Bob Bock
Born : 1955 Cat. M70 Ultrarunner since 2010 NED
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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 ?BELBelgiumGERGermanyNEDNetherlandsNORNorway
64,0%
Rank quotient ?This runner's calculation uses 63 eligible race(s): Σ(rank − 1) = 2 867; Σ finishers = 4 481. 2 867 / 4 481 × 100 = 63.98%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed63
Km — ultra races4 254 km
> 100 km9
> 160 km5
> 24h10
Longest race171,9 km

Km per year (ultra races)

96
2 races
2022
47
1 race
2023
45
1 race
2024
2025
2026

Race types (share of distance)

Road75,5%
Trail20,6%
?3,8%

HISTORY

65 race(s) · 1 split(s) nested
DateRacePerf.Rk
2024
29.06 6h NED23 Zes uur van de Haarlemmermeer 45.438 km32
2023
23.09 6h NED17. Sri Chinmoy 6-Stunden-Lauf Amsterdam 47.299 km25
2022
01.10 6h NED2022 Sri Chinmoy 6 hours Amsterdam 46.890 km29
25.06 6h NED6 uren van de Haarlemmermeer 48.674 km26
2021
02.10 6h NEDSri Chinmoy 6 hours Amsterdam 47.398 km19
25.09 6h NED6 uren van de Haarlemmermeer 50.097 km11
2019
28.12 6h NEDUltrarun Almere 49.600 km19
28.09 6h NEDSelf Transcendence 6 hours Amsterdam 48.853 km25
25.05 50km NEDSelf Transcendence 50km Amsterdam 5:58:29 h24
2018
06.10 6h NEDSelf Transcendence 6 hours Amsterdam 57.489 km19
08.09 50km NED43. RUN Winschoten 50 km 4:53:24 h32
30.06 6h NED6 uren van de Haarlemmermeer 52.933 km18
03.06 50km NEDSelf Transcendence 50km Amsterdam 5:21:28 h10
2017
26.08 24h GER1. Bottroper Ultralauf Festival 24h 48.422 km55
05.03 6h NED22de Zes uurs ultraloop Stein 57.639 km29
27.01 75km NEDDutch coast ultra-run by night 75 km 10:04:00 h14
2016
18.11 24h NORBislett 24h hour indoor challenge 163.632 km32
25.06 6h NED6 uren van de Haarlemmermeer 60.095 km27
21.05 24h NED12e 24uur van Steenbergen 171.905 km14
23.04 24h GER9. 24h Iserlohner Stadtwerkelauf am Seilersee 134.085 km24
26.03 60km NEDJan Knippenberg Memorial 60 km 6:19:06 h35
22.01 50km NEDDutch coast ultra-run by night 50 km 5:39:00 h11
2015
22.08 6h NEDDe 6 uur van Den Helder 55.501 km12
27.06 6h NED6 uren van de Haarlemmermeer 60.375 km21
09.05 24h NED11e 24uur van Steenbergen - Nationaal Kampioenschap Nederland 162.555 km6
09.05 12h NED11e 24uur van Steenbergen - 12h Split 92.373 km23
09.05 24h NED11e 24uur van Steenbergen 162.555 km15
25.04 56km BEL10e Trail La Bouillonnante 56 km 8:06:53 h145
18.04 80km NED9e Limburgs Zwaarste 80km 10:47:47 h20
01.03 6h NED20de Zes uurs ultraloop Stein 59.443 km47
2014
04.10 6h NEDSelf Transcendence 6 uur Amsterdam 57.140 km15
28.06 50km BEL1. 50 km Ultraloop Maasmechelen 5:19:31 h26
21.06 6h NED6 uren van de Haarlemmermeer 55.412 km18
31.05 50km NEDSelf Transcendence 50km Amsterdam 5:11:55 h15
17.05 50km NED4. 50 km UltraRun van Gieten 5:11:24 h28
11.05 6h NED10e Zes uur van Steenbergen 53.740 km26
03.05 56km BEL9e Trail La Bouillonnante 8:12:00 h303
19.04 60km NEDJan Knippenberg Memorial 60 km 6:31:10 h30
29.03 55km BEL3ème Trail des Crêtes de Spa 7:08:03 h220
09.03 6h NED19de Zes uurs ultraloop Stein 54.910 km83
2013
21.12 24h NEDLangsteNachtLoop 24 uurs 110.302 km14
05.10 6h NEDSelf Transcendence 6 uur Amsterdam 57.354 km13
06.07 60km NED10e Ronde van Amsterdam 8:58:24 h34
29.06 6h NED6 uren van de Haarlemmermeer 57.976 km18
25.05 50km NEDSelf Transcendence 50km Amsterdam 4:53:59 h19
11.05 12h NED9e 24uur van Steenbergen - 12h Split 94.879 km244
11.05 24h NED9e 24uur van Steenbergen - Nationaal Kampioenschap Nederland 101.822 km28
11.05 24h NED9e 24uur van Steenbergen - open race 101.822 km270
23.03 60km NED1e Gooi&Meer tocht 6:37:28 h25
25.01 50km NEDDutch coast ultra-run by night 50 km 6:31:30 h23
2012
29.12 6h NED6 uursloop Heerde 57.439 km16
22.12 12h NEDLangsteNachtLoop 12 uurs 49.626 km18
29.09 6h NEDSelf Transcendence 6 uur Amsterdam 54.511 km28
08.07 50km NED5. Internationale Ultraloop 50 van Assen 5:03:47 h40
10.06 50km NEDSelf Transcendence 50km Amsterdam 5:13:24 h18
13.05 6h NED8e Zes uur van Steenbergen 56.486 km29
2011
06.11 50km road race GER13. 50 km-Ultramarathon in Bottrop 5:10:36 h186
04.06 50km NEDSelf Transcendence 50km Amsterdam 5:46:42 h25
14.05 24h NED6e 24uur van Steenbergen 160.955 km24
02.04 100km NED5e Limburgs Zwaarste 100km 15:21:00 h48
13.03 6h NED16de Zes uurs ultraloop Stein 58.410 km98
2010
28.11 65km BEL15ème Olne-Spa-Olne 9:38:46 h305
25.09 6h NEDSelf Transcendence 6 uur Amsterdam 55.953 km16
04.07 50km NED3. Ultraloop 50 van Assen 5:24:42 h52
09.05 6h NED6e Zes uur van Steenbergen 52.586 km23