Jennifer Blake
ID 77358
Born : 1969 Cat. W55 Ultrarunner since 2004 USA
40
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
1
Countries visited ?USAUnited States
93,0%
Rank quotient ?This runner's calculation uses 40 eligible race(s): Σ(rank − 1) = 8 367; Σ finishers = 8 994. 8 367 / 8 994 × 100 = 93.03%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed40
Km — ultra races2 359 km
Longest race80,5 km
34th American River 50 Mile Endurance Run — 6/4/2013

Km per year (ultra races)

50
1 race
2022
2023
2024
2025
2026

Race types (share of distance)

Trail100,0%

Records

50 km7h08'1550 mi12h02'33

HISTORY

40 race(s)
DateRacePerf.Rk
2022
14.05 50km USA39th Quicksilver 50 km Endurance Run 8:36:20 h97
2019
14.04 50km USA8th Grizzly Peak 50k 9:30:31 h38
16.02 50km USA7th FOURmidable 50K 8:57:52 h188
2018
25.08 31.5mi USA19th Tamalpa Headlands 50K 9:13:03 h158
21.07 55km USA17th Tahoe Rim Trail 55km Endurance Run 10:53:20 h99
12.05 50km USA35th Quicksilver 50 km Endurance Run 9:21:21 h149
10.03 50km USA7th Marin Ultra Challenge 50 km Race 8:45:17 h213
2017
15.07 55km USA16th Tahoe Rim Trail 55km Endurance Run 11:43:34 h129
2016
27.08 31.5mi USA17th Tamalpa Headlands 50K 9:25:13 h227
21.05 50km USA31st Silver State 50 km 9:25:06 h67
2015
09.05 50km USA32nd Quicksilver 50 km Endurance Run 9:14:41 h138
2014
20.09 50km USA4th Coastal 50 km Trail Run 8:13:56 h92
03.08 50km USA33rd Skyline 50k Endurance Run 7:41:01 h161
12.07 50km trail race USA4th Golden Gate 50 km Summer Trail Run 8:27:21 h64
15.03 50km USA3rd Marin Ultra Challenge 50 km Race 8:43:26 h118
2013
22.06 50km USA2nd Marin Ultra Challenge 50 km Race 9:00:15 h75
04.05 60km USA18th Miwok 60k Trail race 10:32:06 h337
06.04 50mi USA34th American River 50 Mile Endurance Run 12:52:53 h810
2012
13.10 50mi USA30th Dick Collins Firetrails 50 Mile 13:39:55 h248
11.02 50km USA2nd Golden Gate 50 km Winter Trail Run 8:24:45 h42
2010
09.10 50mi USA28th Dick Collins Firetrails 50 Mile 14:43:21 h235
27.03 50mi USA3rd Lake Sonoma 50 Mile Race 14:44:01 h143
2009
05.12 50km USA3rd Endurance Challenge - California Trail 50 km 8:56:29 h159
10.10 50mi USA27th Dick Collins Firetrails 50 Mile 13:26:48 h216
06.09 50km USA14th Run On The Sly 50 km 8:47:01 h59
08.08 50mi USA3rd Headlands Hundred 50 Mile Endurance Run 14:31:37 h87
04.04 50mi USA30th American River 50 Mile Endurance Run 12:56:08 h504
2008
11.10 50mi USA26th Dick Collins Firetrails 50 Mile 13:02:05 h153
23.08 31.5mi USA11th Tamalpa Headlands 50K 8:36:13 h65
08.03 50km USA19th Way Too Cool 50K Endurance Run 7:50:00 h430
2007
26.08 31.5mi USA10th Tamalpa Headlands 50K 8:01:49 h117
14.04 50mi USA28th American River 50 Mile Endurance Run 12:16:40 h448
2006
26.08 31.5mi USA9th Tamalpa Headlands 50K 8:15:50 h154
01.04 50mi USA27th American River 50 Mile Endurance Run 12:07:54 h397
11.03 50km USA17th Way Too Cool 50K Endurance Run 7:31:28 h349
2005
04.09 50km USA11th Run On The Sly 50 km 8:05:56 h67
02.04 50mi USA26th American River 50 Mile Endurance Run 12:02:33 h401
12.03 50km USA16th Way Too Cool 50K Endurance Run 7:08:15 h372
2004
01.08 50km USA23rd Skyline 50k Endurance Run 7:22:21 h141
13.03 50km USA15th Way Too Cool 50K Endurance Run 7:47:57 h460