Polly Grinnell

Bib: 78457 F GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Masters (Masters Women)

#0 / 11371

Division (F40-44)

#0 / 3355

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

10:44/mi

33:20

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

12:03/mi

1:10:45

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

12:04/mi

1:48:14

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

12:46/mi

2:27:51

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

14:41/mi

2:37:42

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

12:38/mi

3:08:26

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

16:59/mi

4:01:10

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

13:48/mi

4:44:01

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

15:13/mi

5:31:15

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

14:18/mi

5:50:44

↑ 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

2:37:4212:03 /mi⚡ faster

2nd Half

3:13:0214:43 /mi+22.4%

Positive split — 22.4% slower in the second half

AI Race Performance Report

Polly'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	33:20	10:44	3.11 mi	33:20	10:44	-
10K	1:10:45	11:24	3.10 mi	37:25	12:03	+1:19
15K	1:48:14	11:37	3.11 mi	37:29	12:04	+0:01
20K	2:27:51	11:54	3.11 mi	39:37	12:46	+0:42
Half(13.10 mi)	2:37:42	12:03	0.67 mi	9:51	14:41	+1:55
25K	3:08:26	12:08	2.43 mi	30:44	12:38	-2:03
30K	4:01:10	12:57	3.11 mi	52:44	16:59	+4:21
35K	4:44:01	13:04	3.11 mi	42:51	13:48	-3:11
40K	5:31:15	13:20	3.10 mi	47:14	15:13	+1:25
Finish(26.22 mi)	5:50:44	13:24	1.37 mi	19:29	14:18	-0:55

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:44 /mi

Average Pace

13:23 /mi

Slowest Pace

16:59 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:58:35

51% of race

Time at Steady Pace

1:02:20

18% of race

Time at Slower Pace

1:49:49

31% of race

Average Pace: 13:23 /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	F40-44	Seg. Overall	Seg. Females	Seg. F40-44
5K	3.11 mi	46018	16824	16824	48826	18651	18651
10K	3.10 mi	49720-3702	19096-2272	19096-2272	52046	20684	20684
15K	3.11 mi	49281+439	18836+260	18836+260	48826	18651	18651
20K	3.11 mi	49798-517	19264-428	19264-428	50983	20246	20246
Half(13.10 mi)	0.67 mi	50269-471	19590-326	19590-326	55329	23235	23235
25K	2.43 mi	49382+887	19087+503	19087+503	45894	17535	17535
30K	3.11 mi	51598-2216	20607-1520	20607-1520	56957	24300	24300
35K	3.11 mi	50747+851	20183+424	20183+424	45110	17977	17977
40K	3.10 mi	51228-481	20556-373	20556-373	53205	22448	22448
Finish(26.22 mi)	1.37 mi	51328-100	20654-98	20654-98	52299	21992	21992

21992

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