Imogen Preston

Bib: 9135 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 16%

Gender (Female)

#0 / 26115

Top 8%

Division (F18-39)

#0 / 14744

Top 10%

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

7:42/mi

23:55

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

7:51/mi

48:18

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

7:58/mi

1:13:03

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

7:51/mi

1:37:25

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

7:56/mi

1:42:44

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

7:53/mi

2:01:56

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

8:05/mi

2:27:01

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

8:16/mi

2:52:42

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

8:20/mi

3:18:35

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:28/mi

3:30:07

↑ 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

1:42:447:51 /mi⚡ faster

2nd Half

1:47:238:12 /mi+4.5%

Positive split — 4.5% slower in the second half

AI Race Performance Report

Imogen'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	23:55	7:42	3.11 mi	23:55	7:42	-
10K	48:18	7:47	3.10 mi	24:23	7:51	+0:09
15K	1:13:03	7:51	3.11 mi	24:45	7:58	+0:07
20K	1:37:25	7:51	3.11 mi	24:22	7:51	-0:07
Half(13.10 mi)	1:42:44	7:51	0.67 mi	5:19	7:56	+0:05
25K	2:01:56	7:51	2.43 mi	19:12	7:53	-0:03
30K	2:27:01	7:54	3.11 mi	25:05	8:05	+0:12
35K	2:52:42	7:57	3.11 mi	25:41	8:16	+0:11
40K	3:18:35	8:00	3.10 mi	25:53	8:20	+0:04
Finish(26.22 mi)	3:30:07	8:02	1.37 mi	11:32	8:28	+0:08

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:42 /mi

Average Pace

8:01 /mi

Slowest Pace

8:28 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:27:01

70% of race

Time at Steady Pace

1:03:06

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:01 /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	Females	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	10768	2160	2160	10637	2139	2139
10K	3.10 mi	10936-168	2240-80	2240-80	11244	2355	2355
15K	3.11 mi	10787+149	2195+45	2195+45	10637	2139	2139
20K	3.11 mi	10863-76	2233-38	2233-38	11262	2347	2347
Half(13.10 mi)	0.67 mi	10797+66	2210+23	2210+23	10129	1989	1989
25K	2.43 mi	10615+182	2174+36	2174+36	10228	2104	2104
30K	3.11 mi	10313+302	2112+62	2112+62	9776	2032	2032
35K	3.11 mi	9981+332	2090+22	2090+22	9331	2088	2088
40K	3.10 mi	9741+240	2074+16	2074+16	8972	2207	2207
Finish(26.22 mi)	1.37 mi	9800-59	2116-42	2116-42	10708	2952	2952

2952

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