Isabel Velasco

Bib: 74750 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

9:48/mi

30:26

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:20/mi

1:02:32

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:48/mi

1:36:03

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:35/mi

2:08:53

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

10:56/mi

2:16:13

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:56/mi

2:42:51

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:19/mi

3:18:00

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:54/mi

3:54:58

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:25/mi

4:36:36

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:17/mi

4:53:20

↑ 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

2:16:1310:24 /mi⚡ faster

2nd Half

2:37:0711:59 /mi+15.3%

Positive split — 15.3% slower in the second half

AI Race Performance Report

Isabel'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	30:26	9:48	3.11 mi	30:26	9:48	-
10K	1:02:32	10:04	3.10 mi	32:06	10:20	+0:32
15K	1:36:03	10:19	3.11 mi	33:31	10:48	+0:28
20K	2:08:53	10:23	3.11 mi	32:50	10:35	-0:13
Half(13.10 mi)	2:16:13	10:24	0.67 mi	7:20	10:56	+0:21
25K	2:42:51	10:29	2.43 mi	26:38	10:56	0:00
30K	3:18:00	10:38	3.11 mi	35:09	11:19	+0:23
35K	3:54:58	10:49	3.11 mi	36:58	11:54	+0:35
40K	4:36:36	11:08	3.10 mi	41:38	13:25	+1:31
Finish(26.22 mi)	4:53:20	11:12	1.37 mi	16:44	12:17	-1:08

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:48 /mi

Average Pace

11:12 /mi

Slowest Pace

13:25 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:02:32

21% of race

Time at Steady Pace

2:15:28

46% of race

Time at Slower Pace

1:35:20

33% of race

Average Pace: 11:11 /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	36565	11691	11691	39885	13464	13464
10K	3.10 mi	38056-1491	12420-729	12420-729	39690	13284	13284
15K	3.11 mi	38650-594	12756-336	12756-336	39885	13464	13464
20K	3.11 mi	38501+149	12753+3	12753+3	38441	13011	13011
Half(13.10 mi)	0.67 mi	38450+51	12757-4	12757-4	38585	13320	13320
25K	2.43 mi	37926+524	12632+125	12632+125	36535	12493	12493
30K	3.11 mi	37228+698	12486+146	12486+146	34772	12074	12074
35K	3.11 mi	36660+568	12405+81	12405+81	34181	12522	12522
40K	3.10 mi	37848-1188	13212-807	13212-807	44827	18093	18093
Finish(26.22 mi)	1.37 mi	38043-195	13384-172	13384-172	41772	16471	16471

16471

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