Joseph Kallo
ID 48895
Born : 1974 Cat. M50 Ultrarunner since 2004 USA
37
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
44
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
69,0%
Rank quotient ?This runner's calculation uses 37 eligible race(s): Σ(rank − 1) = 2 869; Σ finishers = 4 156. 2 869 / 4 156 × 100 = 69.03%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed37
Km — ultra races2 492 km
> 100 km3
> 160 km3
Longest race160,9 km
5th Tunnel Hill 100 Mile Race — 10/11/2018

Km per year (ultra races)

50
1 race
2022
50
1 race
2023
80
1 race
2024
98
2 races
2025
198
4 races
2026

Race types (share of distance)

Road17,6%
Trail82,4%

Records

50 km5h19'35100 km17h11'2250 mi11h31'54100 mi26h54'2112 h85,62 km

HISTORY

37 race(s)
DateRacePerf.Rk
2026
09.05 50km USA45th Ice Age Trail 50 km Run 8:41:36 h228
11.04 50km USA12th Ozarks Foothills 50 km Race 9:09:24 h37
28.03 30mi USA20th Clinton Lake Ultra 7:30:53 h31
10.01 50km USA14th Frozen Gnome 50K 8:06:36 h68
2025
25.10 30mi USA1st McNotagain Fall Trail Runs 8:05:25 h17
17.05 31mi USA19th Tie Dye 50k 9:07:00 h74
2024
24.08 50mi USA25th North Country Trail Run 50 Mile 13:43:23 h82
2023
15.04 50km USA9th Ozarks Foothills 50K 9:28:06 h41
2022
21.05 31mi USA16th Tie Dye 50k 9:24:56 h76
2021
30.10 33.5mi USA15th Kal-Haven Trail Run 7:39:30 h65
2019
01.06 50mi USA6th Scout Mountain 50 Miles Ultra Trail 17:37:15 h65
16.02 50km USA13th Black Warrior 50K 6:52:03 h17
2018
10.11 100mi USA5th Tunnel Hill 100 Mile Race 29:00:47 h184
11.08 8h USA28th Howl at the Moon 8 Hour Run 47.652 km167
2017
11.11 50mi USA4th Tunnel Hill 50 Mile Race 12:37:36 h233
09.09 50km USA6th Evergreen Lake 50 km Ultra 9:20:13 h50
08.07 50km USA3rd Cry Me A River 50 km Trail Run 12:28:25 h31
08.04 33.5mi USA11th Kal-Haven Trail Run 7:18:49 h111
2007
27.01 50km USA13th Mountain Mist 50k 6:07:27 h103
2006
02.09 12h USA2nd Flatlanders 12 Hour Run 85.617 km17
03.06 100km USA11th Kettle Moraine 100 km Endurance Run 17:11:22 h54
11.03 50km USA17th Way Too Cool 50K Endurance Run 7:10:13 h310
28.01 50km USA12th Mountain Mist 50k 5:54:02 h88
2005
31.12 50km USA7th HTC Recover From the Holidays 50K 7:27:49 h42
19.11 50km USA2nd Dizzy Fifties - 50 km Trail Run 5:40:30 h24
01.10 100mi USA15th Arkansas Traveller 100 26:54:21 h38
21.05 50mi USA6th Berryman 50 Mile 11:35:36 h33
07.05 40mi USA27th Strolling Jim 40 Mile 6:49:05 h23
29.01 50km USA11th Mountain Mist 50k 6:02:59 h78
2004
20.11 50km USA1st Dizzy Fifties - 50 km Trail Run 5:19:35 h18
02.10 100mi USA14th Arkansas Traveller 100 28:31:24 h60
14.08 8h USA14th Howl at the Moon 8h Run 64.341 km71
24.07 50mi USA23rd Minnesota Voyageur Trail 50 Mile Ultra 11:31:54 h53
15.05 50mi USA5th Berryman 50 Mile 11:45:35 h26
17.04 50km USA6th Double Chubb 50k 6:01:13 h19
13.03 60km USA1st Land Between The Lakes 60 km Trail Run 7:26:30 h25
24.01 50km USA10th Mountain Mist 50k 7:31:33 h247