Janet Rosenfeld
ID 67782
Born : 1966 Cat. W60 Ultrarunner since 1999 CAN
46
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
2
Countries visited ?CANCanadaUSAUnited States
61,0%
Rank quotient ?This runner's calculation uses 46 eligible race(s): Σ(rank − 1) = 3 682; Σ finishers = 6 040. 3 682 / 6 040 × 100 = 60.96%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed46
Km — ultra races3 764 km
> 100 km8
> 160 km7
> 24h1
Longest race160,9 km
23rd Rio Del Lago 100 Mile Endurance Run — 4/11/2023

Km per year (ultra races)

2022
325
3 races
2023
263
3 races
2024
2025
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F1
🏅 Top 31
🏅 Top 3 F8
Longest winning streak0
Current streak0

Records

50 km5h48'13100 km13h28'1750 mi9h36'04100 mi27h32'4712 h83,69 km24 h146,40 km

HISTORY

46 race(s)
DateRacePerf.Rk
2024
03.08 12h USA11th Hamster Endurance Runs 12 Hour Run 62.764 km14
28.06 100km USA4th The Yeti 100 km Endurance Run-Washington 14:00:02 h13
25.05 100km USA13th Pigtails Challenge 100 km 14:15:08 h9
2023
04.11 100mi USA23rd Rio Del Lago 100 Mile Endurance Run 29:12:16 h146
23.09 50mi USA5th The Cascade Super 50mi Ultra Race 10:47:10 h61
12.08 12h USA10th Hamster Endurance Runs 12 Hour Run 83.685 km6
2019
02.11 100mi USA19th Rio Del Lago 100 Mile Endurance Run 27:44:25 h144
27.07 50mi USA27th White River 50 Mile Endurance Run 13:06:33 h161
07.06 24h CAN5th Cedar Ultra 24 Hour 146.400 km2 🥈
04.05 50km USA11th Lost Lake 50k 7:20:38 h23
2017
26.08 100mi USA19th Cascade Crest Classic 100 Mile 33:58:16 h110
29.04 50mi USA2nd Tillamook Burn Trail Run 50 Mile 12:14:57 h93
2016
24.09 50km CAN1st Whistler Alpine Meadows 50 km Race (WAM50) 11:14:14 h76
23.07 50km USA1st Needles 50k 10:09:00 h27
07.05 50km USA8th Lost Lake 50k 7:52:00 h28
23.04 50km CAN1st Nimble Bear 50K 8:12:12 h28
2014
03.05 50km USA5th Grand Ridge 50 km Trail Run 7:28:21 h12
2012
25.08 100mi USA14th Cascade Crest Classic 100 Mile 29:42:41 h66
28.07 50mi USA20th White River 50 Mile Trail Run 11:04:40 h168
16.06 50mi USA2nd Echo Valley 50 Mile Trail Run 10:01:32 h5
15.04 50km USA1st Alger Alp 50k 6:36:26 h5
26.02 50km USA5th Lord Hill Trail Run 6:48:46 h22
2011
01.10 50km USA10th Baker Lake 50K Ultra Trail Run 6:17:45 h39
30.07 50mi USA19th White River 50 Mile Trail Run 11:10:49 h150
11.06 100mi USA10th San Diego 100 Mile Endurance Run 27:32:47 h53
30.04 50mi USA19th Leona Divide 50 Mile Run 10:09:34 h106
19.03 50km USA19th Chuckanut 50K 6:24:29 h192
2010
18.09 100mi USA1st Pine to Palm 100 Mile Endurance Run 30:33:16 h58
31.07 50mi USA18th White River 50 Mile Trail Run 10:42:18 h98
01.05 100km USA15th Miwok 100k Trail race 13:28:17 h167
20.03 50km USA18th Chuckanut 50K 6:23:38 h209
2009
29.08 100mi USA11th Cascade Crest Classic 100 Mile 28:38:15 h62
25.07 50mi USA17th White River 50 Mile Trail Run 10:52:54 h99
06.06 50mi CAN4th Scorched Sole Ultra 50 Mile 9:36:04 h8
18.04 50km CAN13th Diez Vista 50K Trail Run 6:57:57 h64
21.03 50km USA17th Chuckanut 50K 6:20:38 h175
2008
09.08 50mi CAN8th Stormy 50-Mile 10:27:03 h29
10.05 50km USA13th McDonald Forest 50K Trail Run 6:32:03 h104
05.04 50km CAN12th Diez Vista 50K Trail Run 7:05:04 h91
15.03 50km USA16th Chuckanut 50K 6:25:55 h180
2003
02.08 50mi USA11th White River 50 Mile Trail Run 10:39:27 h91
15.03 50km USA11th Chuckanut 50K 6:07:43 h84
2002
26.10 50km USA2nd Baker Lake 50K Ultra Trail Run 6:12:16 h25
27.07 50mi USA10th White River 50 Mile Trail Run 11:20:12 h82
2001
10.03 50km USA12th Way Too Cool 50K Endurance Run 5:48:13 h211
1999
10.07 30mi CAN11th Knee Knackering North Shore Trail Run 9:10:41 h132