Gemma Worrow

Bib: 12690 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 48%

Gender (Female)

#0 / 26115

Top 35%

Division (F18-39)

#0 / 14744

Top 37%

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

8:20/mi

25:51

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:28/mi

52:08

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:50/mi

1:19:32

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:19/mi

1:48:26

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:29/mi

1:56:08

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

12:02/mi

2:25:26

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:52/mi

3:02:16

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:55/mi

3:36:10

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:21/mi

4:11:24

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:21/mi

4:25:30

↑ 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

1:56:088:52 /mi⚡ faster

2nd Half

2:29:2211:24 /mi+28.6%

Positive split — 28.6% slower in the second half

AI Race Performance Report

Gemma'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	25:51	8:20	3.11 mi	25:51	8:20	-
10K	52:08	8:24	3.10 mi	26:17	8:28	+0:08
15K	1:19:32	8:32	3.11 mi	27:24	8:50	+0:22
20K	1:48:26	8:44	3.11 mi	28:54	9:19	+0:29
Half(13.10 mi)	1:56:08	8:52	0.67 mi	7:42	11:29	+2:10
25K	2:25:26	9:22	2.43 mi	29:18	12:02	+0:33
30K	3:02:16	9:47	3.11 mi	36:50	11:52	-0:10
35K	3:36:10	9:57	3.11 mi	33:54	10:55	-0:57
40K	4:11:24	10:07	3.10 mi	35:14	11:21	+0:26
Finish(26.22 mi)	4:25:30	10:09	1.37 mi	14:06	10:21	-1:00

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:20 /mi

Average Pace

10:08 /mi

Slowest Pace

12:02 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:48:26

41% of race

Time at Steady Pace

1:30:56

34% of race

Time at Slower Pace

1:06:08

25% of race

Average Pace: 10:08 /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	17799	4450	4450	19430	4981	4981
10K	3.10 mi	17815-16	4478-28	4478-28	17967	4525	4525
15K	3.11 mi	18272-457	4634-156	4634-156	19430	4981	4981
20K	3.11 mi	20348-2076	5319-685	5319-685	27256	7809	7809
Half(13.10 mi)	0.67 mi	21820-1472	5831-512	5831-512	42523	15454	15454
25K	2.43 mi	27345-5525	7879-2048	7879-2048	43166	15990	15990
30K	3.11 mi	29659-2314	8985-1106	8985-1106	38140	13802	13802
35K	3.11 mi	29027+632	8960+25	8960+25	27758	9430	9430
40K	3.10 mi	29022+5	9183-223	9183-223	30482	11208	11208
Finish(26.22 mi)	1.37 mi	28742+280	9150+33	9150+33	25918	9110	9110

9110

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