Jeremy Day
ID 112417
Born : 1979 Cat. M45 Ultrarunner since 2009 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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
54,8%
Rank quotient ?This runner's calculation uses 55 eligible race(s): Σ(rank − 1) = 3 153; Σ finishers = 5 749. 3 153 / 5 749 × 100 = 54.84%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed55
Km — ultra races4 843 km
> 100 km11
> 160 km11
> 200 km1
Longest race321,9 km
1st Bigfoot 200 Endurance Run — 7/8/2015

Km per year (ultra races)

50
1 race
2022
230
4 races
2023
287
5 races
2024
50
1 race
2025
2026

Race types (share of distance)

Road5,8%
Trail94,2%

Records

50 km5h01'36100 km15h04'4950 mi9h49'05100 mi25h27'50

HISTORY

55 race(s)
DateRacePerf.Rk
2025
22.11 50km USA4th Colorado Cold Rush Ultra 6:57:43 h71
2024
02.11 35mi USA3rd Bridge Burner Ultra - 35miles 9:08:19 h35
24.08 50mi USA7th UTE 50 Mile Trail Race 16:49:33 h43
27.07 50km USA10th Pikes Peak Ultra 50 km 8:48:06 h56
20.04 50km USA3rd Royal Gorge Groove 8:09:14 h65
13.04 50km USA10th Rattler Trail Race 50K 8:15:50 h55
2023
02.12 50km USA2nd Colorado Cold Rush Ultra 6:59:54 h61
04.11 50km USA2nd Bridge Burner Ultra 7:50:34 h65
21.10 50km USA1st Methodist Mountain Ultra 7:54:05 h27
26.08 50mi USA6th UTE 50 Mile Trail Race 16:11:35 h26
2022
03.12 50km USA1st Colorado Cold Rush Ultra 6:27:45 h31
2020
22.02 50km USA16th Run Toto Run Psycho Wyco 50K 6:24:05 h52
2018
19.05 50km USA13th Jemez Mountain 50km Trail Run 9:45:29 h182
24.02 50km USA14th Run Toto Run Psycho Wyco 50K 7:51:34 h56
2017
07.04 100mi USA6th The Zion 100 Mile Run 32:38:30 h143
2015
05.12 52km USA4th Isle du Bois Trail Run 7:01:21 h18
07.08 200mi USA1st Bigfoot 200 Endurance Run 4d 05:08:51 h57
21.02 100mi USA2nd Lake Ouachita Vista Trail Endurance 100 Mile Run (LOViT) 32:59:30 h6
2014
22.02 100km USA1st Lake Ouachita Vista Trail Endurance 100 km Run (LOViT) 16:51:00 h14
11.01 100km trail race USA14th Bandera 100 km Ultratrail - Open race 15:04:49 h92
2013
02.11 100mi USA5th Ozark Trail 100 Mile Endurance Run 30:48:15 h30
16.08 120mi CAN4th Fat Dog 120 Mile Trail Race 45:09:00 h14
14.06 100mi USA22nd Bighorn Mountain Wild & Scenic 100 Mile Trail Run 33:15:52 h113
01.06 50km USA2nd Whispering Pines 50 km Trail Run 6:43:26 h20
18.05 50km USA11th Superior Spring 50 km Trail Race 7:24:24 h127
27.04 52mi USA1st Possum Kingdom Trail Run 52 Miles 11:36:21 h12
16.03 50mi trail race USA9th Three Days of Syllamo 50 Mile Run 13:36:21 h58
15.03 50km trail race USA9th Three Days of Syllamo 50 km Run 7:15:09 h33
24.02 50km USA6th The Cowtown Marathon 5:20:45 h133
13.01 100km trail race USA13th Bandera 100 km Ultratrail 15:55:55 h94
2012
08.12 50km USA2nd Isle du Bois Trail Run 7:25:08 h41
07.09 100mi USA22th Superior Fall Trail Races 100 Mile 37:24:39 h84
21.07 100mi USA11th Tahoe Rim Trail 100M Endurance Run 33:26:45 h78
30.03 100mi USA2nd Badger Mountain 100 Mile Challenge 31:32:18 h34
10.03 50mi USA8th Three Days of Syllamo 50 Mile Run 13:19:29 h38
26.02 50km USA5th The Cowtown Marathon 5:01:36 h83
04.02 100mi USA20th Rocky Raccoon 100 Mile Trail Run 25:27:50 h110
07.01 100km USA12th Bandera 100 km Ultratrail 16:58:02 h103
2011
29.10 100mi USA5th Cactus Rose 100 Mile 29:35:20 h23
25.09 50mi USA18th Vermont 50 Miles Ultra Run 10:58:23 h165
27.08 60km USA5th Capt'n Karl's Trail Series - Muleshoe Bend 8:36:34 h28
06.08 60km USA5th Capt'n Karl's Trail Series - Pedernales Falls 6:54:34 h12
16.07 60km USA2nd Captn Karls - the Lake 8:48:04 h21
02.04 50mi USA11th Hells Hills 50 Mile Race 10:15:17 h16
19.03 50mi USA12th Grasslands 50 Mile Trail Run 11:22:00 h20
05.03 50mi USA2nd Nueces 50 Mile Trail Run 10:47:44 h18
26.02 50km USA4th The Cowtown Marathon 5:17:36 h75
08.01 100km USA11th Bandera 100 km Ultratrail 16:42:27 h94
2010
22.10 50mi USA26th Palo Duro 50 Mile Trail Run 9:49:05 h10
04.09 60km USA4th Capt'n Karl's Trail Series - Muleshoe Bend 60km 8:53:21 h22
24.07 60km USA1st Captn Karls - the Lake 9:09:19 h26
03.07 51.5mi USA1st Midnight Madness 50 Miler Road Race 9:55:53 h20
27.02 50km USA3rd The Cowtown Marathon 5:18:03 h66
06.02 50mi USA18th Rocky Raccoon 50 Mile Trail Run 11:51:51 h156
2009
07.11 50km USA17th Rocky 50 km Trail Run 6:34:58 h76