My Boston Marathon, by the numbers

Posted: April 18, 2011 in Uncategorized
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Here are my official results, as grabbed from the Boston Marathon’s official website.

Since post-race analysis continues to be the only time I’m actually interested in numbers, let’s break this down a little further.

If we compute the non-cumulative times for each successive 5k (a marathon is 42.195 kilometers), it goes something like this:

0-5K: 21:39

5-10K: 20:45 (-0:54)

10-15K: 20:38 (-o:07)

15-20K: 20:52 (+0:14)

20-25K: 20:29 (-0:23)

25-30K: 20:32 (+0:03)

30-35K: 20:55 (+0:23)

35-40K: 20:57 (+0:02)

First 5K was slowest, which makes sense since it was hard to navigate around people. Interesting to note that the hillier kilometers were some of the fastest ones. There was a slight decline for the last 10k, but not overly significant.

But who wants to deal with kilometers when we have the good ol’ US of A’s arbitrary distances to analyze. I recorded my splits at each of the official race course mile markers (which were slightly different than the Garmin’s – it recorded 26.39 miles for the race). Here are those splits:

Mile 1: 7:34

Mile 2: 6:43 (-0:51)

Mile 3: 6:39 (-0:04)

Mile 4: 6:36 (-0:03)

Mile 5: 6:47 (+0:11)

Mile 6: 6:38 (-0:09)

Mile 7: 6:33 (-0:05)

Mile 8: 6:42 (+0:09)

Mile 9: 6:39 (-0:03)

Mile 10: 6:42 (+0:03)

Mile 11: 6:42 (0:00)

Mile 12: 6:40 (-0:02)

Mile 13: 6:38 (-0:02)

Mile 14: 6:36 (-0:02)

Mile 15: 6:37 (+0:01)

Mile 16: 6:29 (-0:08)

Mile 17: 6:34 (+0:05)

Mile 18: 6:43 (+0:09)

Mile 19: 6:34 (-0:09)

Mile 20: 6:45 (+0:11)

Mile 21: 7:02 (+0:17)

Mile 22: 6:30 (-0:32)

Mile 23: 6:48 (+0:18)

Mile 24: 6:38 (-0:10)

Mile 25: 6:48 (+0:10)

Mile 26.2: 8:17 (6:41/mile) (-0:07)

These splits show that, apart from Mile 1 (the start) and Mile 21 (which includes Heartbreak Hill), I managed to keep things pretty even, which I’m pretty ecstatic about (even splits don’t exactly come natural to me). I found it interesting that my two fastest miles were Mile 16 and Mile 22 (in the sense that they fell in the latter half of the race and weren’t grouped together), which I guess demonstrates that I felt pretty strong for the majority of the time.

Writing 26 splits is kind of annoying, so let’s break it down a little more simply:

First half marathon: 1:28:21

Second half marathon: 1:27:44 (-0:38)

Managed negative splits.

First marathon: 3:06:20

Boston Marathon: 2:56:05 (-10:15)

PRed by 10:15 with less training. Score.

Final note: Given that bib numbers appear to correspond to one’s qualifying time (ie- the faster you ran to qualify, the lower your number), and one’s qualifying time can be considered a reasonable approximation for the order one would come in in Boston, I suppose I exceed expectations. Bib number was 3330, overall place was 1034. Almost cracked the top thousand!

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