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Rock 'N Roll San Antonio Half Marathon - RunHalf Marathon

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San Antonio, Texas
United States
65F / 18C
Total Time = 1h 40m 23s
Overall Rank = 427/20021
Age Group = M45-49
Age Group Rank = 43/880
Event warmup:

It took about an hour and a half to get from home to parking lot to shuttle to start line. Best move was to use the bathrooms at the shuttle pickup rather than at the race start!

Ran about a mile with some faster pickups thrown in.
  • 1h 40m 23s
  • 13.1 miles
  • 07m 40s  min/mile

The first mile was at exactly 7:15 which was the pace to hit my goal time of 1:35. I really wanted to negative split the race, so maybe 7:15 was a bit fast, but it felt good. I kept that pace through the first 6 miles....

After mile 6 there were a couple of slightly downhill miles so I figured I was still good, but was surprised that I'd slowed to a 7:35 pace. It pretty much went downhill from there. By mile 9 I knew the 1:35 finish was out of the question, then I started doing the math calculations to ensure that I finished under 1:40. Not much I could do about picking up the pace, unfortunately.

Mile 1: 7:15
Mile 2: 7:14
Mile 3: 7:13
Mile 4: 7:21
Mile 5: 7:27
Mile 6: 7:01
Mile7-8: 7:36
Mile 9: 7:48
Mile 10: 7:57
Mile 11: 8:17
Mile 12: 8:23
Mile 13: 8:29

According to chip timing:
1st 3.1 miles (5k) 7:14 pace
Next 3.1 miles (10k) 7:10 pace
Next 3.1 miles (15k) 7:55 pace
Next 3.8 miles (13.1 miles) 8:15 pace

What would you do differently?:

Next time I need to consider modifying my goal time to take into account 90% humidity and 65ºF weather. Last year I finished in a solid 1:40 so I figured 1:35 would be a good goal this year, but last year's conditions were very favorable (45ºF and dry). I 1:37 or 1:38 would have been a more appropriate goal this year.

Also, to negative split I should try to start the first 3 miles at about 10 seconds per mile under the goal pace, the next three at goal pace, and the last 7 (the easier part of the course) at just under goal pace.

Post race
What limited your ability to perform faster:

I was happy with the race since I made an honest try of hitting my goal of 1:35. My training and race conditions made that goal unreasonable, but I tried anyway and was good for the first 6 miles.

Note to self to avoid injury and perform better during next year's race:

1) Make sure you have at least 3 weeks at 35 miles before starting the same plan

2) Ease into faster stuff with only one tempo or intervals for at least four weeks before adding the second.

3) Ease off on the faster stuff if it is hurting subsequent workouts, particularly the long run.

4) Lower the mileage of the long run during build weeks if the temps are above 85f and sunny.

5) Adjust goal times with temperature and humidity at race time in mind.

Event comments:

The logistics of getting to the start line was a bit of a hassle though I was never worried about getting there on time. Not enough port-o-potties at the race start so I went in the golf course as did a couple other guys. I'll likely do the race again next year since it's the only major half marathon in town.

Last updated: 2009-08-17 12:00 AM
01:40:23 | 13.1 miles | 07m 40s  min/mile
Age Group: 43/880
Overall: 427/20021
Performance: Average
Keeping cool Drinking
Post race
Weight change: %
Overall: Average
Mental exertion [1-5]
Physical exertion [1-5]
Good race? Ok
Course challenge
Events on-time?
Lots of volunteers?
Plenty of drinks?
Post race activities:
Race evaluation [1-5]

2010-01-05 3:46 PM

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Tyler, TX
Subject: Rock 'N Roll San Antonio Half Marathon
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