Tom Birch

Bib: 52481 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 14%

Gender (Male)

#0 / 33594

Top 20%

Division (M18-39)

#0 / 16712

Top 22%

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

5:52/mi

18:13

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

5:56/mi

36:36

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

6:00/mi

55:13

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

5:53/mi

1:13:27

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

6:00/mi

1:17:28

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

5:58/mi

1:31:59

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

6:04/mi

1:50:48

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

17:56/mi

2:46:29

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:15/mi

3:15:12

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

7:14/mi

3:25:03

↑ 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

1:17:285:55 /mi⚡ faster

2nd Half

2:07:359:44 /mi+64.7%

Positive split — 64.7% slower in the second half

AI Race Performance Report

Tom'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	18:13	5:52	3.11 mi	18:13	5:52	-
10K	36:36	5:54	3.10 mi	18:23	5:56	+0:04
15K	55:13	5:56	3.11 mi	18:37	6:00	+0:04
20K	1:13:27	5:55	3.11 mi	18:14	5:53	-0:07
Half(13.10 mi)	1:17:28	5:55	0.67 mi	4:01	6:00	+0:07
25K	1:31:59	5:56	2.43 mi	14:31	5:58	-0:02
30K	1:50:48	5:57	3.11 mi	18:49	6:04	+0:06
35K	2:46:29	7:40	3.11 mi	55:41	17:56	+11:52
40K	3:15:12	7:52	3.10 mi	28:43	9:15	-8:41
Finish(26.22 mi)	3:25:03	7:50	1.37 mi	9:51	7:14	-2:01

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

5:52 /mi

Average Pace

7:50 /mi

Slowest Pace

17:56 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:00:39

59% of race

Time at Slower Pace

1:24:24

41% of race

Average Pace: 7:49 /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	609	591	591	560	545	545
10K	3.10 mi	612-3	593-2	593-2	629	607	607
15K	3.11 mi	588+24	570+23	570+23	560	545	545
20K	3.11 mi	577+11	562+8	562+8	578	564	564
Half(13.10 mi)	0.67 mi	572+5	559+3	559+3	541	530	530
25K	2.43 mi	562+10	548+11	548+11	603	586	586
30K	3.11 mi	545+17	534+14	534+14	551	538	538
35K	3.11 mi	7911-7366	6552-6018	6552-6018	57537	32675	32675
40K	3.10 mi	8671-760	6961-409	6961-409	15387	10614	10614
Finish(26.22 mi)	1.37 mi	8260+411	6664+297	6664+297	3650	3161	3161

3161

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