Michael Kerr
ID 532560
Born : 1962 Cat. M60 Ultrarunner since 2014 USA
46
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
47
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
63,5%
Rank quotient ?This runner's calculation uses 50 eligible race(s): Σ(rank − 1) = 5 224; Σ finishers = 8 231. 5 224 / 8 231 × 100 = 63.47%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed50
Km — ultra races2 733 km
Longest race100,0 km
21st Miwok 100k Trail Race — 7/5/2016

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Trail100,0%

Records

50 km5h23'00100 km14h42'0250 mi11h32'48

HISTORY

50 race(s)
DateRacePerf.Rk
2021
18.09 50km USA9th Berkeley Trail Adventure 7:34:56 h52
01.08 50km USA40th Skyline 50k Endurance Run 7:45:29 h156
2020
29.02 50km USA6th Salmon Falls 50 km Race 6:55:41 h148
15.02 50km USA8th FOURmidable 50K 7:13:13 h136
18.01 50km USA14th Fremont Fat Ass 50k 6:10:00 h28
2019
30.11 28mi USA35th Quad Dipsea Trail Run 6:46:53 h130
05.10 50mi USA37th Dick Collins Firetrails 50 Mile 12:23:55 h45
24.08 31.5mi USA20th Tamalpa Headlands 50K 7:46:02 h98
10.08 50km USA10th Redwood Summer Trail Run 6:50:38 h21
10.08 50km USA10th Redwood 50 km Summer Trail Run 6:50:38 h21
04.08 50km USA38th Skyline 50k Endurance Run 6:48:49 h89
22.06 52km USA4th The Broken Arrow Skyrace 10:42:52 h353
15.06 50km USA9th Redwood (Spring) 50 km Trail Run 6:20:15 h25
09.03 50km USA8th Marin Ultra Challenge 50 km Race 6:21:23 h122
09.02 50km USA9th Golden Gate 50 km Winter Trail Run 7:17:17 h30
27.01 50km USA13th Fremont Fat Ass 50k 5:23:00 h17
12.01 50km USA9th Steep Ravine 50 km Trail Run 7:27:47 h22
2018
24.11 28mi USA34th Quad Dipsea Trail Run 7:25:19 h183
06.10 50mi USA36th Dick Collins Firetrails 50 Mile 11:32:48 h42
25.08 31.5mi USA19th Tamalpa Headlands 50K 6:58:36 h79
11.08 50km USA9th Redwood Summer Trail Run 7:28:24 h10
07.07 50km USA8th Golden Gate 50 km Summer Trail Run 7:25:12 h30
16.06 52km USA3rd The Broken Arrow Skyrace 10:47:55 h217
19.05 50km USA16th Mount Diablo 50k 9:23:21 h20
14.04 50mi USA10th Lake Sonoma 50 Mile Race 13:55:22 h282
03.03 50km USA29th Way Too Cool 50K Endurance Run 5:59:26 h226
17.02 50km USA6th FOURmidable 50K 6:42:27 h82
27.01 50km USA12th Fremont Fat Ass 50k 5:29:14 h16
2017
25.11 28mi USA33rd Quad Dipsea Trail Run 7:27:24 h191
11.11 50km USA6th Mt. Tam Trail Run 6:57:58 h41
12.08 60km USA1st The Ridge 60k Race 8:03:29 h52
15.04 50mi USA9th Lake Sonoma 50 Mile Race 12:28:15 h219
04.03 50km USA28th Way Too Cool 50K Endurance Run 6:10:58 h325
11.02 50km USA7th Golden Gate 50 km Winter Trail Run 7:01:18 h28
2016
08.10 50mi USA34th Dick Collins Firetrails 50 Mile 12:17:25 h103
28.08 50km USA7th Diablo 50 km Trail Run 8:32:12 h28
13.08 50km USA7th Redwood Summer Trail Run 7:36:21 h14
18.06 50km USA6th Canyon Meadow (Spring) 50 km Trail Run 6:27:05 h22
07.05 100km USA21st Miwok 100k Trail Race 14:42:02 h219
02.04 50km USA5th Grizzly Peak 50k 7:49:42 h21
06.02 50km USA6th Golden Gate 50 km Winter Trail Run 7:31:12 h28
2015
05.12 50km USA9th Endurance Challenge - California Trail 50 km 6:58:01 h297
07.11 50km USA4th Lake Chabot 50 km Trail Run 5:58:35 h16
15.08 50km USA6th Redwood Summer Trail Run 7:51:08 h11
30.05 50mi USA3rd San Francisco 50 Mile Endurance Run 12:07:13 h44
07.03 50km USA26th Way Too Cool 50K Endurance Run 6:57:08 h733
08.02 50km USA5th Golden Gate 50 km Winter Trail Run 7:39:29 h52
2014
20.09 50km USA4th Coastal 50 km Trail Run 7:58:13 h90
31.05 50km USA4th Canyon Meadow (Spring) 50 km Trail Run 6:46:25 h38
10.05 50km USA5th Cinderella 50 km Spring Trail Run 7:43:27 h22