David York
ID 228174
Born : 1970 Cat. M55 Ultrarunner since 2011 USA
42
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
89,0%
Rank quotient ?This runner's calculation uses 42 eligible race(s): Σ(rank − 1) = 6 419; Σ finishers = 7 215. 6 419 / 7 215 × 100 = 88.97%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed42
Km — ultra races3 566 km
> 100 km8
> 160 km5
> 200 km1
> 24h10
> 48h5
Longest race226,0 km
38th Across the Years, 72h — 28/12/2022

Km per year (ultra races)

426
4 races
2022
447
5 races
2023
325
3 races
2024
346
3 races
2025
50
1 race
2026

Race types (share of distance)

Road38,2%
Trail61,8%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km8h40'26100 km18h18'3350 mi12h58'156 h49,46 km12 h64,86 km24 h124,72 km48 h183,63 km

HISTORY

42 race(s)
DateRacePerf.Rk
2026
10.01 50km USA46th Avalon Benefit 50 km Run 10:15:31 h513
2025
28.12 72h USA41st Across the Years, 72h 197.542 km10
25.10 98.3km USA23rd Javelina Jundred 100 km Endurance Run 24:36:02 h319
11.01 50km USA45th Avalon Benefit 50 km Run 10:01:14 h350
2024
28.12 48h USA41th Across the Years, 48h 174.559 km15
26.10 100km USA22nd Javelina Jundred 100 km Endurance Run 24:17:45 h284
06.01 50km USA44th Avalon Benefit 50 km Run 10:09:30 h450
2023
28.12 48h USA39th Across the Years, 48h 183.627 km10
28.10 98.3km USA21st Javelina Jundred 100 km Endurance Run 22:40:49 h272
16.09 50km USA15th Noble Canyon 50k 9:57:25 h227
13.08 12h USA2nd South Bay 24 Night Run 64.856 km4
07.01 50km USA43th Avalon Benefit 50 km Run 11:00:22 h380
2022
28.12 72h USA38th Across the Years, 72h 225.950 km27
29.10 100km USA20th Javelina Jundred 100 km Endurance Run 19:13:25 h154
17.09 50km USA14th Noble Canyon 50k 9:03:54 h237
08.01 50km USA42th Avalon Benefit 50 km Run 9:52:05 h293
2020
31.10 100km USA18th Javelina Jundred 100 km Endurance Run 21:39:11 h74
06.03 12h USA5th San Diego Pirate's Cove 12 Hour Run 48.280 km25
11.01 50km USA40th Avalon Benefit 50 km Run 10:41:08 h285
2019
28.12 48h USA35th Across the Years, 48h 170.308 km17
26.10 100km USA17th Javelina Jundred 100 km Endurance Run 21:19:30 h200
21.09 50km USA13th Noble Canyon 50k 9:20:17 h208
17.08 24h USA5th Julian Station Full Moon 24 Hour Run 65.854 km8
01.03 24h USA4th San Diego Pirate's Cove 24 Hour Run 61.155 km26
12.01 50mi USA39th Avalon Benefit 50 Mile Run 13:15:15 h225
2018
27.10 100km USA16th Javelina Jundred 100 km Endurance Run 21:11:06 h174
06.10 100km USA7th Cuyamaca 100 km Endurance Run 18:18:33 h184
22.09 50km USA12th Noble Canyon 50k 9:17:32 h213
25.08 24h USA4th Julian Station Full Moon 24 Hour Run 124.724 km5
30.06 50km USA2nd Black Mountain 50K 9:01:00 h99
28.04 55km USA12th Lost Boys 55 km Trail Run 11:02:21 h18
02.03 12h USA3rd San Diego Pirate's Cove 12 Hour Run 64.373 km7
20.01 50mi USA38th Avalon Benefit 50-Mile Run 13:06:52 h155
2017
23.09 50km USA11th Noble Canyon 50k 8:40:26 h180
05.08 24h USA3rd Julian Station Full Moon 24 Hour Run 103.770 km8
03.03 24h USA2nd San Diego Pirate's Cove 24 Hour Run 100.133 km12
07.01 50mi USA37th Avalon Benefit 50-Mile Run 13:32:33 h202
2016
17.09 50km USA10th Noble Canyon 50k 8:54:32 h185
04.03 12h USA1st San Diego Pirate's Cove 12 Hour Run 57.936 km14
09.01 50mi USA36th Avalon Benefit 50-Mile Run 12:58:15 h193
2015
19.09 50km USA9th Noble Canyon 50k 9:22:00 h194
2011
03.09 6h USA6th Badgerland F/X 6 Hour Run (day) 49.459 km5