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Race Directors

Sean O'Brien 100k/50M/50k

January 31st 2026
Malibu, CA
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Registration
Results
50 KM | 50 Miles | 100 KM
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2017 Sean O'Brien 100k/50M/50k Race Results (50 KM )

100 KM 50 Miles 50 KM
Overall
Place		 Division
Place
1
 1 Michael Eastburn
M
20-29
4:40:29
9:01 /mi
2
 2 Kenneth Ringled
M
30-39
4:49:22
9:18 /mi
3
 3 Jerry Garcia
M
30-39
5:04:15
9:47 /mi
4
 1 Emily Kalenius
F
30-39
5:11:54
10:02 /mi
5
 4 Drew Dinan
M
30-39
5:25:47
10:29 /mi
6
 5 Eli Dickerson
M
30-39
5:26:13
10:29 /mi
7
 6 Max Tiemann
M
30-39
5:26:33
10:30 /mi
8
 7 Marcus Lostracco
M
20-29
5:30:08
10:37 /mi
9
 8 Randy Miller
M
50-59
5:32:06
10:41 /mi
10
 9 Heeva Asefvaziri
M
20-29
5:34:09
10:45 /mi
11
 10 Adam Blank
M
20-29
5:34:32
10:46 /mi
12
 2 Sydney Running
F
30-39
5:42:46
11:01 /mi
13
 3 Bree Lambert
F
40-49
5:56:20
11:28 /mi
14
 11 Vince Nguyen
M
40-49
5:56:47
11:28 /mi
15
 4 Caitlin Jacobsen
F
30-39
6:01:48
11:38 /mi
16
 12 Greg Smith
M
40-49
6:03:27
11:41 /mi
17
 13 Ian Hart
M
20-29
6:06:31
11:47 /mi
18
 14 William Caplenor
M
30-39
6:07:46
11:50 /mi
19
 15 Ralph Purugganan
M
30-39
6:09:10
11:52 /mi
20
 16 Russ Dresher
M
30-39
6:11:59
11:58 /mi
21
 17 Chris Peterson
M
30-39
6:12:55
12:00 /mi
22
 18 Cooper Knowlton
M
30-39
6:14:57
12:04 /mi
23
 19 John Kurtz
M
30-39
6:16:17
12:06 /mi
24
 5 Emily Stone
F
30-39
6:17:14
12:08 /mi
25
 20 Nevin Hill
M
20-29
6:19:32
12:12 /mi
26
 21 Tim Cadogan
M
40-49
6:21:08
12:16 /mi
27
 22 Anthony Snitker
M
20-29
6:24:18
12:22 /mi
28
 23 GUS KODSI
M
50-59
6:25:37
12:24 /mi
29
 24 Aylwin Villanueva
M
20-29
6:26:47
12:26 /mi
30
 6 Mariateresa Magula
F
30-39
6:33:46
12:40 /mi
31
 7 Kristin Neland
F
30-39
6:35:33
12:43 /mi
32
 25 Ian Hurley
M
20-29
6:35:56
12:44 /mi
33
 26 Michael Emerling
M
40-49
6:36:55
12:46 /mi
34
 27 Sean Blanton
M
30-39
6:36:57
12:46 /mi
35
 28 Joel Kuhn
M
20-29
6:37:02
12:46 /mi
36
 8 Ashlee Mayfield
F
30-39
6:37:07
12:46 /mi
37
 29 Brian Williams
M
30-39
6:43:01
12:58 /mi
38
 30 Dmitri Soloviev
M
40-49
6:43:58
13:00 /mi
39
 9 Michaela Miller
F
30-39
6:46:51
13:05 /mi
40
 10 Kristin Petersen Baldrica
F
40-49
6:51:27
13:14 /mi
41
 11 Charlotte Brockman
F
30-39
6:58:19
13:27 /mi
42
 12 Jian Springer
F
40-49
7:07:48
13:46 /mi
43
 13 Chloe Romero
F
20-29
7:08:38
13:47 /mi
44
 14 Mary Kast
F
30-39
7:09:49
13:50 /mi
45
 15 Erin Shaw
F
30-39
7:12:39
13:55 /mi
46
 31 Paul Merrill
M
30-39
7:14:11
13:58 /mi
47
 32 Bang Tran
M
40-49
7:19:47
14:09 /mi
48
 33 Carlos Portal
M
50-59
7:22:09
14:13 /mi
49
 16 Marie Donovan
F
30-39
7:22:16
14:14 /mi
50
 34 Anthony Archibald
M
30-39
7:23:30
14:16 /mi
51
 35 Brian Taylor
M
30-39
7:24:54
14:19 /mi
52
 36 Bernabe Contreras
M
40-49
7:25:50
14:20 /mi
53
 37 David Choi
M
40-49
7:27:13
14:23 /mi
54
 38 Steve Carter
M
40-49
7:27:40
14:24 /mi
55
 39 Steve Carter
M
40-49
7:27:40
14:24 /mi
56
 40 Josh Swopes
M
30-39
7:27:58
14:25 /mi
57
 17 Vivian Rico
F
20-29
7:29:46
14:28 /mi
58
 41 Randy Morman
M
40-49
7:29:50
14:28 /mi
59
 42 Marc Linhardt
M
40-49
7:30:41
14:30 /mi
60
 43 Benjamin Yang
M
40-49
7:31:22
14:31 /mi
61
 18 Sofia Loomis
F
40-49
7:32:25
14:33 /mi
62
 44 Joey Wilson
M
30-39
7:34:26
14:37 /mi
63
 45 D Montgomery Lewis
M
50-59
7:35:49
14:40 /mi
64
 46 Erik Dube
M
40-49
7:38:18
14:45 /mi
65
 19 Ivonne Garcia
F
20-29
7:38:40
14:45 /mi
66
 47 Neil Barnsdale
M
50-59
7:38:42
14:45 /mi
67
 48 Steve Ngo
M
40-49
7:40:47
14:49 /mi
68
 49 Nam Lam
M
40-49
7:40:52
14:49 /mi
69
 50 Jaime Martinez
M
30-39
7:41:30
14:51 /mi
70
 51 Rylan Reynolds
M
30-39
7:43:43
14:55 /mi
71
 52 George Garcia
M
40-49
7:44:39
14:57 /mi
72
 53 Dennis Ladnier
M
50-59
7:47:14
15:02 /mi
73
 20 Nancy Watson
F
40-49
7:49:04
15:05 /mi
74
 54 Joe Beutel
M
30-39
7:50:06
15:07 /mi
75
 55 Kaj Stromer
M
50-59
7:51:33
15:10 /mi
76
 21 Melissa Jackson
F
30-39
7:51:58
15:11 /mi
77
 56 Narendra Rocherolle
M
40-49
7:52:06
15:11 /mi
78
 22 Amy Hutner
F
50-59
7:54:18
15:15 /mi
79
 23 Janna Williams
F
50-59
8:00:06
15:27 /mi
80
 24 Catherine Craven
F
40-49
8:01:02
15:28 /mi
81
 25 Ann Ongena
F
50-59
8:02:32
15:31 /mi
82
 26 Patty Duffy
F
40-49
8:02:32
15:31 /mi
83
 57 Vikram Singh
M
20-29
8:02:51
15:32 /mi
84
 27 Shana Sutherland
F
30-39
8:05:53
15:38 /mi
85
 58 Sy Vu
M
40-49
8:06:23
15:39 /mi
86
 59 Hassane Alami
M
40-49
8:08:23
15:43 /mi
87
 28 Susan Owen-Mccollum
F
40-49
8:08:48
15:43 /mi
88
 29 Amara Brook
F
40-49
8:14:44
15:55 /mi
89
 30 Jenny Lockwood
F
40-49
8:14:53
15:55 /mi
90
 60 Pete Primavera
M
50-59
8:15:01
15:55 /mi
91
 31 Mary Ann Carraher
F
50-59
8:16:58
15:59 /mi
92
 61 Steve Sage
M
40-49
8:17:42
16:01 /mi
93
 62 Matt Miguelena
M
40-49
8:22:23
16:10 /mi
94
 63 Ezequiel De La Rosa
M
40-49
8:22:52
16:11 /mi
95
 64 Matt Phan
M
40-49
8:23:14
16:11 /mi
96
 65 Canh Do
M
40-49
8:23:14
16:11 /mi
97
 66 Duc Au
M
50-59
8:23:42
16:12 /mi
98
 32 Kim Handloser
F
50-59
8:24:28
16:14 /mi
99
 33 Jill Liston
F
50-59
8:24:45
16:14 /mi
100
 67 John Hockett
M
40-49
8:24:45
16:14 /mi
101
 68 Gregory Winley
M
20-29
8:24:54
16:15 /mi
102
 34 Ana Saravia
F
40-49
8:26:03
16:17 /mi
103
 69 Luis Escobar
M
50-59
8:26:34
16:18 /mi
104
 70 Mauricio Puerto
M
40-49
8:26:35
16:18 /mi
105
 71 Tomasz Jakubowski
M
40-49
8:28:12
16:21 /mi
106
 72 Jess Kiebach
M
40-49
8:29:13
16:23 /mi
107
 35 Jenny Nakamura
F
30-39
8:30:14
16:25 /mi
108
 36 Erica Manz
F
30-39
8:30:23
16:25 /mi
109
 37 Angela Tang
F
30-39
8:31:58
16:28 /mi
110
 73 Lawrence Melendez
M
30-39
8:32:27
16:29 /mi
111
 38 Michelle Krok
F
40-49
8:32:31
16:29 /mi
112
 39 Natasha Harris
F
40-49
8:34:39
16:33 /mi
113
 74 John D'Agostino
M
30-39
8:36:40
16:37 /mi
114
 40 Lisa Kuecker
F
50-59
8:37:34
16:39 /mi
115
 41 Carol Clark
F
50-59
8:41:25
16:46 /mi
116
 75 John Myrda
M
40-49
8:46:20
16:56 /mi
117
 76 Michael Nagayama
M
30-39
8:46:53
16:57 /mi
118
 77 Laning Davis
M
30-39
8:50:19
17:04 /mi
119
 78 Freddy Luis
M
40-49
8:50:20
17:04 /mi
120
 79 Edward Haverly
M
40-49
8:51:22
17:06 /mi
121
 80 Reggie Santos
M
50-59
8:53:26
17:10 /mi
122
 42 Karen Ringheiser
F
50-59
8:53:53
17:10 /mi
123
 81 Eric Monson
M
40-49
8:56:39
17:16 /mi
124
 43 Michele Hart
F
30-39
8:57:36
17:18 /mi
125
 82 Justin Nakamura
M
30-39
8:59:45
17:22 /mi
126
 83 Harold Mendoza
M
40-49
9:01:32
17:25 /mi
127
 44 Norma Mazon
F
40-49
9:03:28
17:29 /mi
128
 45 Sayoko Fujii
F
50-59
9:06:20
17:35 /mi
129
 84 Ovidio Porras
M
50-59
9:06:55
17:36 /mi
130
 46 Alejandra Ruiz
F
40-49
9:07:18
17:36 /mi
131
 85 Paulius Berenis
M
40-49
9:07:58
17:38 /mi
132
 86 Brian Masayon
M
40-49
9:08:32
17:39 /mi
133
 87 Jakob Hermann
M
40-49
9:10:39
17:43 /mi
134
 88 Craig Smith
M
50-59
9:17:27
17:56 /mi
135
 47 Pam Everett-Nielsen
F
50-59
9:17:28
17:56 /mi
136
 48 Summer Wesson
F
30-39
9:17:29
17:56 /mi
137
 49 Linda Nassif
F
50-59
9:17:29
17:56 /mi
138
 50 Alicia Krueger
F
40-49
9:18:03
17:57 /mi
139
 89 Nic Mintebon
M
40-49
9:18:05
17:57 /mi
140
 90 John Campise
M
40-49
9:19:58
18:01 /mi
141
 91 David Kobayashi
M
50-59
9:21:58
18:05 /mi
142
 51 Jacqueline Woyth
F
30-39
9:22:30
18:06 /mi
143
 92 Grant Bullis
M
50-59
9:23:54
18:08 /mi
144
 93 Chris Bonnemaison
M
50-59
9:25:14
18:11 /mi
145
 94 Octavio Armas
M
50-59
9:27:10
18:15 /mi
146
 95 Matt Garcia
M
20-29
9:30:00
18:20 /mi
147
 52 Carla Cesaroni
F
50-59
9:30:38
18:21 /mi
148
 96 Hiroyuki Mcknight
M
50-59
9:33:14
18:26 /mi
149
 53 Esperanza Jacob-Amores
F
30-39
9:33:40
18:27 /mi
150
 97 Jesus Castellanos
M
40-49
9:35:07
18:30 /mi
151
 54 Silvia Ramirez
F
40-49
9:38:42
18:37 /mi
152
 55 Rosanna Sumagaysay-Aouda
F
40-49
9:38:42
18:37 /mi
153
 56 Kim Hess
F
50-59
9:38:42
18:37 /mi
154
 57 Maya Grasse
F
30-39
9:39:16
18:38 /mi
155
 98 Christophe Stahl
M
40-49
9:42:39
18:45 /mi
156
 99 Stephen Strauss
M
60-69
9:42:53
18:45 /mi
157
 58 Leah Harold
F
30-39
9:43:22
18:46 /mi
158
 100 Brett Smithley
M
40-49
9:46:00
18:51 /mi
159
 101 Scotty Galloway
M
40-49
9:46:00
18:51 /mi
160
 59 Cassandra Boyle
F
40-49
9:50:28
19:00 /mi
161
 60 Alicja Grace
F
30-39
9:51:49
19:02 /mi
162
 61 Kristin Bradford
F
40-49
9:53:32
19:06 /mi
163
 62 Arlene Pangan
F
30-39
9:53:33
19:06 /mi
164
 102 Carl Pregozen
M
50-59
9:55:36
19:10 /mi
165
 103 Julian Ibarra
M
40-49
9:58:11
19:15 /mi
166
 63 Diana Liu
F
20-29
10:01:15
19:21 /mi
167
 64 Nary Chum
F
30-39
10:02:45
19:23 /mi
168
 65 Casandra Perez
F
30-39
10:04:02
19:26 /mi
169
 66 Lee Meach
F
40-49
10:04:41
19:27 /mi
170
 67 Tamara Aarin
F
40-49
10:05:21
19:29 /mi
171
 104 Richard Dillon
M
50-59
10:05:22
19:29 /mi
172
 68 Lisa Kim
F
40-49
10:14:27
19:46 /mi
173
 69 Kristine Hartman
F
50-59
10:16:47
19:51 /mi
174
 105 Alan Dionson
M
40-49
10:28:19
20:13 /mi
175
 70 Giovanna Gibson
F
50-59
10:39:42
20:35 /mi
176
 71 Alma Barroga
F
50-59
10:42:43
20:41 /mi
177
 72 Tracy Owens
F
50-59
10:47:29
20:50 /mi
178
 73 Vida Ash
F
50-59
10:52:28
20:59 /mi
179
 106 Christopher Diaz
M
20-29
11:00:27
21:15 /mi
180
 107 Wayne Choo
M
50-59
11:07:25
21:28 /mi
181
 108 Ryan Swindall
M
40-49
11:41:56
22:35 /mi
182
 74 Tamara Premsrirath
F
40-49
12:31:45
24:11 /mi
183
 75 Marisol Cortes
F
40-49
12:44:25
24:36 /mi
184
 76 Marlana De La Rosa
F
30-39
13:23:47
25:52 /mi
185
 77 Joy Kim
F
30-39
13:23:58
25:52 /mi

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