Anthony Tadajewski

Born : 1977 Cat. M45 Ultrarunner since 2014

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

United States

49,8%

Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 935; Σ finishers = 1 876. 935 / 1 876 × 100 = 49.84%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed20

Km — ultra races2 285 km

> 100 km6

> 160 km5

> 200 km3

> 24h1

Longest race402,3 km

2nd Cocodona 250 Mile Race — 2/5/2022

Km per year (ultra races)

483

2022

505

2023

164

2024

159

2025

2026

Race types (share of distance)

Road14,8%

Trail68,6%

Elim.16,7%

Wins & podiums (ultra)

🏆 Win3

🏆 Win M3

🏅 Top 33

🏅 Top 3 M5

Longest winning streak2

Current streak0

Records

50 km5h02'27 50 mi9h38'20 100 mi27h33'25 6 h69,50 km 12 h83,65 km 24 h184,15 km

HISTORY

20 race(s)

Date		Race	Perf.	Rk
2025
25.10	159.2km	23rd Javelina Jundred 100 Mile Endurance Run	27:33:25 h	345
2024
09.03	50mi	15th Mesquite Canyon 50 Mile	14:27:00 h	28
17.02	12h	11th Jackpot Ultra Running Festival 12 Hour Race	83.650 km	4
2023
03.05	125mi	3rd Cocodona 125 Mile Race	2d 08:43:12 h	29
11.03	50mi	14th Mesquite Canyon 50 Mile	13:24:03 h	15
19.02	60.2km	10th Black Canyon Trail 60 km Run	10:23:58 h	278
01.01	33:30h	38th Across the Years, Last Person Standing	163.541 km	5
2022
02.05	250mi	2nd Cocodona 250 Mile Race	4d 21:03:21 h	115
05.03	50mi	13th Mesquite Canyon 50 Mile	12:29:09 h	20
2021
06.02	50mi	9th Elephant Mountain 50 Mile	11:39:53 h	22
16.01	52mi	11th Coldwater Rumble 52 Mile Race	10:52:41 h	16
2020
05.09	54km	5th Flagstaff Extreme Big Pine 54K Trail Run	6:31:23 h	9
04.01	32:15h	35th Across The Years, Last Person Standing	217.522 km	1 🏆
2018
31.12	24h	34th Across the Years, 24h	184.154 km	4
18.08	6h	2nd Jackrabbit Jubilee 6 Hour Run	69.500 km	1 🏆
2015
27.06	54km	3rd Insomniac Night Trail Run Series - Hypnosis 54k	6:07:22 h	1 🏆
28.03	50km	23rd Crown King Scramble 50K	5:47:27 h	39
14.03	50km	6th Mesquite Canyon 50 km	5:27:42 h	8
10.01	50km	5th San Tan Scramble 50K	5:02:27 h	8
2014
06.12	50mi	5th McDowell Mountain Frenzy 50 Mile	9:38:20 h	7

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	2/5/2022	2nd Cocodona 250 Mile Race	402,34	×9
✓ 2	4/1/2020	35th Across The Years, Last Person Standing	217,52	×5
✓ 3	3/5/2023	3rd Cocodona 125 Mile Race	201,17	×4
✓ 4	31/12/2018	34th Across the Years, 24h	184,15	×4
✓ 5	1/1/2023	38th Across the Years, Last Person Standing	163,54	×3
✓ 6	25/10/2025	23rd Javelina Jundred 100 Mile Endurance Run	159,20	×3
✓ 7	16/1/2021	11th Coldwater Rumble 52 Mile Race	83,69	×1
✓ 8	17/2/2024	11th Jackpot Ultra Running Festival 12 Hour Race	83,65	×1
✓ 9	9/3/2024	15th Mesquite Canyon 50 Mile	80,47	×1
✓ 10	11/3/2023	14th Mesquite Canyon 50 Mile	80,47	×1
✓ 11	5/3/2022	13th Mesquite Canyon 50 Mile	80,47	×1
✓ 12	6/2/2021	9th Elephant Mountain 50 Mile	80,47	×1
✓ 13	6/12/2014	5th McDowell Mountain Frenzy 50 Mile	80,47	×1
✓ 14	18/8/2018	2nd Jackrabbit Jubilee 6 Hour Run	69,50	×1
✓ 15	19/2/2023	10th Black Canyon Trail 60 km Run	60,20	×1
✓ 16	5/9/2020	5th Flagstaff Extreme Big Pine 54K Trail Run	54,00	×1
✓ 17	27/6/2015	3rd Insomniac Night Trail Run Series - Hypnosis 54k	54,00	×1
✓ 18	28/3/2015	23rd Crown King Scramble 50K	50,00	×1
✓ 19	14/3/2015	6th Mesquite Canyon 50 km	50,00	×1
✓ 20	10/1/2015	5th San Tan Scramble 50K	50,00	×1