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BOSTON MARATHON 2024

Sam Kim

Bib: 13034•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
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
8:04/mi
25:05
↑ 97↓ 3451.5%
10K· 6.21 mi
8:37/mi
51:52
↑ 79↓ 1380.4%
15K· 9.32 mi
8:33/mi
1:18:26
↑ 67↓ 78
20K· 12.43 mi
9:01/mi
1:46:26
↑ 106↓ 860.1%
Half· 13.11 mi
8:56/mi
1:52:32
↑ 19↓ 370.5%
25K· 15.53 mi
9:17/mi
2:15:02
↑ 66↓ 880.2%
30K· 18.64 mi
10:27/mi
2:47:30
↑ 181↓ 1480.2%
20M
11:58/mi
3:03:46
↑ 64↓ 500.2%
21M
12:14/mi
3:16:00
↑ 106↓ 241.6%
35K· 21.75 mi
11:32/mi
3:24:38
↑ 17↓ 861.7%
23M
12:21/mi
3:40:06
↑ 23↓ 630.6%
24M
13:15/mi
3:53:21
↓ 821.3%
40K· 24.85 mi
11:44/mi
4:03:23
↓ 200.3%
25.2M
12:08/mi
4:07:34
↑ 13↓ 160.2%
Finish· 26.22 mi
10:31/mi
4:18:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:32
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time2:25:45
Pace11:07 /mi
📊Positive Split: 29.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3925:058:0425:05
8:04
-
10K
6.21 mi11:42:2651:528:2126:47
8:37
+0:33
15K
9.32 mi12:09:001:18:268:2526:34
8:33
-0:04
20K
12.43 mi12:37:001:46:268:3428:00
9:01
+0:28
Half
13.11 mi12:43:061:52:328:356:06
8:56
-0:05
25K
15.53 mi13:05:362:15:028:4222:30
9:17
+0:21
30K
18.64 mi13:38:042:47:308:5932:28
10:27
+1:10
20M
20.00 mi13:54:203:03:469:1116:16
11:58
+1:31
21M
21.00 mi14:06:343:16:009:2012:14
12:14
+0:16
35K
21.75 mi14:15:123:24:389:258:38
11:32
-0:42
23M
23.00 mi14:30:403:40:069:3415:28
12:21
+0:49
24M
24.00 mi14:43:553:53:219:4313:15
13:15
+0:54
40K
24.85 mi14:53:574:03:239:4810:02
11:44
-1:31
25.2M
25.20 mi14:58:084:07:349:494:11
12:08
+0:24
Finish
26.22 mi15:08:514:18:179:5110:43
10:31
-1:37

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

8:04 /mi

Average Pace

9:51 /mi

Slowest Pace

13:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:02

52% of race

Time at Steady Pace

43:11

17% of race

Time at Slower Pace

1:20:04

31% of race

Average Pace: 9:51 /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 mi11:15:3925:058:0425:05
8:04
#15191
10K
6.21 mi11:42:2651:528:2126:47
8:37
#16607
15K
9.32 mi12:09:001:18:268:2526:34
8:33
#16586
20K
12.43 mi12:37:001:46:268:3428:00
9:01
#16800
Half
13.11 mi12:43:061:52:328:356:06
8:56
#16853
25K
15.53 mi13:05:362:15:028:4222:30
9:17
#16786
30K
18.64 mi13:38:042:47:308:5932:28
10:27
#17298
20M
20.00 mi13:54:203:03:469:1116:16
11:58
#17840
21M
21.00 mi14:06:343:16:009:2012:14
12:14
#17993
35K
21.75 mi14:15:123:24:389:258:38
11:32
#18148
23M
23.00 mi14:30:403:40:069:3415:28
12:21
#18393
24M
24.00 mi14:43:553:53:219:4313:15
13:15
#18719
40K
24.85 mi14:53:574:03:239:4810:02
11:44
#18749
25.2M
25.20 mi14:58:084:07:349:494:11
12:08
#18741
Finish
26.22 mi15:08:514:18:179:5110:43
10:31
#18769
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi15191101031010316674(Top 65%)10678(Top 73%)10678(Top 552%)
10K6.21 mi3.10 mi16607-141610643-54010643-54017960(Top 70%)11219(Top 77%)11219(Top 580%)
15K9.32 mi3.11 mi16586+2110647-410647-416674(Top 65%)10678(Top 73%)10678(Top 552%)
20K12.43 mi3.11 mi16800-21410716-6910716-6917382(Top 68%)10988(Top 75%)10988(Top 568%)
Half13.11 mi0.68 mi16853-5310731-1510731-1517972(Top 70%)11161(Top 77%)11161(Top 577%)
25K15.53 mi2.42 mi16786+6710681+5010681+5016729(Top 65%)10579(Top 73%)10579(Top 547%)
30K18.64 mi3.11 mi17298-51210831-15010831-15018654(Top 73%)11232(Top 77%)11232(Top 580%)
20M20.00 mi1.36 mi17840-54211029-19811029-19821298(Top 83%)12346(Top 85%)12346(Top 638%)
21M21.00 mi1.00 mi17993-15311070-4111070-4119305(Top 76%)11296(Top 77%)11296(Top 584%)
35K21.75 mi0.75 mi18148-15511131-6111131-6120922(Top 82%)12089(Top 83%)12089(Top 625%)
23M23.00 mi1.25 mi18393-24511217-8611217-8621411(Top 84%)12285(Top 84%)12285(Top 635%)
24M24.00 mi1.00 mi18719-32611348-13111348-13123411(Top 92%)13261(Top 91%)13261(Top 685%)
40K24.85 mi0.85 mi18749-3011339+911339+919865(Top 78%)11391(Top 78%)11391(Top 589%)
25.2M25.20 mi0.35 mi18741+811324+1511324+1517630(Top 69%)10243(Top 70%)10243(Top 529%)
Finish26.22 mi1.02 mi18769-2811311+1311311+1320051(Top 78%)11505(Top 79%)11505(Top 595%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

16674

Males

10678

M50-54

10678

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

17960

Males

11219

M50-54

11219

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

16674

Males

10678

M50-54

10678

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

17382

Males

10988

M50-54

10988

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

17972

Males

11161

M50-54

11161

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

16729

Males

10579

M50-54

10579

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

18654

Males

11232

M50-54

11232

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

21298

Males

12346

M50-54

12346

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

19305

Males

11296

M50-54

11296

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

20922

Males

12089

M50-54

12089

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

21411

Males

12285

M50-54

12285

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

23411

Males

13261

M50-54

13261

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

19865

Males

11391

M50-54

11391

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

17630

Males

10243

M50-54

10243

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20051

Males

11505

M50-54

11505

Passing Analysis

Category:
Athletes Passed
1198
Passed By
4776
Net Change
-3578
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15191
5K → 10K301446-1416#15191#16607
10K → 15K257236+21#16607#16586
15K → 20K189403-214#16586#16800
20K → Half2477-53#16800#16853
Half → 25K252185+67#16853#16786
25K → 30K120632-512#16786#17298
30K → 20M33575-542#17298#17840
20M → 21M55208-153#17840#17993
21M → 35K39194-155#17993#18148
35K → 23M45290-245#18148#18393
23M → 24M20346-326#18393#18719
24M → 40K5181-30#18719#18749
40K → 25.2M3325+8#18749#18741
25.2M → Finish5078-28#18741#18769
TOTALS11984776-3578
📊

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