Michael Siltman
ID 15073
Born : 1969 Cat. M55 Ultrarunner since 2005 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
70
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
71,7%
Rank quotient ?This runner's calculation uses 65 eligible race(s): Σ(rank − 1) = 5 085; Σ finishers = 7 095. 5 085 / 7 095 × 100 = 71.67%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed65
Km — ultra races6 888 km
> 100 km25
> 160 km25
> 200 km2
> 24h2
> 48h1
Longest race321,9 km
2nd Peak Ultra 200 Mile Endurance Run — 6/5/2010

Km per year (ultra races)

2022
2023
2024
48
1 race
2025
523
6 races
2026

Race types (share of distance)

Road8,2%
Trail91,8%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km5h55'25100 km17h32'2050 mi10h05'33100 mi23h39'4424 h51,69 km48 h188,10 km

HISTORY

65 race(s)
DateRacePerf.Rk
2026
22.08 100km USA10th Shawnee Hills 100 - 100 km 21:57:33 h23
01.08 100mi USA8th Badger Trail Races by Ten Junk Miles Racing 28:49:03 h85
10.07 50mi USA11th Cry Me A River 50 Mile Trail Run 16:33:22 h15
23.05 50mi USA6th Sugar Badger 50 Mile Race 12:30:22 h81
02.05 32Miles USA5th LOZ Traverse 10:17:22 h23
11.04 50km USA12th Ozarks Foothills 50 km Race 9:41:34 h44
2025
25.10 30mi USA1st McNotagain Fall Trail Runs 9:24:04 h19
2019
04.08 50km USA1st Badger Trail Races 50K 9:44:17 h81
2018
07.07 50km USA4th Cry Me A River 50 km Trail Run 13:57:33 h53
2015
12.09 50mi USA1st The Hennepin Hundred - 50 Mile Run 14:35:48 h62
2014
18.07 24h USA1st Christmas in July 24 Hour Run 51.692 km45
29.03 30mi USA8th Clinton Lake Ultra 7:43:03 h93
2013
12.10 30mi USA8th Farmdale Trail Run 30 Mile 7:48:20 h42
23.03 30mi USA7th Clinton Lake Ultra 7:13:23 h56
2012
31.03 30mi USA6th Clinton Lake Ultra 6:33:50 h63
2011
26.03 30mi USA5th Clinton Lake Ultra 6:57:57 h67
12.03 60km USA8th Land Between The Lakes 60 km Trail Run 8:43:21 h74
2010
21.08 100mi USA28th Leadville Trail 100 Mile 29:38:06 h334
10.07 50mi USA7th Dances with Dirt - Devil's Lake 50M Ultra 13:25:06 h56
05.06 100mi USA15th Kettle Moraine 100 Mile Endurance Runs 28:13:47 h39
22.05 8h USA1st CRUD 8 Hour Trail Run 54.717 km8
06.05 200mi USA2nd Peak Ultra 200 Mile Endurance Run 2d 22:12:00 h2 🥈
27.03 30mi USA4th Clinton Lake Ultra 5:59:25 h45
06.02 100mi USA18th Rocky Raccoon 100 Mile Trail Run 23:39:44 h87
2009
08.08 8h USA19th Howl at the Moon 8h Run 50.066 km108
18.07 100mi USA21st Vermont 100 Mile Endurance Race 27:58:12 h139
06.06 100mi USA14th Kettle Moraine 100 Mile Endurance Run 26:47:07 h67
09.05 50mi USA28th Ice Age Trail 50 Mile Run 11:04:06 h149
14.03 50mi USA6th Land Between The Lakes 50 Mile Trail Run 10:59:59 h44
2008
11.10 33mi USA3rd Farmdale Trail Run 30 Mile 8:14:44 h52
04.10 100mi USA18th Arkansas Traveller 100 27:49:02 h47
21.09 50km USA5th Rock Cut Hobo 50K 5:55:25 h41
06.09 100mi USA29th Wasatch Front 100 Mile 35:39:35 h160
19.07 100mi USA20th Vermont 100 Mile Endurance Race 28:53:19 h127
10.05 50mi USA27th Ice Age Trail 50 Mile Run 11:13:02 h163
11.04 150mi USA8th McNaughton 150 Mile Ultra Race 2d 03:21:27 h13
29.03 30mi USA2nd Clinton Lake Ultra 6:39:14 h52
08.03 50mi USA5th Land Between The Lakes 50 Mile Trail Run 10:49:40 h37
02.02 100mi USA16th Rocky Raccoon 100 Mile Trail Run 27:32:19 h125
20.01 50km USA3rd Swamp Stomper 50K 7:13:13 h37
2007
28.10 100km USA5th Javelina Jundred 100 km Endurance Run 17:32:20 h24
13.10 33mi USA2nd Farmdale Trail Run 30 Mile 7:07:00 h34
21.07 100mi USA19th Vermont 100 Mile Endurance Race 28:45:42 h126
23.06 100mi USA34th Western States 100 Mile Endurance Run 27:53:57 h172
12.05 50mi USA26th Ice Age Trail 50 Mile Run 10:41:56 h149
31.03 100mi USA13th Umstead Endurance Run 100 Miles 26:20:24 h55
10.03 50mi USA4th Land Between The Lakes 50 Mile Trail Run 10:36:59 h36
03.02 100mi USA15th Rocky Raccoon 100 Mile Trail Run 28:29:47 h143
13.01 50km USA7th Bandera 50 km Ultratrail 10:18:00 h107
2006
17.11 48h USA6th Ultracentric 48 Hour Run 188.100 km8
10.11 100mi USA1st Mother Road 100 Mile 29:49:05 h119
04.11 100mi USA4th Javelina Jundred 100 Mile Endurance Run 29:14:22 h66
16.09 100mi USA20th Angeles Crest 100 Mile 32:57:57 h81
26.08 100mi USA2nd Lean Horse Ultra-Marathon 100 Mile 27:55:30 h36
12.08 8h USA16th Howl at the Moon 8h Run 60.656 km77
22.07 100mi USA18th Vermont 100 Mile Endurance Race 27:28:29 h105
17.06 100mi USA17th Mohican Trail 100 Mile 28:28:00 h37
13.05 50mi USA25th Ice Age Trail 50 Mile Run 11:29:56 h203
15.04 100mi USA6th McNaughton 100 Mile Ultra Race 30:13:17 h19
25.03 50mi USA7th Grasslands 50 Mile Trail Run 10:05:33 h24
07.01 100km USA6th Bandera 100 km Ultratrail 17:50:37 h43
2005
19.11 50mi USA43rd JFK 50 Mile 10:40:16 h502
27.08 100mi USA1st Lean Horse Ultra-Marathon 100 Mile 28:51:46 h49
21.05 50mi USA6th Berryman 50 Mile 11:43:30 h35
16.04 30mi USA5th McNaughton 30 Mile Ultra Race 6:27:02 h42