Jonghoon Choo

Bib: 58568 M KR

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Top 44%

Gender (Male)

#0 / 33594

Masters (Masters Men)

#0 / 16876

Division (M40-44)

#0 / 4826

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

8:16/mi

25:40

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:05/mi

50:45

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:35/mi

1:17:25

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:20/mi

1:43:17

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:41/mi

1:49:06

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:28/mi

2:09:42

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:13/mi

2:38:18

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:18/mi

3:16:30

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

15:28/mi

4:04:31

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:47/mi

4:19:13

↑ 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

1:49:068:20 /mi⚡ faster

2nd Half

2:30:0711:27 /mi+37.6%

Positive split — 37.6% slower in the second half

AI Race Performance Report

Jonghoon'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	25:40	8:16	3.11 mi	25:40	8:16	-
10K	50:45	8:11	3.10 mi	25:05	8:05	-0:11
15K	1:17:25	8:19	3.11 mi	26:40	8:35	+0:30
20K	1:43:17	8:19	3.11 mi	25:52	8:20	-0:15
Half(13.10 mi)	1:49:06	8:20	0.67 mi	5:49	8:41	+0:21
25K	2:09:42	8:21	2.43 mi	20:36	8:28	-0:13
30K	2:38:18	8:30	3.11 mi	28:36	9:13	+0:45
35K	3:16:30	9:03	3.11 mi	38:12	12:18	+3:05
40K	4:04:31	9:51	3.10 mi	48:01	15:28	+3:10
Finish(26.22 mi)	4:19:13	9:54	1.37 mi	14:42	10:47	-4:41

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:05 /mi

Average Pace

9:54 /mi

Slowest Pace

15:28 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:38:18

61% of race

Time at Slower Pace

1:40:55

39% of race

Average Pace: 9:53 /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	Males	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
5K	3.11 mi	17086	12861	12861	17015	12814	12814
10K	3.10 mi	15535+1551	11771+1090	11771+1090	13897	10672	10672
15K	3.11 mi	16028-493	12125-354	12125-354	17015	12814	12814
20K	3.11 mi	16020+8	12112+13	12112+13	16231	12254	12254
Half(13.10 mi)	0.67 mi	16064-44	12148-36	12148-36	17297	12944	12944
25K	2.43 mi	15879+185	11988+160	11988+160	15407	11604	11604
30K	3.11 mi	16270-391	12178-190	12178-190	19186	13845	13845
35K	3.11 mi	20358-4088	14712-2534	14712-2534	36655	22899	22899
40K	3.10 mi	26542-6184	18317-3605	18317-3605	53983	31064	31064
Finish(26.22 mi)	1.37 mi	26598-56	18279+38	18279+38	29615	18760	18760

18760

Passing Analysis

Category:

▼Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#17086
5K → 10K	281579+1551	#17086 → #15535
10K → 15K	663170-493	#15535 → #16028
15K → 20K	237245+8	#16028 → #16020
20K → Half	8339-44	#16020 → #16064
Half → 25K	142327+185	#16064 → #15879
25K → 30K	648257-391	#15879 → #16270
30K → 35K	412032-4088	#16270 → #20358
35K → 40K	620521-6184	#20358 → #26542
40K → Finish	221165-56	#26542 → #26598
TOTALS	123472835-9512	#17086 → #26598

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