Katherine Webster

Bib: 35509 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

13:57/mi

43:20

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

12:52/mi

1:23:17

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

14:28/mi

2:08:11

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

14:56/mi

2:54:32

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

13:46/mi

3:03:46

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

17:43/mi

3:46:54

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

15:50/mi

4:36:05

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

17:41/mi

5:30:59

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

16:36/mi

6:22:33

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

16:20/mi

6:44:49

↑ 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

3:03:4614:02 /mi⚡ faster

2nd Half

3:41:0316:51 /mi+20.3%

Positive split — 20.3% slower in the second half

AI Race Performance Report

Katherine'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	43:20	13:57	3.11 mi	43:20	13:57	-
10K	1:23:17	13:25	3.10 mi	39:57	12:52	-1:05
15K	2:08:11	13:46	3.11 mi	44:54	14:28	+1:36
20K	2:54:32	14:03	3.11 mi	46:21	14:56	+0:28
Half(13.10 mi)	3:03:46	14:02	0.67 mi	9:14	13:46	-1:10
25K	3:46:54	14:37	2.43 mi	43:08	17:43	+3:57
30K	4:36:05	14:49	3.11 mi	49:11	15:50	-1:53
35K	5:30:59	15:14	3.11 mi	54:54	17:41	+1:51
40K	6:22:33	15:24	3.10 mi	51:34	16:36	-1:05
Finish(26.22 mi)	6:44:49	15:28	1.37 mi	22:16	16:20	-0:16

Trend:

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Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:52 /mi

Average Pace

15:27 /mi

Slowest Pace

17:43 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:03:46

45% of race

Time at Steady Pace

2:03:01

30% of race

Time at Slower Pace

1:38:02

24% of race

Average Pace: 15:26 /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	58518	25161	25161	56650	23848	23848
10K	3.10 mi	57152+1366	24159+1002	24159+1002	54962	22630	22630
15K	3.11 mi	57019+133	24066+93	24066+93	56650	23848	23848
20K	3.11 mi	56980+39	24062+4	24062+4	56674	23938	23938
Half(13.10 mi)	0.67 mi	56821+159	23962+100	23962+100	52920	21714	21714
25K	2.43 mi	57190-369	24233-271	24233-271	57947	24832	24832
30K	3.11 mi	56923+267	24083+150	24083+150	54958	23086	23086
35K	3.11 mi	57109-186	24240-157	24240-157	57217	24599	24599
40K	3.10 mi	57139-30	24275-35	24275-35	56500	24227	24227
Finish(26.22 mi)	1.37 mi	57180-41	24315-40	24315-40	56905	24500	24500

24500

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