Liam Birch

Bib: 15773 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 43%

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

10:03/mi

31:13

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:50/mi

1:01:46

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:06/mi

1:33:06

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:25/mi

2:02:19

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:39/mi

2:08:47

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:58/mi

2:33:02

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:21/mi

3:02:02

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:53/mi

3:32:42

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:02/mi

4:03:51

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:54/mi

4:17:20

↑ 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

2:08:479:50 /mi⚖️ balanced

2nd Half

2:08:339:48 /mi⚖️ balanced

Even split — consistent pacing between halves

AI Race Performance Report

Liam'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	31:13	10:03	3.11 mi	31:13	10:03	-
10K	1:01:46	9:57	3.10 mi	30:33	9:50	-0:13
15K	1:33:06	10:00	3.11 mi	31:20	10:06	+0:16
20K	2:02:19	9:51	3.11 mi	29:13	9:25	-0:41
Half(13.10 mi)	2:08:47	9:50	0.67 mi	6:28	9:39	+0:14
25K	2:33:02	9:52	2.43 mi	24:15	9:58	+0:19
30K	3:02:02	9:46	3.11 mi	29:00	9:21	-0:37
35K	3:32:42	9:47	3.11 mi	30:40	9:53	+0:32
40K	4:03:51	9:49	3.10 mi	31:09	10:02	+0:09
Finish(26.22 mi)	4:17:20	9:50	1.37 mi	13:29	9:54	-0:08

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:21 /mi

Average Pace

9:49 /mi

Slowest Pace

10:06 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:04:41

25% of race

Time at Steady Pace

3:12:39

75% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:49 /mi

Loading chart...

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	39153	26131	26131	33547	23174	23174
10K	3.10 mi	36840+2313	24974+1157	24974+1157	34827	23884	23884
15K	3.11 mi	35572+1268	24305+669	24305+669	33547	23174	23174
20K	3.11 mi	33516+2056	23129+1176	23129+1176	28244	20013	20013
Half(13.10 mi)	0.67 mi	33117+399	22874+255	22874+255	27330	19327	19327
25K	2.43 mi	32196+921	22233+641	22233+641	29002	20094	20094
30K	3.11 mi	29512+2684	20552+1681	20552+1681	20485	14675	14675
35K	3.11 mi	27576+1936	19145+1407	19145+1407	20943	14484	14484
40K	3.10 mi	26302+1274	18176+969	18176+969	21089	14073	14073
Finish(26.22 mi)	1.37 mi	25970+332	17910+266	17910+266	22073	14616	14616

14616

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing