Isabella Greef

Bib: 31967 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 45%

Gender (Female)

#0 / 26115

Top 32%

Division (F18-39)

#0 / 14744

Top 33%

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

8:58/mi

27:51

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:21/mi

56:52

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:53/mi

1:27:32

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:52/mi

1:58:09

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

10:00/mi

2:04:51

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:06/mi

2:29:27

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:19/mi

3:01:29

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:24/mi

3:33:45

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:14/mi

4:05:32

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:07/mi

4:19:19

↑ 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

2:04:519:32 /mi⚡ faster

2nd Half

2:14:2810:15 /mi+7.7%

Positive split — 7.7% slower in the second half

AI Race Performance Report

Isabella'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	27:51	8:58	3.11 mi	27:51	8:58	-
10K	56:52	9:10	3.10 mi	29:01	9:21	+0:23
15K	1:27:32	9:24	3.11 mi	30:40	9:53	+0:32
20K	1:58:09	9:31	3.11 mi	30:37	9:52	-0:01
Half(13.10 mi)	2:04:51	9:32	0.67 mi	6:42	10:00	+0:08
25K	2:29:27	9:38	2.43 mi	24:36	10:06	+0:06
30K	3:01:29	9:45	3.11 mi	32:02	10:19	+0:13
35K	3:33:45	9:50	3.11 mi	32:16	10:24	+0:05
40K	4:05:32	9:53	3.10 mi	31:47	10:14	-0:10
Finish(26.22 mi)	4:19:19	9:54	1.37 mi	13:47	10:07	-0:07

Trend:

Faster pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:58 /mi

Average Pace

9:54 /mi

Slowest Pace

10:24 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

56:52

22% of race

Time at Steady Pace

3:22:27

78% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:53 /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	26252	7461	7461	31575	9460	9460
10K	3.10 mi	27803-1551	8015-554	8015-554	29515	8629	8629
15K	3.11 mi	29408-1605	8587-572	8587-572	31575	9460	9460
20K	3.11 mi	30206-798	8953-366	8953-366	32230	9951	9951
Half(13.10 mi)	0.67 mi	30189+17	8964-11	8964-11	30379	9232	9232
25K	2.43 mi	29959+230	8943+21	8943+21	30136	9394	9394
30K	3.11 mi	29238+721	8807+136	8807+136	27763	8732	8732
35K	3.11 mi	28008+1230	8570+237	8570+237	24363	7882	7882
40K	3.10 mi	26906+1102	8343+227	8343+227	22509	7613	7613
Finish(26.22 mi)	1.37 mi	26642+264	8304+39	8304+39	23977	8248	8248

8248

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