Katy Firth

Bib: 37329 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Division (F18-39)

#0 / 14744

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

12:07/mi

37:37

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

13:23/mi

1:19:10

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

13:58/mi

2:02:33

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

14:44/mi

2:48:19

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

13:52/mi

2:57:37

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

15:12/mi

3:34:36

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

14:53/mi

4:20:49

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

15:49/mi

5:09:57

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

15:19/mi

5:57:32

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

15:35/mi

6:18:46

↑ 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

2:57:3713:34 /mi⚡ faster

2nd Half

3:21:0915:20 /mi+13.2%

Positive split — 13.2% slower in the second half

AI Race Performance Report

Katy's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	37:37	12:07	3.11 mi	37:37	12:07	-
10K	1:19:10	12:45	3.10 mi	41:33	13:23	+1:16
15K	2:02:33	13:09	3.11 mi	43:23	13:58	+0:35
20K	2:48:19	13:33	3.11 mi	45:46	14:44	+0:46
Half(13.10 mi)	2:57:37	13:34	0.67 mi	9:18	13:52	-0:52
25K	3:34:36	13:49	2.43 mi	36:59	15:12	+1:20
30K	4:20:49	14:00	3.11 mi	46:13	14:53	-0:19
35K	5:09:57	14:16	3.11 mi	49:08	15:49	+0:56
40K	5:57:32	14:24	3.10 mi	47:35	15:19	-0:30
Finish(26.22 mi)	6:18:46	14:28	1.37 mi	21:14	15:35	+0:16

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:07 /mi

Average Pace

14:27 /mi

Slowest Pace

15:49 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:11:51

35% of race

Time at Steady Pace

2:56:33

47% of race

Time at Slower Pace

1:10:22

19% of race

Average Pace: 14:27 /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	54504	22241	22241	55621	23137	23137
10K	3.10 mi	55597-1093	23049-808	23049-808	56250	23550	23550
15K	3.11 mi	55644-47	23106-57	23106-57	55621	23137	23137
20K	3.11 mi	55860-216	23272-166	23272-166	56337	23722	23722
Half(13.10 mi)	0.67 mi	55743+117	23192+80	23192+80	53224	21909	21909
25K	2.43 mi	55560+183	23089+103	23089+103	54452	22640	22640
30K	3.11 mi	55155+405	22865+224	22865+224	52286	21527	21527
35K	3.11 mi	54979+176	22815+50	22815+50	53319	22430	22430
40K	3.10 mi	54954+25	22847-32	22847-32	53533	22601	22601
Finish(26.22 mi)	1.37 mi	55023-69	22914-67	22914-67	55673	23800	23800

23800

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