Author Archive | Thorsten

Kona 2011 Rating Report is ready for download!

The Kona 2011 Rating Report focuses on

  • the Kona pro field (men and women),
  • my predictions for Kona 2011,
  • a look at the 2010 Kona results, the KPR standings and qualifying races and also
  • the previous results of the Kona participants.

This is the ideal information to have when following the Ironman Kona coverage! If you haven’t already, please join our mailing list to be notified when new reports become available (just use the form in the sidebar on the right).

Download the Report here.

Feel free to share with others interested in a statistical look at the upcoming race.

Here’s what John Newsom from the IMTalk podcast says about it:

Thorsten provides us with up to date, succinct information on the top pro athletes. No longer do we need to spend precious time searching through pages of results for athlete information for those we know little about and likewise we have a quick reference tool for the top pro’s as well. The additional statistical analysis of results allows us to remove hype and bias and factoring in strength of fields, toughness of courses and other factors to find out who the real fastest athletes in the world are at any given time.

Interested in my 2011 Pre-Kona Rating Report?

I’m currently working on a Rating Report that looks at some of the data I’ve collected and analyzed during this year. The report will focus on

  • the Kona pro field (men and women),
  • the previous results of the Kona participants and
  • my predictions for Kona 2011.

I think that it is going to be a 10-page-plus PDF that will be the ideal information to have when following the Kona coverage. There is a form in the sidebar where you can leave your name and email and I will send the report to you as soon as its done. (You can also send me an email with your email address.) Of course I won’t spam you, but will send out some interesting statistical data.

Update: The report is now available – more info in this post.

Kona TOP3s who didn’t qualify in an Ironman (outside of Hawaii)

With the KPR, every pro that wants to race Kona has to complete at least one Ironman in the “qualifying year” outside of Kona. Now that I have a good number of race results in my database, I can have a look at recent TOP3s in Kona that would not have been able to race under the new qualifying rules. (Even so, my data may not be 100% up to date or complete – please let me know any errors in my post.)

Here’s an overview:

  • winners: Michellie Jones (2006), Chris McCormack (2007), Craig Alexander (2008 and 2009), Mirinda Carfrae (2010)
  • 2nd places: Sam McGlone (2007), Yvonne van Vlerken (2008), Mirinda Carfrae (2009)
  • 3rd places: Kate Major (2007), Virginia Berasategui (2009), Julie Dibens (2010)

This is one winner from each year and 11 out 30 possible (5 years * 3 spots * m/f) places! To me, this was a bit of a surprise, I thought that it was “just” Crowie who only raced Kona.

Where did they get their slots?

  • The TOP10 in one year used to get an automatic spot for the following year.
  • For some time, the 70.3 champions got an automatic qualifier for Kona.
  • Even though the number was pretty small, some 70.3 races also had some pro slots.

Does this large number of athletes who didn’t race an IM during the year (or none at all) mean that WTC should change the qualifying rules? For now, I don’t really think so:

  • With the exception of Macca, all 2010 TOP10 athletes qualified under the new rules. This shows that the new rules have been accepted, even if a bit grudgingly.
  • Giving any number of TOPx athletes from Kona slots for the following year would be a bit unfair compared to those that have to race to qualify: They have a full year to focus on the next Kona race. While this may be a disadvantage, it usually allows them to get to Kona a bit fresher than those that have to race in the summer to get a slot.
  • Especially on the women’s side, the 70.3 champions fared quite well in Kona (even if it meant that it was their first IM). However, the way the points system works now, all the 70.3 champion has to do is to race an Ironman – this should give them enough points to qualify. Also, I think it is fairly reasonable to expect pros not to race Kona as their first Ironman.

So even considering the large number of athletes with good Kona results  that wouldn’t have been able to race under the new KPR rules, I don’t see any need for major changes based on the analysis of the data. From a WTC viewpoint, you could even say that the KPR succeeded in drawing athletes to race more often. However, as indicated earlier, I suggest to wait for the Kona race before a final verdict on the KPR.

A question from Chrissie Wellington: Do women have to race more often for a Kona slot?

Chrissie Wellington has posted a long and as usual thoughtful blog post on “Thoughts, comments and suggestions on the KPR”. One of her points is as follows:

[It] seems that, because the women are competing for 30 total slots, they are having to race more, than the men who are competing for 50. Those at the cusp of the men’s cut off have done far less IM racing than their women counter parts.  In short, some data suggests that the women are racing more to accrue sufficient points to get to Kona.

I thought that with my database of results, I should be in a pretty good position to have a closer look at this question.

All qualifiers

First, lets have a look at the number of races that the Kona qualifiers have raced:


This graph shows the relative frequency of the number of races that female (red) and male (blue) athletes have raced. The shape of the graphs are very similar, and the average number is also pretty close (2.66 for the male, 2.82 for the female. To me, there is no significant difference between the genders.

There are no changes when we limit the number of males to 35 (as with women), either the top 35 or the low 35 qualifiers.

Athletes close to the cutoff

But Chrissie didn’t seem to look at all athletes. So I looked some more and limited the athletes to the 10 above and below the cutoff. With only 20 items in each dataset, the graph looks a bit wonky, but the base shape is still pretty similar:


Here, the male average is 2.25, and the female at 2.85 races – the difference between the genders is a bit larger than for all qualifiers.

So, did females race more often?

Even though Chrissie is a lot closer to the female athletes than I will ever be, her intuition of females racing more often is not supported by my data analysis:

  • Female athletes have a similar average number of races, regardless of weather they qualifies or were close to the cutoff.
  • The larger difference in the averages of athletes close to the cutoff seems to be caused more by the male athletes racing less than the females being “pushed” into racing more often. (Maybe some of those male athletes weren’t really interested in qualifying for Kona and didn’t chase points.)
  • Also, the data gets a bit skewed by prolific female racers close to the cutoff (Miranda Alldritt with 6 races, Hillary Biscay with 5 races) and Mary Beth Ellis having to win three IMs within eight weeks in order qualify.

Then again, I may be missing something, so please leave a comment or send me an email.

Another idea: Change the points scheme for the females

There is however, one thing worth discussing a bit further: Because the size of the female fields are usually a lot smaller (average pro fields are 10 for the females and 18 for males), it is much easier for the females to score quite a lot of points even when they are far behind from the top racers. (I.e. it is much easier for a female to finish in the top 10 than for a male.) The way I see this, it results in the women racking up more points than their male counterparts (case in point: Male cutoff at around 3.000 points, female cutoff at 4.600; male counterpart to the last female qualifier “only” needs 4.200 points).

Chrissie discusses some changes to the points scheme in her blog post as well (although I’m not sure her thoughts were limited to the females). Maybe WTC should have a closer look into this?

Kona Pro Rankings (KPR) – Some more Analysis

Now that I have all the Ironman results from the last few years in my database, I am able to have a look at the impact of the KPR and how some changes would influence the list of qualified athletes. If you have some more questions that I can look into, please drop me an email or let me know in the comments. I’ve got at least one more question I want to look into, but I’m saving that for another post.

Switching to a two year qualifying cycle

This was a question John Newsom from the fabulous IMTalk podcast had asked quite a while back. It is a bit tricky to answer because you first have to establish some ground rules. So here is what I think would be reasonable for a two year qualifying cycle in order to select athletes for Kona 2011:

  • the first race that counts is IM Wisconsin 2009 (instead of 2010 as it was for the one year cycle), the last ones are IM Canada and IM Louisville 2011 (the same as now)
  • you have to race at least one additional Ironman to IM Hawaii to be eligible

While these are pretty obvious and not an area for discussion, the following two may be a bit controversial

  • only IM Hawaii 2010 counts towards qualifying for 2011
  • the total number of results counting towards the KPR remains at five

However, I think these two are sensible choices for a two year qualifying cycle.

First, a little disclaimer: As I don’t have all the 70.3 results in my database, I just used the 2011 results. Therefore, my calculations are not 100% accurate – but they should give us a good indication of how things chance.

With that out of the way, let’s have a look at some athletes that wouldn’t have qualified under my “KPR 2 year rules”:

  • Male: Michael Lovato, Mike Schifferle, James Cunnama, Dirk Bockel, Paul Amey, Joe Gambles, Michael Goehner
  • Female: Maki Nishiuki, Sam Warriner, Miranda Alldritt, Jackie Arendt, Jackie Gordon

Most of these athletes were pretty close to the one-year-cutoff-line and were just overtaken by athletes with relatively better 2010 results:

  • Male: Scott Neyedli, Christian Brader, Uwe Widmann, Stephen Bayliss, Mike Aigroz, Paul Ambrose
  • Female: Meredith Kessler, Eva Dollinger, Meike Krebs, Hillary Biscay

Some of these were injured and couldn’t rack up enough points in 2011 (Neyedli, Bayliss, Kessler) and some ended their career (Widmann?). Hillary Biscay just had some more races that she could score at, which helped her get decent points races count toward the five races.

All in all, from a points perspective nothing much would have changed. But there is still some more room for speculation: What influence would the “relaxed” requirement of “one IM outside of Hawaii in two years” (instead of one year) have had?

  • No change for Crowie – he hadn’t raced an IM outside of Kona for quite some time
  • Andreas Raelert would probably have skipped IM Regensburg – we won’t be able to assess what impact this race is going to have on his race until after Kona
  • Macca would have been eligible for Kona 2011 – now this would be an interesting point: Would he have changed his mind late in the summer after his DNF in London to switch back to IM racing and another Hawaii start? (I for one think it’s too bad that the champ is not going to be back to defend his title.)

I think this last point is the only one that leads to a potential improvement for the Kona field: Lower the requirements for past Kona champions to get back into the race. While it is understandable that WTC wants to have everyone qualify by racing in an IM during the year, the addition of a past winner could change the dynamics of the race. I would propose something like a one or two year automatic spot for the winner of a race or lower the requirement to “just” a 70.3 race.

No points from 70.3 races

One more question that I have seen discussed is weather results from 70.3 races should be included in the Kona points.

First let’s have a look at athletes that wouldn’t have qualified without points from the 70.3 races:

  • Male: Andy Potts, Chris Lieto, Rasmus  Henning, Andi Boecherer, Paul Amey
  • Female: Linsey Corbin, Caitlin Snow, Sam Warriner, Amanda Stevens

Who would have made it in instead:

  • Male: Dirk Wijnalda, Mike Aigroz, Stephan Vuckovic
  • Female: Hillary Biscay, Jackie Arendt, Fernanda Keller

Both “fields” are pretty close to one another, but if I had to choose between the two, I’d probably choose those that made it in with their 70.3 points. However, this is not a sign that the KPR is “good” at choosing the “right” athletes – it is more a consequence of people knowing that they could get enough points in 70.3 races and planned their season accordingly. From a business standpoint, WTC’s decision to count 70.3 points toward Kona is helping the 70.3 races. If they didn’t do this, the 70.3 series would have been seriously impacted by the requirement to race at least one Ironman race to validate a spot. Also, it favors the WTC core market (North America) which has a lot more 70.3 races than the rest of the world.

Overall, I don’t see any pressing need to change the current scheme.

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