Joan Cook
ID 78031
Born : 1962 Cat. W60 Ultrarunner since 2007 USA
43
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
83
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
54,6%
Rank quotient ?This runner's calculation uses 45 eligible race(s): Σ(rank − 1) = 3 067; Σ finishers = 5 616. 3 067 / 5 616 × 100 = 54.61%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed45
Km — ultra races9 438 km
> 100 km22
> 160 km21
> 200 km16
> 24h15
> 48h13
Longest race684,0 km
11th 3 Days at the Fair 10 Days Race — 9/5/2019

Km per year (ultra races)

946
2 races
2022
930
2 races
2023
241
2 races
2024
1 051
3 races
2025
939
2 races
2026

Race types (share of distance)

Road86,8%
Trail13,2%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F3
🏅 Top 31
🏅 Top 3 F17
Longest winning streak0
Current streak0

Records

50 km6h36'05100 km14h48'0650 mi9h47'32100 mi25h45'356 h48,28 km12 h86,90 km24 h140,38 km48 h185,07 km6 d460,27 km

HISTORY

45 race(s) · 8 split(s) nested
DateRacePerf.Rk
2026
09.07 500km USA21st Last Annual Vol-State 500K Endurance Run 6d 22:13:51 h33
11.05 6d USA18th 3 Days at the Fair 6 Days Race 439.350 km10
2025
11.10 24h USA6th Hainesport Hundred 24 Hour Endurance Run Summer 140.383 km4
10.07 500km USA20th Last Annual Vol-State 500K Endurance Run 7d 01:58:00 h20
12.05 6d USA17th 3 Days at the Fair 6 Days Race 410.382 km10
2024
12.10 100mi USA5th Hainesport Hundred 100 Mile Endurance Run Summer 25:45:35 h4
13.07 50mi USA18th Viaduct Trail Ultramarathon 50 Mile 12:33:00 h9
2023
13.07 500km USA18th Last Annual Vol-State 500K Endurance Run 7d 10:10:53 h44
08.05 6d USA15th 3 Days at the Fair 6 Days Race 429.694 km16
2022
14.07 500km USA17th Last Annual Vol-State 500K Endurance Run 8d 06:54:19 h55
09.05 6d USA14th 3 Days at the Fair 6 Days Race 445.788 km13
2021
31.12 100mi USA2nd Hainesport Hundred 100 Mile Endurance Run 26:31:09 h12
11.09 50mi USA10th Pine Creek Challenge 50 Miles 10:55:43 h13
10.07 50mi USA15th Viaduct Trail Ultramarathon 50 Mile 12:06:05 h15
10.05 6d USA13th 3 Days at the Fair 6 Days Race 460.272 km22
2020
28.09 6d USA12th 3 Days at the Fair 6 Days Race 410.382 km13
21.03 50mi USA2nd Get Lucky 50 Mile Trail Race 10:44:08 h11
2019
07.09 50km USA5th Ted Corbitt 50 km 6:36:05 h17
07.09 100km USA5th Ted Corbitt 100 km 14:48:06 h21
07.09 100mi USA5th Ted Corbitt 100 Mile 25:54:21 h5
13.07 50mi USA13th Viaduct Trail Ultramarathon 50 Mile 12:55:00 h12
09.05 10d USA11th 3 Days at the Fair 10 Days Race 683.971 km9
2018
10.11 6h USA6th NJ One Day 6 Hour Race 48.280 km3 🥉
28.07 50mi USA12th Viaduct Trail Ultramarathon 50 Mile 12:41:00 h6
14.05 6d USA10th 3 Days at the Fair 6 Day Race 386.242 km20
2017
22.07 6h USA4th Montour 24 Endurance Runs - 6hrs run 45.866 km8
15.05 6d USA9th 3 Days at the Fair 6 Day Race 429.694 km18
2016
11.11 12h USA4th NJ One Day 12 Hour Race 86.904 km6
23.07 12h USA3rd Montour 24 Endurance Runs - 12hrs day run 70.006 km12
13.05 48h USA8th 3 Days at the Fair 48 Hour Race 185.074 km15
2015
07.11 12h USA3rd NJ One Day 12 Hour Race 85.295 km6
14.05 72h USA7th 3 Days at the Fair 72 Hour Race 218.870 km42
21.03 50km USA6th New Jersey Ultra Festival 50 km Race 6:45:55 h27
2014
22.11 50mi USA52nd JFK 50 Mile 10:58:04 h582
15.05 72h USA6th 3 Days at the Fair 72 Hour Race 241.401 km31
2013
16.05 72h USA4th 3 Days at the Fair 72 Hour Race 217.261 km25
23.03 50mi USA4th New Jersey Ultra Festival 50 Mile Race 11:13:49 h32
2011
04.09 12h USA2nd Labor Pain 12 Hour Endurance Trail Run 49.889 km121
13.05 48h USA2nd 3 Days at the Fair 48 Hour Race 161.517 km17
2010
16.10 50mi USA11th Tussey Mountainback 50 Miler 9:47:32 h61
06.05 30mi USA2nd Peak Ultra 30 Mile Endurance Run 10:18:00 h26
2009
21.11 50mi USA47th JFK 50 Mile 11:00:25 h630
18.07 24h USA1st Lone Ranger 24 hr Ultra-Marathon 95.260 km71
2008
22.11 50mi USA46th JFK 50 Mile 10:50:53 h504
2007
17.11 50mi USA45th JFK 50 Mile 10:18:59 h481