Sergey Ionov
ID 700120
Born : 1987 Cat. M35 Ultrarunner since 2015 GBR
36
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
62
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
10
Countries visited ?CROCroatiaESPSpainFRAFranceGBRUnited KingdomGREGreeceITAItalyMARMoroccoRUSRussiaSUISwitzerlandUSAUnited States
11,9%
Rank quotient ?This runner's calculation uses 36 eligible race(s): Σ(rank − 1) = 2 747; Σ finishers = 23 094. 2 747 / 23 094 × 100 = 11.89%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed41
Km — ultra races5 104 km
> 100 km22
> 160 km16
> 200 km10
> 24h1
Longest race257,0 km
31. Marathon des Sables — 10/4/2016

Km per year (ultra races)

100
1 race
2022
50
1 race
2023
82
1 race
2024
320
3 races
2025
378
2 races
2026

Race types (share of distance)

Road25,4%
Trail69,6%
Stage5,0%

Wins & podiums (ultra)

🏆 Win3
🏆 Win M3
🏅 Top 39
🏅 Top 3 M9
Longest winning streak1
Current streak0

Records

50 km11h18'58100 km9h12'5250 mi7h10'00100 mi17h09'2724 h51,60 km

HISTORY

36 race(s) · 1 split(s) nested
DateRacePerf.Rk
2026
27.07 135mi USA40th Badwater Ultramarathon 25:16:07 h9
02.05 100mi GBR14th Thames Path 100 17:09:27 h2 🥈
2025
12.07 76km SUI16ème Trail Verbier Saint-Bernard by UTMB - X-Traversée 15:41:58 h426
03.05 100mi GBR14th Thames Path 100 19:10:08 h15
22.03 82.7km FRA17ème EcoTrail de Paris - Ile de France 8:22:40 h235
2024
30.11 82km FRA70ème La SaintéLyon 9:33:46 h661
2023
16.09 50km USA10th The Barkley Fall Classic 11:18:58 h36
2022
21.05 100km ITA48^ 100 km del Passatore, Firenze-Faenza 9:32:24 h42
2021
28.08 130mi GBR7th Leeds & Liverpool Canal Race 130 mile 23:41:00 h1 🏆
19.07 135mi USA35th Badwater Ultramarathon 26:49:06 h3 🥉
2019
27.09 246km GRE37. Spartathlon 30:02:16 h24
07.09 100km GBRThames Path Challenge 10:33:51 h18
25.05 145mi GBR25th Grand Union Canal Race 145 mile 28:17:00 h2 🥈
13.04 132km GBRThe Oner Ultra Trail Run 132km 19:27:22 h11
16.03 80km FRA12ème EcoTrail de Paris - Ile de France 8:36:10 h238
2018
23.07 135mi USA32nd Badwater Ultramarathon 32:24:52 h13
26.05 145mi GBR24th Grand Union Canal Race 145 mile 26:20:00 h2 🥈
06.04 168km CRO6th 100 Miles of Istria 27:31:33 h44
2017
20.10 120km ITAUltra Trail Lago d'Orta (UTLO) 120 km 23:32:49 h63
16.09 24h GBR27th Self-Transcendence 24 Hour Track Race Tooting Bec 51.600 km44
27.05 145mi GBR23rd 145 mile Grand Union Canal Race 24:54:00 h1 🏆
29.04 100mi GBR6th Thames Path 100 17:31:02 h10
15.04 50mi GBRLiverpool to Manchester (L2M) Ultra 7:10:00 h7
24.02 125km ESPTransgrancanaria 125 km 21:11:46 h156
2016
03.12 45.4mi GBRCoastal Trail Series - Dorset Ultra Plus 9:13:46 h17
26.11 50mi GBR1st Wendover Woods 50 11:21:09 h53
30.09 246km GRE34. Spartathlon 27:27:53 h15
29.07 100mi GBRLakeland 100 Mile 27:34:17 h34
24.07 100km RUSGolden Ring 100 km Ultra Trail 12:14:05 h47
18.06 111km GBR5th The Wall Ultra Run 111 km nonstopp 10:45:13 h3 🥉
10.04 257km/6stages MAR31. Marathon des Sables 30:52:45 h41
2015
22.10 167km FRA23ème Grand Raid Réunion - La Diagonale des Fous 40:38:06 h237
12.09 100km GBRThames Path Challenge 9:12:52 h1 🏆
25.07 64km ITA2° Etna Trail 11:01:10 h59
18.07 101km SUI3. Eiger Ultra Trail 101 km 19:10:47 h211
02.05 106km GBRIsle of Wight Challenge 11:44:49 h2 🥈