Derek Broadbent

Born : 1981 Cat. M45 Ultrarunner since 2016

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

United States

30,4%

Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 109; Σ finishers = 359. 109 / 359 × 100 = 30.36%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed6

Km — ultra races537 km

> 100 km1

> 160 km1

Longest race160,9 km

7th Flagstaff to Grand Canyon Stagecoach Line 100mi — 21/9/2019

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Trail70,0%

Stage30,0%

Records

50 mi10h11'06 100 mi24h20'00

HISTORY

6 race(s)

Date		Race	Perf.	Rk
2025
26.04	50mi	36th Zane Grey 50 Miles Endurance Run	13:33:48 h	29
2019
21.09	100mi	7th Flagstaff to Grand Canyon Stagecoach Line 100mi	24:20:00 h	12
08.06	54km	4th Flagstaff Extreme Big Pine 54K Trail Run	5:49:11 h	9
2018
28.04	50mi	29th Zane Grey 50 Mile Endurance Run	12:11:24 h	49
2017
04.03	50mi	27th Old Pueblo 50 Mile Endurance Run	11:38:36 h	12
2016
05.03	50mi	26th Old Pueblo 50 Mile Endurance Run	10:11:06 h	4

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	21/9/2019	7th Flagstaff to Grand Canyon Stagecoach Line 100mi	160,93	×7
✓ 2	26/4/2025	36th Zane Grey 50 Miles Endurance Run	80,47	×3
✓ 3	28/4/2018	29th Zane Grey 50 Mile Endurance Run	80,47	×3
✓ 4	4/3/2017	27th Old Pueblo 50 Mile Endurance Run	80,47	×3
✓ 5	5/3/2016	26th Old Pueblo 50 Mile Endurance Run	80,47	×3
✓ 6	8/6/2019	4th Flagstaff Extreme Big Pine 54K Trail Run	54,00	×2