John Parker
ID 630352
Born : 1985 Cat. M40 Ultrarunner since 2007 USA
26
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
46
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
21,7%
Rank quotient ?This runner's calculation uses 26 eligible race(s): Σ(rank − 1) = 173; Σ finishers = 796. 173 / 796 × 100 = 21.73%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed26
Km — ultra races2 618 km
> 100 km12
> 160 km4
> 24h9
Longest race164,2 km
7th Jupiter Ridge Sand Spur 102 Miles — 29/12/2023

Km per year (ultra races)

349
3 races
2022
890
8 races
2023
115
1 race
2024
273
3 races
2025
325
3 races
2026

Race types (share of distance)

Road8,2%
Trail59,8%
Elim.32,0%

Wins & podiums (ultra)

🏆 Win5
🏆 Win M5
🏅 Top 313
🏅 Top 3 M13
Longest winning streak2
Current streak0

Records

50 km4h01'38100 km11h29'0050 mi9h04'05100 mi19h59'0812 h86,84 km24 h109,76 kmBackyard20 loops

HISTORY

26 race(s)
DateRacePerf.Rk
2026
25.04 50km USA10th Dunes 100 - 50 km Run 5:13:22 h6
21.03 100mi USA4th Hungryland 100 28:20:42 h5
07.02 Backyard Ultra USA8th Death at DuPuis Backyard Ultra 114.002 km (17h)14
2025
13.09 50km USA10th Riverbend Park 50 km Ultra 4:01:38 h1 🏆
26.07 80mi USA4th The Trident 19:54:53 h12
02.02 Backyard Ultra USA7th Death at DuPuis Backyard Ultra 93.884 km (14h)18
2024
23.03 71.5mi USA2nd Hungryland 100 - 71.5mi 19:56:54 h2 🥈
2023
29.12 102mi USA7th Jupiter Ridge Sand Spur 102 Miles 15:45:03 h1 🏆
18.11 Backyard Ultra USA2nd Last of The Felascans 134.120 km (20h)3 🥉
28.10 100km USA1st Lake to Ocean 100K Winter Edition 13:35:00 h2 🥈
30.09 12h USA9th Tick Tock 12 Hour Ultra Florida 86.840 km8
03.06 100km USA9th Lake To Ocean 100K 11:29:00 h1 🏆
22.04 50km USA7th Dunes 100 - 50 km Run 4:15:16 h1 🏆
25.03 100mi USA1st Hungryland 100 25:17:37 h6
11.02 Backyard Ultra USA5th Death at DuPuis Backyard Ultra 93.884 km (14h)8
2022
10.09 Backyard Ultra USA1st Last of The Felascans 127.414 km (19h)3 🥉
12.02 Backyard Ultra USA4th Death at DuPuis Backyard Ultra 60.354 km (9h)15
05.02 100mi USA2nd Forgotten Florida 100 Mile Race 19:59:08 h3 🥉
2021
04.12 24h USA2nd The Tennessee Mile 24 Hour Run 109.757 km3 🥉
01.08 Backyard Ultra USA3rd Bob's Big Timber Backyard Ultra 107.296 km (16h)17
2019
02.11 50mi USA4th Natchez Trace Trail Run 9:04:05 h1 🏆
04.05 Backyard Ultra USA1st Bob's Big Timber Backyard Ultra 107.296 km (16h)22
2017
21.10 40mi USA13th Triple Lakes Trail Race 7:09:47 h3 🥉
2016
05.11 43mi USA1st Natchez Trace Trail Run 10:06:10 h3 🥉
2011
15.10 40mi USA7th Triple Lakes Trail Race 6:11:23 h5
2007
06.10 40mi USA3rd Triple Lakes Trail Race 8:18:46 h36