Events
Race Directors

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

January 30th 2027
Malibu, CA
Website
Registration
Results
50 KM | 50 Miles | 100 KM
More events by Keira Henninger Races
Submit a correction

2026 Sean O'Brien 100k/50M/50k Race Results (100 KM )

100 KM 50 Miles 50 KM
Overall
Place		 Division
Place
1
 1 Dmitri Journist
M
30-39
11:04:32
10:41 /mi
2
 2 Dan Friedman
M
30-39
11:26:08
11:02 /mi
3
 3 Chris Ellefson
M
30-39
11:41:13
11:17 /mi
4
 4 Jameson Henkle
M
40-49
11:59:57
11:35 /mi
5
 1 Charlotte Saunders
F
20-29
12:04:33
11:39 /mi
6
 5 Mike Dufresne
M
20-29
12:18:53
11:53 /mi
7
 2 Marie Vanzandt
F
40-49
12:21:41
11:56 /mi
8
 6 Ruperto Romero
M
60-69
12:22:21
11:56 /mi
9
 7 Christopher Grove
M
30-39
12:23:26
11:57 /mi
10
 3 Jaclyn Foroughi
F
40-49
12:31:43
12:05 /mi
11
 8 Aaron Flynn
M
40-49
12:41:36
12:15 /mi
12
 4 Rebecca Heymann
F
30-39
12:57:13
12:30 /mi
13
 9 Lucci Fekete
M
30-39
12:59:52
12:33 /mi
14
 5 Sarah O'brien
F
30-39
13:00:44
12:33 /mi
15
 10 Armen Kurdian
M
30-39
13:01:39
12:34 /mi
16
 11 Oscar Tellez
M
30-39
13:01:42
12:34 /mi
17
 6 Heidi Rounds
F
40-49
13:07:21
12:40 /mi
18
 12 Hayden Burdge
M
30-39
13:08:25
12:41 /mi
19
 13 Ben Owens
M
30-39
13:11:38
12:44 /mi
20
 14 David Salazar
M
30-39
13:20:40
12:53 /mi
21
 15 Charlie Kline
M
<20
13:20:48
12:53 /mi
22
 16 Antonio Escobar
M
30-39
13:21:29
12:53 /mi
23
 17 Charles Wurzer
M
30-39
13:28:57
13:01 /mi
24
 18 Trent Robinett
M
20-29
13:41:39
13:13 /mi
25
 19 Robert George
M
30-39
13:48:54
13:20 /mi
26
 20 Jimmy Burnett
M
30-39
13:53:08
13:24 /mi
27
 21 Chris Peterson
M
40-49
13:58:35
13:29 /mi
28
 22 Liam Mohan
M
20-29
13:58:50
13:29 /mi
29
 7 Bailey Hall
F
20-29
14:04:45
13:35 /mi
30
 23 Jonathan Funk
M
40-49
14:06:24
13:37 /mi
31
 8 Gwendolyn Ostrosky
F
40-49
14:17:28
13:47 /mi
32
 24 Joseph Luciani-Cervantes
M
30-39
14:17:40
13:48 /mi
33
 9 Kajsa Williams
F
20-29
14:19:40
13:50 /mi
34
 10 Daisy Zepeda
F
30-39
14:20:44
13:51 /mi
35
 25 Jonathan Klaassen
M
40-49
14:23:07
13:53 /mi
36
 26 Jared Trok
M
20-29
14:24:24
13:54 /mi
37
 27 Nicolas Smith
M
30-39
14:31:34
14:01 /mi
38
 28 Kongpan Li
M
30-39
14:31:43
14:01 /mi
39
 11 Ariana Kypuros
F
20-29
14:32:44
14:02 /mi
40
 12 Alexandra Darmon
F
30-39
14:43:07
14:12 /mi
41
 13 Nicolette Del
F
30-39
14:44:36
14:14 /mi
42
 14 Eleanor Sigel
F
20-29
14:45:18
14:14 /mi
43
 15 Audrey Wallingford
F
30-39
14:59:24
14:28 /mi
44
 29 Kristoffer Jonson
M
40-49
15:12:28
14:41 /mi
45
 30 Nathan Tourtellotte
M
40-49
15:12:42
14:41 /mi
46
 31 Tyson Marshall
M
50-59
15:13:32
14:42 /mi
47
 32 Sam Lardy
M
30-39
15:15:58
14:44 /mi
48
 33 Jose Montellano
M
30-39
15:18:24
14:46 /mi
49
 34 Rob Winn
M
40-49
15:20:56
14:49 /mi
50
 35 Keith Seiz
M
40-49
15:21:28
14:49 /mi
51
 36 Aaron Smith
M
20-29
15:25:40
14:53 /mi
52
 37 Anthony Rule
M
30-39
15:26:00
14:54 /mi
53
 38 Davis McAlister
M
20-29
15:32:48
15:00 /mi
54
 39 Jong Geun
M
50-59
15:37:20
15:05 /mi
55
 40 Jason Korbel
M
40-49
15:42:47
15:10 /mi
56
 16 Amanda Mazzenga
F
30-39
15:45:32
15:12 /mi
57
 41 Charles Parks
M
40-49
15:47:18
15:14 /mi
58
 42 Jake Selstad
M
20-29
15:49:53
15:17 /mi
59
 43 Jimmy Tsai
M
40-49
15:53:48
15:20 /mi
60
 44 Sam Barfield
M
30-39
15:55:27
15:22 /mi
61
 45 Warrick Leung
M
50-59
15:55:57
15:23 /mi
62
 17 Cherry Hui
F
40-49
15:57:41
15:24 /mi
63
 46 Connor Guerrero
M
20-29
15:58:03
15:25 /mi
64
 47 Noah Sandoval
M
30-39
16:05:54
15:32 /mi
65
 18 Erica Wells
F
40-49
16:07:18
15:33 /mi
66
 48 Javier Song
M
40-49
16:10:14
15:36 /mi
67
 49 Kevin Delavega
M
30-39
16:17:06
15:43 /mi
68
 50 Alex Um
M
40-49
16:21:16
15:47 /mi
69
 51 Anthony Aiesi
M
20-29
16:21:22
15:47 /mi
70
 52 Tony Zhang
M
30-39
16:25:27
15:51 /mi
71
 53 Luke Voneschen
M
30-39
16:25:29
15:51 /mi
72
 54 Johan Kvasnicka
M
30-39
16:25:31
15:51 /mi
73
 55 Devon Bermudez
M
20-29
16:34:56
16:00 /mi
74
 56 Alex Lin
M
40-49
16:39:47
16:05 /mi
75
 57 Alex Derbyshire
M
20-29
16:39:50
16:05 /mi
76
 58 FABIO CLAVIJO
M
40-49
16:40:23
16:05 /mi
77
 59 Scott Hungate
M
50-59
16:40:42
16:06 /mi
78
 60 Harrison Fritz
M
30-39
16:42:16
16:07 /mi
79
 61 Sumit Jain
M
30-39
16:43:50
16:09 /mi
80
 62 Alec Petros
M
20-29
16:44:47
16:10 /mi
81
 63 Drew Almodovar
M
30-39
16:45:38
16:11 /mi
82
 64 Jake Taylor
M
40-49
16:50:25
16:15 /mi
83
 19 Jane Kim
F
50-59
16:56:33
16:21 /mi
84
 65 Andy Ferrer
M
30-39
16:59:54
16:24 /mi

Weekly Newsletter

A roundup of the week's content and most recent race results. Sent once a week on Thursday.

Recent Results

Run Comfy Numb Trail Race
Whistler, BC - 68 finishers
50 KM
Connor's Claims Ultra
Stockton, UT - 24 finishers
50 Miles | 50 KM
The Midwest Ultra Track Classic
Warrensburg, MO - 19 finishers
24 Hours | 12 Hours | 6 Hours
Yankee Springs Trail Run
Middleville, MI - 60 finishers
100 KM | 50 KM
Salt Lake Foothills Trail Races
Salt Lake City, UT - 84 finishers
50 Miles | 50 KM
Kettlefoot
Mountain City, TN - 28 finishers
50 KM
Run The Rim
Arnold, CA - 21 finishers
50 KM
More Miles Last One Standing Challenge
Knoxville, MD - 66 finishers
Backyard | Backyard
Rabid Raccoon 100
Beaver Falls, PA - 275 finishers
100 Miles | 100 KM
Sooke Hills 50k/25k
Sooke, BC - 66 finishers
50 KM
View All Results