Ann Merfeld
ID 1238077
Born : 1963 Cat. W60 Ultrarunner since 2018 USA
29
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
82,0%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 1 360; Σ finishers = 1 658. 1 360 / 1 658 × 100 = 82.03%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed29
Km — ultra races1 972 km
> 100 km3
> 160 km1
> 24h13
> 48h3
Longest race162,5 km
11th A Race for the Ages — 28/8/2025

Km per year (ultra races)

186
3 races
2022
254
5 races
2023
520
8 races
2024
505
5 races
2025
257
4 races
2026

Race types (share of distance)

Road58,8%
Trail36,0%
Elim.2,6%
?2,6%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F2
Longest winning streak0
Current streak0

Records

50 km8h21'21100 km28h39'0212 h50,71 km24 h85,46 km48 h108,15 kmBackyard8 loops

HISTORY

29 race(s) · 1 split(s) nested
DateRacePerf.Rk
2026
03.09 92h USA12th A Race for the Ages 102.998 km97
01.08 50km USA8th Badger Trail Races by Ten Junk Miles Racing 9:55:58 h87
06.06 24h USA37th FANS 24 Hour Runs 54.025 km61
23.05 50km USA6th Sugar Badger 50 km Race 9:53:36 h127
2025
27.09 24h USA12th 24 Hours of Palmer Lake Fun Run 52.834 km98
19.09 48h USA6th Last Dot Standing 48 Hours 108.147 km16
28.08 92h USA11th A Race for the Ages 162.543 km58
02.08 100km USA7th Badger Trail Races by Ten Junk Miles Racing 28:39:02 h68
31.05 24h USA36th FANS 24 Hour Runs 81.304 km58
2024
05.10 50km USA4th Fire Tower 50 km Trail Race 10:19:45 h112
31.08 36h USA8th The Blood Run at The Good Earth Farm 36 Hour 86.099 km8
17.08 Backyard Ultra USA4th Baby Backyard Ultra 5K-50K 51.499 km9
03.08 100km USA6th Badger Trail Races by Ten Junk Miles Racing 28:53:51 h49
17.06 12h USA7th Six Days in the Dome - The Redux 12h 50.553 km12
01.06 24h USA35th FANS 24 Hour Runs 82.237 km45
25.05 50km USA4th Sugar Badger 50 km Race 9:19:59 h63
20.04 50km USA18th Mad City 50K Road Race 8:27:58 h41
2023
11.11 12h USA17th KUS 12 Hour Ultramarathon 50.710 km24
02.09 24h USA7th The Blood Run at The Good Earth Farm 24 Hour 51.708 km10
19.08 50km USA2nd Eddy Trail Races 10:07:28 h26
24.06 24h USA6th Run S'more 24 Hour Race 51.499 km35
27.05 50km USA3rd Sugar Badger 50 km Race 9:14:07 h74
2022
12.11 12h USA16th KUS 12 Hour Ultramarathon 50.710 km18
05.11 50km USA1st Flat Branch Ultra 8:21:21 h25
04.06 24h USA33th FANS 24 Hour Runs 85.456 km27
2021
28.08 24h USA32th FANS 24 Hour Runs 65.339 km42
2019
01.06 24h USA30th FANS 24 Hour Runs 84.812 km48
25.05 50km USA6th Booneville Backroads Ultra 50 km 8:29:46 h45
2018
06.10 50km USA1st Dream Chaser 50 km Run 8:21:40 h6