Tamsin Birkett

Bib: 8518 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 47%

Gender (Female)

#0 / 26115

Top 34%

Division (F18-39)

#0 / 14744

Top 35%

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

8:27/mi

26:15

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:40/mi

53:10

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:39/mi

1:23:08

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:31/mi

1:55:46

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:06/mi

2:01:52

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:18/mi

2:26:56

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:31/mi

2:59:35

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:07/mi

3:34:07

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:04/mi

4:08:29

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:57/mi

4:23:24

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

503ft

Total climb

613ft

Total descent

166ft

Range

6 to 172 ft

≈

×14story building

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The Course

Half Splits

1st Half· via Half

2:01:529:19 /mi⚡ faster

2nd Half

2:21:3210:48 /mi+16.1%

Positive split — 16.1% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	26:15	8:27	3.11 mi	26:15	8:27	-
10K	53:10	8:34	3.10 mi	26:55	8:40	+0:13
15K	1:23:08	8:56	3.11 mi	29:58	9:39	+0:59
20K	1:55:46	9:19	3.11 mi	32:38	10:31	+0:52
Half(13.10 mi)	2:01:52	9:19	0.67 mi	6:06	9:06	-1:25
25K	2:26:56	9:28	2.43 mi	25:04	10:18	+1:12
30K	2:59:35	9:39	3.11 mi	32:39	10:31	+0:13
35K	3:34:07	9:51	3.11 mi	34:32	11:07	+0:36
40K	4:08:29	10:00	3.10 mi	34:22	11:04	-0:03
Finish(26.22 mi)	4:23:24	10:04	1.37 mi	14:55	10:57	-0:07

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:27 /mi

Average Pace

10:03 /mi

Slowest Pace

11:07 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:29:14

34% of race

Time at Steady Pace

1:45:16

40% of race

Time at Slower Pace

1:08:54

26% of race

Average Pace: 10:03 /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	Females	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	19241	4933	4933	29497	8618	8618
10K	3.10 mi	19639-398	5084-151	5084-151	20223	5289	5289
15K	3.11 mi	22812-3173	6164-1080	6164-1080	29497	8618	8618
20K	3.11 mi	28008-5196	8063-1899	8063-1899	37895	12734	12734
Half(13.10 mi)	0.67 mi	27591+417	7927+136	7927+136	21700	5907	5907
25K	2.43 mi	28367-776	8311-384	8311-384	31652	10078	10078
30K	3.11 mi	28281+86	8430-119	8430-119	29201	9402	9402
35K	3.11 mi	28165+116	8625-195	8625-195	29124	10058	10058
40K	3.10 mi	28010+155	8769-144	8769-144	28400	10264	10264
Finish(26.22 mi)	1.37 mi	28026-16	8857-88	8857-88	31022	11462	11462

11462

Passing Analysis

Category:

▼Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#19241
5K → 10K	738340-398	#19241 → #19639
10K → 15K	319926-3173	#19639 → #22812
15K → 20K	520812-5196	#22812 → #28008
20K → Half	2419+417	#28008 → #27591
Half → 25K	1020244-776	#27591 → #28367
25K → 30K	529615+86	#28367 → #28281
30K → 35K	533649+116	#28281 → #28165
35K → 40K	415570+155	#28165 → #28010
40K → Finish	207191-16	#28010 → #28026
TOTALS	118513066-8785	#19241 → #28026

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed 4 months ago

Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing