ITRA - International Trail Running Association - official world ranking of trail runners recognized by World Athletics
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Calvin SIU

ITRA ID: 6602567

Gender: Male

Age Category: M 40-44

ITRA Performance Index
283 Novice
1
Finished Races

2

2
Total Race Time

08:27:02

3
Total Distance

35.5 km

4
Total Elevation

+1,888 m

5
Best Performance - Race Score

DNF

6
Best Race Ranking (Male )

DNF

7
Longest Race Distance

DNF

8
Race with Highest Elevation

DNF

Endurance Points

0

x0

1

x2

2

x0

3

x0

4

x0

5

x0

6

x0

ITRA Performance Index Ranking

World Top 93.02 %

World Ranking

Overall (Male )

1,377,975

1,481,443

Age Group (M 40-44)

DNF

DNF

Continent Ranking (Asia)

Overall (Male )

292,073

360,130

Age Group (M 40-44)

DNF

DNF

Country Ranking (Hong Kong, China)

Overall (Male )

11,189

13,758

Age Group (M 40-44)

DNF

DNF

Latest Results

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Race
Country
Distance/M+
Endurance Points
Gender Ranking
Race Time
Race Score Race Score
2025-09-14
Category
Half Marathon
HKG
Distance/M+
17 km / 859 m+
Itra Point 1

1

Gender Ranking
612
Race Time
3:58:14
Race Score
DNF
2025-07-13
Category
Half Marathon
HKG
Distance/M+
17 km / 1029 m+
Itra Point 1

1

Gender Ranking
606
Race Time
4:28:48
Race Score
DNF
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World Runner Ranking

Discover the official world ranking of trail runners based on their ITRA Performance Index.

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