Chad Gustafson

ID 19452

Born : 1979 Cat. M45 Ultrarunner since 2005

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

45,8%

Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 434; Σ finishers = 948. 434 / 948 × 100 = 45.78%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed6

Km — ultra races783 km

> 100 km3

> 160 km3

Longest race160,9 km

15th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run — 17/9/2021

Km per year (ultra races)

100

2022

2023

2024

2025

2026

Race types (share of distance)

Road12,8%

Trail87,2%

Records

100 km12h40'50 100 mi28h04'51

HISTORY

6 race(s)

Date		Race	Perf.	Rk
2022
08.01	100km	22nd Bandera 100 km Endurance Run	14:24:02 h	117
2021
17.09	100mi	15th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run	31:10:40 h	77
2019
12.04	100mi	8th The Zion 100 Mile Run	30:28:48 h	84
2018
28.07	100km	4th Never Summer 100k	19:35:11 h	128
2017
20.10	100mi	12th Pony Express Trail 100 Mile	28:04:51 h	12
2005
15.10	100km	19th Edmund Fitzgerald 100K Road Race	12:40:50 h	22

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	17/9/2021	15th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run	160,93	×6
✓ 2	12/4/2019	8th The Zion 100 Mile Run	160,93	×6
✓ 3	20/10/2017	12th Pony Express Trail 100 Mile	160,93	×6
✓ 4	8/1/2022	22nd Bandera 100 km Endurance Run	100,00	×3
✓ 5	28/7/2018	4th Never Summer 100k	100,00	×3
✓ 6	15/10/2005	19th Edmund Fitzgerald 100K Road Race	100,00	×3