Katharine Bost

Bib: 78627 F US

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 30%

Gender (Female)

#0 / 26115

Top 19%

Division (F18-39)

#0 / 14744

Top 21%

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

8:04/mi

25:02

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:32/mi

51:32

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:38/mi

1:18:21

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:53/mi

1:45:56

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:35/mi

1:51:41

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:46/mi

2:13:00

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:33/mi

2:42:38

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:30/mi

3:12:07

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:46/mi

3:42:26

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:09/mi

3:54:54

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

6–172 ft

≈

×14story building

•▲ 503 ft climb · ▼ 613 ft descent

The Course

Half Splits

1st Half· via Half

1:51:418:32 /mi⚡ faster

2nd Half

2:03:139:24 /mi+10.3%

Positive split — 10.3% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	25:02	8:04	3.11 mi	25:02	8:04	-
10K	51:32	8:18	3.10 mi	26:30	8:32	+0:28
15K	1:18:21	8:25	3.11 mi	26:49	8:38	+0:06
20K	1:45:56	8:32	3.11 mi	27:35	8:53	+0:15
Half(13.10 mi)	1:51:41	8:32	0.67 mi	5:45	8:35	-0:18
25K	2:13:00	8:34	2.43 mi	21:19	8:46	+0:11
30K	2:42:38	8:44	3.11 mi	29:38	9:33	+0:47
35K	3:12:07	8:51	3.11 mi	29:29	9:30	-0:03
40K	3:42:26	8:57	3.10 mi	30:19	9:46	+0:16
Finish(26.22 mi)	3:54:54	8:58	1.37 mi	12:28	9:09	-0:37

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:04 /mi

Average Pace

8:58 /mi

Slowest Pace

9:46 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

57:17

24% of race

Time at Steady Pace

1:15:43

32% of race

Time at Slower Pace

1:41:54

43% of race

Average Pace: 8:58 /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	14861	3508	3508	17506	4354	4354
10K	3.10 mi	16844-1983	4142-634	4142-634	18685	4789	4789
15K	3.11 mi	17007-163	4192-50	4192-50	17506	4354	4354
20K	3.11 mi	18097-1090	4578-386	4578-386	22114	5940	5940
Half(13.10 mi)	0.67 mi	17972+125	4540+38	4540+38	16408	4094	4094
25K	2.43 mi	17958+14	4575-35	4575-35	18072	4696	4696
30K	3.11 mi	18535-577	4834-259	4834-259	22221	6451	6451
35K	3.11 mi	18286+249	4858-24	4858-24	18253	5386	5386
40K	3.10 mi	18280+6	5020-162	5020-162	19205	6213	6213
Finish(26.22 mi)	1.37 mi	18065+215	5004+16	5004+16	16146	5111	5111

5111

Passing Analysis

Category:

▼Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#14861
5K → 10K	205370-1983	#14861 → #16844
10K → 15K	400237-163	#16844 → #17007
15K → 20K	116272-1090	#17007 → #18097
20K → Half	9134+125	#18097 → #17972
Half → 25K	249263+14	#17972 → #17958
25K → 30K	836259-577	#17958 → #18535
30K → 35K	301550+249	#18535 → #18286
35K → 40K	465471+6	#18286 → #18280
40K → Finish	74289+215	#18280 → #18065
TOTALS	55492345-3204	#14861 → #18065

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed 4 months ago

Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing