Harry Gregg
ID 487339
Born : 1953 Cat. M70 Ultrarunner since 2013 USA
34
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
44
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
73,8%
Rank quotient ?This runner's calculation uses 34 eligible race(s): Σ(rank − 1) = 1 620; Σ finishers = 2 196. 1 620 / 2 196 × 100 = 73.77%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed34
Km — ultra races2 721 km
> 100 km4
> 160 km4
Longest race160,9 km
13th Long Haul 100 Mile Ultra-Marathons — 14/1/2023

Km per year (ultra races)

438
5 races
2022
460
5 races
2023
203
3 races
2024
373
5 races
2025
154
2 races
2026

Race types (share of distance)

Road5,5%
Trail94,5%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km7h03'4850 mi12h54'16100 mi28h17'3012 h76,12 km

HISTORY

34 race(s)
DateRacePerf.Rk
2026
05.09 46mi USA14th Pinellas Trail Challenge 12:45:47 h80
04.04 50mi USA32nd Croom Trail 50 Mile Fools Run 13:12:03 h26
2025
22.11 60mi USA5th Colt 60 Mile Trail Run 15:26:30 h14
04.10 50km USA33rd John Holmes 50k Trail Run 7:45:19 h24
30.08 46mi USA13th Pinellas Trail Challenge 12:47:26 h115
05.04 50mi USA30th Umstead Endurance Run 50 Miles 14:23:37 h96
01.02 12h USA12th Whispering Pines 12 Hours 72.420 km6
2024
23.11 45mi USA4th Colt 45 Mile Trail Run 12:16:28 h31
26.05 50km USA7th Sweat, Swat 'n Swear! 50 km Run 8:41:16 h46
06.04 50mi USA29th Umstead Endurance Run 50 Miles 13:16:23 h68
2023
18.11 45mi USA3rd Colt 45 Mile Trail Run 12:00:57 h46
06.05 58mi USA5th The Tick 50 Mile Race 16:24:20 h6
01.04 50mi USA28th Umstead Endurance Run 50 Miles 13:00:00 h71
04.03 33mi USA11th Long Play Trail Race 8:31:42 h62
14.01 100mi USA13th Long Haul 100 Mile Ultra-Marathons 28:17:30 h72
2022
19.11 45mi USA2nd Colt 45 Mile Trail Run 10:56:34 h30
03.09 46mi USA9th Pinellas Trail Challenge 12:05:17 h73
02.04 50mi USA27th Umstead Endurance Run 50 Miles 13:17:44 h70
19.03 50km USA7th Swamp 50 km Trail Race 9:11:12 h12
15.01 100mi USA12th Long Haul 100 Mile Ultra-Marathons 29:07:17 h88
2021
20.11 45mi USA1st Colt 45 Mile Trail Run 10:13:20 h19
09.10 50km USA29th John Holmes 50k Trail Run 7:29:47 h48
04.09 46mi USA8th Pinellas Trail Challenge 11:36:58 h74
27.03 50mi USA26th Umstead Endurance Run 50 Miles 12:54:16 h39
2020
16.02 12h USA7th Whispering Pines 12 Hours 76.121 km4
2019
06.04 50mi USA25th Umstead Endurance Run 50 Miles 13:19:09 h66
19.01 100mi USA9th Long Haul 100 Mile Ultra-Marathons 30:54:40 h98
2018
15.12 100mi USA20th Ancient Oaks 100 Mile Run 30:31:59 h13
06.10 50km USA27th John Holmes 50k Trail Run 7:03:48 h29
31.03 50mi USA24th Croom Trail 50 Mile Fools Run 13:13:43 h42
04.03 33mi USA6th Long Play Trail Race 7:34:40 h32
2017
07.10 50km USA26th John Holmes 50k Trail Run 7:48:06 h29
2014
04.01 50km USA4th Croom Zoom 50 km Run 7:37:01 h80
2013
03.03 33mi USA1st Long Play Trail Race 9:05:08 h45