Alex Fenn
ID 464265
Born : 1991 Cat. M35 Ultrarunner since 2013 USA
12
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
10,4%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 68; Σ finishers = 654. 68 / 654 × 100 = 10.40%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed12
Km — ultra races1 805 km
> 100 km7
> 160 km7
> 200 km4
> 24h6
> 48h1
Longest race241,4 km
5th Capital Backyard Ultra — 25/5/2024

Km per year (ultra races)

2022
161
1 race
2023
456
2 races
2024
382
3 races
2025
183
1 race
2026

Race types (share of distance)

Road60,0%
Trail26,7%
Elim.13,4%

Wins & podiums (ultra)

🏆 Win3
🏆 Win M4
🏅 Top 37
🏅 Top 3 M7
Longest winning streak1
Current streak0

Records

50 km5h43'2250 mi11h03'38100 mi17h50'506 h62,25 km12 h94,15 km24 h235,65 kmBackyard36 loops

HISTORY

14 race(s) · 6 split(s) nested
DateRacePerf.Rk
2026
07.02 24h USA4th The Raven 24 Hour 183.019 km3 🥉
2025
06.12 9h USA1st Cape Fear Hoilday Run 96.029 km1 🏆
10.05 24h USA30th Dawn to Dusk to Dawn 24 Hour 235.650 km3 🥉
13.04 50km USA14th Mountains to Sea Challenge 5:43:22 h27
2024
12.10 24h USA6th Cape Fear 24 Hour Endurance Run 214.292 km2 🥈
25.05 Backyard Ultra USA5th Capital Backyard Ultra 241.416 km (36h)6
2023
01.04 100mi USA28th Umstead Endurance Run 100 Miles 17:50:50 h6
2020
21.11 24h USA1st Raleigh Runaround 24 Hour Run 215.716 km1 🏆
21.11 100km USA1st Raleigh Runaround 24 Hour Run - 100 km Split 9:20:39 h1 🏆
21.11 100mi USA1st Raleigh Runaround 24 Hour Run - 100 Mile Split 15:38:37 h1 🏆
2019
12.10 24h USA2nd Cape Fear 24 Hour Endurance Run 171.433 km3 🥉
13.04 6h USAJordan Lake 6-Hour Challenge 62.249 km1 🏆
2017
07.07 12h USA4th Chase the Moon 12 Hour Endurance Run 94.146 km4
2013
29.09 50mi USA4th The Bear Chase 50 Mile 11:03:38 h23