Kai Huang
Born : 1968 Cat. M55 Ultrarunner since 2008 USA
31
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
63,7%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 2 720; Σ finishers = 4 273. 2 720 / 4 273 × 100 = 63.66%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed31
Km — ultra races2 241 km
> 100 km2
> 160 km1
> 24h2
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road17,8%
Trail82,2%

HISTORY

31 race(s)
DateRacePerf.Rk
2017
31.12 6h USA8th New Years One Day 6 Hour Run 47.990 km21
2013
24.02 50mi USA1st San Bruno Mountain 50 Mile Ultramarathon 12:15:48 h23
02.02 50km USA1st Fort Ord 50K Trail Run 5:54:02 h24
2012
20.05 50km USA25th Ohlone 50K Wilderness Run 7:07:49 h77
05.05 100km USA17th Miwok 100k Trail race 15:09:17 h171
21.04 100km USA26th Ruth Anderson Ultra 100km 11:58:22 h7
2011
31.12 24h USA2nd New Years One Day 24 Hour Run 58.055 km37
03.12 50mi USA5th Endurance Challenge - California Trail 50 Mile 11:30:22 h211
10.09 100mi USA11th Rio Del Lago 100 Mile 30:53:56 h29
14.08 50km USA10th Stevens Creek Striders 50K 7:07:33 h29
09.07 12h USA2nd Dirty Dozen 12h Endurance Run 90.927 km9
07.05 100km USA16th Miwok 100k Trail race 13:45:39 h190
23.04 50km USA25th Ruth Anderson Ultra 50km 4:56:34 h13
16.04 50mi USAMokelumne River 50 Mile Trail Run 12:04:43 h19
2010
31.12 24h USA1st New Years One Day 24 Hour Run 143.431 km8
04.12 50mi USA4th Endurance Challenge - California Trail 50 Mile 12:56:56 h198
18.09 50km USA7th Redwood Park 50K Trail Run 6:18:53 h30
15.08 50km USA9th Stevens Creek Striders 50K 7:03:50 h32
03.07 50km USA7th Pacifica 50 km Trail Run - Summer Edition 7:09:14 h25
05.06 50km USA10th Mount Diablo 50K 8:14:20 h40
23.05 50km USA9th Big Basin Redwoods Trail Run 6:59:44 h15
01.05 100km USA15th Miwok 100k Trail race 15:16:56 h237
10.04 50mi USA31st American River 50 Mile Endurance Run 10:00:09 h268
2009
28.11 28mi USA25th Quad Dipsea Trail Run 6:44:07 h115
10.10 50mi USA27th Dick Collins Firetrails 50 Mile 10:45:45 h154
08.08 50mi USA3rd Headlands Hundred 50 Mile Endurance Run 11:14:03 h43
31.05 50km USA22nd Ohlone 50K Wilderness Run 7:33:23 h95
04.04 50mi USA30th American River 50 Mile Endurance Run 11:44:21 h427
2008
06.12 50km USA2nd Endurance Challenge - California Trail 50 km 7:43:40 h78
23.08 31.5mi USA11th Tamalpa Headlands 50K 6:52:18 h44
03.08 50km USA27th Skyline 50k Endurance Run 6:13:08 h82