Merijn Geerts
Born : 1974 Cat. M50 Ultrarunner since 2018 BEL
55
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
111
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
11
Countries visited ?AUSAustraliaBELBelgiumFRAFranceGBRUnited KingdomGERGermanyGREGreeceHUNHungaryLUXLuxembourgNEDNetherlandsSUISwitzerlandUSAUnited States
14,6%
Rank quotient ?This runner's calculation uses 58 eligible race(s): Σ(rank − 1) = 886; Σ finishers = 6 054. 886 / 6 054 × 100 = 14.63%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed58
Km — ultra races15 832 km
> 100 km45
> 160 km43
> 200 km27
> 24h24
> 48h12
Longest race808,0 km

Km per year (ultra races)

2 553
9 races
2022
2 227
8 races
2023
2 332
7 races
2024
2 603
5 races
2025
1 849
3 races
2026

Race types (share of distance)

Road18,1%
Trail37,5%
Elim.44,3%

Wins & podiums (ultra)

🏆 Win8
🏆 Win M8
🏅 Top 318
🏅 Top 3 M20
Longest winning streak2
Current streak0

HISTORY

61 race(s) · 8 split(s) nested
DateRacePerf.Rk
2026
03.09 6d road race HUNXV. EMU 6-Day Race 761.314 km10
25.04 Backyard Ultra BEL6. Legends Backyard Ultra 737.660 km (110h)3 🥉
19.02 350km BEL10 Legends Trail 350 3d 07:51:00 h7
2025
18.10 Backyard Ultra USA14th Big Dog's Backyard Ultra 590.128 km (88h)13
27.09 246km GRE42. Spartathlon 29:40:14 h37
21.06 Backyard Ultra AUSDead Cow Gully Backyard Ultra 684.012 km (102h)3 🥉
28.04 6d FRAXIXè GOMU World Championship - 6 jours de France Gérard Cain - Course 807.986 km8
28.02 275km BEL9 Legends Trail 250 2d 07:24:00 h11
2024
19.10 Backyard Ultra BEL3rd Backyard Ultra World Team Championships - Belgium 737.660 km (110h)1 🏆
01.09 360km SUISwissPeaks 360 5d 17:37:34 h73
28.06 32h BELAnother One Bites the Dust 166.880 km7
20.04 Backyard Ultra BELLegends Backyard Ultra 355.418 km (53h)1 🏆
23.03 24h NED3. 24hrs Sittard - NC Belgium 219.221 km3 🥉
23.03 50km NED3. 24hrs Sittard - 50km Split 4:43:49 h22
23.03 100km NED3. 24hrs Sittard - 100km Split 9:50:36 h9
23.03 100mi NED3. 24hrs Sittard - 100mi Split 16:43:52 h7
23.03 24h NED3. 24hrs Sittard 219.221 km4
23.02 274km BELLegends Trail 250 2d 08:19:00 h6
2023
16.12 100mi BELThe Bello Gallico Trail 100mi 22:43:00 h61
21.10 Backyard Ultra USA12th Big Dog's Backyard Ultra 670.600 km (100h)6
16.09 100mi LUXThe Great Escape 100 miles 23:23:00 h6
20.05 24h BELUltraloopfestival Brugge - Open BK 24h 226.817 km1 🏆
21.04 Backyard Ultra FRA1ère Backyard Ultra Barjots Chatonnay 60.354 km (9h)14
15.04 Backyard Ultra BELLegends Backyard Ultra 241.416 km (36h)12
17.02 275km BELLegends Trail 250 2d 07:37:00 h4
15.01 268mi GBR11th Spine Race 4d 07:07:23 h7
2022
27.11 70km BEL26ème Olne-Spa-Olne 7:30:32 h91
15.10 Backyard Ultra BEL2nd Backyard Ultra World Team Championships - Belgium 677.306 km (101h)1 🏆
24.09 100mi LUXThe Great Escape 100 miles 24:20:00 h3 🥉
30.07 24h GER17. Burginsellauf Delmenhorst 202.338 km2 🥈
09.07 24h NEDDe 24 Uur van Deventer 183.074 km3 🥉
01.07 32h BELAnother One Bites the Dust 169.680 km21
14.05 Backyard Ultra GER1. The Race of the Champions - Backyard Masters 603.540 km (90h)1 🏆
09.04 55km BELTDI (Trail des Idylles) 6:53:55 h17
09.01 268mi GBR10th Spine Race 4d 12:25:30 h11
2021
19.12 50mi BELThe Bello Gallico Trail 50mi 14:53:00 h79
18.12 100mi BELThe Bello Gallico Trail 100mi 18:34:00 h8
28.11 69km BEL25ème Olne-Spa-Olne 7:37:56 h48
30.10 100km BEL9th Bear Trail 100 km 11:15:43 h15
25.09 100mi BELThe Great Escape 100 miles 26:33:00 h6
20.08 32h BELAnother One Bites the Dust 190.688 km1 🏆
11.06 Backyard Ultra BELLegends Backyard Ultra 288.358 km (43h)1 🏆
29.05 165km BEL11° Grand Trail des Lacs et Châteaux 165km 26:53:52 h28
01.05 100km BELTrail des Cisterciens 11:23:00 h17
2020
17.10 Backyard Ultra BEL1st Backyard Ultra World Team Championships - Belgium 496.244 km (74h)2 🥈
19.09 100mi BELThe Great Escape 100 miles 27:23:00 h20
15.08 159km BELUltra Trail des Sources - 159km 22:16:38 h10
22.02 500km BELLegends Trail 500 6d 05:20:00 h9
2019
14.12 100mi BELThe Bello Gallico Trail 100mi 19:54:00 h3 🥉
26.10 100km BEL8th Bear Trail 100 km 12:11:08 h16
21.09 161km LUXThe Great Escape 161km 26:25:00 h3 🥉
10.08 70km BEL4ème Trail des Fantomes 70km 9:43:04 h25
28.06 29h BELAnother One Bites the Dust 172.811 km1 🏆
22.06 102.2km FRA10ème Ardennes Méga Trail 17:21:24 h57
02.06 50km BEL14e Ohm Trail 6:31:33 h17
01.03 250km BELLegends Trail 2d 14:20:00 h17
02.02 86km BEL2. From Dusk till Dawn Night Trail - 86 km 13:39:43 h25
2018
15.12 100mi BELThe Bello Gallico Trail 100mi 21:23:00 h16
24.11 93km GBRPeak District South 2 North Ultra 93km 12:46:17 h14
29.06 31h BELAnother One Bites the Dust 178.770 km2 🥈
03.06 50km BEL13e Ohm Trail 6:41:15 h56