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BOSTON MARATHON 2024

Jong Chan Kim

Bib: 19405•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
Top 49%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:03
Rank: #17131
Start → 5K
26:03 | 8:23/mi
10K· 6.21 mi
52:11
Rank: #16901 (+230)
5K → 10K
26:08 | 8:25/mi
15K· 9.32 mi
1:18:42
Rank: #16755 (+146)
10K → 15K
26:31 | 8:32/mi
20K· 12.43 mi
1:46:03
Rank: #16607 (+148)
15K → 20K
27:21 | 8:48/mi
Half· 13.11 mi
1:52:05
Rank: #16664 (-57)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:13:56
Rank: #16405 (+259)
Half → 25K
21:51 | 9:01/mi
30K· 18.64 mi
2:44:08
Rank: #16426 (-21)
25K → 30K
30:12 | 9:43/mi
20M
2:57:40
Rank: #16418 (+8)
30K → 20M
13:32 | 9:58/mi
21M
3:09:30
Rank: #16650 (-232)
20M → 21M
11:50 | 11:50/mi
35K· 21.75 mi
3:17:33
Rank: #16788 (-138)
21M → 35K
8:03 | 10:46/mi
23M
3:31:52
Rank: #17068 (-280)
35K → 23M
14:19 | 11:26/mi
24M
3:41:33
Rank: #16983 (+85)
23M → 24M
9:41 | 9:41/mi
40K· 24.85 mi
3:49:34
Rank: #16776 (+207)
24M → 40K
8:01 | 9:23/mi
25.2M
3:53:11
Rank: #16701 (+75)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
4:02:45
Rank: #16653 (+48)
25.2M → Finish
9:34 | 9:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:05
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:10:40
Pace9:58 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2026:038:2326:03
8:23
-
10K
6.21 mi11:45:2852:118:2426:08
8:25
+0:02
15K
9.32 mi12:11:591:18:428:2726:31
8:32
+0:07
20K
12.43 mi12:39:201:46:038:3227:21
8:48
+0:16
Half
13.11 mi12:45:221:52:058:336:02
8:51
+0:03
25K
15.53 mi13:07:132:13:568:3721:51
9:01
+0:10
30K
18.64 mi13:37:252:44:088:4830:12
9:43
+0:42
20M
20.00 mi13:50:572:57:408:5313:32
9:58
+0:15
21M
21.00 mi14:02:473:09:309:0111:50
11:50
+1:52
35K
21.75 mi14:10:503:17:339:058:03
10:46
-1:04
23M
23.00 mi14:25:093:31:529:1314:19
11:26
+0:40
24M
24.00 mi14:34:503:41:339:149:41
9:41
-1:45
40K
24.85 mi14:42:513:49:349:148:01
9:23
-0:18
25.2M
25.20 mi14:46:283:53:119:153:37
10:29
+1:06
Finish
26.22 mi14:56:024:02:459:169:34
9:23
-1:06

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

8:23 /mi

Average Pace

9:16 /mi

Slowest Pace

11:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:05

46% of race

Time at Steady Pace

1:19:19

33% of race

Time at Slower Pace

51:21

21% of race

Average Pace: 9:15 /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 mi11:19:2026:038:2326:03
8:23
#17131
10K
6.21 mi11:45:2852:118:2426:08
8:25
#16901
15K
9.32 mi12:11:591:18:428:2726:31
8:32
#16755
20K
12.43 mi12:39:201:46:038:3227:21
8:48
#16607
Half
13.11 mi12:45:221:52:058:336:02
8:51
#16664
25K
15.53 mi13:07:132:13:568:3721:51
9:01
#16405
30K
18.64 mi13:37:252:44:088:4830:12
9:43
#16426
20M
20.00 mi13:50:572:57:408:5313:32
9:58
#16418
21M
21.00 mi14:02:473:09:309:0111:50
11:50
#16650
35K
21.75 mi14:10:503:17:339:058:03
10:46
#16788
23M
23.00 mi14:25:093:31:529:1314:19
11:26
#17068
24M
24.00 mi14:34:503:41:339:149:41
9:41
#16983
40K
24.85 mi14:42:513:49:349:148:01
9:23
#16776
25.2M
25.20 mi14:46:283:53:119:153:37
10:29
#16701
Finish
26.22 mi14:56:024:02:459:169:34
9:23
#16653
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17131108471084716586(Top 65%)10639(Top 73%)10639(Top 907%)
10K6.21 mi3.10 mi16901+23010776+7110776+7116752(Top 66%)10729(Top 74%)10729(Top 915%)
15K9.32 mi3.11 mi16755+14610717+5910717+5916586(Top 65%)10639(Top 73%)10639(Top 907%)
20K12.43 mi3.11 mi16607+14810638+7910638+7916393(Top 64%)10539(Top 72%)10539(Top 898%)
Half13.11 mi0.68 mi16664-5710661-2310661-2317506(Top 69%)10946(Top 75%)10946(Top 933%)
25K15.53 mi2.42 mi16405+25910527+13410527+13415553(Top 61%)10043(Top 69%)10043(Top 856%)
30K18.64 mi3.11 mi16426-2110463+6410463+6416319(Top 64%)10153(Top 70%)10153(Top 866%)
20M20.00 mi1.36 mi16418+810422+4110422+4116316(Top 64%)9913(Top 68%)9913(Top 845%)
21M21.00 mi1.00 mi16650-23210492-7010492-7018422(Top 72%)10837(Top 74%)10837(Top 924%)
35K21.75 mi0.75 mi16788-13810529-3710529-3719227(Top 75%)11234(Top 77%)11234(Top 958%)
23M23.00 mi1.25 mi17068-28010618-8910618-8919475(Top 76%)11301(Top 78%)11301(Top 963%)
24M24.00 mi1.00 mi16983+8510556+6210556+6215201(Top 59%)9119(Top 63%)9119(Top 777%)
40K24.85 mi0.85 mi16776+20710436+12010436+12012597(Top 49%)7740(Top 53%)7740(Top 660%)
25.2M25.20 mi0.35 mi16701+7510389+4710389+4712759(Top 50%)7762(Top 53%)7762(Top 662%)
Finish26.22 mi1.02 mi16653+4810337+5210337+5216012(Top 63%)9462(Top 65%)9462(Top 807%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

16586

Males

10639

M60-64

10639

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

16752

Males

10729

M60-64

10729

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

16586

Males

10639

M60-64

10639

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

16393

Males

10539

M60-64

10539

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

17506

Males

10946

M60-64

10946

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

15553

Males

10043

M60-64

10043

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

16319

Males

10153

M60-64

10153

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

16316

Males

9913

M60-64

9913

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

18422

Males

10837

M60-64

10837

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

19227

Males

11234

M60-64

11234

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

19475

Males

11301

M60-64

11301

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15201

Males

9119

M60-64

9119

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12597

Males

7740

M60-64

7740

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

12759

Males

7762

M60-64

7762

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16012

Males

9462

M60-64

9462

Passing Analysis

Category:
Athletes Passed
2380
Passed By
1902
Net Change
+478
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17131
5K → 10K402172+230#17131#16901
10K → 15K292146+146#16901#16755
15K → 20K326178+148#16755#16607
20K → Half2380-57#16607#16664
Half → 25K34485+259#16664#16405
25K → 30K229250-21#16405#16426
30K → 20M130122+8#16426#16418
20M → 21M43275-232#16418#16650
21M → 35K36174-138#16650#16788
35K → 23M44324-280#16788#17068
23M → 24M11227+85#17068#16983
24M → 40K2169+207#16983#16776
40K → 25.2M805+75#16776#16701
25.2M → Finish10355+48#16701#16653
TOTALS23801902+478
📊

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