Isabella Grimshaw

Bib: 30955 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Division (F18-39)

#0 / 14744

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

11:34/mi

35:56

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:24/mi

1:11:18

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

13:18/mi

1:52:37

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

13:17/mi

2:33:52

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

12:48/mi

2:42:27

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

13:53/mi

3:16:14

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

14:03/mi

3:59:50

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

16:59/mi

4:52:33

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

12:19/mi

5:30:47

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

13:41/mi

5:49:26

↑ 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

2:42:2712:25 /mi⚡ faster

2nd Half

3:06:5914:16 /mi+15.1%

Positive split — 15.1% slower in the second half

AI Race Performance Report

Isabella'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	35:56	11:34	3.11 mi	35:56	11:34	-
10K	1:11:18	11:29	3.10 mi	35:22	11:24	-0:10
15K	1:52:37	12:05	3.11 mi	41:19	13:18	+1:54
20K	2:33:52	12:23	3.11 mi	41:15	13:17	-0:01
Half(13.10 mi)	2:42:27	12:25	0.67 mi	8:35	12:48	-0:29
25K	3:16:14	12:38	2.43 mi	33:47	13:53	+1:05
30K	3:59:50	12:52	3.11 mi	43:36	14:03	+0:10
35K	4:52:33	13:28	3.11 mi	52:43	16:59	+2:56
40K	5:30:47	13:19	3.10 mi	38:14	12:19	-4:40
Finish(26.22 mi)	5:49:26	13:21	1.37 mi	18:39	13:41	+1:22

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

11:24 /mi

Average Pace

13:20 /mi

Slowest Pace

16:59 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:49:32

31% of race

Time at Steady Pace

2:23:35

41% of race

Time at Slower Pace

1:36:19

28% of race

Average Pace: 13:20 /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	52090	20581	20581	53801	21916	21916
10K	3.10 mi	50216+1874	19409+1172	19409+1172	48411	18296	18296
15K	3.11 mi	51815-1599	20507-1098	20507-1098	53801	21916	21916
20K	3.11 mi	52123-308	20765-258	20765-258	52769	21413	21413
Half(13.10 mi)	0.67 mi	51953+170	20673+92	20673+92	49455	19555	19555
25K	2.43 mi	51719+234	20599+74	20599+74	50760	20413	20413
30K	3.11 mi	51301+418	20415+184	20415+184	49194	19731	19731
35K	3.11 mi	52354-1053	21190-775	21190-775	56120	23985	23985
40K	3.10 mi	51162+1192	20520+670	20520+670	37632	14607	14607
Finish(26.22 mi)	1.37 mi	51098+64	20518+2	20518+2	49859	20681	20681

20681

Passing Analysis

Category:

▲Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#52090
5K → 10K	611935+1874	#52090 → #50216
10K → 15K	1744145-1599	#50216 → #51815
15K → 20K	624316-308	#51815 → #52123
20K → Half	30200+170	#52123 → #51953
Half → 25K	274508+234	#51953 → #51719
25K → 30K	187605+418	#51719 → #51301
30K → 35K	114592-1053	#51301 → #52354
35K → 40K	51197+1192	#52354 → #51162
40K → Finish	92156+64	#51162 → #51098
TOTALS	41625154+992	#52090 → #51098

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