Cortney Harding
Born : 1980 Cat. W45 Ultrarunner since 2012 USA
24
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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 ?RSASouth AfricaUSAUnited States
47,6%
Rank quotient ?This runner's calculation uses 24 eligible race(s): Σ(rank − 1) = 4 652; Σ finishers = 9 783. 4 652 / 9 783 × 100 = 47.55%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed24
Km — ultra races1 496 km
> 100 km1
> 24h1
Longest race117,5 km

Km per year (ultra races)

141
2 races
2022
248
3 races
2023
50
1 race
2024
2025
50
1 race
2026

Race types (share of distance)

Road53,1%
Trail46,9%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 31
🏅 Top 3 F3
Longest winning streak0
Current streak0

HISTORY

24 race(s) · 1 split(s) nested
DateRacePerf.Rk
2026
09.05 50km USA31st Dawn to Dusk to Dawn 50K 7:12:42 h8
2024
07.01 50km USA1st Frozen Flamingo 50K 6:59:08 h37
2023
03.12 50km USA4th PPTC 50th Anniversary 50 km Endurance Fest 6:09:29 h30
28.09 24h USA10th NJ One Day 24 Hour Race 117.482 km11
12.08 50mi USA14th Beast of Burden Summer 50 Miler 11:53:22 h10
2022
20.11 60km USA1st BUS Queens 60 Kilo 8:35:51 h15
11.06 12h USA2nd Sri Chinmoy 12 Hour Race Rockland Lake 80.637 km9
2021
16.10 50km USA1st NYCRUNS Prospect Park Marathon 50km 6:45:58 h19
2020
01.03 50km USA18th Caumsett Park 50K Lloyd Neck - Open Race 6:22:43 h30
2019
03.03 50km USA17th Caumsett Park 50K Lloyd Neck - Open Race 5:53:22 h38
2018
17.11 60km USA38th NYRR Knickerbocker 60K 7:20:58 h230
29.04 50mi USA44th Lake Waramaug 50mi Ultra Marathon 10:37:56 h17
04.03 50km USA16th Caumsett Park 50K Lloyd Neck - Open Race 5:27:40 h28
2017
06.05 50mi USA5th Rock The Ridge 50-Mile Endurance Challenge 11:57:57 h75
05.03 50km USA15th Caumsett Park 50K Lloyd Neck - Open Race 5:13:13 h20
2016
11.12 50km USA4th BUS Trail Mix-Up Run 50K 6:22:07 h43
18.06 100km USA5th The Great New York 100 km Running Exposition 15:30:02 h17
14.05 50km USA8th 3 Days at the Fair 50 km Race 5:56:06 h3 🥉
2015
29.08 50km USA9th Green Lakes Endurance Run 50 km 6:18:24 h62
02.05 50mi USA3rd Rock The Ridge 50-Mile Endurance Challenge 10:44:30 h60
12.04 50km USA2nd Cape Cod 50K Trail Race 6:22:13 h19
2014
06.12 50km USA4th NYC Staten Island Trail Festival 50K 7:11:10 h43
18.04 56km road race RSA45th Two Oceans Marathon 5:54:04 h3829
2012
08.12 50km USA2nd NYC Staten Island Trail Festival 50K 6:39:35 h23