Alex Swenson
ID 11283
Born : 1964 Cat. M60 Ultrarunner since 1993 USA
80
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
101
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
7
Countries visited ?CANCanadaCZECzechiaGERGermanyKORSouth KoreaNEDNetherlandsTPETaiwanUSAUnited States
17,8%
Rank quotient ?This runner's calculation uses 165 eligible race(s): Σ(rank − 1) = 1 926; Σ finishers = 10 847. 1 926 / 10 847 × 100 = 17.76%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed236
Km — ultra races20 777 km
> 100 km43
> 160 km35
> 200 km12
> 24h23
> 48h2
Longest race2 348,0 km
Transeuropalauf 2025 Flensburg - San Marino — 3/8/2025

Km per year (ultra races)

2022
264
4 races
2023
844
11 races
2024
2 751
6 races
2025
559
7 races
2026

Race types (share of distance)

Road34,2%
Trail37,0%
Stage28,2%
Elim.0,6%

Wins & podiums (ultra)

🏆 Win19
🏆 Win M24
🏅 Top 359
🏅 Top 3 M66
Longest winning streak2
Current streak0

Records

50 km3h47'50100 km10h29'4950 mi6h31'35100 mi17h32'3612 h127,52 km24 h235,61 km6 d658,22 kmBackyard10 loops

HISTORY

168 race(s) · 55 stage(s) nested · 3 split(s) nested
DateRacePerf.Rk
2026
25.07 50mi USA1st Huckleberry Hundred 13:26:46 h3 🥉
05.07 50mi USA5th Hellz Bellz Ultra 13:50:14 h33
20.06 100km USA8th Strawberry Field Forever 100 km Trail Race 14:41:04 h9
06.06 50km USA1st Green River 50K 5:31:00 h1 🏆
30.05 12h USA3rd Lake Tye Challenge - 12h 98.491 km4
23.05 100km USA15th Pigtails Challenge 100 km 13:54:38 h3 🥉
09.05 50km USA23rd Pigtails Run 50K 4:28:00 h6
2025
03.08–12.09 2348km/41stages GERTranseuropalauf 2025 Flensburg - San Marino 13d 14:59:00 h14
07.06 12h USA2nd Lake Tye Challenge - 12h 98.491 km3 🥉
24.05 13h USA14th Sri Chinmoy 13 Hour Race 96.657 km3 🥉
29.03 12h USA15th Dizzy Daze 12 Hour Race 92.698 km4
15.03 Backyard Ultra USA2nd Little Backyard Adventure 65.017 km16
19.01 50km USA1st Birthday RUN 5:45:07 h3 🥉
2024
14.12 50km USA22nd Pigtails Run 50K 4:56:40 h8
09.11 50mi USA3rd Willapa Trail Festival 50 Miles Race 9:46:36 h12
10.08 24h USA8th Angry Owl 24 Hour Ultramarathon 102.998 km9
11.05 100km USA7th Secret Beach 100 km Race 17:05:56 h4
21.04 50mi USA40th Mt. Si 50 Miles Ultra Run 9:05:12 h6
13.04 12h USA11th Cottontail 12 Hour Race 82.494 km3 🥉
30.03 12h USA14th Dizzy Daze 12 Hour Race 97.848 km5
09.03 50km USA2nd Jill's Twelve Hour Run 5:27:04 h3 🥉
17.02 50km USA6th Run Forest Run 50k Race 7:10:45 h23
10.02 100km USA2nd BURT 100 18:43:45 h3 🥉
20.01 50km USA20th Capitol Peak MegaFatAss 6:25:32 h34
2023
09.12 50km USA21st Pigtails Run 50K 4:42:38 h11
21.10 12h USA17th Carkeek 12 Hour 83.364 km2 🥈
07.10 50mi USA2nd Willapa Trail Festival 50 Miles Race 9:44:58 h2 🥈
12.02 50km USA2nd West Seattle Beach Run - Fat Ass 5:36:00 h2 🥈
2021
11.12 50km USA19th Pigtails Run 50K 4:34:40 h4
2019
19.10 Backyard Ultra USA1st Lastest not Fastest Backyard Ultra 65.178 km19
21.07–03.08 900km/14stages NEDHolland Ultra Tour 2019 3d 23:29:00 h2 🥈
13.04 12h USA6th Cottontail 12 Hour Race 81.625 km3 🥉
16.03 24h USA18th Pacific Rim One Day 164.153 km7
16.02 50km USA10th Woolley Trail Runs 50k 5:24:07 h3 🥉
19.01 50km USA16th Capitol Peak MegaFatAss 5:23:43 h35
2018
30.06 50km USA3rd Needles 50k 10:57:00 h45
20.01 50km USA15th Capitol Peak MegaFatAss 5:19:28 h14
2017
02.08 59km GER1. Deutschlandlauf 2017 Etap.18 Füssen - Garmisch-Partenkirchen 7:37:00 h17
01.08 76.4km GER1. Deutschlandlauf 2017 Etap.17 Memmingen - Füssen 9:46:00 h13
31.07 66.4km GER1. Deutschlandlauf 2017 Etap.16 Dornstadt - Memmingen 9:34:00 h39
30.07 54.8km GER1. Deutschlandlauf 2017 Etap.15 Lichtenwald - Dornstadt 7:48:00 h23
29.07 88km GER1. Deutschlandlauf 2017 Etap.14 Schloss Eichtersheim - Lichtenwald 12:14:00 h15
28.07 76.7km GER1. Deutschlandlauf 2017 Etap.13 Westhofen - Schloss Eichtersheim 9:42:00 h16
27.07 66.8km GER1. Deutschlandlauf 2017 Etap.12 Oberwesel - Westhofen 8:10:00 h17
26.07 54.4km GER1. Deutschlandlauf 2017 Etap.11 Mülheim-Kärlich - Oberwesel 7:06:00 h21
25.07 58.1km GER1. Deutschlandlauf 2017 Etap.10 Bornheim - Mülheim-Kärlich 8:53:00 h38
24.07 60.1km GER1. Deutschlandlauf 2017 Etap.9 Solingen - Bornheim 9:39:00 h35
23.07 83.2km GER1. Deutschlandlauf 2017 Etap.8 Werne - Solingen 12:47:00 h26
22.07 90.1km GER1. Deutschlandlauf 2017 Etap.7 Osnabrück - Werne 12:27:00 h21
21.07 78.2km GER1. Deutschlandlauf 2017 Etap.6 Sulingen - Osnabrück 9:17:00 h11
20.07 70.7km GER1. Deutschlandlauf 2017 Etap.5 Rotenburg/Wümme - Sulingen 7:57:00 h6
19.07 79.3km GER1. Deutschlandlauf 2017 Etap.4 Hamburg - Rotenburg/Wümme 8:57:00 h7
18.07 76.9km GER1. Deutschlandlauf 2017 Etap.3 Jevenstedt - Hamburg 9:19:00 h18
17.07 86.3km GER1. Deutschlandlauf 2017 Etap.2 Enge-Sande - Jevenstedt 9:00:00 h5
16.07 58.7km GER1. Deutschlandlauf 2017 Etap.1 Sylt - Enge-Sande 5:42:00 h14
16.07 1319km/19stages GER1. Deutschlandlauf 2017 - by oliwit 7d 03:43:00 h13
15.07 50km USA3rd Kill Bill's Oyster Dome Challenge 5:45:35 h2 🥈
23.04 50mi USA34th Mt. Si 50 Miles Ultra Run 7:20:11 h5
17.03 24h USA16th Pacific Rim One Day 167.371 km2 🥈
24.02 100mi USA2nd Orcas Island 100 Mile Race 31:11:01 h22
21.01 50km USA14th Capitol Peak MegaFatAss 4:56:34 h5
2016
12.08 120mi CAN7th Fat Dog 120 Mile Trail Race 42:48:06 h57
16.07 50km USA2nd Kill Bill's Oyster Dome Challenge 5:45:35 h2 🥈
18.06 24h USA3rd Elijah Bristow 24 Hour Run 194.666 km2 🥈
28.05 100mi USA5th Pigtails Challenge 100 Mile 18:19:57 h1 🏆
09.04 100mi USA7th Lumberjack Endurance 100 Mile Run 24:08:09 h3 🥉
19.03 24h USA15th Pacific Rim One Day 186.683 km1 🏆
19.02 100mi USA1st Orcas Island 100 Mile Race 28:11:43 h13
30.01 50km USA3rd Lake Youngs Nuts Run 4:27:17 h4
2015
19.12 50km USA13th Pigtails Run 50K 4:06:24 h2 🥈
31.10 12h USA9th Carkeek 12 Hour 95.788 km1 🏆
13.06 24h USA2nd Elijah Bristow 24 Hour Run 181.567 km2 🥈
16.05 12h USA11th Watershed Preserve 12 Hr Trail Race 115.929 km3 🥉
26.04 50mi USA32nd Mt. Si 50 Miles Ultra Run 6:58:41 h4
04.04 12h USACottontail 12 Hour Race 98.894 km1 🏆
15.02 50km USAFishline 50K Run 5:14:39 h4
2014
01.11 12h USA8th Carkeek 12 Hour 98.025 km1 🏆
05.04 12h USACottontail 12 Hour Race 94.532 km1 🏆
15.03 24h USA13th Pacific Rim One Day 199.558 km2 🥈
09.02 50km USAFishline 50K Run 5:15:48 h1 🏆
18.01 34mi USA11th Capitol Peak MegaFatAss 5:20:34 h6
2013
14.09 100mi USA12th Plain 100 Mile Endurance Run 34:30:00 h5
13.07 50km USA9th Grey Rock Trail Run 6:05:45 h8
21.04 6d USA16th Sri Chinmoy 6 Day Race 658.221 km3 🥉
10.02 50km USAFishline 50K Run 5:05:05 h1 🏆
2012
19.05 12h USA8th Watershed Preserve 12 Hr Trail Race 117.087 km4
24.03 100km USA4th Dizzy Daze 100 km 11:40:48 h2 🥈
17.03 24h USA11th Pacific Rim One Day 165.762 km4
18.02 50km USA3rd Woolley Trail Runs 50k 4:02:16 h3 🥉
28.01 50km USA1st Lake Youngs Nuts Run 4:14:14 h6
2011
17.12 50km USA9th Pigtails Run 50K 4:15:55 h7
13.08 50mi USA1st Angels Staircase 50 Mile 11:46:00 h2 🥈
18.06 50km USA2nd Vashon Ultramarathon 50k 5:49:30 h19
19.03 24h USA10th Pacific Rim One Day 156.106 km8
2010
30.10 12h USA4th Carkeek 12 Hour 93.181 km2 🥈
20.06 50mi USA2nd Sun Mountain 50 Mile Trail Races 8:39:30 h7
15.05 12h USA6th Watershed Preserve 12 Hr Trail Race 96.319 km15
23.04 6d USA13th Sri Chinmoy 6 Day Race 637.300 km4
20.03 24h USA9th Pacific Rim One Day 140.012 km15
2009
19.12 50km USA6th Pigtails Run 50K 3:57:15 h2 🥈
24.01 50km USA5th Pigtails Run 50K 4:00:00 h2 🥈
2008
18.10 24h KORIAU 24h WC Seoul 216.665 km40
26.07 50mi USA16th White River 50 Mile Trail Run 8:21:13 h22
14.06 28.8mi USA2nd Lake Youngs Ultra 3:32:22 h3 🥉
17.05 12h USA4th Watershed Preserve 12 Hr Trail Race 109.596 km1 🏆
26.01 50km USA4th Pigtails Run 50K 3:48:15 h1 🏆
2007
22.12 50km USA3rd Pigtails Run 50K 3:52:36 h2 🥈
17.11 24h USA7th Ultracentric 24 Hour Run 177.027 km19
06.10 50km USA6th Baker Lake 50K Ultra Trail Run 4:33:57 h1 🏆
15.09 50km USA13th Cle Elum Ridge 50k 5:14:03 h4
28.07 24h CANIAU 24h WC 24 Drummondville 199.801 km48
19.05 12h USA3rd Watershed Preserve 12 Hr Trail Race 127.524 km1 🏆
28.04 50mi USA4th Capitol Peak 50 Miler 7:50:28 h4
22.04 50mi USA24th Mt. Si 50 Miles Ultra Run 6:44:57 h3 🥉
17.03 24h USA6th Pacific Rim One Day 85.295 km13
03.02 50km USA2nd Pigtails Run 50K 3:53:28 h1 🏆
13.01 50km USA12th Bridle Trails Winter Running Festival 4:25:08 h5
2006
18.11 24h USA6th Ultracentric 24 Hour Run 235.607 km1 🏆
07.10 50km USA5th Baker Lake 50K Ultra Trail Run 4:39:56 h6
16.09 50km USA12th Cle Elum Ridge 50k 5:26:41 h5
29.07 50mi USA14th White River 50 Mile Trail Run 8:17:42 h18
20.05 12h USA2nd Watershed Preserve 12 Hr Trail Race 116.548 km2 🥈
15.04 50mi USA3rd Capitol Peak 50 Miler 9:03:44 h9
18.03 50km USA14th Chuckanut 50K 4:53:20 h30
25.02 24h TPEIAU 24h WC Taipei Yuanshan 219.272 km29
2005
12.11 24h USA7th San Diego One Day 24-Hour Race 227.269 km3 🥉
2004
23.10 6h CZEIAU 24h WC Brno - 6h Split 61.036 km79
23.10 12h CZEIAU 24h WC Brno - 12h Split 118.003 km52
23.10 24h CZEIAU 24h WC Brno 218.584 km24
04.09 12h USA1st Badgerland F/X 12 Hour Run (day) 79.599 km4
14.08 8h USA14th Howl at the Moon 8h Run 92.424 km2 🥈
05.06 100mi USA9th Kettle Moraine 100 Mile Endurance Run 17:32:36 h1 🏆
2003
07.12 50km USA17th OTHTC High Desert 50K Ultra 4:27:07 h17
08.11 24h USA5th San Diego One Day 24-Hour Race 215.973 km8
13.09 100mi USA13th Olander Park 24 Hour Run - 100mi Split 16:12:51 h8
13.09 24h USA13th Olander Park 24 Hour Run 160.934 km8
03.05 24h USA22nd Cornbelt Running Club 24 Hour Run 208.925 km3 🥉
12.04 50mi USA3rd McNaughton 50 Mile Ultra Race 8:11:47 h6
18.01 100mi USA3rd HURT 100 Endurance Run 100 Mile 29:02:00 h2 🥈
2002
02.11 50mi USA3rd Chicago Lakefront Fall 50 Mile Race 6:31:35 h1 🏆
27.07 50mi USA21st Minnesota Voyageur Trail 50 Mile Ultra 8:12:37 h3 🥉
01.06 100km USA7th Kettle Moraine 100 km Endurance Run 10:29:49 h1 🏆
11.05 50mi USA21th Ice Age Trail 50 Mile Run 7:35:20 h7
06.04 50mi USA2nd McNaughton 50 Mile Ultra Race 8:09:28 h4
06.04 50km USA3rd Chicago Lakefront Spring 50km Race 4:17:04 h17
2001
29.12 50km USA5th Huff 50K Trail Run 4:33:43 h26
01.12 50mi USA9th Kentucky Arches 50 Mile 7:00:15 h3 🥉
03.11 50km USA2nd Chicago Lakefront Fall 50km Race 3:47:50 h8
07.10 50mi USA15th Glacial Trail 50 Mile Race 8:18:00 h1 🏆
02.06 100mi USA6th Kettle Moraine 100 Mile Endurance Run 22:47:00 h8
10.05 50mi USA20th Ice Age Trail 50 Mile Run 8:09:01 h24
07.04 50km USA2nd Chicago Lakefront Spring 50km Race 4:04:43 h15
03.02 100mi USA9th Rocky Raccoon 100 Mile Trail Run 21:11:40 h30
2000
04.11 50km USA1st Chicago Lakefront Fall 50km Race 4:07:04 h7
01.10 50km USA14th Glacial Trail 50 km Race 4:49:08 h12
13.05 50mi USA19th Ice Age Trail 50 Mile Run 8:35:45 h69
1999
26.09 50km USA13th Glacial Trail 50 km Race 5:29:11 h19
08.05 50mi USA18th Ice Age Trail 50 Mile Run 8:21:29 h54
1998
16.05 50mi USA17th Ice Age Trail 50 Mile Run 9:59:42 h143
1997
05.10 100km USA11th Glacial Trail Run 100 km 12:08:44 h6
17.05 50mi USA16th Ice Age Trail 50 Mile Run 8:50:12 h91
1996
24.08 100mi USA14th Leadville Trail 100 Mile 28:41:03 h94
1995
09.09 100mi USA5th Superior Fall Trail Races 100 Mile 24:50:12 h11
22.07 100mi USA7th Vermont 100 Mile Endurance Race 20:26:00 h27
13.05 50mi USA14th Ice Age Trail 50 Mile Run 8:19:00 h33
1994
20.08 50km USA1st Machickanee 50 km Trail Run 4:48:03 h6
1993
31.07 50mi USA12th Minnesota Voyageur Trail 50 Mile Ultra 8:55:13 h13
15.05 50mi USA12th Ice Age Trail 50 Mile Run 7:55:30 h30