Greg Zinner
ID 447520
Born : 1974 Cat. M50 Ultrarunner since 2013 USA
32
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
48
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
2
Countries visited ?ITAItalyUSAUnited States
41,7%
Rank quotient ?This runner's calculation uses 33 eligible race(s): Σ(rank − 1) = 1 064; Σ finishers = 2 554. 1 064 / 2 554 × 100 = 41.66%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed33
Km — ultra races2 776 km
> 100 km10
> 160 km4
> 24h1
Longest race160,9 km
11th Southern Tour 100 Mile Ultra Race — 16/1/2026

Km per year (ultra races)

627
8 races
2022
421
5 races
2023
356
4 races
2024
309
4 races
2025
264
2 races
2026

Race types (share of distance)

Road9,0%
Trail76,2%
Elim.14,7%

Wins & podiums (ultra)

🏆 Win3
🏆 Win M6
🏅 Top 312
🏅 Top 3 M13
Longest winning streak1
Current streak0

Records

50 km3h53'28100 km12h21'4750 mi9h06'31100 mi21h42'2312 h104,61 kmBackyard19 loops

HISTORY

33 race(s)
DateRacePerf.Rk
2026
18.04 103km ITA13. Tuscany Crossing TC103K 18:04:46 h162
16.01 100mi USA11th Southern Tour 100 Mile Ultra Race 26:33:18 h17
2025
22.11 16h USA3rd The 16 Hour Lock-In 108.630 km3 🥉
15.11 12h USA1st The Witching Hours 89.801 h3 🥉
17.05 100km USA1st AGAPE 19:04:12 h13
08.02 100km USA12th Black Canyon Trail 100 km Run 16:36:23 h567
2024
09.11 50km USA1st Goose Creek Trail Run & Hike 5:31:31 h6
14.09 40mi USA2nd Sugg Farm Ultra 7:53:39 h10
06.04 100mi USA29th Umstead Endurance Run 100 Miles 23:38:22 h76
19.01 50mi USA9th Southern Tour 50 Mile Ultra Race 9:33:35 h17
2023
18.11 16h USA1st The 16 Hour Lock-In 101.388 km1 🏆
07.10 100mi USA7th Canal Corridor 100 Mile Endurance Run 21:42:23 h34
16.09 10:20h USA2nd The Final Countdown Ultra 55.651 km6
15.04 50km USA6th Shore2Shore Trail Race 5:34:44 h40
11.03 33mi USA3rd Squatchapple 33 Mile Race 6:18:13 h10
2022
10.12 12h USA9th The Nutcracker 12 Hour Endurance Run 104.607 km4
12.11 50mi USA13th Stone Mill 50 Mile Run 10:36:08 h41
22.10 50km USA1st Robin Ames Memorial Races 4:57:31 h2 🥈
08.10 50mi USA10th Tesla Hertz Run 50 Miles 9:06:31 h4
17.09 11:40h USA2nd The Final Countdown Ultra 53.591 km10
21.05 Backyard Ultra USA2nd Keystone Backyard Ultra 127.414 km (19h)3 🥉
09.04 50km USA1st The Hydra 4:54:30 h1 🏆
20.01 50mi USA7th Southern Tour 50 Mile Ultra Race 9:21:34 h2 🥈
2021
16.10 100mi USA5th Allison Woods Halloween Hobble 100 Mile Endurance Run 23:33:00 h2 🥈
18.09 07:35h USA1st The Final Countdown Ultra 57.791 km2 🥈
22.05 Backyard Ultra USA1st Keystone Backyard Ultra 114.002 km (17h)8
20.03 100km USA1st Mission 100km Race 12:21:47 h2 🥈
2020
10.10 12h USA4th Allison Woods Halloween Hobble 12 Hour Endurance Run 90.123 km1 🏆
18.01 50km USA5th Southern Tour 50 km Ultra Race 3:53:28 h2 🥈
2015
05.09 30mi USA10th Iron Mountain 30 Mile Trail Run 5:32:38 h11
2014
30.08 50mi USA9th Iron Mountain 50 Mile Trail Run 10:30:54 h25
09.02 50km USA8th Gator Trail 50 km 4:17:37 h4
2013
31.08 30mi USA8th Iron Mountain 30 Mile Trail Run 5:02:56 h8