Thomas Kostrzewski

Bib: 18051 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Male)

#0 / 33594

Division (M18-39)

#0 / 16712

Race Day Weather

56°/46°F

overcast clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

131 ft elev

5K· 3.11 mi

11:04/mi

34:22

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:38/mi

1:10:29

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

12:03/mi

1:47:55

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:46/mi

2:24:28

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

12:09/mi

2:32:37

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

12:10/mi

3:02:14

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

12:29/mi

3:41:01

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:56/mi

4:21:09

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:30/mi

5:03:05

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:47/mi

5:19:09

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

503ft

Total climb

166ft

Range

6 to 172 ft

613ft

Total descent

About the height of the Statue of Liberty

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The Course

Half Splits

1st Half· via Half

2:32:3711:40 /mi⚡ faster

2nd Half

2:46:3212:42 /mi+9.1%

Positive split — 9.1% slower in the second half

AI Race Performance Report

Thomas's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	34:22	11:04	3.11 mi	34:22	11:04	-
10K	1:10:29	11:21	3.10 mi	36:07	11:38	+0:34
15K	1:47:55	11:35	3.11 mi	37:26	12:03	+0:25
20K	2:24:28	11:38	3.11 mi	36:33	11:46	-0:17
Half(13.10 mi)	2:32:37	11:40	0.67 mi	8:09	12:09	+0:23
25K	3:02:14	11:44	2.43 mi	29:37	12:10	+0:01
30K	3:41:01	11:52	3.11 mi	38:47	12:29	+0:19
35K	4:21:09	12:01	3.11 mi	40:08	12:56	+0:27
40K	5:03:05	12:12	3.10 mi	41:56	13:30	+0:34
Finish(26.22 mi)	5:19:09	12:11	1.37 mi	16:04	11:47	-1:43

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

11:04 /mi

Average Pace

12:11 /mi

Slowest Pace

13:30 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:03:06

39% of race

Time at Steady Pace

1:15:12

24% of race

Time at Slower Pace

2:00:51

38% of race

Average Pace: 12:10 /mi

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Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Males	M18-39	Seg. Overall	Seg. Males	Seg. M18-39
5K	3.11 mi	48856	30222	30222	48727	30081	30081
10K	3.10 mi	49405-549	30451-229	30451-229	49960	30597	30597
15K	3.11 mi	49077+328	30301+150	30301+150	48727	30081	30081
20K	3.11 mi	48324+753	29931+370	29931+370	46578	28997	28997
Half(13.10 mi)	0.67 mi	48195+129	29856+75	29856+75	46486	28655	28655
25K	2.43 mi	47270+925	29390+466	29390+466	43758	27383	27383
30K	3.11 mi	46197+1073	28803+587	28803+587	41744	26035	26035
35K	3.11 mi	45274+923	28234+569	28234+569	40350	24765	24765
40K	3.10 mi	45282-8	28094+140	28094+140	45333	26917	26917
Finish(26.22 mi)	1.37 mi	44918+364	27878+216	27878+216	38076	23294	23294

23294

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing