Samuel Wright

ID 820993

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 ?

Australia

8,4%

Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 116; Σ finishers = 1 387. 116 / 1 387 × 100 = 8.36%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed5

Km — ultra races928 km

> 100 km4

> 160 km3

> 200 km3

> 24h4

> 48h3

Longest race288,4 km

Red's Backyard Ultra — 1/8/2026

Km per year (ultra races)

2022

2023

2024

315

2025

563

2026

Race types (share of distance)

Trail5,4%

Elim.94,6%

Records

50 km8h53'33 Backyard43 loops

HISTORY

5 race(s)

Date		Race	Perf.	Rk
2026
01.08	Backyard Ultra	Red's Backyard Ultra	288.358 km (43h)	9
18.04	Backyard Ultra	5th Sydney's Backyard Ultra	274.946 km (41h)	11
2025
12.04	Backyard Ultra	3rd Sydney's Backyard Ultra	214.592 km (32h)	12
15.03	Backyard Ultra	I’m Still Standing Sydney	100.590 km (15h)	39
2016
05.03	50km	CBR100 Challenge 50km	8:53:33 h	50

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	1/8/2026	Red's Backyard Ultra	288,36	×9
✓ 2	18/4/2026	5th Sydney's Backyard Ultra	274,95	×9
✓ 3	12/4/2025	3rd Sydney's Backyard Ultra	214,59	×7
✓ 4	15/3/2025	I’m Still Standing Sydney	100,59	×3
✓ 5	5/3/2016	CBR100 Challenge 50km	50,00	×1