11/5/2002	19th Quicksilver 50 km Endurance Run	50,00	—
98	9/3/2002	13th Way Too Cool 50K Endurance Run	50,00	—
99	9/2/2002	24th Jed Smith Ultra Classic - 50 km Race	50,00	—
100	20/5/2001	14th Ohlone 50K Wilderness Run	50,00	—
101	10/3/2001	12th Way Too Cool 50K Endurance Run	50,00	—
102	10/2/2001	23rd Jed Smith Ultra Classic - 50 km Race	50,00	—
103	13/5/2000	17th Quicksilver 50 km Endurance Run	50,00	—
104	12/2/2000	22nd Jed Smith Ultra Classic - 50 km Race	50,00	—
105	7/8/1999	18th Skyline 50k Endurance Run	50,00	—
106	8/5/1999	16th Quicksilver 50 km Endurance Run	50,00	—
107	13/3/1999	10th Way Too Cool 50K Endurance Run	50,00	—
108	13/2/1999	21st Jed Smith Ultra Classic - 50 km Race	50,00	—
109	9/5/1998	15th Quicksilver 50 km Endurance Run	50,00	—
110	7/2/1998	20th Jed Smith Ultra Classic - 50 km Race	50,00	—
111	30/11/2013	29th Quad Dipsea Trail Run	45,06	—
112	24/11/2012	28th Quad Dipsea Trail Run	45,06	—
113	26/11/2011	27th Quad Dipsea Trail Run	45,06	—
114	27/11/2010	26th Quad Dipsea Trail Run	45,06	—
115	28/11/2009	25th Quad Dipsea Trail Run	45,06	—
116	29/11/2008	24th Quad Dipsea Trail Run	45,06	—
117	24/11/2007	23rd Quad Dipsea Trail Run	45,06	—
118	25/11/2006	22nd Quad Dipsea Trail Run	45,06	—
119	26/11/2005	21st Quad Dipsea Trail Run	45,06	—
120	29/11/2003	19th Quad Dipsea Trail Run	45,06	—
121	30/11/2002	18th Quad Dipsea Trail Run	45,06	—
122	24/11/2001	17th Quad Dipsea Trail Run	45,06	—