Katy Rosser

Bib: 54995 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 40%

Gender (Female)

#0 / 26115

Top 27%

Division (F18-39)

#0 / 14744

Top 29%

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

25:53

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:46/mi

53:07

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:09/mi

1:21:30

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:04/mi

1:49:40

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:06/mi

1:55:46

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:26/mi

2:18:43

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:57/mi

2:49:36

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:11/mi

3:21:14

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:04/mi

3:55:36

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:11/mi

4:10:51

↑ 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

1:55:468:51 /mi⚡ faster

2nd Half

2:15:0510:18 /mi+16.7%

Positive split — 16.7% 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	25:53	8:20	3.11 mi	25:53	8:20	-
10K	53:07	8:33	3.10 mi	27:14	8:46	+0:26
15K	1:21:30	8:45	3.11 mi	28:23	9:09	+0:23
20K	1:49:40	8:50	3.11 mi	28:10	9:04	-0:05
Half(13.10 mi)	1:55:46	8:51	0.67 mi	6:06	9:06	+0:02
25K	2:18:43	8:56	2.43 mi	22:57	9:26	+0:20
30K	2:49:36	9:06	3.11 mi	30:53	9:57	+0:31
35K	3:21:14	9:16	3.11 mi	31:38	10:11	+0:14
40K	3:55:36	9:29	3.10 mi	34:22	11:04	+0:53
Finish(26.22 mi)	4:10:51	9:35	1.37 mi	15:15	11:11	+0:07

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:20 /mi

Average Pace

9:34 /mi

Slowest Pace

11:11 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

53:07

21% of race

Time at Steady Pace

1:25:36

34% of race

Time at Slower Pace

1:52:08

45% of race

Average Pace: 9:34 /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	17909	4493	4493	22994	6200	6200
10K	3.10 mi	19560-1651	5059-566	5059-566	21435	5739	5739
15K	3.11 mi	20692-1132	5429-370	5429-370	22994	6200	6200
20K	3.11 mi	21516-824	5705-276	5705-276	24536	6785	6785
Half(13.10 mi)	0.67 mi	21501+15	5723-18	5723-18	21690	5897	5897
25K	2.43 mi	21925-424	5916-193	5916-193	24873	7150	7150
30K	3.11 mi	22631-706	6262-346	6262-346	25092	7603	7603
35K	3.11 mi	22719-88	6494-232	6494-232	23068	7318	7318
40K	3.10 mi	23406-687	6958-464	6958-464	28399	10263	10263
Finish(26.22 mi)	1.37 mi	23797-391	7172-214	7172-214	33205	12487	12487

12487

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