Jongsoo Choi

Bib: 15586 M KR

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 59786

Gender (Male)

#0 / 33594

Division (M18-39)

#0 / 16712

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

9:10/mi

28:28

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:22/mi

57:33

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:39/mi

1:27:29

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:54/mi

1:58:12

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:51/mi

2:04:48

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:10/mi

2:29:32

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:24/mi

3:04:56

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:10/mi

3:42:43

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:41/mi

4:19:00

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:23/mi

4:33:09

↑ 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

See every mile of your race

Claim this result to add your watch's GPX and unlock per-mile pace, heart rate, and grade — mile by mile on this timeline.

Works with Garmin, Apple Watch, Strava, COROS, Suunto & more.

The Course

Half Splits

1st Half· via Half

2:04:489:32 /mi⚡ faster

2nd Half

2:28:2111:19 /mi+18.9%

Positive split — 18.9% slower in the second half

AI Race Performance Report

Jongsoo'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.

Free account · no payment

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	28:28	9:10	3.11 mi	28:28	9:10	-
10K	57:33	9:16	3.10 mi	29:05	9:22	+0:12
15K	1:27:29	9:24	3.11 mi	29:56	9:39	+0:17
20K	1:58:12	9:31	3.11 mi	30:43	9:54	+0:15
Half(13.10 mi)	2:04:48	9:32	0.67 mi	6:36	9:51	-0:03
25K	2:29:32	9:38	2.43 mi	24:44	10:10	+0:19
30K	3:04:56	9:56	3.11 mi	35:24	11:24	+1:14
35K	3:42:43	10:15	3.11 mi	37:47	12:10	+0:46
40K	4:19:00	10:26	3.10 mi	36:17	11:41	-0:29
Finish(26.22 mi)	4:33:09	10:26	1.37 mi	14:09	10:23	-1:18

Trend:

Faster pace

Steady pace

Slower pace

More below

See the rest of Jongsoo's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

Checkpoints & Pacing

Pace Line

Fastest Pace

9:10 /mi

Average Pace

10:26 /mi

Slowest Pace

12:10 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:27:29

32% of race

Time at Steady Pace

1:16:12

28% of race

Time at Slower Pace

1:49:28

40% of race

Average Pace: 10:25 /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	M18-39	Seg. Overall	Seg. Males	Seg. M18-39
5K	3.11 mi	29177	20612	20612	29358	20764	20764
10K	3.10 mi	29447-270	20770-158	20770-158	29749	20997	20997
15K	3.11 mi	29333+114	20742+28	20742+28	29358	20764	20764
20K	3.11 mi	30248-915	21238-496	21238-496	32483	22386	22386
Half(13.10 mi)	0.67 mi	30155+93	21169+69	21169+69	29107	20401	20401
25K	2.43 mi	30020+135	21016+153	21016+153	30518	20925	20925
30K	3.11 mi	30918-898	21353-337	21353-337	35275	22904	22904
35K	3.11 mi	31640-722	21491-138	21491-138	35818	22496	22496
40K	3.10 mi	31812-172	21354+137	21354+137	33078	20606	20606
Finish(26.22 mi)	1.37 mi	31408+404	21058+296	21058+296	26194	16934	16934

16934

Passing Analysis

No position changes recorded for this athlete.

All Results

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing