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Ironman Taiwan 2018: Age Group Results and Kona Qualification

Delayed, but not forgotten: Ironman Taiwan took place over a week ago now and I’m finally getting to my analysis. Taiwan is a smaller race and offers a slightly lower slot allocation of 35 slots for the 2019 Ironman World Championship. Conditions on race day mean this was another race with an altered course – in this case, a swim of only 400m to start the day. As before this limits the comparisons we can make with previous results.

Distribution of Finisher Splits at Ironman Taiwan 2018 Compared with 2015-2017

The drastic shortening of the swim means there’s no real way to compare either the swim element or the overall splits from this year’s race. We can check bike and run against each other, but in the knowledge that many will have missed more than an hour of swim time beforehand. The bike trends much faster at the front of the field, but around the same at the median. The run trends faster across the field.

DNS and DNF Rates at Ironman Taiwan
Year
Listed Athletes
Swim Finish
Swim DNS/DNF
Bike Finish
Bike DNF
Run Finish
Run DNF
Overall DNS/DNF
2015
1023
885
13.5%
864
2.4%
815
5.7%
20.3%
2016
922
916
0.7%
857
6.4%
802
6.4%
13%
2017
428
425
0.7%
385
9.4%
340
11.7%
20.6%
2018
793
785
1%
734
6.5%
685
6.7%
13.6%

I’m surprised there were any DNFs for a 400m swim, but possibly people pulled out in T1 in the conditions of the day. Otherwise the DNF rate looks unexceptional for the race.

Median Splits by Age Group at Ironman Taiwan 2018
Median Splits by Age Group at Ironman Taiwan 2015-2017

Median trends follow those of the distributions – variable bike splits and consistently faster run medians across the age groups. Beyond that the swim and the overall can’t be compared.

Top 10 Nationalities at Ironman Taiwan
Country
Count
Percentage
Taiwan
311
34.8
Japan
213
23.8
China
75
8.4
Hong Kong
63
7
Malaysia
29
3.2
United States
23
2.6
Australia
22
2.5
Singapore
20
2.2
Germany
13
1.5
United Kingdom
11
1.2
Ironman Taiwan 2018 Predicted Kona Qualifiers by Country
Country
Percentage of Slots
Percentage of Field
Japan
28.6
23.8
Australia
14.3
2.5
Italy
8.6
1.0
Taiwan
8.6
34.8
United Kingdom
5.7
1.2
Germany
5.7
1.5
Denmark
5.7
0.7
United States
2.9
2.6
Sweden
2.9
0.4
Hungary
2.9
0.2
France
2.9
1.0
China
2.9
8.4
Jersey
2.9
0.1
Belgium
2.9
0.2

The majority of competitors come either from Taiwan or Japan. Japan looks to take most of the available slots with Australia taking the next biggest chunk.

Changes in Male Finishing Times by Position at Ironman Taiwan
Changes in Female Finishing Times by Position at Ironman Taiwan

There’s huge variation in age group times over the four years of racing – not least due to this year’s shortened swim. The smaller field size also makes for greater variation in performances as you go further back in each age group.

Ironman Taiwan 2018 Predicted Kona Qualification Times
Age Group
Slots
Winner
Average Kona Qualifier
Final Qualifier
M18-24
1
08:43:35
08:43:35
08:43:35
M25-29
1
09:11:48
09:11:48
09:11:48
M30-34
4
08:32:45
08:49:02
09:05:27
M35-39
4
08:43:49
09:07:40
09:29:08
M40-44
4
08:43:48
08:56:37
09:13:04
M45-49
4
09:05:21
09:13:21
09:19:26
M50-54
2
09:17:21
09:19:01
09:20:42
M55-59
1
10:02:49
10:02:49
10:02:49
M60-64
1
10:45:16
10:45:16
10:45:16
M65-69
1
13:20:30
13:20:30
13:20:30
M70-74
1
13:03:45
13:03:45
13:03:45
F18-24
1
10:43:13
10:43:13
10:43:13
F25-29
1
10:50:40
10:50:40
10:50:40
F30-34
1
10:10:48
10:10:48
10:10:48
F35-39
1
10:07:04
10:07:04
10:07:04
F40-44
1
09:39:15
09:39:15
09:39:15
F45-49
1
10:07:35
10:07:35
10:07:35
F50-54
1
10:53:39
10:53:39
10:53:39
F55-59
1
10:02:05
10:02:05
10:02:05
F60-64
1
14:51:31
14:51:31
14:51:31
F65-69
1
14:56:44
14:56:44
14:56:44

Based on the starting numbers I’ve estimated the Kona slot allocation for each age group – actual numbers may have varied. From this I’ve calculated the qualification time in each age group before roll down. You can compare this with other races on my Kona qualification page.

Top Twenty Male Performances and Kona Qualification by Age Group at Ironman Taiwan 2018
Top Twenty Female Performances and Kona Qualification by Age Group at Ironman Taiwan 2018

There’s not much to comment on for the top twenty in each age group. A shortened swim and for the front of the pack a faster bike and run after ensures the times are well ahead of the averages in all, but the smallest age groups.

You can access a spreadsheet of the full results from Ironman Taiwan 2018 on my Google Drive.

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