Joseph Blackmore
ID 2000323
Born : 1992 Cat. M23 Ultrarunner since 2023 USA
5
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
16
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 ?GBRUnited KingdomUSAUnited States
12,7%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 237; Σ finishers = 1 861. 237 / 1 861 × 100 = 12.74%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed5
Km — ultra races283 km
Longest race80,5 km
14th Flagstaff Sky Peaks 50 Miles Mountain Run — 27/9/2025

Km per year (ultra races)

2022
53
1 race
2023
48
1 race
2024
182
3 races
2025
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km4h55'5650 mi8h50'22

HISTORY

5 race(s)
DateRacePerf.Rk
2025
27.09 50mi USA14th Flagstaff Sky Peaks 50 Miles Mountain Run 8:50:22 h2 🥈
26.04 50km USA12th The Canyons Endurance 50 km Run 4:55:56 h78
09.02 52km USA12th Black Canyon Trail 50 km Run 5:17:25 h90
2024
11.10 48km USA14th Kodiak Ultra Marathons by UTMB - 50K 5:33:37 h54
2023
20.05 53km GBR7th Maverick X Ultra Peak District 5:22:42 h18