Martina Koldewey
ID 99266
Born : 1963 Cat. W60 Ultrarunner since 2007 GER
30
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
41
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
6
Countries visited ?CHIChileGERGermanyISLIcelandNEPNepalRSASouth AfricaUSAUnited States
55,5%
Rank quotient ?This runner's calculation uses 30 eligible race(s): Σ(rank − 1) = 9 240; Σ finishers = 16 636. 9 240 / 16 636 × 100 = 55.54%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed40
Km — ultra races2 152 km
> 100 km2
> 160 km2
> 200 km2
> 24h1
Longest race250,0 km
Racing the Planet - Iceland 2013 — 4/8/2013

Km per year (ultra races)

2022
2023
80
1 race
2024
2025
84
1 race
2026

Race types (share of distance)

Road8,6%
Trail68,2%
Stage23,2%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F2
🏅 Top 31
🏅 Top 3 F3
Longest winning streak0
Current streak0

Records

50 km5h38'00100 km17h14'2050 mi10h40'176 h47,81 km24 h84,01 km

HISTORY

30 race(s)
DateRacePerf.Rk
2026
23.05 24h USA3rd Johnston Woods Trails Festival 84.007 km2 🥈
2024
05.10 50mi USA10th The Hennepin Hundred - 50 Mile Run 14:13:35 h81
2017
29.04 51km GER38. Harzquerung Wernigerode-Nordhausen 6:15:59 h403
2016
15.04 61km CHI2nd Ultra Fiord Patagonia Chile 70km 17:29:50 h122
12.03 50km USA5th Marin Ultra Challenge 50 km Race 7:19:51 h153
06.02 50km USA4th Fort Ord 50K Trail Run 7:17:29 h59
2013
04.08 250km/6stages ISLRacing the Planet - Iceland 2013 40:19:37 h80
10.02 50km USA3rd Golden Gate 50 km Winter Trail Run 6:18:20 h22
27.01 50km USA3rd Steep Ravine 50 km Trail Run 7:09:13 h28
2012
31.12 6h USA3rd New Years One Day 6 Hour Run 47.810 km17
03.06 89km road race RSA87th Comrades Marathon - Down Run 10:30:27 h5915
20.05 50km USA25th Ohlone 50K Wilderness Run 9:19:28 h180
05.05 100km USA17th Miwok 100k Trail race 17:14:20 h258
07.04 50mi USA33rd American River 50 Mile Endurance Run 10:40:17 h414
17.03 50km USA2nd Canyon Meadow (Winter) 50 km Trail Run 6:39:48 h31
11.02 50km USA2nd Golden Gate 50 km Winter Trail Run 6:43:17 h23
28.01 50km USA2nd Steep Ravine 50 km Trail Run 7:37:55 h47
08.01 50km USA32nd Epiphany Ultras - 50 km Run 5:38:00 h4
2011
31.12 6h USA2nd New Years One Day 6 Hour Run 47.810 km11
20.11 250km/6stages NEPRacing the Planet - Nepal 2011 2d 01:12:49 h114
22.05 50km USA24th Ohlone 50K Wilderness Run 7:58:47 h136
30.04 50km USA28th Quicksilver 50 km Endurance Run 6:59:30 h71
2010
04.12 50km USA4th Endurance Challenge - California Trail 50 km 7:34:49 h190
09.10 50mi USA28th Dick Collins Firetrails 50 Mile 12:24:59 h209
18.06 50mi USA19th Bighorn Mountain Wild & Scenic 50mi Trail Run 14:10:12 h107
23.05 50km USA23rd Ohlone 50K Wilderness Run 7:49:31 h137
18.04 50km USA3rd Skyline to the Sea 50km 6:19:18 h107
2009
05.12 50km USA3rd Endurance Challenge - California Trail 50 km 8:00:55 h132
26.04 50km USA2nd Skyline to the Sea 50km 6:22:23 h99
2007
21.07 50km USA6th Tahoe Rim Trail 50km Endurance Runs 9:15:44 h118