Cassie Kottke
ID 91891
Born : 1982 Cat. W40 Ultrarunner since 2009 USA
46
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
1
Countries visited ?USAUnited States
45,5%
Rank quotient ?This runner's calculation uses 46 eligible race(s): Σ(rank − 1) = 2 841; Σ finishers = 6 240. 2 841 / 6 240 × 100 = 45.53%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed46
Km — ultra races4 275 km
> 100 km17
> 160 km9
> 24h3
> 48h1
Longest race160,9 km
21th Heartland 100 Mile Race — 10/10/2020

Km per year (ultra races)

2022
54
1 race
2023
2024
100
1 race
2025
2026

Race types (share of distance)

Road21,3%
Trail76,3%
?2,3%

Wins & podiums (ultra)

🏆 Win1
🏆 Win F8
🏅 Top 34
🏅 Top 3 F14
Longest winning streak1
Current streak0

Records

50 km4h58'19100 km13h14'5050 mi9h19'00100 mi22h57'406 h51,58 km24 h128,84 km48 h100,22 km

HISTORY

46 race(s) · 4 split(s) nested
DateRacePerf.Rk
2025
19.06 48h USA8th Six Days in the Dome - The Redux 48h 100.220 km24
2023
24.06 8h USA13th Dawn to Dusk Endurance Run 8 Hour 54.315 km6
2021
23.10 50mi USA16th The Door County Fall 50 9:19:00 h30
17.04 52mi USA5th Blue Ridge Double Marathon 11:31:42 h47
2020
10.10 100mi USA21th Heartland 100 Mile Race 22:57:40 h3 🥉
25.07 50km USA6th Bunk House Trail Runs 6:31:22 h9
2019
10.11 31.2mi USA7th tBunk Endurance Challenge 50 km 6:01:40 h22
16.08 100mi USA15th Lean Horse Ultra-Marathon 100 Mile 23:09:54 h8
04.05 24h USA38th Cornbelt Running Club 24 Hour Run 128.844 km10
02.03 50km USA6th Monument Valley 50 km Race 6:50:56 h27
2018
29.12 80mi USA10th Tuscobia Winter 80 Mile Ultramarathon 21:47:00 h5
10.11 100mi USA5th Tunnel Hill 100 Mile Race 25:39:53 h103
06.10 100mi USA28th Arkansas Traveller 100 26:42:37 h34
30.06 15:30h USA8th Dawn to Dusk Endurance Run 15:30 Hour 98.169 km6
05.05 24h USA37th Cornbelt Running Club 24 Hour Run 111.044 km7
24.02 40mi USA19th Mount Mitchell Challenge 7:47:17 h93
2017
30.12 80mi USA9th Tuscobia Winter 80 Mile Ultramarathon 24:34:00 h3 🥉
28.10 100mi USA15th Javelina Jundred 100 Mile Endurance Run 24:23:35 h119
02.09 6h USA12th Badgerland F/X 6 Hour Run (day) 51.579 km1 🏆
03.06 50km USA22nd Kettle Moraine 50 km Endurance Run 6:23:54 h7
08.04 50km USA11th Mad City 50K Road Race 5:19:37 h19
25.03 50km USA5th Paleozoic Trail Runs - Silurian Spring 50K 5:47:58 h41
2016
12.11 50mi USA3rd Tunnel Hill 50 Mile Race 10:26:58 h110
04.06 100mi USA21st Kettle Moraine 100 Mile Endurance Run 26:56:38 h76
14.05 50mi USA35th Ice Age Trail 50 Mile Run 10:10:24 h107
19.03 68mi USA4th Georgia Death Race 21:10:00 h101
2015
25.07 50mi USA9th Burning River 50 Mile Endurance Run 10:11:00 h25
27.06 15:30h USA5th Dawn to Dusk Endurance Run 15:30 Hour 118.850 km2 🥈
13.06 70.5mi USA36th Laurel Highlands 70 Mile Ultra 17:36:51 h33
30.05 50km USA1st Apple Creek 50k 6:13:21 h11
18.01 50km USA1st Clearwater Distance Classic 50k Ultra 4:58:19 h25
2014
06.12 50km USA1st Arctic Frog 50 km Race 5:18:05 h23
12.07 50km USA11th Dances with Dirt - Devil's Lake 50K Ultra 6:11:07 h48
07.06 100mi USA19th Kettle Moraine 100 Mile Endurance Run 26:22:33 h48
2013
15.09 50mi USA6th Endurance Challenge - Wisconsin Trail 50 Miles 9:22:00 h53
20.07 50mi USA12th Tahoe Rim Trail 50M Endurance Run 12:36:00 h44
17.02 50km USA3rd Destin 50 km Beach Ultra 5:13:39 h5
2012
18.08 100mi USA30th Leadville Trail 100 Mile 29:42:48 h345
02.06 100km USA17th Kettle Moraine 100 km Endurance Run 13:14:50 h19
2011
20.08 100mi USA29th Leadville Trail 100 Mile 29:20:13 h278
04.06 38mi USA16th Kettle Moraine 38 Mile Fun Run 7:46:56 h11
14.05 50mi USA30th Ice Age Trail 50 Mile Run 9:36:19 h79
2010
20.11 50mi USA48th JFK 50 Mile 10:43:37 h586
10.10 50km USA24th Glacial Trail 50 km Race 5:53:37 h29
08.05 50mi USA29th Ice Age Trail 50 Mile Run 10:44:03 h126
2009
24.10 50km USA2nd Endurance Challenge - Wisconsin Trail 50 km 5:41:35 h79