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2015 Ironman 70.3 Japan

June 6, 2015 · Cantrai Chita Peninsula, Japan

Data: Ironman™ · Updated 7/7/2025 · Quality: unknownHow data works

Race editions

Switch year or compare this race across stored editions.

201920182017201620152014
Distance
Half-Iron (70.3 miles)
Middle Distance
Field size
17
10 men · 7 women
Men SOF
Unavailable
Women SOF
Unavailable

Race story in the data

Men: Mitchell Robins won in 4:04:59 with a +1:38 margin. Kuniaki Takahama had the fastest run (1:15:37).

Women: Shiao-yu Li won in 4:37:40 with a +1:35 margin. Shiao-yu Li had the fastest run (1:28:21).

Shareable race cards

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Race summary

2015 Ironman 70.3 Japan 2015 - Men

ProTriStats

Winner: Mitchell Robins in 4:04:59

Margin: +1:38

Fastest bike: Mitchell Robins - 2:19:52

Fastest run: Kuniaki Takahama - 1:15:37

Top points: Mitchell Robins - 42.02 pts

Field: 10/10 finishers

Race summary

2015 Ironman 70.3 Japan 2015 - Women

ProTriStats

Winner: Shiao-yu Li in 4:37:40

Margin: +1:35

Fastest bike: Shiao-yu Li - 2:34:24

Fastest run: Shiao-yu Li - 1:28:21

Top points: Shiao-yu Li - 35.58 pts

Field: 7/7 finishers

Men race summary

10 finishers from 10 starters

Winner
Mitchell Robins
4:04:59
Winning margin
+1:38
Gap to second place
Fastest swim
Mitchell Robins · 22:43
Fastest bike
Mitchell Robins · 2:19:52
Fastest run
Kuniaki Takahama · 1:15:37
Top points
Mitchell Robins
42.02 pts

Women race summary

7 finishers from 7 starters

Winner
Shiao-yu Li
4:37:40
Winning margin
+1:35
Gap to second place
Fastest swim
Bree Wee · 23:04
Fastest bike
Shiao-yu Li · 2:34:24
Fastest run
Shiao-yu Li · 1:28:21
Top points
Shiao-yu Li
35.58 pts

Men split podiums

Fastest stored segment times. These are segment rankings, not cumulative race-position order.

Swim

  1. 1
    Mitchell Robins
    Finish 1
    22:43
  2. 2
    Kuniaki Takahama
    Finish 7
    22:45
  3. 3
    Alex Reithmeier
    Finish 3
    22:46

T1

Split unavailable.

Bike

  1. 1
    Mitchell Robins
    Finish 1
    2:19:52
  2. 2
    Alex Reithmeier
    Finish 3
    2:20:47
  3. 3
    Derek Cross
    Finish 8
    2:21:44

T2

Split unavailable.

Run

  1. 1
    Kuniaki Takahama
    Finish 7
    1:15:37
  2. 2
    Ryan Waddington
    Finish 2
    1:17:52
  3. 3
    Kaito Tohara
    Finish 4
    1:18:13
Off-bike and off-run position order needs cumulative split-position data. ProTriStats currently stores segment times and segment ranks, so this page reports the fastest bike split rather than who entered T2 first.

Women split podiums

Fastest stored segment times. These are segment rankings, not cumulative race-position order.

Swim

  1. 1
    Bree Wee
    Finish 3
    23:04
  2. 2
    Sandra Fantini
    Finish 6
    24:49
  3. 3
    Keiko Tanaka
    Finish 2
    24:51

T1

Split unavailable.

Bike

  1. 1
    Shiao-yu Li
    Finish 1
    2:34:24
  2. 2
    Keiko Tanaka
    Finish 2
    2:38:32
  3. 3
    Emi Sakai
    Finish 5
    2:42:11

T2

Split unavailable.

Run

  1. 1
    Shiao-yu Li
    Finish 1
    1:28:21
  2. 2
    Keiko Tanaka
    Finish 2
    1:31:31
  3. 3
    Stef Puszka
    Finish 4
    1:32:44
Off-bike and off-run position order needs cumulative split-position data. ProTriStats currently stores segment times and segment ranks, so this page reports the fastest bike split rather than who entered T2 first.

PodiumMen

Winner time: 4:04:59
🥇#1
AU
Mitchell Robins
4:04:59
42.02 pts
🥈#2
AU
Ryan Waddington
4:06:37
37.19 pts
🥉#3
AU
Alex Reithmeier
4:07:30
34.58 pts

PodiumWomen

Winner time: 4:37:40
🥇#1
TW
Shiao-yu Li
4:37:40
35.58 pts
🥈#2
JP
Keiko Tanaka
4:39:15
31.41 pts
🥉#3
US
Bree Wee
4:49:35
4.20 pts

Men · Split Rank Flow

Top finishers by stored split rank. Lower lines are worse ranks; this is not cumulative race position at each checkpoint.

Top 8
#1#5#10SwimBikeRunFinish#1#2#3#4#5#6#7#8
Mitchell Robins1Ryan Waddington2Alex Reithmeier3Kaito Tohara4Swen Sundberg5Yu Shinozaki6Kuniaki Takahama7Derek Cross8

Women · Split Rank Flow

Top finishers by stored split rank. Lower lines are worse ranks; this is not cumulative race position at each checkpoint.

Top 7
#1#5#10SwimBikeRunFinish#1#2#3#4#5#6#7
Shiao-yu Li1Keiko Tanaka2Bree Wee3Stef Puszka4Emi Sakai5Sandra Fantini6Mami Ishii7

Men · Finish Time Distribution

Women · Finish Time Distribution

Male Pro Results

10 participants

4:04:59
Swim
22:43
Bike
2:19:52
Run
1:18:18
4:06:37
Swim
22:51
Bike
2:21:46
Run
1:17:52
4:07:30
Swim
22:46
Bike
2:20:47
Run
1:19:48
4:09:09
Swim
22:54
Bike
2:24:02
Run
1:18:13
4:15:45
Swim
22:55
Bike
2:22:59
Run
1:25:26
4:21:40
Swim
25:21
Bike
2:24:46
Run
1:27:05
4:21:44
Swim
22:45
Bike
2:38:18
Run
1:15:37
4:23:17
Swim
22:47
Bike
2:21:44
Run
1:34:24
4:28:57
Swim
24:48
Bike
2:32:37
Run
1:27:06
4:34:06
Swim
25:59
Bike
2:36:16
Run
1:27:20
PosAthleteTimeGapSwimT1BikeT2RunPoints
1Mitchell RobinsAU4:04:59Winner22:43—2:19:52—1:18:1842.02
2Ryan WaddingtonAU4:06:37—22:51—2:21:46—1:17:5237.19
3Alex ReithmeierAU4:07:30—22:46—2:20:47—1:19:4834.58
4Kaito ToharaJP4:09:09—22:54—2:24:02—1:18:1329.70
5Swen SundbergDE4:15:45—22:55—2:22:59—1:25:2610.18
6Yu ShinozakiJP4:21:40—25:21—2:24:46—1:27:05—
7Kuniaki TakahamaJP4:21:44—22:45—2:38:18—1:15:37—
8Derek CrossAU4:23:17—22:47—2:21:44—1:34:24—
9Daiki MasudaJP4:28:57—24:48—2:32:37—1:27:06—
10Zsombor DeakRO4:34:06—25:59—2:36:16—1:27:20—

Female Pro Results

7 participants

4:37:40
Swim
29:17
Bike
2:34:24
Run
1:28:21
4:39:15
Swim
24:51
Bike
2:38:32
Run
1:31:31
4:49:35
Swim
23:04
Bike
2:42:54
Run
1:38:12
4:50:44
Swim
28:47
Bike
2:42:58
Run
1:32:44
4:51:29
Swim
29:18
Bike
2:42:11
Run
1:34:17
4:58:20
Swim
24:49
Bike
2:47:55
Run
1:39:31
5:01:59
Swim
27:13
Bike
2:54:05
Run
1:35:37
PosAthleteTimeGapSwimT1BikeT2RunPoints
1Shiao-yu LiTW4:37:40Winner29:17—2:34:24—1:28:2135.58
2Keiko TanakaJP4:39:15—24:51—2:38:32—1:31:3131.41
3Bree WeeUS4:49:35—23:04—2:42:54—1:38:124.20
4Stef PuszkaAU4:50:44—28:47—2:42:58—1:32:441.18
5Emi SakaiJP4:51:29—29:18—2:42:11—1:34:17—
6Sandra FantiniFR4:58:20—24:49—2:47:55—1:39:31—
7Mami IshiiJP5:01:59—27:13—2:54:05—1:35:37—