Reid Jonczak
ID 869003
Born : 1974 Cat. M50 Ultrarunner since 2016 USA
26
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
32
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
57,3%
Rank quotient ?This runner's calculation uses 26 eligible race(s): Σ(rank − 1) = 874; Σ finishers = 1 526. 874 / 1 526 × 100 = 57.27%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed26
Km — ultra races1 475 km
Longest race100,0 km
10th New Jersey Ultra Festival 100 km Race — 6/4/2019

Km per year (ultra races)

181
3 races
2022
100
2 races
2023
2024
260
5 races
2025
101
2 races
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0

Records

50 km5h24'00100 km15h58'1050 mi11h50'1812 h80,63 km

HISTORY

26 race(s)
DateRacePerf.Rk
2026
25.07 12h USA7th The Squatchung Surprise 12 Hour Race 50.694 km40
16.05 50km USA2nd Trails To the Sky 7:56:14 h14
2025
18.10 50km USA6th MuleSkinner Endurance 50 km Race 5:50:00 h20
27.09 50km USA11th Water Gap 50 km Race 5:24:00 h12
23.08 50km USA18th Green Lakes Endurance Run 50 km 6:40:27 h25
26.07 12h USA6th The Squatchung Surprise 12 Hour Race 59.948 km23
22.06 12h USA1st Reckless Red Eye Endurance Run 49.889 km20
2023
28.10 50km USA2nd WXT Ultra 7:42:22 h45
26.08 50km USA16th Green Lakes Endurance Run 50 km 6:23:26 h16
2022
15.10 50km USA3rd MuleSkinner Endurance 50 km Race 5:59:28 h14
27.08 50km USA15th Green Lakes Endurance Run 50 km 6:09:53 h24
25.06 12h USA2nd Midnight Squatchapalooza 12 Hour Race 80.628 km13
2021
27.06 12h USA1st Midnight Squatchapalooza 12 Hour Race 72.420 km18
08.05 50km USA11th Dirty German Endurance Fest 50 km 6:46:12 h132
2020
12.09 50km USA6th Water Gap 50 km Race 6:42:00 h41
2019
07.09 50km USA5th Water Gap 50 km Race 6:02:29 h61
06.04 100km USA10th New Jersey Ultra Festival 100 km Race 15:58:10 h1 🏆
2018
25.11 50km USA1st Dirty Bird Trail Run 6:50:27 h17
13.10 50km USA4th Water Gap 50 km Race 5:36:52 h55
25.08 50km USA12th Green Lakes Endurance Run 50 km 5:59:05 h30
21.07 50mi USA6th Cayuga Trails 50 Mile Race 13:54:12 h109
31.03 50mi USA2nd Naked Prussian 50 Miler 11:50:18 h53
2017
30.09 50km USA3rd Water Gap 50 km Race 5:40:48 h24
27.08 50km USA11th Green Lakes Endurance Run 50 km 5:58:01 h41
20.05 50km USA8th Mayapple 50 km Trail Run 7:11:00 h7
2016
08.10 50km USA2nd Water Gap 50 km Race 5:43:21 h45