Joanna Gray

Bib: 18898 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Top 42%

Division (F18-39)

#0 / 14744

Top 44%

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

9:43/mi

30:11

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:06/mi

1:01:31

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:50/mi

1:35:10

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:07/mi

2:06:33

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

10:32/mi

2:13:37

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:18/mi

2:38:42

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:28/mi

3:11:10

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:09/mi

3:48:53

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:07/mi

4:23:23

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:52/mi

4:38:11

↑ 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

2:13:3710:13 /mi⚡ faster

2nd Half

2:24:3411:02 /mi+8.2%

Positive split — 8.2% slower in the second half

AI Race Performance Report

Joanna'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	30:11	9:43	3.11 mi	30:11	9:43	-
10K	1:01:31	9:55	3.10 mi	31:20	10:06	+0:23
15K	1:35:10	10:13	3.11 mi	33:39	10:50	+0:44
20K	2:06:33	10:11	3.11 mi	31:23	10:07	-0:43
Half(13.10 mi)	2:13:37	10:13	0.67 mi	7:04	10:32	+0:25
25K	2:38:42	10:13	2.43 mi	25:05	10:18	-0:14
30K	3:11:10	10:16	3.11 mi	32:28	10:28	+0:10
35K	3:48:53	10:32	3.11 mi	37:43	12:09	+1:41
40K	4:23:23	10:36	3.10 mi	34:30	11:07	-1:02
Finish(26.22 mi)	4:38:11	10:38	1.37 mi	14:48	10:52	-0:15

Trend:

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Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:43 /mi

Average Pace

10:37 /mi

Slowest Pace

12:09 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:32:54

33% of race

Time at Steady Pace

1:38:16

35% of race

Time at Slower Pace

1:27:01

31% of race

Average Pace: 10:37 /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	35660	11228	11228	40258	13670	13670
10K	3.10 mi	36443-783	11628-400	11628-400	37283	12065	12065
15K	3.11 mi	37703-1260	12254-626	12254-626	40258	13670	13670
20K	3.11 mi	36684+1019	11868+386	11868+386	34455	11015	11015
Half(13.10 mi)	0.67 mi	36564+120	11843+25	11843+25	35223	11566	11566
25K	2.43 mi	35536+1028	11455+388	11455+388	31721	10122	10122
30K	3.11 mi	33963+1573	10894+561	10894+561	28802	9211	9211
35K	3.11 mi	34293-330	11315-421	11315-421	35705	13223	13223
40K	3.10 mi	33373+920	11128+187	11128+187	28721	10417	10417
Finish(26.22 mi)	1.37 mi	33118+255	11087+41	11087+41	30333	11168	11168

11168

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