Ronda Sundermeier
Born : 1967 Cat. W55 Ultrarunner since 1998 USA
78
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
80
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
5
Countries visited ?ANDAndorraFRAFranceITAItalySUISwitzerlandUSAUnited States
37,6%
Rank quotient ?This runner's calculation uses 144 eligible race(s): Σ(rank − 1) = 10 449; Σ finishers = 27 760. 10 449 / 27 760 × 100 = 37.64%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed144
Km — ultra races12 888 km
> 100 km37
> 160 km34
> 24h2
Longest race171,0 km

Km per year (ultra races)

105
2 races
2022
2023
155
2 races
2024
251
4 races
2025
452
4 races
2026

Race types (share of distance)

Road4,6%
Trail95,4%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F4
🏅 Top 31
🏅 Top 3 F23
Longest winning streak0
Current streak0

HISTORY

144 race(s)
DateRacePerf.Rk
2026
11.09 100mi USA47th Wasatch Front 100 Mile 32:03:52 h89
13.06 50mi USA30th Snow Peaks 50 Mile Trail Run 12:56:27 h75
06.06 50km USA3rd Rose Canyon Ultra 7:03:10 h23
11.04 100mi USA15th The Zion 100 Mile Run 25:45:41 h29
2025
29.08 101km ITA19ème Courmayeur-Champex-Chamonix 21:44:27 h854
16.08 50km USA3rd Mid Mountain 50K 6:31:27 h97
25.07 50km USA18th Speedgoat 50k 9:36:51 h236
31.05 50km USA4th Connor's Claims 50 km Ultra 8:48:37 h16
2024
27.04 100km USA11th The Canyons Endurance 100 km Run 15:52:34 h180
02.03 55km USA15th Red Mountain 55K 6:01:28 h49
2022
13.08 55km USA8th Skyline Mountain Marathon 55K 8:04:32 h20
23.07 50km USA15th Speedgoat 50k 10:10:24 h213
2021
19.06 100mi USA29th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 29:28:07 h68
2020
01.08 70km USA6th Tushars 70km Mountain Runs 13:56:37 h24
17.07 50mi USA3rd Palisades Ultra Trail Series (PUTS) - Grizzly 50 14:31:59 h16
30.05 50mi USA8th Bryce 50 Mile Trail Run 12:09:49 h19
2019
29.06 100mi USA46th Western States 100 Mile Endurance Run 25:52:44 h154
11.05 50mi USA11th Sun Mountain 50 Mile Trail Races 11:29:40 h69
20.04 50km USA9th Yakima Skyline Rim 50k 8:21:50 h112
2018
31.08 171km FRA16ème Ultra Trail Tour du Mont Blanc 37:48:48 h505
07.07 46.4km SUI4. Engadin St. Moritz Ultraks 8:30:56 h54
22.06 120km ITA12^ Lavaredo Ultra Trail by UTMB - 120K 20:27:54 h268
21.04 50km USA8th Yakima Skyline Rim 50k 7:41:14 h99
2017
08.09 100mi USA38th Wasatch Front 100 Mile 30:42:52 h77
07.07 170km ANDAndorra Ultra Trail - Ronda dels cims 170 km 2d 07:40:01 h131
03.06 100km USA4th Scout Mountain 100 km Ultra Trail 16:36:29 h29
22.04 50km USA7th Yakima Skyline Rim 50k 7:54:35 h82
18.02 60km USA4th Black Canyon Trail 60 km Run 7:33:54 h30
2016
03.09 65km USA3rd Grand Traverse Mountain Run 9:38:25 h34
17.06 100mi USA24th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 29:48:18 h93
14.05 50km USA21st McDonald Forest 50K Trail Run 6:05:40 h94
09.04 50mi USA8th Lake Sonoma 50 Mile Race 10:07:48 h121
05.03 50km USA27th Way Too Cool 50K Endurance Run 5:30:22 h237
06.02 50mi USA3rd Sean O'Brien 50 Mile Trail Race 10:30:58 h16
2015
12.12 50km USA6th Frozen Trail Runfest 6:02:43 h12
28.08 170km FRA13ème Ultra Trail Tour du Mont Blanc 37:26:57 h436
19.06 100mi USA23th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 27:47:00 h63
09.05 50km USA2nd Smith Rock Ascent 50K 5:35:28 h52
28.03 100km USA5th Gorge Waterfalls 100k 13:50:05 h85
07.02 50mi USA2nd Sean O'Brien 50 Mile Trail Race 10:19:20 h24
2014
18.10 50km USA1st Elk-King’s 50 km Race 7:23:50 h15
06.09 50km USA3rd Volcanic 50 8:18:57 h48
28.06 100mi USA41st Western States 100 Mile Endurance Run 25:01:48 h136
14.06 50km USA1st Smith Rock Ascent 50K 5:49:43 h33
18.05 50mi USA6th Sun Mountain 50 Mile Trail Races 8:42:10 h26
13.04 40mi USA12th Peterson Ridge Rumble 40 Mile Trail Run 6:25:50 h52
29.03 50km USA4th Gorge Waterfalls 50k 6:20:52 h66
2013
17.08 100km USA12th Waldo 100K Trail Run 13:20:14 h37
31.05 100mi USA1st Bryce 100 Mile Trail Run 25:18:14 h11
11.05 50km USA18th McDonald Forest 50K Trail Run 6:03:42 h90
14.04 40mi USA11th Peterson Ridge Rumble 40 Mile Trail Run 6:27:09 h49
02.02 50km USA8th Orcas Island 50k 7:16:09 h127
2012
22.09 50km USA3rd Flagline Trail Fest 50K 6:18:30 h68
18.08 100km USA11th Waldo 100K Trail Run 15:29:08 h49
28.07 50mi USA14th Mt. Hood 50 Mile Trail Run 10:14:10 h65
09.06 100mi USA11th San Diego 100 Mile Endurance Run 24:36:03 h32
12.05 50km USA17th McDonald Forest 50K Trail Run 6:10:24 h104
15.04 40mi USA10th Peterson Ridge Rumble 40 Mile Trail Run 6:37:52 h76
31.03 100mi USA18th Umstead Endurance Run 100 Miles 19:37:36 h17
17.03 24h USA11th Pacific Rim One Day 50.000 km60
2011
12.11 100mi USA9th Javelina Jundred 100 Mile Endurance Run 21:16:38 h26
29.10 50km USA10th ORRC Autumn Leaves 50 km Run 4:44:08 h10
20.08 100mi USA29th Leadville Trail 100 Mile 24:41:37 h83
17.07 50mi USA4th Leadville Silver Rush 50 Mile Run 9:59:25 h74
12.06 50km USA1st Beacon Rock 50K 6:46:08 h30
07.05 100km USA16th Miwok 100k Trail race 12:03:57 h106
10.04 40mi USA9th Peterson Ridge Rumble 40 Mile Trail Run 6:36:08 h52
11.03 50km USA1st Gorge Waterfalls 50k 6:23:13 h40
2010
23.10 100mi USA8th Javelina Jundred 100 Mile Endurance Run 20:07:15 h10
25.09 53.2mi USA24th Sierra Nevada Endurance 53 Mile Run 11:28:30 h13
31.07 50mi USA18th White River 50 Mile Trail Run 9:51:01 h69
08.05 50km USA15th McDonald Forest 50K Trail Run 5:35:59 h51
11.04 60km USA8th Peterson Ridge Rumble 60 km Trail Run 5:54:40 h42
20.03 50km USA18th Chuckanut 50K 5:30:40 h117
2009
29.08 100mi USA11th Cascade Crest Classic 100 Mile 24:15:10 h23
10.07 100mi USA16th Hardrock Hundred Endurance Run 33:56:29 h18
02.05 100km USA14th Miwok 100k Trail race 11:43:42 h68
13.03 100mi USA2nd Coyote Two Moon Ultras 100 Mile 29:14:00 h7
2008
30.08 100mi USA4th Grand Teton Races 100 Miles 25:40:50 h3 🥉
26.07 50mi USA16th White River 50 Mile Trail Run 9:59:42 h86
12.07 50km USA10th Siskiyou Out Back 50 km Trail Run 5:32:14 h36
20.06 100mi USA17th Bighorn Mountain Wild & Scenic 100mi Trail Run 25:10:59 h17
10.05 50km USA13th McDonald Forest 50K Trail Run 5:35:49 h52
19.04 50mi USA16th Leona Divide 50 Mile Run 8:51:45 h28
15.03 50km USA16th Chuckanut 50K 5:46:52 h97
16.02 100km USA3rd Orange Curtain 100km Ultra Race 10:23:40 h6
2007
08.09 100mi USA28th Wasatch Front 100 Mile 27:57:23 h26
18.08 100mi USA25th Leadville Trail 100 Mile 24:16:26 h43
21.07 100mi USA19th Vermont 100 Mile Endurance Race 21:36:15 h28
23.06 100mi USA34th Western States 100 Mile Endurance Run 23:14:00 h69
19.05 50km USA12th McDonald Forest 50K Trail Run 5:27:21 h43
05.05 100km USA12th Miwok 100k Trail race 11:28:52 h54
14.04 50mi USA28th American River 50 Mile Endurance Run 8:27:29 h80
17.03 50km USA15th Chuckanut 50K 5:44:59 h86
2006
21.10 100mi USA5th San Diego 100 Mile Endurance Run 22:42:00 h9
19.08 100km USA5th Where's Waldo 100K Ultramarathon 15:17:45 h21
29.07 50mi USA14th White River 50 Mile Trail Run 10:20:13 h68
24.06 100mi USA33th Western States 100 Mile Endurance Run 24:41:29 h56
06.05 100km USA11th Miwok 100k Trail race 12:22:23 h91
09.04 60km USA4th Peterson Ridge Rumble 60 km Trail Run 5:56:52 h50
18.03 50km USA14th Chuckanut 50K 6:10:44 h132
2005
25.06 100mi USA32th Western States 100 Mile Endurance Run 22:59:25 h71
30.04 100km USA10th Miwok 100k Trail race 11:56:26 h83
23.04 50mi USA16th Zane Grey Highline Trail 50 Mile 13:27:56 h52
19.03 50km USA3rd Rucky Chucky Roundabout 50K 6:01:59 h29
2004
18.09 100mi USA18th Angeles Crest 100 Mile 26:06:17 h18
21.08 100km USA3rd Where's Waldo 100K Ultramarathon 14:26:32 h11
31.07 50mi USA6th Mt. Hood 50 Mile Trail Run 9:43:39 h27
26.06 100mi USA31th Western States 100 Mile Endurance Run 25:39:50 h106
10.05 50km USA9th McDonald Forest 50K Trail Run 5:59:25 h67
18.04 35mi USA2nd Peterson Ridge Rumble 35 Mile Trail Run 5:49:50 h35
03.04 50mi USA25th American River 50 Mile Endurance Run 9:23:00 h124
21.02 50km USA4th Hagg Lake Trail Runs 50K 5:39:50 h45
2003
06.11 50mi USA3rd ORRC Autumn Leaves 50 Mile Run 8:42:10 h9
13.09 50km USA16th McKenzie River 50 km Trail Run 5:34:37 h32
23.08 100mi USA5th Cascade Crest Classic 100 Mile 26:33:00 h13
02.08 50mi USA5th Mt. Hood 50 Mile Trail Run 9:40:41 h14
26.04 50km USA8th McDonald Forest 50K Trail Run 6:48:45 h108
22.03 24h USA4th Pacific Rim One Day 127.138 km15
15.02 50km USA3rd Hagg Lake Trail Runs 50K 5:41:46 h29
2002
19.10 50mi USA20th Mountain Masochist 50 Mile Trail Run 10:49:42 h153
07.09 100mi USA23rd Wasatch Front 100 Mile 31:18:10 h51
10.08 50mi USA4th Mt. Hood 50 Mile Trail Run 10:25:06 h22
27.07 50mi USA10th White River 50 Mile Trail Run 11:08:13 h77
13.07 50km USA4th Siskiyou Out Back 50 km Trail Run 6:01:09 h37
27.04 50km USA7th McDonald Forest 50K Trail Run 6:44:15 h99
09.03 50km USA13th Way Too Cool 50K Endurance Run 6:24:54 h355
16.02 50km USA2nd Hagg Lake Trail Runs 50K 5:58:55 h35
2001
29.09 100mi USA16th Angeles Crest 100 Mile 31:59:36 h57
08.09 50km USA14th McKenzie River 50 km Trail Run 5:27:34 h38
11.08 50mi USA3rd Mt. Hood 50 Mile Trail Run 10:54:18 h30
28.07 50mi USA9th White River 50 Mile Trail Run 11:11:42 h95
14.07 50km USA3rd Siskiyou Out Back 50 km Trail Run 6:11:26 h54
10.06 50km USA3rd Bendistillery 50k 5:07:10 h21
28.04 50km USA6th McDonald Forest 50K Trail Run 6:49:49 h100
24.02 100km USA5th Catalina 100K Trail Run 14:44:06 h42
2000
09.09 50km USA13th McKenzie River 50 km Trail Run 6:03:23 h61
12.08 50km USA2nd Mt. Hood 50 km Trail Run 6:37:00 h42
29.07 47.6mi USA8th White River 50 Mile Trail Run 10:31:50 h31
29.04 50km USA5th McDonald Forest 50K Trail Run 7:04:55 h122
1999
24.10 50mi USA2nd ORRC Autumn Leaves 50 Mile Run 9:48:48 h18
11.09 50km USA12th McKenzie River 50 km Trail Run 5:55:32 h50
15.08 50km USA1st Bendistillery 50k 4:56:58 h35
1998
25.10 50km USA1st ORRC Autumn Leaves 50 km Run 5:16:10 h14