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BOSTON MARATHON 2024

David King Sing Mak

Bib: 12874•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 46%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 48%
Division (M50-54)
#0 / 1935
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:19
Rank: #10798
Start → 5K
23:19 | 7:30/mi
10K· 6.21 mi
47:50
Rank: #12075 (-1277)
5K → 10K
24:31 | 7:53/mi
15K· 9.32 mi
1:12:30
Rank: #12336 (-261)
10K → 15K
24:40 | 7:56/mi
20K· 12.43 mi
1:37:42
Rank: #12352 (-16)
15K → 20K
25:12 | 8:07/mi
Half· 13.11 mi
1:43:32
Rank: #12571 (-219)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:03:22
Rank: #12278 (+293)
Half → 25K
19:50 | 8:11/mi
30K· 18.64 mi
2:31:06
Rank: #12394 (-116)
25K → 30K
27:44 | 8:56/mi
20M
2:43:17
Rank: #12299 (+95)
30K → 20M
12:11 | 8:58/mi
21M
2:52:45
Rank: #12151 (+148)
20M → 21M
9:28 | 9:28/mi
35K· 21.75 mi
2:59:03
Rank: #12050 (+101)
21M → 35K
6:18 | 8:25/mi
23M
3:10:22
Rank: #11964 (+86)
35K → 23M
11:19 | 9:02/mi
24M
3:19:23
Rank: #11954 (+10)
23M → 24M
9:01 | 9:01/mi
40K· 24.85 mi
3:27:01
Rank: #11856 (+98)
24M → 40K
7:38 | 8:56/mi
25.2M
3:30:29
Rank: #11832 (+24)
40K → 25.2M
3:28 | 10:03/mi
Finish· 26.22 mi
3:39:07
Rank: #11768 (+64)
25.2M → Finish
8:38 | 8:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:32
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:55:35
Pace8:49 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1723:197:3023:19
7:30
-
10K
6.21 mi11:16:4847:507:4224:31
7:53
+0:23
15K
9.32 mi11:41:281:12:307:4724:40
7:56
+0:03
20K
12.43 mi12:06:401:37:427:5225:12
8:07
+0:11
Half
13.11 mi12:12:301:43:327:545:50
8:33
+0:26
25K
15.53 mi12:32:202:03:227:5619:50
8:11
-0:22
30K
18.64 mi13:00:042:31:068:0627:44
8:56
+0:45
20M
20.00 mi13:12:152:43:178:1012:11
8:58
+0:02
21M
21.00 mi13:21:432:52:458:149:28
9:28
+0:30
35K
21.75 mi13:28:012:59:038:146:18
8:25
-1:03
23M
23.00 mi13:39:203:10:228:1711:19
9:02
+0:37
24M
24.00 mi13:48:213:19:238:189:01
9:01
-0:01
40K
24.85 mi13:55:593:27:018:207:38
8:56
-0:05
25.2M
25.20 mi13:59:273:30:298:213:28
10:03
+1:07
Finish
26.22 mi14:08:053:39:078:228:38
8:28
-1:35

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

7:30 /mi

Average Pace

8:22 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:32

54% of race

Time at Steady Pace

20:46

9% of race

Time at Slower Pace

1:20:49

37% of race

Average Pace: 8:21 /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 mi10:52:1723:197:3023:19
7:30
#10798
10K
6.21 mi11:16:4847:507:4224:31
7:53
#12075
15K
9.32 mi11:41:281:12:307:4724:40
7:56
#12336
20K
12.43 mi12:06:401:37:427:5225:12
8:07
#12352
Half
13.11 mi12:12:301:43:327:545:50
8:33
#12571
25K
15.53 mi12:32:202:03:227:5619:50
8:11
#12278
30K
18.64 mi13:00:042:31:068:0627:44
8:56
#12394
20M
20.00 mi13:12:152:43:178:1012:11
8:58
#12299
21M
21.00 mi13:21:432:52:458:149:28
9:28
#12151
35K
21.75 mi13:28:012:59:038:146:18
8:25
#12050
23M
23.00 mi13:39:203:10:228:1711:19
9:02
#11964
24M
24.00 mi13:48:213:19:238:189:01
9:01
#11954
40K
24.85 mi13:55:593:27:018:207:38
8:56
#11856
25.2M
25.20 mi13:59:273:30:298:213:28
10:03
#11832
Finish
26.22 mi14:08:053:39:078:228:38
8:28
#11768
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi107988318831812988(Top 51%)9164(Top 63%)9164(Top 474%)
10K6.21 mi3.10 mi12075-12778837-5198837-51913352(Top 52%)9356(Top 64%)9356(Top 484%)
15K9.32 mi3.11 mi12336-2618927-908927-9012988(Top 51%)9164(Top 63%)9164(Top 474%)
20K12.43 mi3.11 mi12352-168914+138914+1312585(Top 49%)8935(Top 61%)8935(Top 462%)
Half13.11 mi0.68 mi12571-2199005-919005-9115951(Top 62%)10300(Top 71%)10300(Top 532%)
25K15.53 mi2.42 mi12278+2938832+1738832+17311233(Top 44%)8118(Top 56%)8118(Top 420%)
30K18.64 mi3.11 mi12394-1168792+408792+4012860(Top 50%)8625(Top 59%)8625(Top 446%)
20M20.00 mi1.36 mi12299+958705+878705+8711924(Top 47%)7914(Top 54%)7914(Top 409%)
21M21.00 mi1.00 mi12151+1488571+1348571+13410689(Top 42%)7093(Top 49%)7093(Top 367%)
35K21.75 mi0.75 mi12050+1018495+768495+7610252(Top 40%)6869(Top 47%)6869(Top 355%)
23M23.00 mi1.25 mi11964+868385+1108385+11011356(Top 44%)7247(Top 50%)7247(Top 375%)
24M24.00 mi1.00 mi11954+108336+498336+4912234(Top 48%)7667(Top 53%)7667(Top 396%)
40K24.85 mi0.85 mi11856+988242+948242+9410507(Top 41%)6671(Top 46%)6671(Top 345%)
25.2M25.20 mi0.35 mi11832+248212+308212+3011129(Top 44%)6954(Top 48%)6954(Top 359%)
Finish26.22 mi1.02 mi11768+648137+758137+7511341(Top 44%)7172(Top 49%)7172(Top 371%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

12988

Males

9164

M50-54

9164

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13352

Males

9356

M50-54

9356

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

12988

Males

9164

M50-54

9164

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

12585

Males

8935

M50-54

8935

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

15951

Males

10300

M50-54

10300

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

11233

Males

8118

M50-54

8118

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

12860

Males

8625

M50-54

8625

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

11924

Males

7914

M50-54

7914

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

10689

Males

7093

M50-54

7093

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

10252

Males

6869

M50-54

6869

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11356

Males

7247

M50-54

7247

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12234

Males

7667

M50-54

7667

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10507

Males

6671

M50-54

6671

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11129

Males

6954

M50-54

6954

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11341

Males

7172

M50-54

7172

Passing Analysis

Category:
Athletes Passed
2148
Passed By
3118
Net Change
-970
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10798
5K → 10K381315-1277#10798#12075
10K → 15K153414-261#12075#12336
15K → 20K226242-16#12336#12352
20K → Half9228-219#12352#12571
Half → 25K37986+293#12571#12278
25K → 30K254370-116#12278#12394
30K → 20M18287+95#12394#12299
20M → 21M20355+148#12299#12151
21M → 35K12120+101#12151#12050
35K → 23M17993+86#12050#11964
23M → 24M9686+10#11964#11954
24M → 40K14244+98#11954#11856
40K → 25.2M5026+24#11856#11832
25.2M → Finish11652+64#11832#11768
TOTALS21483118-970
📊

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