Ariel (אריאל רוזנפלד) Rosenfeld
ID 508905
Born : 1973 Cat. M50 Ultrarunner since 2011 ISR
20
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
51
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
5
Countries visited ?GERGermanyGREGreeceHUNHungaryISRIsraelITAItaly
16,5%
Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 347; Σ finishers = 2 101. 347 / 2 101 × 100 = 16.52%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed20
Km — ultra races3 100 km
> 100 km12
> 160 km12
> 200 km9
> 24h9
> 48h1
Longest race246,0 km
36. Spartathlon — 28/9/2018

Km per year (ultra races)

415
2 races
2022
206
1 race
2023
188
1 race
2024
208
1 race
2025
2026

Race types (share of distance)

Road73,1%
Trail14,1%
Elim.12,8%

Wins & podiums (ultra)

🏆 Win9
🏆 Win M9
🏅 Top 311
🏅 Top 3 M11
Longest winning streak4
Current streak0

Records

50 km3h54'48100 km9h01'20100 mi15h20'4824 h227,65 kmBackyard31 loops

HISTORY

20 race(s) · 4 split(s) nested
DateRacePerf.Rk
2025
26.04 Backyard Ultra HUNBackyard Ultra Esztergom 207.886 km (31h)9
2024
13.07 Backyard Ultra GER4. Laufhaus Backyard Ultra 187.768 km (28h)7
2023
05.01 24h ISR4th Spartanion 24-Hour Race 205.862 km1 🏆
2022
17.09 24h ITA28^ Lupatotissima - 24 ore, 23rd IAU 24H EC 204.601 km111
06.01 24h ISR3rd Spartanion 24-Hour Race 210.283 km1 🏆
2021
12.06 24h GER24h-Lauf Reichenau 73.000 km23
11.03 24h ISR2nd Spartanion 24-Hour Race 217.367 km1 🏆
2020
03.10 24h GER24-h-Challenge der DUV 179.955 km9
09.01 24h ISR1st Spartanion 24-Hour Race 227.650 km1 🏆
2019
10.10 100km ISRBible-Revival Race 100K 11:16:08 h3 🥉
01.02 50km ISR1. Dead Sea Marathon Ein Bokek - 50km 3:54:48 h7
2018
28.09 246km GRE36. Spartathlon 33:28:48 h105
2017
29.09 246km GRE35. Spartathlon 30:11:47 h47
2016
13.08 100mi GER5. Mauerweglauf 100 Meilen Berlin 15:20:48 h1 🏆
2015
25.09 246km GRE33. Spartathlon 30:45:37 h35
17.04 54km ISRRace the Promised Land 54 km Ultra 4:33:49 h2 🥈
2014
22.10 61km ISR5th Ultramarathon Sovev-Emek (Around the Valley) 61 km 4:57:51 h1 🏆
2013
10.10 100km ISR4th Ultramarathon Sovev-Emek (Around the Valley) 100 km 9:01:20 h1 🏆
2012
10.10 60km ISR3rd Ultramarathon Sovev-Emek (Around the Valley) 60 km 4:52:44 h1 🏆
2011
11.11 62km ISR2nd Ultramarathon Sovev-Emek (Around the Valley) 62 km 4:41:16 h1 🏆