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BOSTON MARATHON 2024

Young Chul Song

Bib: 19502•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M60-64)
#0 / 1173
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:17/mi
25:43
↑ 97↓ 3451.5%
10K· 6.21 mi
8:27/mi
51:57
↑ 79↓ 1380.4%
15K· 9.32 mi
8:44/mi
1:19:04
↑ 67↓ 78
20K· 12.43 mi
9:13/mi
1:47:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:58/mi
1:53:48
↑ 19↓ 370.5%
25K· 15.53 mi
9:49/mi
2:17:36
↑ 66↓ 880.2%
30K· 18.64 mi
11:41/mi
2:53:53
↑ 181↓ 1480.2%
20M
11:30/mi
3:09:30
↑ 64↓ 500.2%
21M
12:33/mi
3:22:03
↑ 106↓ 241.6%
35K· 21.75 mi
11:32/mi
3:30:41
↑ 17↓ 861.7%
23M
11:36/mi
3:45:13
↑ 23↓ 630.6%
24M
11:18/mi
3:56:31
↓ 821.3%
40K· 24.85 mi
10:54/mi
4:05:50
↓ 200.3%
25.2M
11:59/mi
4:09:58
↑ 13↓ 160.2%
Finish· 26.22 mi
9:51/mi
4:20:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:48
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:26:12
Pace11:09 /mi
📊Positive Split: 28.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3525:438:1725:43
8:17
-
10K
6.21 mi11:44:4951:578:2226:14
8:27
+0:10
15K
9.32 mi12:11:561:19:048:2927:07
8:44
+0:17
20K
12.43 mi12:40:331:47:418:4028:37
9:13
+0:29
Half
13.11 mi12:46:401:53:488:416:07
8:58
-0:15
25K
15.53 mi13:10:282:17:368:5123:48
9:49
+0:51
30K
18.64 mi13:46:452:53:539:2036:17
11:41
+1:52
20M
20.00 mi14:02:223:09:309:2815:37
11:30
-0:11
21M
21.00 mi14:14:553:22:039:3712:33
12:33
+1:03
35K
21.75 mi14:23:333:30:419:418:38
11:32
-1:01
23M
23.00 mi14:38:053:45:139:4814:32
11:36
+0:04
24M
24.00 mi14:49:233:56:319:5111:18
11:18
-0:18
40K
24.85 mi14:58:424:05:509:539:19
10:54
-0:24
25.2M
25.20 mi15:02:504:09:589:554:08
11:59
+1:05
Finish
26.22 mi15:12:524:20:009:5510:02
9:51
-2:08

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

8:17 /mi

Average Pace

9:55 /mi

Slowest Pace

12:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:38

57% of race

Time at Steady Pace

44:52

17% of race

Time at Slower Pace

1:07:30

26% of race

Average Pace: 9:55 /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 mi11:18:3525:438:1725:43
8:17
#16489
10K
6.21 mi11:44:4951:578:2226:14
8:27
#16697
15K
9.32 mi12:11:561:19:048:2927:07
8:44
#16968
20K
12.43 mi12:40:331:47:418:4028:37
9:13
#17305
Half
13.11 mi12:46:401:53:488:416:07
8:58
#17341
25K
15.53 mi13:10:282:17:368:5123:48
9:49
#17623
30K
18.64 mi13:46:452:53:539:2036:17
11:41
#18752
20M
20.00 mi14:02:223:09:309:2815:37
11:30
#18926
21M
21.00 mi14:14:553:22:039:3712:33
12:33
#18995
35K
21.75 mi14:23:333:30:419:418:38
11:32
#19073
23M
23.00 mi14:38:053:45:139:4814:32
11:36
#19112
24M
24.00 mi14:49:233:56:319:5111:18
11:18
#19144
40K
24.85 mi14:58:424:05:509:539:19
10:54
#19064
25.2M
25.20 mi15:02:504:09:589:554:08
11:59
#19033
Finish
26.22 mi15:12:524:20:009:5510:02
9:51
#18971
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16489105951059517632(Top 69%)11091(Top 76%)11091(Top 946%)
10K6.21 mi3.10 mi16697-20810680-8510680-8516917(Top 66%)10801(Top 74%)10801(Top 921%)
15K9.32 mi3.11 mi16968-27110804-12410804-12417632(Top 69%)11091(Top 76%)11091(Top 946%)
20K12.43 mi3.11 mi17305-33710917-11310917-11318231(Top 71%)11369(Top 78%)11369(Top 969%)
Half13.11 mi0.68 mi17341-3610923-610923-618087(Top 71%)11218(Top 77%)11218(Top 956%)
25K15.53 mi2.42 mi17623-28211027-10411027-10418588(Top 73%)11394(Top 78%)11394(Top 971%)
30K18.64 mi3.11 mi18752-112911470-44311470-44321369(Top 84%)12494(Top 86%)12494(Top 1065%)
20M20.00 mi1.36 mi18926-17411526-5611526-5620374(Top 80%)11913(Top 82%)11913(Top 1016%)
21M21.00 mi1.00 mi18995-69115261152619953(Top 78%)11612(Top 80%)11612(Top 990%)
35K21.75 mi0.75 mi19073-7811557-3111557-3120923(Top 82%)12090(Top 83%)12090(Top 1031%)
23M23.00 mi1.25 mi19112-3911551+611551+619875(Top 78%)11500(Top 79%)11500(Top 980%)
24M24.00 mi1.00 mi19144-3211550+111550+119975(Top 78%)11506(Top 79%)11506(Top 981%)
40K24.85 mi0.85 mi19064+8011493+5711493+5717807(Top 70%)10355(Top 71%)10355(Top 883%)
25.2M25.20 mi0.35 mi19033+3111472+2111472+2117315(Top 68%)10084(Top 69%)10084(Top 860%)
Finish26.22 mi1.02 mi18971+6211424+4811424+4817866(Top 70%)10389(Top 71%)10389(Top 886%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

17632

Males

11091

M60-64

11091

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

16917

Males

10801

M60-64

10801

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

17632

Males

11091

M60-64

11091

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18231

Males

11369

M60-64

11369

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18087

Males

11218

M60-64

11218

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

18588

Males

11394

M60-64

11394

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

21369

Males

12494

M60-64

12494

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

20374

Males

11913

M60-64

11913

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

19953

Males

11612

M60-64

11612

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

20923

Males

12090

M60-64

12090

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

19875

Males

11500

M60-64

11500

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

19975

Males

11506

M60-64

11506

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

17807

Males

10355

M60-64

10355

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

17315

Males

10084

M60-64

10084

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

17866

Males

10389

M60-64

10389

Passing Analysis

Category:
Athletes Passed
1254
Passed By
3736
Net Change
-2482
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16489
5K → 10K203411-208#16489#16697
10K → 15K157428-271#16697#16968
15K → 20K168505-337#16968#17305
20K → Half3167-36#17305#17341
Half → 25K120402-282#17341#17623
25K → 30K481177-1129#17623#18752
30K → 20M47221-174#18752#18926
20M → 21M61130-69#18926#18995
21M → 35K34112-78#18995#19073
35K → 23M79118-39#19073#19112
23M → 24M6395-32#19112#19144
24M → 40K10424+80#19144#19064
40K → 25.2M4312+31#19064#19033
25.2M → Finish9634+62#19033#18971
TOTALS12543736-2482
📊

Passing Visuals

Category:
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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