Raymond Chia

Ultrarunner since 2011

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 ?

Hong Kong

Singapore

24,6%

Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 624; Σ finishers = 2 537. 624 / 2 537 × 100 = 24.60%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed6

Km — ultra races444 km

Longest race100,0 km

2nd Hong Kong 100 Ultra Trail Race — 18/2/2012

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road22,5%

Trail77,5%

Records

50 km5h03'24 100 km14h59'04 12 h72,45 km

HISTORY

6 race(s)

Date		Race	Perf.	Rk
2013
29.12	12h	5th MR25 Cross Country Ultra Marathon	72.450 km	31
04.10	50km	The North Face 50 Singapore	5:46:52 h	71
2012
13.10	50km	The North Face 50 Singapore	5:03:24 h	10
18.02	100km	2nd Hong Kong 100 Ultra Trail Race	20:05:52 h	285
2011
18.12	12h	3rd MR25 Cross Country Ultra Marathon	71.400 km	30
25.06	100km	1st Sundown 100 km Ultramarathon	14:59:04 h	203

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	18/2/2012	2nd Hong Kong 100 Ultra Trail Race	100,00	×5
✓ 2	25/6/2011	1st Sundown 100 km Ultramarathon	100,00	×5
✓ 3	29/12/2013	5th MR25 Cross Country Ultra Marathon	72,45	×3
✓ 4	18/12/2011	3rd MR25 Cross Country Ultra Marathon	71,40	×3
✓ 5	4/10/2013	The North Face 50 Singapore	50,00	×2
✓ 6	13/10/2012	The North Face 50 Singapore	50,00	×2