Caitlin Simpson

Bib: 23255 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

11:10/mi

34:39

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:58/mi

1:08:41

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:36/mi

1:44:43

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:55/mi

2:21:43

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:47/mi

2:29:37

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

12:28/mi

2:59:58

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

15:07/mi

3:46:55

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

13:28/mi

4:28:44

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

14:46/mi

5:14:36

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:47/mi

5:30:40

↑ 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

2:29:3711:26 /mi⚡ faster

2nd Half

3:01:0313:48 /mi+21.0%

Positive split — 21.0% slower in the second half

AI Race Performance Report

Caitlin'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	34:39	11:10	3.11 mi	34:39	11:10	-
10K	1:08:41	11:04	3.10 mi	34:02	10:58	-0:12
15K	1:44:43	11:15	3.11 mi	36:02	11:36	+0:38
20K	2:21:43	11:25	3.11 mi	37:00	11:55	+0:19
Half(13.10 mi)	2:29:37	11:26	0.67 mi	7:54	11:47	-0:08
25K	2:59:58	11:36	2.43 mi	30:21	12:28	+0:41
30K	3:46:55	12:11	3.11 mi	46:57	15:07	+2:39
35K	4:28:44	12:22	3.11 mi	41:49	13:28	-1:39
40K	5:14:36	12:40	3.10 mi	45:52	14:46	+1:18
Finish(26.22 mi)	5:30:40	12:38	1.37 mi	16:04	11:47	-2:59

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:58 /mi

Average Pace

12:37 /mi

Slowest Pace

15:07 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:08:41

21% of race

Time at Steady Pace

2:07:21

39% of race

Time at Slower Pace

2:14:38

41% of race

Average Pace: 12:37 /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	49567	18975	18975	46033	16936	16936
10K	3.10 mi	47257+2310	17581+1394	17581+1394	45263	16432	16432
15K	3.11 mi	46702+555	17267+314	17267+314	46033	16936	16936
20K	3.11 mi	46909-207	17498-231	17498-231	47324	17961	17961
Half(13.10 mi)	0.67 mi	46724+185	17405+93	17405+93	44515	16611	16611
25K	2.43 mi	46372+352	17299+106	17299+106	45155	17114	17114
30K	3.11 mi	47964-1592	18360-1061	18360-1061	53042	21970	21970
35K	3.11 mi	47233+731	18070+290	18070+290	43303	17077	17077
40K	3.10 mi	47910-677	18595-525	18595-525	51719	21668	21668
Finish(26.22 mi)	1.37 mi	47464+446	18391+204	18391+204	38108	14764	14764

14764

Passing Analysis

Category:

▲Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#49567
5K → 10K	892399+2310	#49567 → #47257
10K → 15K	324879+555	#47257 → #46702
15K → 20K	703496-207	#46702 → #46909
20K → Half	44229+185	#46909 → #46724
Half → 25K	313665+352	#46724 → #46372
25K → 30K	1717125-1592	#46372 → #47964
30K → 35K	102833+731	#47964 → #47233
35K → 40K	837160-677	#47233 → #47910
40K → Finish	16462+446	#47910 → #47464
TOTALS	41456248+2103	#49567 → #47464

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