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

ITRA ID: 1800405

Gender: Female

Age Category: F 45-49

ITRA Performance Index
522 Advanced 4
1
Finished Races

18

2
Total Race Time

252:29:46

3
Total Distance

1,281.3 km

4
Total Elevation

+69,667 m

5
Best Performance - Race Score

DNF

6
Best Race Ranking (Female )

DNF

7
Longest Race Distance

DNF

8
Race with Highest Elevation

DNF

Endurance Points

0

x0

1

x0

2

x6

3

x5

4

x5

5

x0

6

x1

ITRA Performance Index Ranking

World Top 4.20 %

World Ranking

Overall (Female )

30,680

730,961

Age Group (F 45-49)

DNF

DNF

Continent Ranking (Asia)

Overall (Female )

3,008

168,357

Age Group (F 45-49)

DNF

DNF

Country Ranking (Japan)

Overall (Female )

461

8,298

Age Group (F 45-49)

DNF

DNF

Latest Results

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Race
Country
Distance/M+
Endurance Points
Gender Ranking
Race Time
Race Score Race Score
2025-11-08
Category
Marathon
JPN
Distance/M+
36 km / 2069 m+
Itra Point 2

2

Gender Ranking
1
Race Time
5:12:22
Race Score
DNF
2024-10-20
Category
Half Marathon
JPN
Distance/M+
34 km / 1848 m+
Itra Point 2

2

Gender Ranking
4
Race Time
5:32:47
Race Score
DNF
2023-11-05
Category
50K
JPN
Distance/M+
53 km / 3000 m+
Itra Point 3

3

Gender Ranking
9
Race Time
10:10:30
Race Score
DNF
2023-08-28
Category
100M
ITA
Distance/M+
158 km / 8900 m+
Itra Point

Gender Ranking
99
Race Time
42:56:04
Race Score
DNF
2023-06-10
Category
100K
OKUSHINANO 100 - 100K
National League
Itra Point 4

4

JPN
Distance/M+
100 km / 4680 m+
Itra Point 4

4

Gender Ranking
15
Race Time
15:52:54
Race Score
DNF
2023-05-26
Category
100M
Tokyo Grand Trail - 160k
National League
Itra Point 6

6

JPN
Distance/M+
160 km / 11690 m+
Itra Point 6

6

Gender Ranking
9
Race Time
48:06:52
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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