Cecilia Tai

Bib: 28782 F US

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

12:20/mi

38:18

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:59/mi

1:15:29

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

12:44/mi

1:55:00

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

12:17/mi

2:33:08

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

12:52/mi

2:41:46

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

13:05/mi

3:13:38

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

13:34/mi

3:55:46

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

13:38/mi

4:38:06

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:34/mi

5:20:13

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:19/mi

5:37:00

↑ 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

2:41:4612:22 /mi⚡ faster

2nd Half

2:55:1413:22 /mi+8.3%

Positive split — 8.3% slower in the second half

AI Race Performance Report

Cecilia'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	38:18	12:20	3.11 mi	38:18	12:20	-
10K	1:15:29	12:09	3.10 mi	37:11	11:59	-0:21
15K	1:55:00	12:21	3.11 mi	39:31	12:44	+0:45
20K	2:33:08	12:20	3.11 mi	38:08	12:17	-0:27
Half(13.10 mi)	2:41:46	12:22	0.67 mi	8:38	12:52	+0:35
25K	3:13:38	12:28	2.43 mi	31:52	13:05	+0:13
30K	3:55:46	12:39	3.11 mi	42:08	13:34	+0:29
35K	4:38:06	12:48	3.11 mi	42:20	13:38	+0:04
40K	5:20:13	12:54	3.10 mi	42:07	13:34	-0:04
Finish(26.22 mi)	5:37:00	12:52	1.37 mi	16:47	12:19	-1:15

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

11:59 /mi

Average Pace

12:52 /mi

Slowest Pace

13:38 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:30:25

62% of race

Time at Steady Pace

2:06:35

38% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:51 /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	55307	22801	22801	51683	20498	20498
10K	3.10 mi	53540+1767	21622+1179	21622+1179	51715	20445	20445
15K	3.11 mi	52928+612	21233+389	21233+389	51683	20498	20498
20K	3.11 mi	51854+1074	20592+641	20592+641	49037	19007	19007
Half(13.10 mi)	0.67 mi	51740+114	20532+60	20532+60	49849	19780	19780
25K	2.43 mi	50979+761	20106+426	20106+426	47943	18719	18719
30K	3.11 mi	50302+677	19763+343	19763+343	47133	18568	18568
35K	3.11 mi	49497+805	19434+329	19434+329	44220	17540	17540
40K	3.10 mi	49132+365	19310+124	19310+124	45695	18532	18532
Finish(26.22 mi)	1.37 mi	48809+323	19149+161	19149+161	42061	16633	16633

16633

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