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BOSTON MARATHON 2024

Youngchul Kim

Bib: 5370•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 31%
Gender (Male)
#0 / 14578
Top 43%
Masters (Masters Men)
#0 / 9729
Top 32%
Division (M50-54)
#0 / 1935
Top 31%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:27
Rank: #6395
Start → 5K
21:27 | 6:54/mi
10K· 6.21 mi
44:05
Rank: #7421 (-1026)
5K → 10K
22:38 | 7:17/mi
15K· 9.32 mi
1:06:48
Rank: #7643 (-222)
10K → 15K
22:43 | 7:19/mi
20K· 12.43 mi
1:30:01
Rank: #7718 (-75)
15K → 20K
23:13 | 7:28/mi
Half· 13.11 mi
1:35:01
Rank: #7718
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:53:32
Rank: #7661 (+57)
Half → 25K
18:31 | 7:38/mi
30K· 18.64 mi
2:18:38
Rank: #7685 (-24)
25K → 30K
25:06 | 8:05/mi
20M
2:29:53
Rank: #7701 (-16)
30K → 20M
11:15 | 8:17/mi
21M
2:39:05
Rank: #7745 (-44)
20M → 21M
9:12 | 9:12/mi
35K· 21.75 mi
2:45:08
Rank: #7709 (+36)
21M → 35K
6:03 | 8:05/mi
23M
2:56:11
Rank: #7784 (-75)
35K → 23M
11:03 | 8:50/mi
24M
3:04:39
Rank: #7793 (-9)
23M → 24M
8:28 | 8:28/mi
40K· 24.85 mi
3:11:56
Rank: #7766 (+27)
24M → 40K
7:17 | 8:31/mi
25.2M
3:15:15
Rank: #7773 (-7)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:24:03
Rank: #7936 (-163)
25.2M → Finish
8:48 | 8:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:01
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:49:02
Pace8:19 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:2421:276:5421:27
6:54
-
10K
6.21 mi10:51:0244:057:0622:38
7:17
+0:23
15K
9.32 mi11:13:451:06:487:1022:43
7:19
+0:02
20K
12.43 mi11:36:581:30:017:1523:13
7:28
+0:09
Half
13.11 mi11:41:581:35:017:155:00
7:20
-0:08
25K
15.53 mi12:00:291:53:327:1918:31
7:38
+0:18
30K
18.64 mi12:25:352:18:387:2625:06
8:05
+0:27
20M
20.00 mi12:36:502:29:537:3011:15
8:17
+0:12
21M
21.00 mi12:46:022:39:057:359:12
9:12
+0:55
35K
21.75 mi12:52:052:45:087:366:03
8:05
-1:07
23M
23.00 mi13:03:082:56:117:4011:03
8:50
+0:45
24M
24.00 mi13:11:363:04:397:428:28
8:28
-0:22
40K
24.85 mi13:18:533:11:567:437:17
8:31
+0:03
25.2M
25.20 mi13:22:123:15:157:453:19
9:37
+1:06
Finish
26.22 mi13:31:003:24:037:478:48
8:38
-0:59

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

6:54 /mi

Average Pace

7:47 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:32

56% of race

Time at Steady Pace

42:24

21% of race

Time at Slower Pace

48:07

24% of race

Average Pace: 7:47 /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 mi10:28:2421:276:5421:27
6:54
#6395
10K
6.21 mi10:51:0244:057:0622:38
7:17
#7421
15K
9.32 mi11:13:451:06:487:1022:43
7:19
#7643
20K
12.43 mi11:36:581:30:017:1523:13
7:28
#7718
Half
13.11 mi11:41:581:35:017:155:00
7:20
#7718
25K
15.53 mi12:00:291:53:327:1918:31
7:38
#7661
30K
18.64 mi12:25:352:18:387:2625:06
8:05
#7685
20M
20.00 mi12:36:502:29:537:3011:15
8:17
#7701
21M
21.00 mi12:46:022:39:057:359:12
9:12
#7745
35K
21.75 mi12:52:052:45:087:366:03
8:05
#7709
23M
23.00 mi13:03:082:56:117:4011:03
8:50
#7784
24M
24.00 mi13:11:363:04:397:428:28
8:28
#7793
40K
24.85 mi13:18:533:11:567:437:17
8:31
#7766
25.2M
25.20 mi13:22:123:15:157:453:19
9:37
#7773
Finish
26.22 mi13:31:003:24:037:478:48
8:38
#7936
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6395573157318232(Top 32%)6857(Top 47%)6857(Top 354%)
10K6.21 mi3.10 mi7421-10266424-6936424-6938543(Top 33%)7072(Top 49%)7072(Top 365%)
15K9.32 mi3.11 mi7643-2226547-1236547-1238232(Top 32%)6857(Top 47%)6857(Top 354%)
20K12.43 mi3.11 mi7718-756571-246571-248168(Top 32%)6695(Top 46%)6695(Top 346%)
Half13.11 mi0.68 mi77186563+86563+87846(Top 31%)6531(Top 45%)6531(Top 338%)
25K15.53 mi2.42 mi7661+576484+796484+797862(Top 31%)6343(Top 44%)6343(Top 328%)
30K18.64 mi3.11 mi7685-246407+776407+778317(Top 33%)6397(Top 44%)6397(Top 331%)
20M20.00 mi1.36 mi7701-166380+276380+278243(Top 32%)6116(Top 42%)6116(Top 316%)
21M21.00 mi1.00 mi7745-446350+306350+309473(Top 37%)6508(Top 45%)6508(Top 336%)
35K21.75 mi0.75 mi7709+366295+556295+558290(Top 32%)5899(Top 40%)5899(Top 305%)
23M23.00 mi1.25 mi7784-756278+176278+1710227(Top 40%)6686(Top 46%)6686(Top 346%)
24M24.00 mi1.00 mi7793-96245+336245+339241(Top 36%)6158(Top 42%)6158(Top 318%)
40K24.85 mi0.85 mi7766+276185+606185+608425(Top 33%)5626(Top 39%)5626(Top 291%)
25.2M25.20 mi0.35 mi7773-76164+216164+219169(Top 36%)5906(Top 41%)5906(Top 305%)
Finish26.22 mi1.02 mi7936-1636205-416205-4112241(Top 48%)7624(Top 52%)7624(Top 394%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8232

Males

6857

M50-54

6857

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8543

Males

7072

M50-54

7072

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8232

Males

6857

M50-54

6857

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8168

Males

6695

M50-54

6695

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

7846

Males

6531

M50-54

6531

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

7862

Males

6343

M50-54

6343

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8317

Males

6397

M50-54

6397

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8243

Males

6116

M50-54

6116

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

9473

Males

6508

M50-54

6508

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8290

Males

5899

M50-54

5899

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10227

Males

6686

M50-54

6686

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9241

Males

6158

M50-54

6158

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8425

Males

5626

M50-54

5626

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9169

Males

5906

M50-54

5906

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12241

Males

7624

M50-54

7624

Passing Analysis

Category:
Athletes Passed
1451
Passed By
2992
Net Change
-1541
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6395
5K → 10K231049-1026#6395#7421
10K → 15K91313-222#7421#7643
15K → 20K158233-75#7643#7718
20K → Half35350#7718#7718
Half → 25K199142+57#7718#7661
25K → 30K242266-24#7661#7685
30K → 20M113129-16#7685#7701
20M → 21M116160-44#7701#7745
21M → 35K9256+36#7745#7709
35K → 23M113188-75#7709#7784
23M → 24M8796-9#7784#7793
24M → 40K10073+27#7793#7766
40K → 25.2M4047-7#7766#7773
25.2M → Finish42205-163#7773#7936
TOTALS14512992-1541
📊

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