Albert Frederick
Born : 1970 Cat. M55 Ultrarunner since 2011 USA
50
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
56,1%
Rank quotient ?This runner's calculation uses 52 eligible race(s): Σ(rank − 1) = 3 636; Σ finishers = 6 481. 3 636 / 6 481 × 100 = 56.10%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed52
Km — ultra races3 520 km
> 100 km5
> 160 km4
> 24h1
> 48h1
Longest race161,9 km

Km per year (ultra races)

631
11 races
2022
494
7 races
2023
400
6 races
2024
2025
2026

Race types (share of distance)

Road12,8%
Trail87,2%

HISTORY

52 race(s)
DateRacePerf.Rk
2024
06.07 80.5km USA17th Leadville Silver Rush 50 Mile Run 12:00:55 h295
10.05 36mi USA4th Cocodona 36 Mile Race 9:16:50 h54
23.03 51.3km USA32nd Crown King Scramble 50K 7:49:37 h141
10.02 99.9km USA11th Black Canyon Trail 100 km Run 16:31:42 h514
20.01 60km USA14th Coldwater Rumble 60K Race 8:08:19 h33
06.01 50km USA14th San Tan Scramble 50K 6:44:39 h36
2023
02.12 50km USA14th McDowell Mountain Frenzy 50 km 6:59:47 h76
02.09 6h USA7th Hotfoot Hamster 6 Hour Run 46.999 km19
19.08 52km USA11th Insomniac Night Trail Run Series - Vertigo 52k 8:47:18 h26
22.07 50km USA3rd Stunner 50km Night Run 7:15:59 h23
20.05 50km USA11th Insomniac Night Trail Run Series - Adrenaline 50k 7:55:42 h26
04.03 100mi USA10th Jackpot Ultra Running Festival 100 Mile Race - US Championship 28:12:07 h23
14.01 52mi USA13th Coldwater Rumble 52 Mile Race 13:49:01 h25
2022
17.12 50km USA13th Cave Creek Thriller 50K Race 6:53:32 h48
03.12 50km USA13th McDowell Mountain Frenzy 50 km 6:39:32 h69
12.11 50km USA13th Pass Mountain 50 km Race 7:13:37 h44
09.07 77km USA15th Leadville Silver Rush 50 Mile Run 11:12:51 h201
11.06 54km USA7th Flagstaff Extreme Big Pine 54K Trail Run 8:06:01 h41
21.05 50km USA10th Insomniac Night Trail Run Series - Adrenaline 50k 7:12:56 h26
07.05 50km USA2nd Pine Trail Run 8:34:29 h14
02.04 100km USA8th Gorge Waterfalls 100k 15:57:15 h157
19.03 50km USA28th Chuckanut 50K 6:24:02 h259
05.02 50km USA10th Bristow Trail Run 5:18:27 h11
22.01 50km USA18th Capitol Peak MegaFatAss 6:26:35 h39
2021
28.12 48h USA37th Across the Years, 48h 161.874 km24
04.12 50km USA12th Frozen Trail Runfest 6:40:53 h27
30.10 159.2km USA19th Javelina Jundred 100 Mile Endurance Run 27:44:53 h202
11.07 50mi USA14th Leadville Silver Rush 50 Mile Run 11:26:34 h209
22.05 50km USA16th Jemez Mountain 50km Trail Run 7:39:21 h35
2020
05.12 50km USA11th Frozen Trail Runfest 6:21:16 h17
31.10 100mi USA18th Javelina Jundred 100 Mile Endurance Run 28:56:18 h148
29.02 50km USA3rd Fragrance Lake 50km Race 6:58:53 h14
18.01 50km USA17th Capitol Peak MegaFatAss 5:47:29 h32
2019
07.12 50km USA10th Frozen Trail Runfest 5:50:45 h15
16.11 50km USA10th Grand Ridge 50 km Trail Run 7:00:41 h26
12.10 100mi USA7th Indiana Trail 100 Mile 27:04:28 h74
07.09 50km USA6th Middle Fork 50k 5:40:20 h9
27.04 50mi USA4th Tillamook Burn Trail Run 50 Mile 12:39:07 h76
16.03 50km USA27th Chuckanut 50K 5:58:37 h166
19.01 50km USA16th Capitol Peak MegaFatAss 5:19:57 h33
2018
08.12 50km USA9th Frozen Trail Runfest 5:53:45 h15
27.10 50mi USA17th ORRC Autumn Leaves 50 Mile Run 8:30:35 h10
23.06 50km USA8th Taylor Mountain 50 km Trail Run 5:40:02 h16
17.03 50km USA26th Chuckanut 50K 5:50:35 h159
03.03 50km USA1st Wallace Falls Trail Run 50km 8:00:00 h11
2017
09.12 50km USA8th Frozen Trail Runfest 6:27:41 h19
24.06 50km USA7th Taylor Mountain 50 km Trail Run 6:38:35 h32
2012
16.06 50mi USA2nd Echo Valley 50 Mile Trail Run 11:16:42 h14
05.05 50km USA2nd Fort Steilacoom Trail Run 50 km 5:22:03 h11
12.04 50km USA3rd Squak Mountain 50 km Trail Run 6:57:35 h19
2011
19.11 50km USA2nd Grand Ridge 50 km Trail Run 6:55:34 h12
08.10 50mi USA30th Le Grizz 50 Mile Ultramarathon 11:07:09 h63