Katie Duffy

Bib: 15897 F IE

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 23%

Gender (Female)

#0 / 26115

Top 14%

Division (F18-39)

#0 / 14744

Top 15%

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

8:12/mi

25:27

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:11/mi

50:50

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:14/mi

1:16:24

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:03/mi

1:41:23

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:21/mi

1:46:59

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:12/mi

2:06:55

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

8:14/mi

2:32:29

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

8:23/mi

2:58:31

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:48/mi

3:32:03

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:17/mi

3:43:20

↑ 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

1:46:598:11 /mi⚡ faster

2nd Half

1:56:218:53 /mi+8.8%

Positive split — 8.8% slower in the second half

AI Race Performance Report

Katie's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	25:27	8:12	3.11 mi	25:27	8:12	-
10K	50:50	8:11	3.10 mi	25:23	8:11	-0:01
15K	1:16:24	8:12	3.11 mi	25:34	8:14	+0:03
20K	1:41:23	8:10	3.11 mi	24:59	8:03	-0:11
Half(13.10 mi)	1:46:59	8:11	0.67 mi	5:36	8:21	+0:18
25K	2:06:55	8:11	2.43 mi	19:56	8:12	-0:09
30K	2:32:29	8:11	3.11 mi	25:34	8:14	+0:02
35K	2:58:31	8:13	3.11 mi	26:02	8:23	+0:09
40K	3:32:03	8:32	3.10 mi	33:32	10:48	+2:25
Finish(26.22 mi)	3:43:20	8:32	1.37 mi	11:17	8:17	-2:31

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:03 /mi

Average Pace

8:31 /mi

Slowest Pace

10:48 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:09:48

85% of race

Time at Slower Pace

33:32

15% of race

Average Pace: 8:31 /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	16350	3980	3980	13598	3062	3062
10K	3.10 mi	15691+659	3800+180	3800+180	15112	3609	3609
15K	3.11 mi	14893+798	3523+277	3523+277	13598	3062	3062
20K	3.11 mi	14493+400	3385+138	3385+138	13535	3071	3071
Half(13.10 mi)	0.67 mi	14456+37	3380+5	3380+5	14293	3356	3356
25K	2.43 mi	14121+335	3287+93	3287+93	13094	3011	3011
30K	3.11 mi	13322+799	3081+206	3081+206	11026	2448	2448
35K	3.11 mi	12492+830	2916+165	2916+165	10041	2336	2336
40K	3.10 mi	14338-1846	3674-758	3674-758	26471	9373	9373
Finish(26.22 mi)	1.37 mi	13894+444	3583+91	3583+91	9438	2485	2485

2485

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