Mary Kozlowski

Bib: 58270 F US

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 38%

Gender (Female)

#0 / 26115

Top 26%

Division (F18-39)

#0 / 14744

Top 27%

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

8:57/mi

27:47

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:13/mi

56:23

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:10/mi

1:24:51

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:59/mi

1:52:43

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:03/mi

1:58:47

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:17/mi

2:21:22

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:41/mi

2:51:27

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:59/mi

3:22:28

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:06/mi

3:53:48

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:41/mi

4:07:00

↑ 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

1:58:479:05 /mi⚡ faster

2nd Half

2:08:139:47 /mi+7.9%

Positive split — 7.9% slower in the second half

AI Race Performance Report

Mary'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	27:47	8:57	3.11 mi	27:47	8:57	-
10K	56:23	9:05	3.10 mi	28:36	9:13	+0:16
15K	1:24:51	9:07	3.11 mi	28:28	9:10	-0:03
20K	1:52:43	9:05	3.11 mi	27:52	8:59	-0:11
Half(13.10 mi)	1:58:47	9:05	0.67 mi	6:04	9:03	+0:04
25K	2:21:22	9:07	2.43 mi	22:35	9:17	+0:14
30K	2:51:27	9:12	3.11 mi	30:05	9:41	+0:24
35K	3:22:28	9:19	3.11 mi	31:01	9:59	+0:18
40K	3:53:48	9:25	3.10 mi	31:20	10:06	+0:07
Finish(26.22 mi)	4:07:00	9:26	1.37 mi	13:12	9:41	-0:25

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:57 /mi

Average Pace

9:26 /mi

Slowest Pace

10:06 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:04:39

75% of race

Time at Steady Pace

1:02:21

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:25 /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	Females	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	25939	7319	7319	23334	6309	6309
10K	3.10 mi	26612-673	7550-231	7550-231	27588	7923	7923
15K	3.11 mi	25364+1248	7067+483	7067+483	23334	6309	6309
20K	3.11 mi	24644+720	6795+272	6795+272	23255	6332	6332
Half(13.10 mi)	0.67 mi	24415+229	6715+80	6715+80	21132	5683	5683
25K	2.43 mi	24121+294	6669+46	6669+46	23573	6673	6673
30K	3.11 mi	23801+320	6692-23	6692-23	23263	6861	6861
35K	3.11 mi	23310+491	6704-12	6704-12	21710	6738	6738
40K	3.10 mi	22845+465	6727-23	6727-23	21504	7187	7187
Finish(26.22 mi)	1.37 mi	22586+259	6690+37	6690+37	20472	6789	6789

6789

Passing Analysis

No position changes recorded for this athlete.

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Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing