Joel Lammers
Born : 1962 Cat. M60 Ultrarunner since 1997 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
8,1%
Rank quotient ?This runner's calculation uses 149 eligible race(s): Σ(rank − 1) = 1 393; Σ finishers = 17 294. 1 393 / 17 294 × 100 = 8.05%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed149
Km — ultra races8 966 km
> 100 km3
> 160 km3
Longest race160,9 km

Km per year (ultra races)

100
2 races
2022
50
1 race
2023
100
2 races
2024
148
3 races
2025
150
3 races
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win23
🏆 Win M23
🏅 Top 360
🏅 Top 3 M61
Longest winning streak2
Current streak0

HISTORY

149 race(s)
DateRacePerf.Rk
2026
09.05 50km USA45th Ice Age Trail 50 km Run 5:53:18 h42
18.04 50km USA15th Double Top 50 km 7:59:00 h3 🥉
28.03 50km USA28th Double Chubb 50k 6:19:43 h30
2025
26.10 50km USA11th Hixon 50 7:04:36 h43
12.10 50km USA39th Glacial Trail 50 km Race 5:49:08 h17
29.03 30mi USA19th Clinton Lake Ultra 5:59:39 h14
2024
13.10 50km USA38th Glacial Trail 50 km Race 6:25:44 h31
14.04 50km USA13th Mountains to Sea Challenge 6:14:56 h27
2023
08.10 50km USA37th Glacial Trail 50 km Race 5:56:04 h32
2022
09.10 50km USA36th Glacial Trail 50 km Race 5:32:56 h12
16.04 50km USA24th Double Chubb 50k 5:26:46 h5
2021
31.10 50km USA7th Hixon 50 6:57:08 h47
10.10 50km USA35th Glacial Trail 50 km Race 5:41:41 h17
11.09 50mi USA40th Ice Age Trail 50 Mile Run 10:05:58 h29
17.04 50km USA23th Double Chubb 50k 5:36:39 h9
2020
11.10 50km USA34th Glacial Trail 50 km Race 5:12:15 h9
2019
26.10 50km USA5th Hixon 50 5:12:38 h28
13.10 50km USA33rd Glacial Trail 50 km Race 5:25:39 h18
11.05 50mi USA38th Ice Age Trail 50 Mile Run 9:18:47 h84
20.04 50km USA21th Double Chubb 50k 5:31:08 h11
2018
14.10 50km USA32nd Glacial Trail 50 km Race 6:45:34 h47
2017
02.12 50mi USA4th Jackson County 50-50 Ultra-marathon - 50 Mile 9:11:07 h3 🥉
29.10 50km USA3rd Hixon 50 5:09:23 h12
08.10 50km USA31st Glacial Trail 50 km Race 4:53:37 h6
13.05 50mi USA36th Ice Age Trail 50 Mile Run 8:30:49 h23
15.04 50km USA19th Double Chubb 50k 4:37:51 h2 🥈
25.03 30mi USA11th Clinton Lake Ultra 4:40:28 h2 🥈
2016
03.12 50mi USA3rd Jackson County 50-50 Ultra-marathon - 50 Mile 9:40:08 h3 🥉
30.10 50km USA2nd Hixon 50 5:10:45 h11
09.10 50km USA30th Glacial Trail 50 km Race 4:48:16 h10
14.05 50mi USA35th Ice Age Trail 50 Mile Run 8:08:15 h17
16.04 50km USA18th Double Chubb 50k 4:33:36 h5
26.03 30mi USA10th Clinton Lake Ultra 4:19:57 h2 🥈
2015
11.10 50km USA29th Glacial Trail 50 km Race 4:32:26 h1 🏆
03.10 50km USA8th Endurance Challenge - Wisconsin Trail 50 km 4:23:47 h6
09.05 50mi USA34th Ice Age Trail 50 Mile Run 7:55:56 h14
18.04 50km USA17th Double Chubb 50k 4:06:02 h2 🥈
28.03 30mi USA9th Clinton Lake Ultra 4:15:03 h1 🏆
2014
08.11 49.6mi USA2nd tBunk Endurance Challenge 50 Mile 7:34:05 h1 🏆
12.10 50km USA28th Glacial Trail 50 km Race 4:24:20 h4
14.09 50km USA7th Endurance Challenge - Wisconsin Trail 50 km 4:20:20 h8
07.06 100km USA19th Kettle Moraine 100 km Endurance Run 11:33:56 h4
10.05 50mi USA33rd Ice Age Trail 50 Mile Run 7:54:02 h26
19.04 50km USA16th Double Chubb 50k 4:05:57 h2 🥈
29.03 30mi USA8th Clinton Lake Ultra 4:09:28 h1 🏆
2013
07.12 50mi USA7th Endurance Challenge - California Trail 50 Mile 9:10:39 h80
03.11 31.2mi USA1st tBunk Endurance Challenge 50 km 4:18:38 h2 🥈
13.10 50km USA27th Glacial Trail 50 km Race 4:19:45 h6
15.09 50km USA6th Endurance Challenge - Wisconsin Trail 50 km 4:50:25 h32
01.06 100mi USA18th Kettle Moraine 100 Mile Endurance Run 21:43:34 h11
11.05 50mi USA32nd Ice Age Trail 50 Mile Run 8:19:00 h33
27.04 50km USA6th Chippewa Moraine 50km Ultra Marathon 4:36:38 h7
20.04 50km USA15th Double Chubb 50k 4:18:39 h3 🥉
23.03 30mi USA7th Clinton Lake Ultra 4:26:44 h7
2012
03.11 50km USA16th OPSF Ultra 50 km Race 5:10:00 h1 🏆
14.10 50mi USA26th Glacial Trail 50 Mile Race 7:57:03 h2 🥈
15.09 50km USA5th Endurance Challenge - Wisconsin Trail 50 km 4:11:02 h4
12.05 50mi USA31st Ice Age Trail 50 Mile Run 7:54:18 h26
28.04 50km USA5th Chippewa Moraine 50km Ultra Marathon 4:30:07 h14
21.04 50km USA14th Double Chubb 50k 4:09:38 h2 🥈
31.03 30mi USA6th Clinton Lake Ultra 4:00:09 h1 🏆
2011
09.10 50km USA25th Glacial Trail 50 km Race 4:34:00 h6
17.09 50km USA4th Endurance Challenge - Wisconsin Trail 50 km 4:14:24 h4
14.05 50mi USA30th Ice Age Trail 50 Mile Run 7:46:38 h10
23.04 50km USA4th Chippewa Moraine 50km Ultra Marathon 4:37:57 h9
16.04 50km USA13th Double Chubb 50k 4:14:44 h3 🥉
26.03 30mi USA5th Clinton Lake Ultra 4:03:04 h1 🏆
2010
06.11 50mi USA28th Mountain Masochist 50 Mile Trail Run 9:15:40 h28
10.10 50km USA24th Glacial Trail 50 km Race 4:24:34 h5
18.09 50km USA3rd Endurance Challenge - Wisconsin Trail 50 km 4:02:25 h5
08.05 50mi USA29th Ice Age Trail 50 Mile Run 7:26:26 h13
10.04 50km USA12th Double Chubb 50k 4:04:28 h4
27.03 30mi USA4th Clinton Lake Ultra 4:07:49 h3 🥉
2009
05.12 50mi USA3rd Endurance Challenge - California Trail 50 Mile 9:07:17 h40
11.10 50km USA23rd Glacial Trail 50 km Race 4:17:43 h2 🥈
20.09 50km USA6th Rock Cut Hobo 50K 4:13:18 h6
09.05 50mi USA28th Ice Age Trail 50 Mile Run 7:28:46 h6
18.04 50km USA11th Double Chubb 50k 4:18:43 h5
28.03 30mi USA3rd Clinton Lake Ultra 4:25:30 h4
2008
25.10 50mi USA1st Endurance Challenge - Wisconsin Trail 50 Miles 8:30:01 h21
12.10 50km USA22nd Glacial Trail 50 km Race 4:55:18 h5
21.09 50km USA5th Rock Cut Hobo 50K 4:28:01 h7
10.05 50mi USA27th Ice Age Trail 50 Mile Run 7:21:35 h1 🏆
19.04 50km USA10th Double Chubb 50k 4:22:37 h3 🥉
29.03 30mi USA2nd Clinton Lake Ultra 4:31:48 h3 🥉
2007
14.10 50km USA21st Glacial Trail 50 km Race 4:19:47 h3 🥉
23.09 50km USA4th Rock Cut Hobo 50K 4:01:54 h1 🏆
12.05 50mi USA26th Ice Age Trail 50 Mile Run 7:32:02 h8
14.04 50km USA9th Double Chubb 50k 3:58:50 h3 🥉
31.03 30mi USA1st Clinton Lake Ultra 4:23:19 h1 🏆
2006
09.12 50mi USA17th Sunmart Texas Trails 50 Mile 6:43:33 h11
08.10 50km USA20th Glacial Trail 50 km Race 4:12:52 h4
23.09 50km USA3rd Rock Cut Hobo 50K 4:05:03 h3 🥉
13.05 50mi USA25th Ice Age Trail 50 Mile Run 7:30:30 h4
15.04 30mi USA6th McNaughton 30 Mile Ultra Race 4:06:08 h2 🥈
15.04 50km USA8th Double Chubb 50k 3:53:32 h1 🏆
2005
23.10 50km USA2nd DeTonty Iron Fist 50K Trail Run 4:05:38 h1 🏆
09.10 50km USA19th Glacial Trail 50 km Race 4:20:00 h3 🥉
14.05 50mi USA24th Ice Age Trail 50 Mile Run 7:34:50 h4
23.04 50km USA15th Trail Mix Race 3:53:34 h5
16.04 50km USA7th Double Chubb 50k 3:49:58 h2 🥈
2004
18.12 50km USA8th Huff 50K Trail Run 4:11:46 h19
13.11 50mi USA12th Kentucky Arches 50 Mile 6:30:00 h1 🏆
10.10 50km USA18th Glacial Trail 50 km Race 4:15:24 h2 🥈
26.09 50km USA1st Rock Cut Hobo 50K 4:14:28 h3 🥉
08.05 50mi USA23th Ice Age Trail 50 Mile Run 7:09:44 h4
17.04 50km USA6th Double Chubb 50k 4:03:42 h1 🏆
03.04 30mi USA4th McNaughton 30 Mile Ultra Race 4:01:31 h1 🏆
2003
06.12 50mi USA14th Sunmart Texas Trails 50 Mile 6:50:40 h8
08.11 50km USA10th Quivering Quads 50K Trail Race 4:24:20 h3 🥉
12.10 50km USA17th Glacial Trail 50 km Race 4:14:18 h2 🥈
07.06 100mi USA8th Kettle Moraine 100 Mile Endurance Run 18:55:57 h4
10.05 50mi USA22th Ice Age Trail 50 Mile Run 7:26:57 h6
19.04 50km USA5th Double Chubb 50k 3:54:58 h2 🥈
2002
07.12 50mi USA13th Sunmart Texas Trails 50 Mile 6:57:36 h9
10.11 50km USA9th Quivering Quads 50K Trail Race 4:44:29 h6
02.11 50km USA10th OPSF Ultra 50 km Race 4:53:10 h2 🥈
13.10 50mi USA16th Glacial Trail 50 Mile Race 8:27:28 h3 🥉
11.05 50mi USA21th Ice Age Trail 50 Mile Run 8:17:07 h16
20.04 50km USA4th Double Chubb 50k 3:54:56 h1 🏆
06.04 50km USA2nd McNaughton 50 km Ultra Race 4:05:18 h1 🏆
02.02 50km USA14th John Dick Memorial Crusty 50K 4:28:39 h5
2001
01.12 50mi USA12th Sunmart Texas Trails 50 Mile 6:48:57 h6
10.11 50km USA8th Quivering Quads 50K Trail Race 4:21:26 h5
03.11 50km USA9th OPSF Ultra 50 km Race 4:36:00 h1 🏆
07.10 50km USA15th Glacial Trail 50 km Race 4:12:34 h2 🥈
10.05 50mi USA20th Ice Age Trail 50 Mile Run 7:13:31 h7
21.04 50km USA12th Trail Mix Race 4:06:51 h4
07.04 50km USA3rd Double Chubb 50k 4:23:55 h2 🥈
2000
11.11 50km USA7th Quivering Quads 50K Trail Race 4:33:57 h4
04.11 50km USA8th OPSF Ultra 50 km Race 3:49:09 h2 🥈
01.10 50km USA14th Glacial Trail 50 km Race 4:28:48 h5
02.06 100mi USA5th Kettle Moraine 100 Mile Endurance Run 20:08:27 h5
13.05 50mi USA19th Ice Age Trail 50 Mile Run 8:27:56 h64
22.04 50km USA11th Trail Mix Race 3:47:20 h3 🥉
08.04 50km USA2nd Double Chubb 50k 3:54:42 h1 🏆
05.02 50km USA12th John A. Dick Memorial Crusty 50K 4:32:13 h2 🥈
1999
04.12 50mi USA10th Sunmart Texas Trails 50 Mile 7:12:02 h22
13.11 50km USA6th Quivering Quads 50K Trail Race 4:31:26 h2 🥈
06.11 50km USA7th OPSF Ultra 50 km Race 3:52:29 h1 🏆
26.09 50km USA13th Glacial Trail 50 km Race 4:20:01 h1 🏆
08.05 50mi USA18th Ice Age Trail 50 Mile Run 7:32:53 h17
17.04 50km USA10th Trail Mix Race 4:02:24 h5
10.04 50km USA1st Double Chubb 50k 4:05:36 h1 🏆
1998
12.12 50mi USA9th Sunmart Texas Trails 50 Mile 7:38:04 h28
07.11 50km USA5th Quivering Quads 50K Trail Race 4:36:36 h3 🥉
1997
13.12 50mi USA8th Sunmart Texas Trails 50 Mile 7:40:29 h42
08.11 50km USA4th Quivering Quads 50K Trail Race 4:33:36 h1 🏆
05.10 50km USA11th Glacial Trail Run 50 km 4:40:00 h5