Lynne Day
ID 934481
Born : 1968 Cat. W55 Ultrarunner since 2017 USA
31
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
1
Countries visited ?USAUnited States
88,2%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 3 959; Σ finishers = 4 491. 3 959 / 4 491 × 100 = 88.15%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed31
Km — ultra races3 140 km
> 100 km10
> 160 km6
> 200 km3
> 24h4
> 48h2
Longest race321,9 km
4th Cowboy 200 — 26/9/2025

Km per year (ultra races)

258
3 races
2022
211
2 races
2023
484
3 races
2024
813
4 races
2025
148
2 races
2026

Race types (share of distance)

Road10,9%
Trail87,5%
Elim.1,6%

Wins & podiums (ultra)

🏆 Win1
🏆 Win F3
🏅 Top 31
🏅 Top 3 F9
Longest winning streak1
Current streak0

Records

50 km6h32'23100 km19h15'3550 mi12h15'24100 mi28h13'5712 h67,59 km24 h114,26 km

HISTORY

31 race(s)
DateRacePerf.Rk
2026
05.09 12h USA3rd Front Range Ultra Dayze 12h 67.592 km5
11.07 50mi USA19th Leadville Silver Rush 50 Mile Run 13:51:19 h517
2025
25.10 159.2km USA23rd Javelina Jundred 100 Mile Endurance Run 28:49:02 h431
26.09 200mi USA4th Cowboy 200 3d 06:40:52 h30
11.07 12h USA12th Chase the Moon 12 Hour Endurance Run 49.739 km58
05.06 72h USA4th The Sticks 72 Hour Races 281.796 km4
2024
27.07 100mi USA11th Honey Badger 100 Mile Ultra Road Race 28:16:36 h8
30.05 72h USA3rd The Sticks 72 Hour Races 243.010 km11
27.04 50mi USA11th Heartland 50 Mile Race 13:26:02 h10
2023
18.11 100mi USA5th The Stuffed Turkey 100 Mile Endurance Race 29:11:15 h21
25.03 50km USA10th Behind the Rocks 50km Race 8:57:10 h131
2022
30.07 79mi USA7th Maah Daah Hey 75 Mile Trail Run 28:56:04 h1 🏆
30.04 50mi USA9th Heartland 50 Mile Race 12:15:24 h19
26.03 50km USA9th Behind the Rocks 50km Race 9:04:26 h181
2021
08.10 100mi USA22th Heartland 100 Mile Race 28:13:57 h9
12.06 52km USA13th Golden Gate Dirty 30 11:33:54 h366
2020
31.10 24h USA1st Madness in Moab - Canyonlands 24 Hour Race 107.375 km9
25.07 50km USA6th Pikes Peak Ultra 50 km 10:12:49 h110
27.06 50km USA1st Bears Ears 50 km Ultra Race 11:41:57 h84
2019
06.07 50mi USA12th Leadville Silver Rush 50 Mile Run 13:51:19 h515
25.05 50km USA14th Jemez Mountain 50km Trail Run 11:56:05 h185
04.05 50km USA1st Cheyenne Mountain Ultra 10x5k Race 6:32:23 h32
13.04 24h USA6th 24 Hours of Palmer Lake Fun Run 114.263 km16
23.03 50km USA6th Behind the Rocks 50km Race 8:12:38 h203
26.01 50km USA2nd Arches Ultra 50 km Race 7:29:12 h148
06.01 100km USA19th Bandera 100 km Endurance Run 19:15:35 h224
2018
17.11 50mi USA4th Dead Horse 50 Mile Race 12:17:18 h163
27.10 50km USA11th Sage Burner Trail Run 8:21:28 h88
24.03 50km USA5th Behind the Rocks 50km Race 7:59:14 h139
2017
18.11 50mi USA3rd Dead Horse 50 Mile Race 12:24:09 h115
25.03 50km USA4th Behind the Rocks 50km Race 8:55:07 h157