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Diablo Trails Challenge

April 4th 2026
Walnut Creek, CA
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2023 Diablo Trails Challenge Race Results (50 KM )

50 KM
Overall
Place		 Division
Place
1
 1 Mark Johnson
M
30-39
5:21:52
10:21 /mi
2
 2 Kenneth Bujer
M
30-39
5:24:06
10:25 /mi
3
 3 Sean Ranney
M
40-49
5:27:05
10:31 /mi
4
 4 Ibles Olcina Samblas
M
30-39
5:31:03
10:39 /mi
5
 5 Joe Owen
M
50-59
5:48:15
11:12 /mi
6
 6 John McKune
M
40-49
5:49:11
11:14 /mi
7
 7 Casey Corman
M
30-39
5:51:29
11:18 /mi
8
 8 Alex Chew
M
20-29
5:51:58
11:19 /mi
9
 9 Sam Randall
M
20-29
5:53:31
11:22 /mi
10
 10 Richard Ross
M
30-39
6:03:41
11:42 /mi
11
 11 Mike Sears
M
40-49
6:13:10
12:00 /mi
12
 12 Jeff Fleming
M
50-59
6:19:32
12:12 /mi
13
 13 Patrick Yalon
M
30-39
6:24:43
12:22 /mi
14
 14 Dan Throckmorton
M
50-59
6:25:58
12:25 /mi
15
 15 Kevin Thayer
M
50-59
6:26:59
12:27 /mi
16
 16 Andrew Kaven
M
40-49
6:29:56
12:33 /mi
17
 1 Emily Hren
F
30-39
6:32:19
12:37 /mi
18
 17 Kevin Thorsen
M
20-29
6:32:52
12:38 /mi
19
 2 Laura Hayward
F
40-49
6:33:29
12:39 /mi
20
 18 Stephen Eales
M
40-49
6:38:07
12:48 /mi
21
 3 Nicolette Del Sarto
F
30-39
6:39:42
12:51 /mi
22
 19 Gene Day
M
50-59
6:39:46
12:51 /mi
23
 20 Shiran Kochavi
M
50-59
6:40:58
12:54 /mi
24
 21 Jose A Mejia
M
50-59
6:43:35
12:59 /mi
25
 22 Samuel Cooper
M
30-39
6:48:28
13:08 /mi
26
 4 Doone Watson
F
60-69
6:50:14
13:12 /mi
27
 5 Andrea Kane
F
30-39
6:52:28
13:16 /mi
28
 23 Christopher Duclo
M
40-49
6:53:37
13:18 /mi
29
 24 David Lettis
M
40-49
6:55:04
13:21 /mi
30
 25 Vlad Duta
M
30-39
6:57:17
13:25 /mi
31
 26 Roger Park
M
50-59
7:01:20
13:33 /mi
32
 6 Terri Choe
F
40-49
7:02:41
13:36 /mi
33
 27 Tony Klink
M
40-49
7:04:02
13:38 /mi
34
 28 Tuvshintugs Sukhbaatar
M
50-59
7:07:49
13:46 /mi
35
 29 Carl Ashcroft
M
50-59
7:09:10
13:48 /mi
36
 30 Guillaume Eicholz
M
40-49
7:11:58
13:54 /mi
37
 7 Cara Gilmore
F
30-39
7:12:04
13:54 /mi
38
 31 Brian Mulholand
M
40-49
7:13:40
13:57 /mi
39
 8 Susu He
F
20-29
7:14:16
13:58 /mi
40
 9 Jill Purdy
F
30-39
7:15:51
14:01 /mi
41
 32 Doug Ballou
M
50-59
7:16:56
14:03 /mi
42
 33 Nick Paradiso
M
40-49
7:17:08
14:04 /mi
43
 34 Erik Joelsson
M
40-49
7:20:11
14:10 /mi
44
 10 Brianna Santos
F
30-39
7:21:33
14:12 /mi
45
 35 Rasmus Karlsson
M
40-49
7:23:48
14:17 /mi
46
 36 James Oliphant
M
60-69
7:26:42
14:22 /mi
47
 37 Jeff Suburu
M
40-49
7:29:04
14:27 /mi
48
 38 Brian Ritchken
M
20-29
7:29:40
14:28 /mi
49
 39 Hoang-Nam Nguyen
M
50-59
7:31:05
14:31 /mi
50
 40 Franco Zuniga
M
30-39
7:32:07
14:33 /mi
51
 11 Felicia Lopez
F
30-39
7:32:54
14:34 /mi
52
 12 Julie Fingar
F
40-49
7:41:43
14:51 /mi
53
 41 Mike Reid
M
40-49
7:42:56
14:53 /mi
54
 42 Philip N Kaplan
M
50-59
7:45:17
14:58 /mi
55
 43 Jeff Brown
M
50-59
7:50:35
15:08 /mi
56
 44 Nathan Dickerman
M
40-49
7:51:55
15:11 /mi
57
 13 Michelle Ho
F
40-49
7:52:02
15:11 /mi
58
 14 Amy Nadeau
F
40-49
7:54:51
15:16 /mi
59
 45 Gary Eldridge
M
60-69
7:55:23
15:18 /mi
60
 15 Shabnam Saggi
F
40-49
7:56:02
15:19 /mi
61
 46 Donn Zea
M
60-69
7:56:06
15:19 /mi
62
 16 Alyson Watson
F
40-49
7:58:08
15:23 /mi
63
 47 Colby Haynes
M
40-49
8:01:21
15:29 /mi
64
 48 Joshua Barnard
M
30-39
8:01:51
15:30 /mi
65
 49 Amit Piplani
M
40-49
8:04:35
15:35 /mi
66
 17 Christine Velasquez
F
50-59
8:13:03
15:52 /mi
67
 18 Erdenedalai Sangiragchaa
F
50-59
8:13:55
15:53 /mi
68
 19 Suzanne Ferraro
F
60-69
8:14:39
15:55 /mi
69
 50 Charles Fromm
M
60-69
8:17:57
16:01 /mi
70
 20 Lauren Reagan
F
30-39
8:19:10
16:03 /mi
71
 51 Daniel Thomas
M
40-49
8:20:12
16:05 /mi
72
 52 Steven Oliphant
M
60-69
8:20:26
16:06 /mi
73
 21 Cinnamon Prior
F
50-59
8:22:05
16:09 /mi
74
 22 Kristen Klink
F
40-49
8:22:06
16:09 /mi
75
 23 Jackie Russell
F
30-39
8:22:15
16:09 /mi
76
 53 David Denison
M
60-69
8:23:27
16:12 /mi
77
 24 Nina Choy-Rohmiller
F
40-49
8:27:49
16:20 /mi
78
 54 Steve Holland
M
60-69
8:32:06
16:28 /mi
79
 25 Erica Teicheira
F
50-59
8:33:03
16:30 /mi
80
 55 Paul Barnes
M
40-49
8:38:01
16:40 /mi
81
 26 Erin Joelsson
F
40-49
8:48:12
17:00 /mi
82
 56 Mike Beckwith
M
50-59
8:51:08
17:05 /mi
83
 27 Heidi Faria
F
40-49
8:51:09
17:05 /mi
84
 57 Alex Stroup
M
40-49
8:51:15
17:05 /mi
85
 58 Tom Kahl
M
50-59
8:54:07
17:11 /mi
86
 59 Keith Pronske
M
60-69
8:55:49
17:14 /mi
87
 60 Joaquin Arredondo
M
30-39
8:59:21
17:21 /mi
88
 28 Marites Antonio
F
50-59
9:04:28
17:31 /mi
89
 61 Justin Brim
M
40-49
9:05:05
17:32 /mi
90
 62 Larry Low
M
50-59
9:07:39
17:37 /mi
91
 63 Marco Denson
M
50-59
9:07:44
17:37 /mi
92
 29 Megatron Silveira
F
30-39
9:11:18
17:44 /mi
93
 64 Peter Brewer
M
50-59
9:12:59
17:47 /mi
94
 65 Felipe Martinez
M
40-49
9:27:33
18:16 /mi
95
 66 Rajani Arepalli
M
50-59
9:30:20
18:21 /mi
96
 67 Peter Forward
M
60-69
9:37:39
18:35 /mi
97
 30 Mindy Nguyen
F
60-69
9:42:24
18:44 /mi
98
 68 Sean Pickett
M
50-59
9:46:34
18:52 /mi
99
 69 Frank Traylor
M
50-59
9:48:30
18:56 /mi
100
 31 Kristina Sosine
F
30-39
9:48:43
18:56 /mi
101
 32 Molly Welker
F
50-59
9:59:25
19:17 /mi
102
 70 Valentin Huerta Jr
M
20-29
9:59:43
19:18 /mi
103
 71 Jarod Jatoft
M
20-29
9:59:43
19:18 /mi
104
 72 Scott Kaufman
M
60-69
9:59:44
19:18 /mi
105
 73 John Jatoft
M
50-59
9:59:44
19:18 /mi
106
 74 Chris Sadejhi
M
20-29
9:59:45
19:18 /mi
107
 33 Britta Ingwersen
F
20-29
10:01:22
19:21 /mi
108
 34 Buyankhand Bolchuluun
F
40-49
10:12:29
19:42 /mi
109
 75 Patrick Cogo
M
20-29
10:26:09
20:09 /mi
110
 35 Barbara Nelson
F
50-59
10:37:26
20:30 /mi

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