draycote water marathon. Garmin went crazy for a while to begin with (see splits) did this as a training run so steady pace but increased it a little at the end.
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Summary
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Distance: 30.93m
Time taken: 04:28:50
Average/Max Speed : 6.90mph / 38.03mph
Average/Min Pace : 00:08:41 / 00:01:34
Average/Max heart rate: 163/185
Calories used: 6628
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Splits
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09:30:12 1.00m 00:09:18 6.45mph 8.61mph 148bpm 165bpm
09:39:30 1.00m 00:05:59 10.03mph 38.03mph 154bpm 171bpm
09:45:33 1.00m 00:05:08 11.67mph 13.84mph 154bpm 158bpm
09:50:42 1.00m 00:06:16 9.57mph 14.77mph 154bpm 161bpm
09:56:58 1.00m 00:01:37 36.92mph 17.23mph 151bpm 155bpm
10:00:09 1.00m 00:00:36 99.97mph 11.62mph 154bpm 154bpm
10:00:15 1.00m 00:01:04 55.84mph 13.73mph 153bpm 154bpm
10:00:23 1.00m 00:03:46 15.91mph 14.56mph 157bpm 167bpm
10:04:03 1.00m 00:10:32 5.69mph 5.99mph 156bpm 166bpm
10:14:36 1.00m 00:10:28 5.73mph 6.15mph 158bpm 167bpm
10:25:04 1.00m 00:10:22 5.78mph 6.11mph 159bpm 173bpm
10:35:27 1.00m 00:10:27 5.74mph 6.00mph 157bpm 161bpm
10:45:54 1.00m 00:10:36 5.66mph 6.17mph 163bpm 174bpm
10:56:30 1.00m 00:10:34 5.68mph 6.06mph 163bpm 169bpm
11:07:04 1.00m 00:10:27 5.74mph 6.12mph 162bpm 172bpm
11:17:32 1.00m 00:10:19 5.81mph 6.15mph 162bpm 174bpm
11:27:52 1.00m 00:10:28 5.73mph 6.29mph 163bpm 176bpm
11:38:25 1.00m 00:10:29 5.72mph 6.16mph 164bpm 172bpm
11:48:55 1.00m 00:10:27 5.74mph 6.02mph 165bpm 171bpm
11:59:22 1.00m 00:10:22 5.78mph 6.14mph 165bpm 173bpm
12:09:45 1.00m 00:10:15 5.84mph 6.14mph 166bpm 174bpm
12:20:01 1.00m 00:10:26 5.74mph 6.23mph 165bpm 174bpm
12:30:48 1.00m 00:10:31 5.70mph 6.08mph 167bpm 171bpm
12:41:19 1.00m 00:10:40 5.62mph 5.92mph 168bpm 172bpm
12:52:00 1.00m 00:10:25 5.76mph 6.43mph 169bpm 175bpm
13:02:25 1.00m 00:10:26 5.75mph 6.14mph 167bpm 169bpm
13:12:51 1.00m 00:10:11 5.88mph 6.63mph 170bpm 176bpm
13:23:03 1.00m 00:09:49 6.11mph 6.58mph 170bpm 174bpm
13:32:53 1.00m 00:09:25 6.37mph 7.31mph 175bpm 179bpm
13:42:18 1.00m 00:09:06 6.58mph 7.09mph 177bpm 181bpm
13:51:25 0.93m 00:08:07 6.88mph 8.42mph 180bpm 185bpm
9.18,5.59,5.08,6.16,1.37,0.36,1.04,3.46,10.32,10.28,10.22,10.27,10.36,10.34,10.27,10.19,10.28,10.29,10.27,10.22,10.15,10.26,10.31,10.40,10.25,10.26,10.11,9.49,9.25,9.06,8.07