Ian Leith

Bib: 57599 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 34%

Gender (Male)

#0 / 33594

Top 43%

Division (M18-39)

#0 / 16712

Top 46%

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

8:16/mi

25:38

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:18/mi

51:25

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:27/mi

1:17:40

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:18/mi

1:43:26

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:49/mi

1:49:21

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:45/mi

2:10:39

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:36/mi

2:40:26

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:05/mi

3:11:44

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:08/mi

3:46:18

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:36/mi

3:59:23

↑ 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

1:49:218:21 /mi⚡ faster

2nd Half

2:10:029:55 /mi+18.9%

Positive split — 18.9% slower in the second half

AI Race Performance Report

Ian's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	25:38	8:16	3.11 mi	25:38	8:16	-
10K	51:25	8:17	3.10 mi	25:47	8:18	+0:02
15K	1:17:40	8:20	3.11 mi	26:15	8:27	+0:09
20K	1:43:26	8:20	3.11 mi	25:46	8:18	-0:09
Half(13.10 mi)	1:49:21	8:21	0.67 mi	5:55	8:49	+0:31
25K	2:10:39	8:25	2.43 mi	21:18	8:45	-0:04
30K	2:40:26	8:37	3.11 mi	29:47	9:36	+0:51
35K	3:11:44	8:49	3.11 mi	31:18	10:05	+0:29
40K	3:46:18	9:07	3.10 mi	34:34	11:08	+1:03
Finish(26.22 mi)	3:59:23	9:09	1.37 mi	13:05	9:36	-1:32

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:16 /mi

Average Pace

9:08 /mi

Slowest Pace

11:08 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:17:11

32% of race

Time at Steady Pace

53:28

22% of race

Time at Slower Pace

1:48:44

45% of race

Average Pace: 9:08 /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	16969	12777	12777	15791	12002	12002
10K	3.10 mi	16671+298	12574+203	12574+203	16434	12389	12389
15K	3.11 mi	16292+379	12315+259	12315+259	15791	12002	12002
20K	3.11 mi	16140+152	12198+117	12198+117	15947	12074	12074
Half(13.10 mi)	0.67 mi	16238-98	12272-74	12272-74	18687	13860	13860
25K	2.43 mi	16434-196	12363-91	12363-91	17987	13306	13306
30K	3.11 mi	17412-978	12940-577	12940-577	22560	15945	15945
35K	3.11 mi	18115-703	13303-363	13303-363	22325	15297	15297
40K	3.10 mi	19931-1816	14257-954	14257-954	28833	18323	18323
Finish(26.22 mi)	1.37 mi	20035-104	14287-30	14287-30	19741	13242	13242

13242

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