Notes
First 10k race. Hadn't even done any 10k time trials before. Guaranteed PR.
Did not plan to run this race, so was doing 2 long runs during the week. Decided to run race the day before race due to cancellation of weekend plan, so it was a concern that I had not recovered enough. The morning before race is daylight-saving time change, so lost 1 hour of sleep, slept at most 4 to 5 hours. Got up at 6 and ate banana and a little gatorade.
Race morning has good weather. No rain or wind, cool temp, and ~70% humidity. Did not have a real plan, just needed to make sure I run a slower pace than my 5k PR last month, shooting for around 7min/mi. The hills killed my pace. Race prediction calculator put the 10k time at 43:37, very surprised to have beaten it by > 1 minute without fresh legs.
Pace & HR: http://www.runningahead.com/logs/4328f6d8056a44768b3bfc767a7a782b/workouts/e4f041389f894b11b19f5a8309f85518/graph?x=20&y=200&y1c=0000ff&y2c=ff0000&y2=82&raw=1&avg=1&w=1024&h=480
Pace & elevation:
http://www.runningahead.com/logs/4328f6d8056a44768b3bfc767a7a782b/workouts/e4f041389f894b11b19f5a8309f85518/graph?x=20&y=200&y1c=0000ff&y2c=00ff00&y2=30&raw=1&avg=1&w=1024&h=480
GPS (9.91k 42:25.27) vs official gun (10k 42:28.10)
GPS possibly measured short due to hills.
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Full distance pace at specific distances
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5.0 km: 00:20:58 04:12/km 06:45/mi
5.0 mi: 00:34:35 04:18/km 06:55/mi
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9.9 km: 00:42:25 04:17/km 06:54/mi
6.2 mi: 00:42:25 04:17/km 06:54/mi
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Split and pace per km
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1.0 km: 04:24 04:24/km 07:04/mi
2.0 km: 04:10 04:10/km 06:42/mi
3.0 km: 04:07 04:07/km 06:38/mi
4.0 km: 04:10 04:10/km 06:42/mi
5.0 km: 04:07 04:07/km 06:37/mi
6.0 km: 04:08 04:08/km 06:39/mi
7.0 km: 04:39 04:39/km 07:28/mi
8.0 km: 04:38 04:38/km 07:27/mi
9.0 km: 04:22 04:22/km 07:01/mi
9.9 km: 03:41 04:06/km 06:36/mi
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Split and pace per mile
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1.0 mi: 06:55 04:18/km 06:55/mi
2.0 mi: 06:40 04:09/km 06:40/mi
3.0 mi: 06:40 04:08/km 06:40/mi
4.0 mi: 06:59 04:20/km 06:59/mi
5.0 mi: 07:21 04:34/km 07:21/mi
6.0 mi: 06:48 04:14/km 06:48/mi
6.2 mi: 01:01 04:13/km 06:48/mi
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Midpoint ~5k splits ~ 20:46/21:35