Laurie Nakauchi
ID 44752
Born : 1969 Cat. W55 Ultrarunner since 1995 USA
55
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
80
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
1
Countries visited ?USAUnited States
56,1%
Rank quotient ?This runner's calculation uses 64 eligible race(s): Σ(rank − 1) = 5 681; Σ finishers = 10 124. 5 681 / 10 124 × 100 = 56.11%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed64
Km — ultra races7 656 km
> 100 km30
> 160 km24
> 200 km3
> 24h13
> 48h3
Longest race383,0 km
3rd Moab 240 Endurance Run — 11/10/2019

Km per year (ultra races)

453
2 races
2022
418
3 races
2023
548
3 races
2024
368
4 races
2025
222
3 races
2026

Race types (share of distance)

Road19,1%
Trail80,9%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F3
🏅 Top 31
🏅 Top 3 F8
Longest winning streak0
Current streak0

Records

50 km5h33'08100 km14h16'5150 mi8h21'56100 mi22h59'1924 h145,30 km48 h176,83 km

HISTORY

64 race(s) · 2 split(s) nested
DateRacePerf.Rk
2026
11.07 50mi USA19th Leadville Silver Rush 50 Mile Run 11:06:20 h257
09.05 50km USA7th Valkyrie Trail Race 50k 7:26:28 h18
13.02 24h USA3rd Running Up For Air - Staunton Rocks 91.410 km8
2025
01.11 24h USA2nd Colorado 24 Hour Run 104.607 km19
12.04 50mi USA32nd Leona Divide 50 Mile Run 14:28:49 h58
22.03 50mi USA3rd Mount Mitchell Heartbreaker 13:29:03 h66
14.02 24h USA2nd Running Up For Air - Staunton Rocks 102.837 km2 🥈
2024
28.12 72h USA41th Across the Years, 72h 274.306 km10
02.11 24h USA1st Colorado 24 Hour Run 99.779 km32
19.04 34h USA1st Capitan Mountain 34 Hour 173.809 km5
2023
28.12 48h USA39th Across the Years, 48h 176.826 km11
18.06 100mi USA31st Bighorn Mountain Wild & Scenic 100 Mile Trail Run 34:19:23 h170
13.05 50mi USA2nd Ram Party 10:41:22 h30
2022
31.12 24h USA38th Across the Years, 24h 128.150 km26
17.06 202mi USA7th Tahoe 200 Mile Endurance Run 3d 20:41:31 h87
2021
28.12 48h USA37th Across the Years, 48h 161.874 km21
11.04 50km USA7th Rattler Trail Race 50K 6:15:56 h21
2020
21.11 50km USA6th Dead Horse 50 km Race 5:33:08 h81
2019
28.12 24h USA35th Across the Years, 24h 145.014 km26
11.10 238mi USA3rd Moab 240 Endurance Run 4d 06:56:15 h58
06.07 50mi USA12th Leadville Silver Rush 50 Mile Run 11:06:20 h255
13.04 50mi USA11th Lake Sonoma 50 Mile Race 11:52:01 h175
19.01 52mi USA9th Coldwater Rumble 52 Mile Race 11:28:37 h17
2018
18.08 100mi USA36th Leadville Trail 100 Mile 29:23:21 h295
28.07 50km USA4th Pikes Peak Ultra 50 km 7:34:42 h35
12.05 50mi USA7th Quad Rock 50 Mile 13:23:23 h127
21.04 24h USA5th 24 Hours of Palmer Lake Fun Run 50.533 km104
2017
27.12 24h USA33rd Across the Years, 24h 145.297 km20
22.07 100km USA3rd Never Summer 100k 21:00:01 h158
13.05 50mi USA6th Quad Rock 50 Mile 13:39:52 h91
2016
06.08 102.5mi USA2nd Silverheels Trail Run - 100mi 33:10:00 h10
07.05 100km USA21st Miwok 100k Trail Race 14:16:51 h192
13.02 100km USA3rd Black Canyon Trail 100 km Run 15:41:17 h105
2015
26.09 106mi USA4th Mogollon Monster 100 Mile 34:41:00 h27
22.08 100mi USA33rd Leadville Trail 100 Mile 29:34:57 h293
14.06 28mi USA1st South Park Trail Marathon 5:23:00 h28
30.05 50km USA7th Golden Gate Dirty 30 7:36:43 h190
18.04 50km USA12th Desert Rats Trail Running Festival 50 km 7:21:10 h29
2014
01.11 55km USA1st Indian Creek Fifties - 55 km 8:13:00 h59
16.08 100mi USA32nd Leadville Trail 100 Mile 28:55:08 h220
31.05 50km USA6th Golden Gate Dirty 30 7:48:16 h135
2013
17.08 100mi USA31st Leadville Trail 100 Mile 28:40:37 h329
29.06 50mi USA4th North Fork 50 Mile Trail Race 11:08:34 h38
2012
18.08 100mi USA30th Leadville Trail 100 Mile 28:39:06 h212
2011
20.08 100mi USA29th Leadville Trail 100 Mile 29:03:07 h260
07.05 50mi USA12th Collegiate Peaks 50 Miles 10:52:54 h65
19.02 55km USA5th Moab Red Hot 55k 7:05:50 h136
2010
21.08 100mi USA28th Leadville Trail 100 Mile 24:58:03 h98
2008
17.10 24h USA2nd Boulder 24 Hours 126.397 km9
16.08 100mi USA26th Leadville Trail 100 Mile 29:16:08 h138
2007
03.02 100mi USA15th Rocky Raccoon 100 Mile Trail Run 22:59:19 h52
2006
06.05 50mi USA7th Collegiate Peaks 50 Miles 9:53:27 h28
2005
17.06 100mi USA14th Bighorn Mountain Wild & Scenic 100mi Trail Run 32:34:50 h37
07.05 50mi USA6th Collegiate Peaks 50 Miles 9:52:30 h38
2004
04.12 50mi USA15th Sunmart Texas Trails 50 Mile 8:21:56 h30
2003
16.08 100mi USA21st Leadville Trail 100 Mile 29:08:18 h160
2002
04.05 50mi USA4th Collegiate Peaks 50 Miles 10:23:29 h41
2001
18.08 100mi USA19th Leadville Trail 100 Mile 26:38:19 h54
2000
14.10 50mi USAMile High Trail Challenge 50 Miles 8:31:37 h4
1999
21.08 100mi USA17th Leadville Trail 100 Mile 29:42:35 h184
1998
14.02 100mi USA1st Susitna 100 Mile 34:32:00 h18
1997
13.12 50mi USA8th Sunmart Texas Trails 50 Mile 8:49:44 h111
26.07 50mi USA1st Mount Rushmore Trail 50 Mile Run 14:59:00 h11
1995
21.08 100mi USA13th Leadville Trail 100 Mile 29:42:59 h121