Istvan Ferenczi
Born : 1977 Cat. M45 Ultrarunner since 2018 HUN
23
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
61
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
4
Countries visited ?CZECzechiaGREGreeceHUNHungaryITAItaly
47,3%
Rank quotient ?This runner's calculation uses 23 eligible race(s): Σ(rank − 1) = 1 417; Σ finishers = 2 993. 1 417 / 2 993 × 100 = 47.34%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed42
Km — ultra races4 403 km
> 100 km18
> 160 km14
> 200 km7
> 24h2
> 48h1
Longest race666,0 km

Km per year (ultra races)

162
2 races
2022
597
3 races
2023
1 255
5 races
2024
2025
161
1 race
2026

Race types (share of distance)

Road52,5%
Trail8,6%
Stage32,9%
Elim.5,9%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0

HISTORY

23 race(s) · 12 stage(s) nested
DateRacePerf.Rk
2026
24.04 Backyard Ultra HUNBackyard Ultra Esztergom 160.944 km (24h)26
2024
19.10 115km HUNVI. Ultrabalaton Trail 14:25:33 h37
08.06 66.6km CZEČertovskej Ultratrail 13:44:53 h189
01.06 666km/8stages CZEDevil's Challenge 666 km 4d 14:56:06 h4
03.05 211km HUNXVIII. Ultrabalaton 30:05:10 h127
21–24.03 196km/4stages HUN14. Balaton Szupermaraton 19:15:34 h75
2023
09.06 Backyard Ultra HUN5. 1 Way Ticket Run 100.590 km (15h)37
05.05 211km HUNXVII. Ultrabalaton 210km 29:22:32 h104
14.04 285km ITA9° UltraMilano-Sanremo 285 km 2d 03:10:00 h20
2022
04.06 112km HUNUltra-Trail Hungary 112 km 19:20:26 h154
13.02 50km HUNUltra Grande Amore 4:00:56 h9
2021
19.11 490km GRE6th Authentic Phidippides Run Athens-Sparta-Athens 490 km 3d 23:16:42 h10
01.10 216km HUNXV. Ultrabalaton 216km 25:29:57 h30
06.08 100mi HUNKorinthosz160 Ultramarathon 22:37:43 h57
10.04 100km HUNPFB-OmszkiUltra 100km - Hungaryan Championship 9:33:56 h10
2020
02.10 221km HUNXIV. Ultrabalaton 221km 31:54:51 h87
21.08 100mi HUNKorinthosz160 Ultramarathon 21:25:55 h31
04.07 126km HUNUltra Tisza-tó 126km 17:11:18 h87
05–08.03 196km/4stages HUN13. Balaton Szupermaraton 17:09:23 h32
2019
01.11 85km HUNPiros 85 terepfutó 10:30:59 h54
17.08 81km HUNKorinthosz80 Ultramarathon 8:47:10 h52
21–24.03 196km/4stages HUN12. Balaton Szupermaraton 19:16:47 h97
2018
22–25.03 196km/4stages HUN11. Balaton Szupermaraton 20:15:53 h111