Nathan Birchenall

Bib: 55666 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 50%

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

8:08/mi

25:15

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:47/mi

52:30

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:19/mi

1:21:24

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:23/mi

1:50:31

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:57/mi

1:57:11

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:12/mi

2:22:01

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

12:38/mi

3:01:15

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:44/mi

3:37:40

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:32/mi

4:13:27

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:08/mi

4:28:37

↑ 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

1:57:118:57 /mi⚡ faster

2nd Half

2:31:2611:33 /mi+29.2%

Positive split — 29.2% slower in the second half

AI Race Performance Report

Nathan'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	25:15	8:08	3.11 mi	25:15	8:08	-
10K	52:30	8:27	3.10 mi	27:15	8:47	+0:39
15K	1:21:24	8:45	3.11 mi	28:54	9:19	+0:32
20K	1:50:31	8:54	3.11 mi	29:07	9:23	+0:04
Half(13.10 mi)	1:57:11	8:57	0.67 mi	6:40	9:57	+0:34
25K	2:22:01	9:09	2.43 mi	24:50	10:12	+0:15
30K	3:01:15	9:44	3.11 mi	39:14	12:38	+2:26
35K	3:37:40	10:01	3.11 mi	36:25	11:44	-0:54
40K	4:13:27	10:12	3.10 mi	35:47	11:32	-0:12
Finish(26.22 mi)	4:28:37	10:16	1.37 mi	15:10	11:08	-0:24

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:08 /mi

Average Pace

10:15 /mi

Slowest Pace

12:38 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:50:31

41% of race

Time at Steady Pace

31:30

12% of race

Time at Slower Pace

2:06:36

47% of race

Average Pace: 10:15 /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	15647	11881	11881	25335	18275	18275
10K	3.10 mi	18426-2779	13730-1849	13730-1849	21484	15713	15713
15K	3.11 mi	20549-2123	15156-1426	15156-1426	25335	18275	18275
20K	3.11 mi	22320-1771	16294-1138	16294-1138	27937	19825	19825
Half(13.10 mi)	0.67 mi	22795-475	16601-307	16601-307	29863	20817	20817
25K	2.43 mi	24642-1847	17746-1145	17746-1145	30848	21116	21116
30K	3.11 mi	29126-4484	20330-2584	20330-2584	42513	26396	26396
35K	3.11 mi	29589-463	20353-23	20353-23	33026	21040	21040
40K	3.10 mi	29739-150	20215+138	20215+138	31821	19958	19958
Finish(26.22 mi)	1.37 mi	29855-116	20199+16	20199+16	32624	20366	20366

20366

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