David Shannon
ID 276095
Born : 1958 Cat. M65 Ultrarunner since 2011 USA
49
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
74,7%
Rank quotient ?This runner's calculation uses 51 eligible race(s): Σ(rank − 1) = 4 562; Σ finishers = 6 106. 4 562 / 6 106 × 100 = 74.71%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed51
Km — ultra races3 916 km
> 100 km10
> 160 km4
> 24h9
Longest race160,9 km
9th Daytona 100 - 100 Miles Ultra — 9/12/2023

Km per year (ultra races)

196
2 races
2022
664
7 races
2023
155
3 races
2024
325
5 races
2025
150
2 races
2026

Race types (share of distance)

Road30,7%
Trail69,3%

Wins & podiums (ultra)

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

Records

50 km6h15'20100 km16h59'4350 mi12h33'14100 mi27h54'1024 h146,13 km

HISTORY

51 race(s)
DateRacePerf.Rk
2026
19.09 50km USA14th Bryce 50 km Trail Run 11:25:00 h85
01.08 100km USA8th Badger Trail Races by Ten Junk Miles Racing 18:43:49 h64
2025
02.08 100km USA7th Badger Trail Races by Ten Junk Miles Racing 16:59:43 h37
31.05 24h USA36th FANS 24 Hour Runs 69.813 km65
26.04 50km USA18th Chippewa Moraine 50km Ultra Marathon 8:52:12 h118
12.04 34mi USA17th Zumbro 34 Mile Endurance Run 10:23:12 h90
08.03 50km USA11th Antelope Canyon 50 km Race 11:45:26 h103
2024
01.06 24h USA35th FANS 24 Hour Runs 55.522 km56
27.04 50km USA17th Chippewa Moraine 50km Ultra Marathon 9:02:06 h105
14.04 49km USA13th The Zion 50 km Run 9:30:04 h411
2023
09.12 100mi USA9th Daytona 100 - 100 Miles Ultra 29:08:21 h87
04.11 8h USA10th Icebox 480 - 8 Hour Run 45.463 km45
29.10 50km USA9th Hixon 50 9:16:28 h110
19.08 100mi USA18th Lean Horse Ultra-Marathon 100 Mile 27:54:10 h34
29.07 100km USA5th Badger Trail Races by Ten Junk Miles Racing 18:02:53 h31
03.06 24h USA34th FANS 24 Hour Runs 96.480 km20
22.04 50km USA16th Chippewa Moraine 50km Ultra Marathon 8:31:11 h100
2022
22.10 50km USA7th Glacier Hills 50k Ultra 7:31:49 h25
04.06 24h USA33th FANS 24 Hour Runs 146.128 km13
2021
28.08 24h USA32th FANS 24 Hour Runs 108.791 km14
24.07 50mi USA40th Minnesota Voyageur Trail 50 Mile Ultra 13:40:15 h111
06.06 50km USA11th Chester Woods Trail Races Mason Run 7:26:28 h28
23.04 50km USA14th Chippewa Moraine 50km Ultra Marathon 8:25:19 h131
2020
19.09 50km USA1st O'Brien 50 km Race 6:46:57 h24
2019
19.10 50km USA11th Wild Duluth 50 km Races 9:16:02 h159
11.08 50km USA1st Bruno´s 50km Run 7:17:22 h2 🥈
27.07 50mi USA38th Minnesota Voyageur Trail 50 Mile Ultra 12:33:14 h152
01.06 24h USA30th FANS 24 Hour Runs 140.495 km11
27.04 50km USA12th Chippewa Moraine 50km Ultra Marathon 7:26:27 h150
13.04 50km USA29th Trail Mix Race 7:22:35 h78
2018
15.12 100mi USA2nd Loup Garou 100 Mile Trail Run 29:13:34 h24
28.10 50km USA4th Hixon 50 8:50:22 h105
28.07 50mi USA37th Minnesota Voyageur Trail 50 Mile Ultra 13:01:39 h286
02.06 24h USA29th FANS 24 Hour Runs 135.204 km25
28.04 50km USA11th Chippewa Moraine 50km Ultra Marathon 7:23:26 h124
2017
03.06 24h USA28th FANS 24 Hour Runs 117.160 km32
29.04 50km USA10th Chippewa Moraine 50km Ultra Marathon 8:04:22 h147
08.04 50mi USA9th Zumbro Midnight 50 Mile Trail Race 16:58:38 h130
2016
27.08 50mi USA12th Lean Horse Ultra-Marathon 50 Mile 12:41:16 h36
23.04 50km USA9th Chippewa Moraine 50km Ultra Marathon 7:57:01 h151
2015
12.09 50mi USA25th Superior Fall Trail Races 50 Mile 15:37:20 h95
22.08 100mi USA11th Lean Horse Ultra-Marathon 100 Mile 29:09:05 h39
06.06 24h USA26th FANS 24 Hour Runs 120.861 km35
25.04 50km USA8th Chippewa Moraine 50km Ultra Marathon 7:36:09 h129
2014
18.10 100km USA6th Wild Duluth 100 km Races 19:41:46 h39
26.04 50km USA7th Chippewa Moraine 50km Ultra Marathon 7:30:09 h182
2013
06.07 50km USA20th Afton Trail Run 50K 8:01:26 h155
27.04 50km USA6th Chippewa Moraine 50km Ultra Marathon 8:22:28 h165
2012
21.07 50km USA6th Great Cranberry Island 50K Ultra 6:15:20 h75
19.05 50km USA10th Superior Spring 50 km Trail Race 7:42:35 h109
2011
21.05 50km USA9th Superior Spring 50 km Trail Race 7:31:17 h71