Shannon Howell
ID 507630
Born : 1978 Cat. W45 Ultrarunner since 2014 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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
3
Countries visited ?FRAFranceITAItalyUSAUnited States
15,0%
Rank quotient ?This runner's calculation uses 69 eligible race(s): Σ(rank − 1) = 1 966; Σ finishers = 13 074. 1 966 / 13 074 × 100 = 15.04%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed69
Km — ultra races5 637 km
> 100 km13
> 160 km10
Longest race170,0 km
20ème Ultra Trail Tour du Mont Blanc (UTMB) — 1/9/2023

Km per year (ultra races)

466
5 races
2022
410
4 races
2023
491
5 races
2024
472
5 races
2025
291
3 races
2026

Race types (share of distance)

Road0,9%
Trail97,7%
Elim.1,4%

Wins & podiums (ultra)

🏆 Win1
🏆 Win F18
🏅 Top 38
🏅 Top 3 F38
Longest winning streak1
Current streak0

Records

50 km4h38'19100 km11h27'0350 mi7h15'09100 mi21h49'566 h59,14 km

HISTORY

69 race(s)
DateRacePerf.Rk
2026
18.09 100mi trail race USA18th Grindstone 100 Mile 25:12:30 h12
06.06 50mi USA9th Dam Yeti 50 Mile Race 7:30:29 h12
21.03 50km USA4th Mount Mitchell Heartbreaker 6:31:56 h13
2025
13.12 100km USA23rd Hellgate 100 km 14:51:01 h41
09.08 50mi USA14th H9 Dragon 50 Miler 12:06:00 h3 🥉
09.05 100mi USA7th The Hellbender One Hundred 22:33:54 h10
22.03 50mi USA3rd Mount Mitchell Heartbreaker 9:37:16 h6
25.01 50km USA1st HAROC (aka Hanging Rock Challenge) 5:41:01 h3 🥉
2024
07.12 100km USA22nd Hellgate 100 km 12:56:45 h19
20.07 100mi USA23th Tahoe Rim Trail 100M Endurance Run 25:17:38 h12
01.06 50mi USA7th Dam Yeti 50 Mile Race 7:15:09 h3 🥉
20.04 50km USA24th Promise Land 50K++ 6:04:44 h40
10.02 99.9km USA11th Black Canyon Trail 100 km Run 11:27:03 h103
2023
09.12 100km USA21st Hellgate 100 km 13:02:22 h18
01.09 170km FRA20ème Ultra Trail Tour du Mont Blanc 32:45:11 h279
20.05 56mi USA11th Cruel Jewel 50 Mile 12:59:17 h5
04.03 50km USA8th Conquer the Rock - Foothills 50K 6:53:32 h3 🥉
2022
10.12 100km USA20th Hellgate 100 km 14:24:14 h41
05.11 50mi USA40th Mountain Masochist 50 Mile Trail Run 9:38:13 h18
01.10 50km USA21th Rock/Creek StumpJump 50K 6:35:23 h25
23.08 145km ITA12ème Sur les Traces des Ducs de Savoie 30:58:25 h153
14.05 56mi USA10th Cruel Jewel 50 Mile 13:16:42 h6
2021
11.12 100km USA19th Hellgate 100 km 13:47:51 h26
24.08 55km ITA11ème TDS Bourg Saint Maurice 9:36:48 h56
26.06 100mi USA48th Western States 100 Mile Endurance Run 21:49:56 h26
08.05 6h USA1st Sunshine Endurance 6 Hour Run 59.143 km2 🥈
2020
12.12 100km USA18th Hellgate 100 km 13:32:00 h21
20.09 100mi USA10th The Georgia Jewel 100 Mile Run 22:00:28 h4
08.08 50mi USA9th H9 Dragon 50 Miler 12:18:00 h2 🥈
19.06 16h USA1st Longest Day Race 80.467 km2 🥈
07.03 50km USA1st Cold Mountain 50km Trail Race 4:52:26 h9
2019
21.09 50km USA6th The Barkley Fall Classic 10:39:59 h17
17.08 100mi USA37th Leadville Trail 100 Mile 25:17:59 h89
03.08 50km USA1st Black Copperhead Sting 50K 6:27:37 h4
14.06 100mi USA27th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 30:54:41 h86
18.05 50km USA5th Quest for the Crest 50k 8:55:30 h7
30.03 68mi USA7th Georgia Death Race 15:48:41 h14
02.03 50km USA4th Conquer the Rock - Foothills 50K 6:35:30 h6
12.01 50km USA1st South Mountains Marathons 5:46:01 h11
2018
08.12 100km USA16th Hellgate 100 km 13:21:16 h18
03.11 50mi USA36th Mountain Masochist 50 Mile Trail Run 9:04:00 h16
05.10 100mi USA10th Grindstone 100 Mile 22:22:38 h8
16.06 28mi USA11th Logan Peak 28 Mile Trail Race 5:13:46 h24
19.05 50km USA4th Quest for the Crest 50k 8:41:33 h12
28.04 50km USA18th Promise Land 50K++ 6:00:52 h23
24.03 50km USA11th Terrapin Mountain 50 km Race 5:35:26 h23
17.02 50km USA23rd Holiday Lake 50K++ 5:00:59 h21
2017
04.11 50mi USA35th Mountain Masochist 50 Mile Trail Run 9:07:21 h23
21.10 50km USA4th Paris Mountain Ultra 50K 5:31:47 h4
02.09 50mi USA12th Iron Mountain 50 Mile Trail Run 9:14:20 h19
20.05 50km USA3rd Quest for the Crest 50k 9:00:18 h12
01.04 68mi USA5th Georgia Death Race 16:41:31 h26
04.03 50km USA2nd Conquer the Rock - Foothills 50K 6:30:15 h6
07.01 50km USA7th Harbison 50K 5:14:14 h6
2016
05.11 100mi USA9th Pinhoti 100 Mile 23:36:01 h25
24.09 50km USA6th Table Rock 50 km Ultra 5:59:43 h21
20.08 6h USA1st Close Quarters 6 Hour Ultra 49.889 km4
30.04 50km USA16th Promise Land 50K++ 6:12:04 h63
05.03 50km USA1st Conquer the Rock - Foothills 50K 6:58:56 h5
2015
07.11 50mi USA33rd Mountain Masochist 50 Mile Trail Run 9:49:17 h51
06.06 50km USA2nd Knock on Wood Ultra - Forest Freak 50k 4:58:59 h6
25.04 50km USA15th Promise Land 50K++ 6:48:14 h107
21.03 50km USA8th Terrapin Mountain 50 km Race 5:38:51 h34
14.02 50km USA20th Holiday Lake 50K++ 4:52:13 h37
2014
01.11 50mi USA32nd Mountain Masochist 50 Mile Trail Run 10:36:32 h102
04.10 50km USA1st Swamp Rabbit Urban Ultra 50K 4:38:19 h1 🏆
17.05 50km USA1st Knock on Wood Ultra - Forest Freak 50k 6:12:00 h5
03.05 50km USA1st Oconee 50k 5:53:25 h21
22.03 50km USA7th Terrapin Mountain 50 km Race 6:25:37 h105