Shelly Mack
ID 366340
Born : 1967 Cat. W55 Ultrarunner since 2011 USA
48
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
73,7%
Rank quotient ?This runner's calculation uses 49 eligible race(s): Σ(rank − 1) = 1 694; Σ finishers = 2 297. 1 694 / 2 297 × 100 = 73.75%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed49
Km — ultra races3 995 km
> 100 km4
> 160 km4
> 200 km3
> 24h3
Longest race524,6 km
2nd The Last Annual Heart of the South Road Race — 17/6/2021

Km per year (ultra races)

150
3 races
2022
251
5 races
2023
157
3 races
2024
553
11 races
2025
200
4 races
2026

Race types (share of distance)

Road38,0%
Trail62,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F1
🏅 Top 30
🏅 Top 3 F5
Longest winning streak0
Current streak0

Records

50 km5h56'1750 mi12h06'12100 mi26h46'4712 h62,76 km24 h50,34 km

HISTORY

49 race(s)
DateRacePerf.Rk
2026
11.07 50km USA2nd Midnight Madness 9:22:11 h32
11.04 50km USA28th Taturs Lake McMurtry 50 km Trail Race 8:49:14 h31
07.02 50km USA4th North Texas Ultra 9:03:08 h55
17.01 50km USA15th Go Short, Go Long, Go Very Long 50K 8:40:40 h31
2025
08.11 50km USA28th Rockledge Rumble Trail Run 10:22:34 h69
01.11 50km USA1st Camino De Los Muertos 9:59:56 h7
20.09 50km USA3rd Death by 5k Tulsa 7:05:34 h158
13.09 50km USA4th Iron Will 50 km 10:14:03 h10
25.07 24h USA5th Texas Endurance 24 Hour Endurance Runs 50.340 km29
05.07 50km USA1st Midnight Madness 9:36:01 h34
03.05 53km USA4th Chupacabra 50k 9:20:50 h13
29.03 50km USA3rd Ricochet's Riot 10:21:36 h17
01.03 50km USA4th Lake Vian 50km Hilltop Run 8:46:11 h14
08.02 50km USA3rd North Texas Ultra 8:55:45 h45
18.01 50km USA14th Go Short, Go Long, Go Very Long 50K 9:04:32 h27
2024
09.11 50km USA27th Rockledge Rumble Trail Run 10:48:08 h78
10.08 54km USA4th Blazin' Summer Sufferfest 54 km Race 12:24:00 h29
04.05 53km USA3rd Chupacabra 50k 9:15:26 h26
2023
11.11 50km USA26th Rockledge Rumble Trail Run 10:30:31 h66
12.08 50km USA9th Habanero Hundred 50 km 12:08:56 h46
28.07 24h USA3rd WRATH Texas 24 Hour Endurance Runs 50.292 km27
28.07 24h USA3rd Texas Endurance 24 Hour Endurance Runs 50.292 km27
08.07 50km USA5th Dark and Dirty Gravel Miles 9:32:06 h9
2022
29.10 50km USA3rd Lake Murray 50 km Endurance Run 9:13:52 h30
15.10 50km USA12th Pumpkin Holler 50 km Race 9:07:00 h73
22.01 50km USA11th Go Short, Go Long, Go Very Long 50K 7:55:11 h44
2021
23.10 50km USA2nd Lake Murray 50 km Endurance Run 10:01:43 h28
25.09 50km USA1st Paris Pair 50km 8:43:47 h41
17.06 326mi USA2nd The Last Annual Heart of the South Road Race 7d 19:20:58 h21
23.01 50km USA10th Go Short, Go Long, Go Very Long 50K 8:16:16 h40
09.01 50km USA2nd The Wildcatter 50 km Ultra Race 10:10:37 h27
2019
11.07 500km USA14th Last Annual Vol-State 500K Endurance Run 7d 12:26:24 h45
2018
08.09 50km USA9th Do-Wacka-Do 50 km Trail Run 7:52:30 h7
2017
09.09 50km USA8th Do-Wacka-Do 50 km Trail Run 6:54:42 h9
2016
03.09 50km USA7th Do-Wacka-Do 50 km Trail Run 8:32:46 h12
23.01 50km USA5th Go Short, Go Long, Go Very Long 50K 5:56:17 h16
02.01 100mi USA4th The Pistol 100 Mile Ultra Run 26:46:47 h45
2015
14.11 50km USA6th Bona Dea 50K 6:58:34 h23
09.07 500km USA10th Last Annual Vol-State 500K Endurance Run 7d 10:33:22 h29
20.06 12h USA3rd Dizzy GOAT 12 Hour Trail Run 62.764 km49
2014
15.11 50km USA5th Bona Dea 50K 7:29:50 h21
25.10 50mi USA2nd Kansas Rails-to-Trails Fall Extravaganza 50 Mile 12:06:12 h40
06.09 50km USA5th Do-Wacka-Do 50 km Trail Run 7:18:06 h11
2013
16.11 50km USA10th Dizzy Fifties - 50 km Trail Run 7:06:26 h52
07.09 50km USA4th Do-Wacka-Do 50 km Trail Run 7:38:12 h11
10.08 8h USA23rd Howl at the Moon 8 Hour Run 55.361 km104
2012
08.09 50km USA3rd Do-Wacka-Do 50 km Trail Run 7:50:40 h18
12.05 50km USA2nd Rock-On Lake Perry 50K Trail Run 7:20:27 h55
2011
24.09 50km USA2nd Do-Wacka-Do 50 km Trail Run 8:13:24 h12