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BOSTON MARATHON 2024

Sai Lok Edmond Shek

Bib: 9423 M HK

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 43%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 45%
Division (M45-49)
#0 / 2218
Race Day Weather
55°/45°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:54/mi
21:27
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:53/mi
42:51
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:55/mi
1:04:20
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:16/mi
1:26:56
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:29/mi
1:32:02
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:58/mi
1:51:21
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:30/mi
2:17:46
↑ 181↓ 1480.2%
138 ft elev
20M
9:11/mi
2:30:15
↑ 64↓ 500.2%
148 ft elev
21M
10:21/mi
2:40:36
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:50/mi
2:48:42
↑ 17↓ 861.7%
156 ft elev
23M
11:00/mi
3:02:28
↑ 23↓ 630.6%
116 ft elev
24M
11:27/mi
3:13:55
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:04/mi
3:23:23
↓ 200.3%
20 ft elev
25.2M
10:35/mi
3:27:02
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:49/mi
3:36:01
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:32:027:01 /mi⚡ faster
2nd Half
2:03:599:27 /mi+34.7%
Positive split — 34.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
21:276:543.11 mi21:27
6:54
-
10K
42:516:543.10 mi21:24
6:53
-0:01
15K
1:04:206:543.11 mi21:29
6:55
+0:02
20K
1:26:567:003.11 mi22:36
7:16
+0:21
Half(13.11 mi)
1:32:027:010.68 mi5:06
7:29
+0:13
25K
1:51:217:102.42 mi19:19
7:58
+0:29
30K
2:17:467:233.11 mi26:25
8:30
+0:32
20M
2:30:157:311.36 mi12:29
9:11
+0:41
21M
2:40:367:391.00 mi10:21
10:21
+1:10
35K
2:48:427:450.75 mi8:06
10:50
+0:29
23M
3:02:287:561.25 mi13:46
11:00
+0:10
24M
3:13:558:051.00 mi11:27
11:27
+0:27
40K
3:23:238:110.85 mi9:28
11:04
-0:23
25.2M
3:27:028:130.35 mi3:39
10:35
-0:29
Finish(26.22 mi)
3:36:018:151.02 mi8:59
8:49
-1:46
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:53 /mi

Average Pace

8:15 /mi

Slowest Pace

11:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:51:21

52% of race

Time at Steady Pace

47:53

22% of race

Time at Slower Pace

56:47

26% of race

Average Pace: 8:14 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi639957355735567751505150
10K3.10 mi6137+2625535+2005535+200590753435343
15K3.11 mi5959+1785393+1425393+142567751505150
20K3.11 mi6145-1865500-1075500-107682458785878
Half(13.11 mi)0.68 mi6268-1235581-815581-81891271297129
25K2.42 mi6741-4735877-2965877-296997274817481
30K3.11 mi7382-6416244-3676244-3671066576147614
20M1.36 mi7845-4636454-2106454-2101303884098409
21M1.00 mi8233-3886623-1696623-1691429387968796
35K0.75 mi8793-5606895-2726895-272193831131511315
23M1.25 mi9655-8627276-3817276-381183951075010750
24M1.00 mi10427-7727612-3367612-336203021167111671
40K0.85 mi10886-4597792-1807792-180182551058910589
25.2M0.35 mi10932-467785+77785+71305679077907
Finish(26.22 mi)1.02 mi10998-667777+87777+81322381068106

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21story building
+97ft-345ft

Overall

5677

Males

5150

M45-49

5150

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

5907

Males

5343

M45-49

5343

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+67ft-78ft

Overall

5677

Males

5150

M45-49

5150

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

6824

Males

5878

M45-49

5878

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

8912

Males

7129

M45-49

7129

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

9972

Males

7481

M45-49

7481

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

10665

Males

7614

M45-49

7614

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

13038

Males

8409

M45-49

8409

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14293

Males

8796

M45-49

8796

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

19383

Males

11315

M45-49

11315

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

18395

Males

10750

M45-49

10750

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

20302

Males

11671

M45-49

11671

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18255

Males

10589

M45-49

10589

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13056

Males

7907

M45-49

7907

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

13223

Males

8106

M45-49

8106

Passing Analysis

Category:
Passed
1085
Passed By
5682
Net Change
-4599
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6399
5K → 10K33674+262#6399#6137
10K → 15K24163+178#6137#5959
15K → 20K102288-186#5959#6145
20K → Half9132-123#6145#6268
Half → 25K54527-473#6268#6741
25K → 30K78719-641#6741#7382
30K → 20M37500-463#7382#7845
20M → 21M49437-388#7845#8233
21M → 35K16576-560#8233#8793
35K → 23M31892-862#8793#9655
23M → 24M17788-772#9655#10427
24M → 40K22481-459#10427#10886
40K → 25.2M3884-46#10886#10932
25.2M → Finish55121-66#10932#10998
TOTALS10855682-4599

Passing Charts

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