Kathryn Marsh

Bib: 23329 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 (F50-54)

#0 / 2342

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

11:15/mi

34:57

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:46/mi

1:11:29

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

12:47/mi

1:51:11

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

12:42/mi

2:30:38

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

12:29/mi

2:39:00

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

14:00/mi

3:13:05

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

14:14/mi

3:57:16

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

14:44/mi

4:43:02

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

14:14/mi

5:27:14

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

13:41/mi

5:45:53

↑ 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

2:39:0012:09 /mi⚡ faster

2nd Half

3:06:5314:15 /mi+17.5%

Positive split — 17.5% slower in the second half

AI Race Performance Report

Kathryn'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	34:57	11:15	3.11 mi	34:57	11:15	-
10K	1:11:29	11:31	3.10 mi	36:32	11:46	+0:31
15K	1:51:11	11:56	3.11 mi	39:42	12:47	+1:01
20K	2:30:38	12:08	3.11 mi	39:27	12:42	-0:05
Half(13.10 mi)	2:39:00	12:09	0.67 mi	8:22	12:29	-0:13
25K	3:13:05	12:26	2.43 mi	34:05	14:00	+1:31
30K	3:57:16	12:44	3.11 mi	44:11	14:14	+0:14
35K	4:43:02	13:01	3.11 mi	45:46	14:44	+0:30
40K	5:27:14	13:10	3.10 mi	44:12	14:14	-0:30
Finish(26.22 mi)	5:45:53	13:13	1.37 mi	18:39	13:41	-0:33

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

11:15 /mi

Average Pace

13:12 /mi

Slowest Pace

14:44 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:39:00

46% of race

Time at Steady Pace

2:21:07

41% of race

Time at Slower Pace

45:46

13% of race

Average Pace: 13:11 /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	F50-54	Seg. Overall	Seg. Females	Seg. F50-54
5K	3.11 mi	50185	19367	19367	51939	20669	20669
10K	3.10 mi	50434-249	19539-172	19539-172	50723	19778	19778
15K	3.11 mi	51076-642	20002-463	20002-463	51939	20669	20669
20K	3.11 mi	50951+125	19994+8	19994+8	50787	20117	20117
Half(13.10 mi)	0.67 mi	50749+202	19895+99	19895+99	48059	18705	18705
25K	2.43 mi	50804-55	19997-102	19997-102	51190	20661	20661
30K	3.11 mi	50697+107	20014-17	20014-17	49976	20180	20180
35K	3.11 mi	50553+144	20067-53	20067-53	49493	20351	20351
40K	3.10 mi	50486+67	20139-72	20139-72	49335	20413	20413
Finish(26.22 mi)	1.37 mi	50519-33	20185-46	20185-46	49892	20698	20698

20698

Passing Analysis

Category:

▼Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#50185
5K → 10K	886637-249	#50185 → #50434
10K → 15K	994352-642	#50434 → #51076
15K → 20K	409534+125	#51076 → #50951
20K → Half	21223+202	#50951 → #50749
Half → 25K	434379-55	#50749 → #50804
25K → 30K	382489+107	#50804 → #50697
30K → 35K	284428+144	#50697 → #50553
35K → 40K	230297+67	#50553 → #50486
40K → Finish	13299-33	#50486 → #50519
TOTALS	37723438-334	#50185 → #50519

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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