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BOSTON MARATHON 2024

Jaehong Kim

Bib: 30185•M

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:06
Rank: #20251
Start → 5K
28:06 | 9:03/mi
10K· 6.21 mi
55:15
Rank: #19448 (+803)
5K → 10K
27:09 | 8:44/mi
15K· 9.32 mi
1:22:33
Rank: #18942 (+506)
10K → 15K
27:18 | 8:47/mi
20K· 12.43 mi
1:50:19
Rank: #18384 (+558)
15K → 20K
27:46 | 8:56/mi
Half· 13.11 mi
1:56:15
Rank: #18286 (+98)
20K → Half
5:56 | 8:42/mi
25K· 15.53 mi
2:17:59
Rank: #17755 (+531)
Half → 25K
21:44 | 8:58/mi
30K· 18.64 mi
2:47:02
Rank: #17173 (+582)
25K → 30K
29:03 | 9:21/mi
20M
3:00:25
Rank: #17089 (+84)
30K → 20M
13:23 | 9:51/mi
21M
3:11:28
Rank: #17071 (+18)
20M → 21M
11:03 | 11:03/mi
35K· 21.75 mi
3:19:43
Rank: #17227 (-156)
21M → 35K
8:15 | 11:02/mi
23M
3:35:28
Rank: #17679 (-452)
35K → 23M
15:45 | 12:35/mi
24M
3:46:49
Rank: #17796 (-117)
23M → 24M
11:21 | 11:21/mi
40K· 24.85 mi
3:57:24
Rank: #17976 (-180)
24M → 40K
10:35 | 12:23/mi
25.2M
4:02:39
Rank: #18109 (-133)
40K → 25.2M
5:15 | 15:13/mi
Finish· 26.22 mi
4:13:08
Rank: #18116 (-7)
25.2M → Finish
10:29 | 10:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:15
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:16:53
Pace10:27 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3528:069:0328:06
9:03
-
10K
6.21 mi12:21:4455:158:5327:09
8:44
-0:19
15K
9.32 mi12:49:021:22:338:5127:18
8:47
+0:03
20K
12.43 mi13:16:481:50:198:5327:46
8:56
+0:09
Half
13.11 mi13:22:441:56:158:525:56
8:42
-0:14
25K
15.53 mi13:44:282:17:598:5321:44
8:58
+0:16
30K
18.64 mi14:13:312:47:028:5829:03
9:21
+0:23
20M
20.00 mi14:26:543:00:259:0113:23
9:51
+0:30
21M
21.00 mi14:37:573:11:289:0711:03
11:03
+1:12
35K
21.75 mi14:46:123:19:439:118:15
11:02
-0:01
23M
23.00 mi15:01:573:35:289:2215:45
12:35
+1:33
24M
24.00 mi15:13:183:46:499:2711:21
11:21
-1:14
40K
24.85 mi15:23:533:57:249:3310:35
12:23
+1:02
25.2M
25.20 mi15:29:084:02:399:385:15
15:13
+2:50
Finish
26.22 mi15:39:374:13:089:4010:29
10:17
-4:56

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:42 /mi

Average Pace

9:40 /mi

Slowest Pace

15:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:09

35% of race

Time at Steady Pace

1:42:45

41% of race

Time at Slower Pace

1:02:14

25% of race

Average Pace: 9:39 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:54:3528:069:0328:06
9:03
#20251
10K
6.21 mi12:21:4455:158:5327:09
8:44
#19448
15K
9.32 mi12:49:021:22:338:5127:18
8:47
#18942
20K
12.43 mi13:16:481:50:198:5327:46
8:56
#18384
Half
13.11 mi13:22:441:56:158:525:56
8:42
#18286
25K
15.53 mi13:44:282:17:598:5321:44
8:58
#17755
30K
18.64 mi14:13:312:47:028:5829:03
9:21
#17173
20M
20.00 mi14:26:543:00:259:0113:23
9:51
#17089
21M
21.00 mi14:37:573:11:289:0711:03
11:03
#17071
35K
21.75 mi14:46:123:19:439:118:15
11:02
#17227
23M
23.00 mi15:01:573:35:289:2215:45
12:35
#17679
24M
24.00 mi15:13:183:46:499:2711:21
11:21
#17796
40K
24.85 mi15:23:533:57:249:3310:35
12:23
#17976
25.2M
25.20 mi15:29:084:02:399:385:15
15:13
#18109
Finish
26.22 mi15:39:374:13:089:4010:29
10:17
#18116
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20251121971219717911(Top 70%)11205(Top 77%)11205(Top 231%)
10K6.21 mi3.10 mi19448+80311845+35211845+35218556(Top 73%)11462(Top 79%)11462(Top 236%)
15K9.32 mi3.11 mi18942+50611631+21411631+21417911(Top 70%)11205(Top 77%)11205(Top 231%)
20K12.43 mi3.11 mi18384+55811390+24111390+24117062(Top 67%)10828(Top 74%)10828(Top 223%)
Half13.11 mi0.68 mi18286+9811351+3911351+3916801(Top 66%)10665(Top 73%)10665(Top 220%)
25K15.53 mi2.42 mi17755+53111082+26911082+26915355(Top 60%)9958(Top 68%)9958(Top 205%)
30K18.64 mi3.11 mi17173+58210783+29910783+29914827(Top 58%)9473(Top 65%)9473(Top 195%)
20M20.00 mi1.36 mi17089+8410713+7010713+7015940(Top 62%)9736(Top 67%)9736(Top 201%)
21M21.00 mi1.00 mi17071+1810671+4210671+4216469(Top 64%)9850(Top 68%)9850(Top 203%)
35K21.75 mi0.75 mi17227-15610717-4610717-4619859(Top 78%)11548(Top 79%)11548(Top 238%)
23M23.00 mi1.25 mi17679-45210888-17110888-17121835(Top 85%)12505(Top 86%)12505(Top 258%)
24M24.00 mi1.00 mi17796-11710907-1910907-1920090(Top 79%)11559(Top 79%)11559(Top 238%)
40K24.85 mi0.85 mi17976-18010967-6010967-6021164(Top 83%)12051(Top 83%)12051(Top 249%)
25.2M25.20 mi0.35 mi18109-13311022-5511022-5523233(Top 91%)13163(Top 90%)13163(Top 271%)
Finish26.22 mi1.02 mi18116-710998+2410998+2419369(Top 76%)11170(Top 77%)11170(Top 230%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

17911

Males

11205

M18-39

11205

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

18556

Males

11462

M18-39

11462

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

17911

Males

11205

M18-39

11205

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17062

Males

10828

M18-39

10828

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

16801

Males

10665

M18-39

10665

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

15355

Males

9958

M18-39

9958

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

14827

Males

9473

M18-39

9473

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

15940

Males

9736

M18-39

9736

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

16469

Males

9850

M18-39

9850

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

19859

Males

11548

M18-39

11548

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

21835

Males

12505

M18-39

12505

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

20090

Males

11559

M18-39

11559

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

21164

Males

12051

M18-39

12051

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

23233

Males

13163

M18-39

13163

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

19369

Males

11170

M18-39

11170

Passing Analysis

Category:
Athletes Passed
3704
Passed By
1569
Net Change
+2135
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20251
5K → 10K83734+803#20251#19448
10K → 15K53933+506#19448#18942
15K → 20K59032+558#18942#18384
20K → Half1057+98#18384#18286
Half → 25K5387+531#18286#17755
25K → 30K61937+582#17755#17173
30K → 20M15369+84#17173#17089
20M → 21M10789+18#17089#17071
21M → 35K39195-156#17071#17227
35K → 23M29481-452#17227#17679
23M → 24M37154-117#17679#17796
24M → 40K28208-180#17796#17976
40K → 25.2M10143-133#17976#18109
25.2M → Finish7380-7#18109#18116
TOTALS37041569+2135
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing