John Surdyk
ID 24227
Born : 1955 Cat. M70 Ultrarunner since 1979 USA
57
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
98
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 ?CANCanadaUSAUnited States
61,6%
Rank quotient ?This runner's calculation uses 69 eligible race(s): Σ(rank − 1) = 4 347; Σ finishers = 7 056. 4 347 / 7 056 × 100 = 61.61%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed132
Km — ultra races13 302 km
> 100 km27
> 160 km12
> 200 km10
> 24h40
> 48h13
Longest race4 724,7 km
Trans America Footrace I — 20/6/1992

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road56,2%
Trail6,8%
Stage35,5%
?1,4%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M3
Longest winning streak0
Current streak0

Records

50 km4h21'16100 km9h01'1050 mi7h06'44100 mi29h10'5124 h124,63 km48 h185,59 km6 d539,20 km

HISTORY

71 race(s) · 6 split(s) nested
DateRacePerf.Rk
2021
30.12 55h USA9th Snowdrop Ultra 55 Hour Race 74.449 km111
18.06 48h USA4th Six Days in the Dome - The Redux 48h 104.655 km16
2019
30.12 55h USA7th Snowdrop Ultra 55 Hour Race 89.998 km136
24.08 50km USA2nd Six Days in the Dome - The Redux 24h Day 2 - 50km Split 12:17:56 h28
24.08 50mi USA2nd Six Days in the Dome - The Redux 24h Day 2 - 50mi Split 21:57:07 h23
24.08 24h USA2nd Six Days in the Dome - The Redux 24h Day 2 87.360 km22
15.06 50km CAN27th Niagara Ultra 50 km 8:17:29 h141
2018
30.12 55h USA6th Snowdrop Ultra 55 Hour Race 99.779 km112
22.09 24h USA12th North Coast 24 Hour Endurance Run 71.310 km102
2017
30.12 55h USA5th Snowdrop Ultra 55 Hour Race 104.607 km111
16.09 24h USA11th North Coast 24 Hour Endurance Run 58.209 km121
2016
09.04 24h USA3rd 1 Day for the K.I.A. 57.212 km34
2015
19.09 24h USA9th North Coast 24 Hour Endurance Run 78.359 km140
2014
20.09 24h USA8th North Coast 24 Hour Endurance Run 88.505 km101
03.05 24h USA33rd Cornbelt Running Club 24 Hour Run 109.033 km14
2013
26.10 24h USA5th 24H The Hard Way 92.859 km85
21.09 24h USA7th North Coast 24 Hour Endurance Run 98.835 km67
04.05 24h USA32nd Cornbelt Running Club 24 Hour Run 89.833 km29
20.04 24h USA6th North Coast 24 Hour Endurance Run Spring 91.404 km28
2012
22.09 24h USA5th North Coast 24 Hour Endurance Run 92.855 km53
06.05 24h USA4th North Coast 24 Hour Endurance Run Spring 102.917 km56
2011
17.09 24h USA3rd North Coast 24 Hour Endurance Run - Open race 103.400 km114
30.04 24h USA30th Cornbelt Running Club 24 Hour Run 61.380 km35
2010
18.09 24h USA2nd North Coast 24 Hour Endurance Run 107.271 km96
2009
31.10 50km USA10th Chicago Lakefront Fall 50km Race 6:58:35 h143
2007
29.12 72h USA25th Across the Years, 72h 250.000 km21
05.05 24h USA26th Cornbelt Running Club 24 Hour Run 101.614 km25
2006
06.05 24h USA25th Cornbelt Running Club 24 Hour Run 103.239 km24
08.04 50km USA7th Chicago Lakefront Spring 50km Race 6:37:55 h94
2005
30.04 24h USA24th Cornbelt Running Club 24 Hour Run 121.939 km17
02.04 50km USA6th Chicago Lakefront Spring 50km Race 6:47:59 h99
2004
01.05 24h USA23rd Cornbelt Running Club 24 Hour Run 102.016 km30
03.04 50km USA5th Chicago Lakefront Spring 50km Race 5:41:30 h45
2003
05.04 50km USA4th Chicago Lakefront Spring 50km Race 6:46:57 h94
2002
11.05 50mi USA21th Ice Age Trail 50 Mile Run 11:19:17 h188
06.04 50km USA3rd Chicago Lakefront Spring 50km Race 5:30:53 h68
2001
15.09 24h USA11th Olander Park 24 Hour Run 100.080 km100
2000
24.11 48h USA1st Ultracentric 48 Hour Run 185.589 km11
16.09 24h USA10th Olander Park 24 Hour Run 96.569 km102
1999
26.12 6d USA17th Across the Years, 6 days 539.200 km3 🥉
04.12 50mi USA10th Sunmart Texas Trails 50 Mile 9:38:02 h149
25.09 50km USA5th Flatrock 50K 7:51:24 h28
1998
29.12 72h USA16th Across the Years, 72h 286.800 km4
19.09 24h USA8th Olander Park 24 Hour Run 122.830 km63
1997
29.12 72h USA15th Across the Years, 72h 264.000 km4
26.09 24h USA7th Olander Park 24 Hour Run 102.960 km108
28.06 24h USA8th FANS 24 Hour Runs 56.970 km100
12.04 100km USA4th GNC 100 km Run Challenge 12:16:55 h43
1996
29.12 72h USA14th Across the Years, 72h 276.400 km3 🥉
14.09 24h USA6th Olander Park 24 Hour Run 124.627 km63
1994
20.08 50km USA1st Machickanee 50 km Trail Run 4:58:08 h11
1993
15.05 50mi USA12th Ice Age Trail 50 Mile Run 10:46:19 h225
1992
20.06 2935.8mi/64stages USATrans America Footrace I 28d 23:30:41 h12
03.05 7d USA5th Sri Chinmoy 7 Day Race 535.911 km15
1991
06.09 24h USA2nd Olander Park 24 Hour Run 119.259 km23
06.05 7d USA4th Sri Chinmoy 7 Day Race 572.926 km13
1990
29.12 6d USA1st Gibson Ranch 6-Day Classic 486.021 km16
17.06 6d USA11th Painzone Six Day (Weston Six Day) 257.495 km23
19.05 50mi USA9th Ice Age Trail 50 Mile Run 8:11:30 h20
1989
20.05 50mi USA8th Ice Age Trail 50 Mile Run 8:12:51 h39
1988
02.06 50mi USA7th Ice Age Trail 50 Mile Run 9:37:40 h88
1987
26.09 100mi USA2nd Angeles Crest 100 Mile 29:10:51 h21
1986
12.10 50km USAAMJA 50 km Ultramarathon 4:21:16 h41
12.10 50mi USAAMJA 50 Mile Ultramarathon 7:06:44 h22
12.10 100km USAAMJA 100 km Ultramarathon 9:01:10 h5
1985
13.10 50mi USAAMJA 50 Mile Ultramarathon 7:31:37 h41
18.05 50mi USA4th Ice Age Trail 50 Mile Run 10:20:53 h103
1983
02.10 50mi USAAMJA 50 Mile Ultramarathon 9:01:27 h116
22.05 50mi USA2nd Ice Age Trail 50 Mile Run 9:28:45 h45
1982
03.10 50mi USAAMJA 50 Mile Ultramarathon 8:17:53 h127
1979
13.10 50mi USA1st AMJA 50 Mile Ultramarathon 9:47:47 h57