Konstantin (Атанасов Константин) Atanasov
Born : 1981 Cat. M45 Ultrarunner since 2011 BUL
46
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
57
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
12
Countries visited ?ANDAndorraBULBulgariaCROCroatiaFRAFranceGREGreeceHKGHong KongITAItalyMKDNorth MacedoniaSRBSerbiaSUISwitzerlandTURTürkiyeUSAUnited States
20,4%
Rank quotient ?This runner's calculation uses 46 eligible race(s): Σ(rank − 1) = 3 290; Σ finishers = 16 123. 3 290 / 16 123 × 100 = 20.41%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed46
Km — ultra races4 971 km
> 100 km19
> 160 km7
> 200 km1
Longest race330,0 km

Km per year (ultra races)

120
1 race
2022
53
1 race
2023
300
3 races
2024
153
1 race
2025
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 38
🏅 Top 3 M10
Longest winning streak0
Current streak0

HISTORY

46 race(s)
DateRacePerf.Rk
2025
25.08 153km ITA15ème Sur les Traces des Ducs de Savoie 36:28:36 h605
2024
20.07 101km SUI12. Eiger Ultra Trail 101 km 22:50:32 h337
30.06 99km BUL41. Vitosha 100 km Mountain Super Trail 12:54:29 h121
10.02 99.9km USA11th Black Canyon Trail 100 km Run 13:38:22 h235
2023
17.06 53km FRASamoëns Trail Tour - Trail des Frahans 8:30:22 h94
2022
24.06 120km ITA15^ Lavaredo Ultra Trail by UTMB - 120K 19:11:24 h208
2021
08.10 162km GREVirgin Forest Ultra Trail (VFUT) 100 Miles 27:39:06 h5
25.09 85km BULК3 Ultra - Gold Border Race 85 km 11:00:37 h3 🥉
09.09 167km CRO9th 100 Miles of Istria 24:39:08 h7
26.06 80km ITA2^ Ultra Dolomites 14:35:04 h302
25.04 74km BULKodzha Kaya - Black Course 10:22:29 h6
2020
26.07 99km BULVitosha 100 km Mountain Super Trail 9:27:23 h7
2019
16.08 164km BULPersenk Ultra 160 22:45:27 h2 🥈
28.06 120km ITA13^ Lavaredo Ultra Trail by UTMB - 120K 17:40:39 h92
12.05 73km BULKodzha Kaya - Black Course 10:25:18 h2 🥈
19.01 100km HKG9th Hong Kong 100 Ultra Trail Race 14:01:32 h42
2018
09.09 330km ITA9° Tor des Géants - 330 km Endurance Trail della Valle d'Aosta 4d 16:18:49 h84
17.08 157.1km BULPersenk Ultra 160 23:49:25 h2 🥈
06.07 170km ANDAndorra Ultra Trail - Ronda dels cims 170 km 38:52:02 h16
02.06 108km SRB6. Ultra-Trail Stara Planina, Kopren 108 km 15:59:05 h4
20.05 52km BULMountain Marathon Sliven - 52km 6:00:55 h5
2017
21.10 114km TUR4th Cappadocia 114 km Ultra-Trail 18:46:36 h60
07.10 81.4km BUL1. Belasitsa Sky Run 10:46:38 h2 🥈
22.09 110km MKD5th Krali Marko Ultra Trail 110km 15:26:49 h4
09.09 55km BULAdventure Sky Run 10:26:37 h23
19.08 53km BULOrehovo Ultra 50 5:47:11 h4
06.08 86.3km BULUltra-Trail Vitosha - Chepelarski Tarkala 10:56:34 h9
30.06 100km GRE6th Olympus Mythical Trail 100K 19:10:40 h8
10.06 99km BULVitosha 100 km Mountain Super Trail 12:38:52 h42
07.05 54km BULMountain Marathon Sliven - 54km 6:11:51 h7
07.04 108.4km CRO5th 110 km of Istria 18:34:11 h87
2016
24.09 90km MKD4th Krali Marko Ultra Trail 90km 13:04:14 h3 🥉
02.07 100km GRE5th Olympus Mythical Trail 100K 21:06:43 h29
18.06 90km BULVitosha 100 km Mountain Super Trail 10:11:57 h24
2015
26.09 65km MKD3rd Krali Marko Trail 65km 7:53:19 h3 🥉
28.08 170km FRA13ème Ultra Trail Tour du Mont Blanc 32:57:57 h202
13.06 90km BULVitosha 100 km Mountain Super Trail 8:48:56 h4
2014
12.10 65km MKD2nd Krali Marko Trail 60km 8:28:06 h3 🥉
29.08 168km FRA12ème Ultra Trail Tour du Mont Blanc 36:19:37 h355
27.06 119km ITA8^ Lavaredo Ultra Trail by UTMB - 120K 20:24:23 h158
14.06 90km BULVitosha 100 km Mountain Super Trail 10:59:12 h24
2013
26.10 106km GREVirgin Forest Nature Trail 106 km 15:47:55 h9
14.09 120km BULPersenk Ultra 21:40:26 h6
21.06 90km BULVitosha 100 km Mountain Super Trail 10:00:03 h10
2012
25.06 90km BULVitosha 100 km Mountain Super Trail 12:45:00 h36
2011
02.07 90km BULVitosha 100 km Mountain Super Trail 18:34:46 h45