Yen Nguyen
ID 15051
Born : 1962 Cat. W60 Ultrarunner since 1997 USA
136
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
140
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
7
Countries visited ?CANCanadaFRAFranceGERGermanyHUNHungaryITAItalyMGLMongoliaUSAUnited States
74,8%
Rank quotient ?This runner's calculation uses 245 eligible race(s): Σ(rank − 1) = 14 108; Σ finishers = 18 850. 14 108 / 18 850 × 100 = 74.84%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed245
Km — ultra races30 741 km
> 100 km148
> 160 km132
> 200 km9
> 24h68
> 48h53
Longest race434,2 km
XV. EMU 6-Day Race (HUN) — 3/9/2026

Km per year (ultra races)

1 711
13 races
2022
1 431
9 races
2023
1 916
11 races
2024
2 641
14 races
2025
1 724
8 races
2026

Race types (share of distance)

Road48,6%
Trail49,4%
?2,0%

Wins & podiums (ultra)

🏆 Win1
🏆 Win F17
🏅 Top 310
🏅 Top 3 F49
Longest winning streak1
Current streak0

Records

50 km5h22'28100 km13h52'2950 mi6h10'00100 mi24h04'5112 h87,85 km24 h149,91 km48 h177,81 km6 d434,20 km

HISTORY

246 race(s) · 6 split(s) nested
DateRacePerf.Rk
2026
03.09 6d road race HUNXV. EMU 6-Day Race 434.203 km79
18.06 72h USA9th Six Days in the Dome - The Redux 72h 212.858 km5
15.05 48h USA18th 3 Days at the Fair 48 Hour Race 167.371 km11
14.05 72h USA18th 3 Days at the Fair 72 Hour Race 168.981 km30
18.04 72h USA2nd Sri Chinmoy 72h Race New York 180.407 km9
09.04 48h USA2nd The Old Six Day 172.991 km9
08.04 72h USA2nd The Old Six Day 209.347 km3 🥉
27.03 48h ITA6^ Cinisello Balsamo Running Festival - GOMU World Championship 48 Hour 177.808 km152
2025
30.12 55h USA13th Snowdrop Ultra 55 Hour Race 185.557 km25
21.11 48h USA7th Fat Ox 48 Hour Run 162.212 km10
14.11 48h USA2nd Bulldog 48-Hour Ultra 169.608 km7
23.10 72h USA10th Endless Mile - 72 Hour Race 241.892 km9
11.10 48h USA6th Hainesport Hundred 48 Hour Endurance Run Summer 100.503 km26
02.10 72h USA12th NJ One Day 72 Hour Race 241.401 km6
28.08 92h USA11th A Race for the Ages 165.762 km50
19.06 72h USA8th Six Days in the Dome - The Redux 72h 261.195 km3 🥉
16.05 48h USA17th 3 Days at the Fair 48 Hour Race 104.607 km40
15.05 72h USA17th 3 Days at the Fair 72 Hour Race 165.762 km22
28.04 6d FRAXIXè GOMU World Championship - 6 jours de France Gérard Cain - Course 311.086 km104
19.04 72h USA1st Sri Chinmoy 72h Race New York 177.027 km11
09.04 72h USA1st The Old Six Day 193.367 km5
15.02 100mi USA12th Jackpot Ultra Running Festival 100 Mile Race 41:18:07 h24
2024
22.11 48h USA6th Fat Ox 48 Hour Run 100.189 km26
24.10 72h USA9th Endless Mile - 72 Hour Race 172.549 km21
12.10 48h USA5th Hainesport Hundred 48 Hour Endurance Run Summer 161.127 km13
03.10 72h USA11th NJ One Day 72 Hour Race 201.168 km8
20.09 72h USA1st Mile Madness Endurance Run 72h 53.510 km10
29.08 100h USA1st Front Range Ultra Dayze 100h 160.934 km9
07.06 48h USA13th Merrill's Mile 48 Hour Run 161.748 km24
13.05 6d USA16th 3 Days at the Fair 6 Days Race 421.648 km18
19.04 48h USA2nd Earth Day Buckle Mania 48h 161.343 km9
22.03 100mi USA9th RUN4Kids 100 Mile Race 40:02:23 h16
16.02 100mi USA11th Jackpot Ultra Running Festival 100 Mile Race - short course 35:45:39 h16
2023
28.12 48h USA39th Across the Years, 48h 160.956 km23
17.11 48h USA5th Fat Ox 48 Hour Run 162.180 km9
26.10 72h USA8th Endless Mile - 72 Hour Race 161.209 km21
07.10 48h USA4th Hainesport Hundred 48 Hour Endurance Run Summer 161.159 km17
28.09 48h USA10th NJ One Day 48 Hour Race 160.934 km9
16.06 48h USA6th Six Days in the Dome - The Redux 48h 140.131 km17
12.05 48h USA15th 3 Days at the Fair 48 Hour Race 162.543 km17
21.04 48h USA1st Earth Day Buckle Mania 48h 161.343 km16
04.03 100mi USA10th Jackpot Ultra Running Festival 100 Mile Race - US Championship 34:17:55 h31
2022
28.12 48h USA38th Across the Years, 48h 161.874 km23
02.12 48h USA4th Fat Ox 48 Hour Run 162.221 km18
05.11 24h USA14th 24H The Hard Way 105.235 km2 🥈
21.10 48h USA7th Endless Mile - 48 Hour Race 161.261 km23
06.10 48h USA9th NJ One Day 48 Hour Race 160.934 km8
03.09 48h USA1st GOMU 48 Hour World Championships 161.130 km27
20.08 100mi USA17th Lean Horse Ultra-Marathon 100 Mile 31:40:19 h52
13.08 50mi USA13th Beast of Burden Summer 50 Miler 18:32:33 h42
09.07 24h USA1st SF Half Day 24h 102.515 km13
13.05 48h USA14th 3 Days at the Fair 48 Hour Race 162.543 km24
19.03 50km USA8th The Pistol 50 km Ultra Run 9:47:32 h124
19.03 50mi USA8th The Pistol 50 Mile Ultra Run 18:18:08 h38
20.02 100mi USA9th Jackpot Ultra Running Festival 100 Mile Race - US Championship 32:53:40 h44
2021
28.12 48h USA37th Across the Years, 48h 55.644 km68
04.12 50mi USA8th Brazos Bend 100 - 50 Mile 16:36:07 h141
13.11 50mi USA8th Tunnel Hill 50 Mile Race 18:09:19 h361
29.10 48h USA2nd Gemini 100 Ultras - 48 Hour 161.014 km4
22.10 48h USA6th Endless Mile - 48 Hour Race 162.543 km21
25.09 50km USA1st Paris Pair 50km 8:43:51 h43
14.08 32h USA8th Hamster Endurance Runs 32 Hour Run 163.187 km9
14.08 100mi USA16th Lean Horse Ultra-Marathon 100 Mile 26:24:19 h31
29.05 60h USA1st Walk1FAST 2nd Anniversary Edition 160.934 km2 🥈
23.04 100mi USA8th Jackpot Ultra Running Festival 100 Mile Race - US Championship 31:38:06 h26
27.03 50mi USA26th Umstead Endurance Run 50 Miles 15:24:19 h66
2020
14.02 100mi USA7th Jackpot Ultra Running Festival 100 Mile Race - US Championship 28:30:02 h21
04.01 100mi USA35th Across The Years, 100mi 29:41:56 h9
2019
28.12 48h USA35th Across the Years, 48h 163.563 km26
21.09 32h USA6th Hamster Endurance Runs 32 Hour Run 163.187 km9
17.08 100mi USA9th Run-de-Vous 100 Mile Endurance Run 28:34:14 h5
10.08 24h MGL15th Sri Chinmoy 24 Hour Race Mongolia 50.000 km31
13.07 100mi USA3rd Canal Corridor 100 Mile Endurance Run 29:05:09 h45
17.05 48h USA11th 3 Days at the Fair 48 Hour Race 165.762 km23
06.04 50mi USA25th Umstead Endurance Run 50 Miles 14:00:58 h76
16.03 100mi USA7th The Pistol 100 Mile Ultra Run 28:52:14 h56
16.02 100mi USA6th Jackpot Ultra Running Festival 100 Mile Race 27:55:55 h29
2018
30.12 48h USA34th Across the Years, 48h 162.191 km43
19.10 48h USA3rd Endless Mile - 48 Hour Race 161.261 km17
04.08 100mi USA9th Beast of Burden Summer 100 Miler 29:09:53 h20
08.04 50mi USA24th Umstead Endurance Run 50 Miles 14:20:30 h94
17.03 100mi USA6th The Pistol 100 Mile Ultra Run 28:22:45 h34
17.02 100mi USA5th Jackpot Ultra Running Festival 100 Mile Race 27:41:59 h19
2017
30.12 48h USA33rd Across the Years, 48h 162.192 km37
18.08 100mi USA13th Lean Horse Ultra-Marathon 100 Mile 28:50:47 h44
08.07 100mi USA1st Canal Corridor 100 Mile Endurance Run 27:49:04 h39
22.04 100mi USA5th Razorback 100 Mile Endurance Race 26:10:55 h3 🥉
01.04 100mi USA23rd Umstead Endurance Run 100 Miles 29:23:40 h137
2016
27.08 100mi USA12th Lean Horse Ultra-Marathon 100 Mile 31:05:00 h44
13.02 100mi USA3rd Jackpot Ultra Running Festival 100 Mile Race 28:36:06 h28
02.01 110km USA4th The Pistol 110 km Ultra Run 18:28:08 h39
2015
22.08 100mi USA11th Lean Horse Ultra-Marathon 100 Mile 28:44:44 h30
02.05 40mi USA37th Strolling Jim 40 Mile 9:51:03 h115
28.03 50mi USA21st Umstead Endurance Run 50 Miles 13:01:15 h76
14.02 100mi USA2nd Jackpot Ultra Running Festival 100 Mile Race 28:32:19 h48
2014
11.10 100mi USA15th Heartland 100 Mile Race 29:07:15 h33
23.08 100mi USA10th Lean Horse Ultra-Marathon 100 Mile 29:04:41 h29
15.02 100mi USA1st Jackpot Ultra Running Festival 100 Mile Race 27:12:32 h38
2013
12.10 100mi USA14th Heartland 100 Mile Race 28:28:56 h60
24.08 100mi USA9th Lean Horse Ultra-Marathon 100 Mile 27:39:27 h31
06.04 100mi USA19th Umstead Endurance Run 100 Miles 27:38:35 h128
2012
29.12 50km USA1st Houston Half Hundred 50 km Ultra 15:20:31 h3 🥉
17.11 24h USA12th Ultracentric 24 Hour Run 135.345 km15
15.09 100km USA1st Pennsylvania 100 15:09:00 h1 🏆
25.08 100mi USA8th Lean Horse Ultra-Marathon 100 Mile 27:12:29 h51
14.07 50km USA6th El Scorcho 50k 6:55:36 h112
23.06 50mi USA6th Running With The Devil 50 Mile Race 13:10:20 h23
05.05 40mi USA34th Strolling Jim 40 Mile 9:12:40 h74
07.04 100mi USA4th Philadelphia 100 Endurance Run 25:28:00 h7
31.03 100mi USA18th Umstead Endurance Run 100 Miles 28:30:22 h125
2011
19.11 24h USA11th Ultracentric 24 Hour Run 142.394 km2 🥈
20.08 50km USA1st Run-de-Vous 50 km Endurance Run 6:42:54 h9
04.06 12h USA22nd FANS 12 Hour Run 65.017 km25
07.05 40mi USA33rd Strolling Jim 40 Mile 8:20:35 h87
23.04 50km USA1st Skagit Valley Ultra 5:30:53 h4
09.04 50mi USA3rd Labor of Love 50 Mile Race 12:14:29 h31
02.04 100mi USA17th Umstead Endurance Run 100 Miles 27:23:57 h102
12.02 12h USA1st A Stroll in The Park 12-Hour Endurance Run 87.854 km8
2010
20.11 24h USA10th Ultracentric 24 Hour Run 135.587 km5
06.11 100mi USA3rd Mother Road 100 Mile 26:44:09 h72
16.10 24h USA4th Boulder 24 Hours 103.416 km6
09.10 100mi USA11th Heartland 100 Mile Race 29:09:36 h52
28.08 100mi USA6th Lean Horse Ultra-Marathon 100 Mile 28:14:00 h71
05.06 24h USA21st FANS 24 Hour Runs 140.801 km23
15.05 100mi USA3rd Keys100 Ultra-Marathons 100mi 28:26:30 h19
10.04 50mi USA2nd Labor of Love 50 Mile Race 12:52:59 h18
02.04 100mi USA2nd Philadelphia 100 Endurance Run 25:58:18 h9
27.03 50mi USA16th Umstead Endurance Run 50 Miles 12:30:17 h70
2009
21.11 24h USA9th Ultracentric 24 Hour Run 149.905 km5
17.10 100mi USA3rd Boulder 100 Mile 27:46:00 h18
22.08 100mi USA5th Lean Horse Ultra-Marathon 100 Mile 28:27:06 h64
06.06 24h USA20th FANS 24 Hour Runs 88.401 km59
16.05 100mi USA2nd Keys100 Ultra-Marathons 100mi 27:11:52 h18
04.04 100mi USA15th Umstead Endurance Run 100 Miles 27:15:16 h97
07.03 50km USA7th Prickly Pear 50 km Trail Run 7:58:37 h69
14.02 118mi USA3rd LOST 118 Mile Endurance Run 30:37:40 h9
07.02 50mi USA17th Rocky Raccoon 50 Mile Trail Run 14:03:47 h144
10.01 50km USA9th Bandera 50 km Ultratrail 9:36:35 h114
2008
15.11 100km USA6th Javelina Jundred 100 km Endurance Run 19:19:06 h53
08.11 100mi USA2nd Mother Road 100 Mile 26:13:36 h54
11.10 100mi USA9th Heartland 100 Mile Race 27:23:32 h35
23.08 100mi USA4th Lean Horse Ultra-Marathon 100 Mile 25:21:10 h38
17.05 100mi USA1st Keys100 Ultra-Marathons 100mi 26:32:53 h3 🥉
03.05 40mi USA30th Strolling Jim 40 Mile 9:00:00 h64
26.04 51km GER29. Harzquerung Wernigerode-Nordhausen 7:01:26 h306
19.04 50km USA8th Hells Hills 50km Race 9:02:43 h60
02.02 100mi USA16th Rocky Raccoon 100 Mile Trail Run 29:11:27 h159
12.01 50mi USA28th Avalon Benefit 50-Mile Run 11:49:40 h129
05.01 50km USA8th Bandera 50 km Ultratrail 9:13:33 h74
2007
08.12 50km USA18th Sunmart Texas Trails 50 km 8:17:33 h424
28.10 100km USA5th Javelina Jundred 100 km Endurance Run 18:58:24 h35
13.10 100mi USA8th Heartland 100 Mile Race 27:18:53 h32
29.09 100mi USA2nd The Delaware 100 Mile Endurance Run 29:33:00 h8
25.08 100mi USA3rd Lean Horse Ultra-Marathon 100 Mile 26:54:00 h42
31.03 100mi USA13th Umstead Endurance Run 100 Miles 26:30:46 h59
03.03 50km USA2nd Doogies Run 50 km 9:03:21 h10
21.02 118mi USA1st LOST 118 Mile Endurance Run 31:29:33 h5
03.02 100mi USA15th Rocky Raccoon 100 Mile Trail Run 29:31:03 h163
13.01 50km USA7th Bandera 50 km Ultratrail 10:05:20 h104
2006
10.11 100mi USA1st Mother Road 100 Mile 26:00:56 h59
14.10 100mi USA7th Heartland 100 Mile Race 27:31:29 h39
07.10 50km USA3rd Telegraph Trail 50K 8:30:33 h82
26.08 100mi USA2nd Lean Horse Ultra-Marathon 100 Mile 28:51:43 h45
29.07 50km USA2nd HURL Elkhorn 50 km Endurance Run 9:58:25 h25
15.04 30mi USA6th McNaughton 30 Mile Ultra Race 8:13:47 h73
25.02 100km USA5th Houston Ultra Event Weekend 100km 15:44:41 h6
15.01 38.5mi USA1st The Ghost Town 38.5 9:23:25 h26
08.01 50km USA6th Bandera 50 km Ultratrail 9:05:04 h79
2005
03.12 50km USA16th Sunmart Texas Trails 50 km 7:01:41 h373
19.11 50km USA2nd Dizzy Fifties - 50 km Trail Run 8:19:41 h71
29.10 50km USA1st Goblin Valley Ultra 50k 7:13:47 h76
23.10 50km USA12th Blue Springs 50km Run 6:30:13 h16
15.10 100mi USA3rd Javelina Jundred 100 Mile Endurance Run 29:52:40 h44
17.09 50km USA3rd Great Eastern Endurance Run 50 km 10:17:29 h87
10.09 100mi USA15th Olander Park 24 Hour Run - 100mi Split 25:57:48 h30
27.08 50mi USA1st Lean Horse Ultra-Marathon 50 Mile 11:51:20 h26
06.08 8h USA4th Hot to Trot 8 Hours Run 53.108 km15
21.05 72.7km GER33. GutsMuths-Rennsteiglauf 9:56:39 h1385
02.04 100mi USA11th Umstead Endurance Run 100 Miles 26:50:35 h59
26.02 100km USA4th Houston Ultra Event Weekend 100km 13:52:29 h3 🥉
05.02 100mi USA13th Rocky Raccoon 100 Mile Trail Run 28:22:43 h83
2004
06.11 100mi USA4th Dan Rossi Memorial Ultra 100 Mile 25:07:25 h9
30.10 100mi USA2nd Javelina Jundred 100 Mile 29:01:15 h58
09.10 100mi USA5th Heartland 100 Mile Race 28:21:08 h20
02.10 100mi USA14th Arkansas Traveller 100 29:37:29 h72
18.09 50mi USA10th Bohemian Alps 50 Miles 12:50:34 h8
24.07 50km USA11th Big Butt 50 km 6:22:52 h27
10.07 50km USA5th Midnight Mountain 50K 10:45:54 h38
29.05 100mi GER4. German 100 Mile Trail Run 30:34:24 h11
03.04 100mi USA10th Umstead Endurance Run 100 Miles 28:02:10 h86
28.02 24h USA3rd Houston Ultra Event Weekend 24h 116.339 km7
07.02 50mi USA12th Rocky Raccoon 50 Mile Trail Run 11:49:09 h39
2003
08.11 100mi USA1st Javelina Jundred 100 Mile 26:53:35 h38
01.11 50km USA4th Chicago Lakefront Fall 50km Race 5:52:50 h85
11.10 100mi USA4th Heartland 100 Mile Race 24:53:29 h12
05.04 50mi USA9th Umstead Endurance Run 50 Miles 11:39:40 h46
01.03 12h USA2nd Houston Ultra Event Weekend 12h 87.259 km4
18.01 100km USA3rd HURT 100 Endurance Run 100 km 26:21:00 h28
2002
07.12 50mi USA13th Sunmart Texas Trails 50 Mile 12:13:05 h215
23.11 50mi USA40th JFK 50 Mile 12:04:36 h695
02.11 100mi USA2nd Dan Rossi Memorial Ultra 100 Mile 25:22:28 h6
12.10 100mi USA3rd Heartland 100 Mile Race 28:43:12 h30
04.08 50mi USA7th Resurrection Pass 50 Mile Ultra Trail Race 13:19:50 h17
29.06 24h USA13th FANS 24 Hour Runs 137.180 km18
04.05 100km GER2. German 100 km Trail Run 22:41:00 h10
06.04 100mi USA8th Umstead Endurance Run 100 Miles 28:20:02 h69
02.03 24h USA1st Houston Ultra Event Weekend 24h 116.339 km6
02.02 100mi USA10th Rocky Raccoon 100 Mile Trail Run 28:54:42 h89
2001
29.12 50km USA25th Harold Tucker 50K Beach Run 7:22:29 h15
01.12 50mi USA9th Kentucky Arches 50 Mile 12:14:47 h62
05.11 100mi USA1st Dan Rossi Memorial Ultra 100 Mile 26:14:46 h5
13.10 100mi USA2nd Heartland 100 Mile Race 25:18:10 h9
15.09 100mi USA2nd Rio Del Lago 100 Mile 29:29:47 h26
02.09 50km USA7th Run On The Sly 50 km 7:36:39 h69
21.07 100mi USA13th Vermont 100 Mile Endurance Race 24:04:51 h92
14.07 50km USA7th Rattlesnake Trail 50K Ultrarun 7:11:43 h106
09.06 50km USA4th Best Run By A Dam Site 7:41:17 h37
19.05 50km USA16th Silver State 50 km 11:33:00 h67
12.05 50km USA18th Quicksilver 50 km Endurance Run 7:54:19 h71
28.04 50km USA3rd Lake McMurtry 50 km Trail Race 7:46:31 h19
07.04 100mi USA7th Umstead Endurance Run 100 Miles 29:11:33 h35
10.03 50km USA12th Way Too Cool 50K Endurance Run 7:35:06 h461
10.02 50km USA7th East Texas Ultra Runners 50K 7:20:22 h43
2000
19.11 50km USA6th The Breakers Marathon - Nifty Fifty Kilometers 5:59:56 h21
11.11 50mi USA6th Just Another Mad Dog 50 Mile 6:10:00 h12
14.10 50km USA9th Maine Track Club Ultra 50 km 6:15:00 h7
09.09 50km USA16th Groundhog Fall 50K 7:48:52 h40
15.07 100mi USA12th Vermont 100 Mile Endurance Race 29:40:12 h156
27.05 50km CAN8th Sulphur Springs Trail Run 50km 7:01:17 h56
08.04 100mi USA6th Umstead Endurance Run 100 Miles 27:22:38 h36
01.04 50km USA1st Chicago Lakefront Spring 50km Race 5:22:28 h66
05.03 50km USAKnight Trail 50 km 5:58:59 h28
04.03 50km USA20th Carl Touchstone Memorial Mississippi Trail 50 km 5:44:54 h33
12.02 50km USA6th East Texas Ultra Runners 50K 6:27:58 h28
02.01 50km USA23rd Harold Tucker 50K Beach Run 6:20:57 h5
1999
04.12 50mi USA7th Kentucky Arches 50 Mile 10:53:39 h40
06.11 50km USA7th OPSF Ultra 50 km Race 6:12:50 h17
23.01 50km USADallas Five-0 50 km Race 5:26:57 h20
02.01 28mi USA1st Bandera Trail 28 Miler 7:05:24 h16
1998
19.12 50km USA1st Snowflake 50K Trail Run 7:01:40 h22
21.11 50mi USA36th JFK 50 Mile 11:15:42 h563
20.09 50km USA1st Pisgah Mountain Trail Race 8:30:57 h66
05.09 50km USA7th Bulldog 50k Ultra Run 8:03:01 h72
08.02 100mi USA6th Rocky Raccoon 100 Mile Trail Run 28:00:41 h70
1997
13.12 50mi USA8th Sunmart Texas Trails 50 Mile 10:38:43 h223
Unknown date
— 100mi USA13th Jackpot Ultra Running Festival 100 Mile Race 37:07:24 h50