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BOSTON MARATHON 2024

Seng Wong Lam

Bib: 3522•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 10%
Gender (Male)
#0 / 14578
Top 16%
Masters (Masters Men)
#0 / 9729
Top 7%
Division (M40-44)
#0 / 2009
Top 19%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:48
Rank: #2513
Start → 5K
19:48 | 6:22/mi
10K· 6.21 mi
39:44
Rank: #2491 (+22)
5K → 10K
19:56 | 6:25/mi
15K· 9.32 mi
59:31
Rank: #2331 (+160)
10K → 15K
19:47 | 6:22/mi
20K· 12.43 mi
1:19:39
Rank: #2208 (+123)
15K → 20K
20:08 | 6:29/mi
Half· 13.11 mi
1:24:05
Rank: #2223 (-15)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:40:29
Rank: #2291 (-68)
Half → 25K
16:24 | 6:46/mi
30K· 18.64 mi
2:04:02
Rank: #2794 (-503)
25K → 30K
23:33 | 7:35/mi
20M
2:14:11
Rank: #2902 (-108)
30K → 20M
10:09 | 7:28/mi
21M
2:22:32
Rank: #3044 (-142)
20M → 21M
8:21 | 8:21/mi
35K· 21.75 mi
2:27:39
Rank: #2994 (+50)
21M → 35K
5:07 | 6:50/mi
23M
2:36:09
Rank: #2789 (+205)
35K → 23M
8:30 | 6:47/mi
24M
2:42:59
Rank: #2687 (+102)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:49:01
Rank: #2621 (+66)
24M → 40K
6:02 | 7:03/mi
25.2M
2:51:42
Rank: #2592 (+29)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
2:58:29
Rank: #2527 (+65)
25.2M → Finish
6:47 | 6:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:05
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time1:34:24
Pace7:12 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0419:486:2219:48
6:22
-
10K
6.21 mi10:42:0039:446:2419:56
6:25
+0:03
15K
9.32 mi11:01:4759:316:2319:47
6:22
-0:03
20K
12.43 mi11:21:551:19:396:2520:08
6:29
+0:07
Half
13.11 mi11:26:211:24:056:254:26
6:30
+0:01
25K
15.53 mi11:42:451:40:296:2816:24
6:46
+0:16
30K
18.64 mi12:06:182:04:026:3923:33
7:35
+0:49
20M
20.00 mi12:16:272:14:116:4310:09
7:28
-0:07
21M
21.00 mi12:24:482:22:326:478:21
8:21
+0:53
35K
21.75 mi12:29:552:27:396:475:07
6:50
-1:31
23M
23.00 mi12:38:252:36:096:478:30
6:47
-0:03
24M
24.00 mi12:45:152:42:596:476:50
6:50
+0:03
40K
24.85 mi12:51:172:49:016:486:02
7:03
+0:13
25.2M
25.20 mi12:53:582:51:426:492:41
7:47
+0:44
Finish
26.22 mi13:00:452:58:296:496:47
6:39
-1:08

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

6:22 /mi

Average Pace

6:49 /mi

Slowest Pace

8:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:39

45% of race

Time at Steady Pace

54:06

30% of race

Time at Slower Pace

44:44

25% of race

Average Pace: 6:48 /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 mi10:22:0419:486:2219:48
6:22
#2513
10K
6.21 mi10:42:0039:446:2419:56
6:25
#2491
15K
9.32 mi11:01:4759:316:2319:47
6:22
#2331
20K
12.43 mi11:21:551:19:396:2520:08
6:29
#2208
Half
13.11 mi11:26:211:24:056:254:26
6:30
#2223
25K
15.53 mi11:42:451:40:296:2816:24
6:46
#2291
30K
18.64 mi12:06:182:04:026:3923:33
7:35
#2794
20M
20.00 mi12:16:272:14:116:4310:09
7:28
#2902
21M
21.00 mi12:24:482:22:326:478:21
8:21
#3044
35K
21.75 mi12:29:552:27:396:475:07
6:50
#2994
23M
23.00 mi12:38:252:36:096:478:30
6:47
#2789
24M
24.00 mi12:45:152:42:596:476:50
6:50
#2687
40K
24.85 mi12:51:172:49:016:486:02
7:03
#2621
25.2M
25.20 mi12:53:582:51:426:492:41
7:47
#2592
Finish
26.22 mi13:00:452:58:296:496:47
6:39
#2527
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2513241924192025(Top 8%)1959(Top 13%)1959(Top 98%)
10K6.21 mi3.10 mi2491+222395+242395+242503(Top 10%)2406(Top 17%)2406(Top 120%)
15K9.32 mi3.11 mi2331+1602248+1472248+1472025(Top 8%)1959(Top 13%)1959(Top 98%)
20K12.43 mi3.11 mi2208+1232132+1162132+1162070(Top 8%)1999(Top 14%)1999(Top 100%)
Half13.11 mi0.68 mi2223-152146-142146-142602(Top 10%)2487(Top 17%)2487(Top 124%)
25K15.53 mi2.42 mi2291-682207-612207-612969(Top 12%)2800(Top 19%)2800(Top 139%)
30K18.64 mi3.11 mi2794-5032656-4492656-4495500(Top 22%)4672(Top 32%)4672(Top 233%)
20M20.00 mi1.36 mi2902-1082749-932749-934178(Top 16%)3677(Top 25%)3677(Top 183%)
21M21.00 mi1.00 mi3044-1422874-1252874-1255510(Top 22%)4407(Top 30%)4407(Top 219%)
35K21.75 mi0.75 mi2994+502823+512823+512427(Top 9%)2215(Top 15%)2215(Top 110%)
23M23.00 mi1.25 mi2789+2052628+1952628+1951280(Top 5%)1208(Top 8%)1208(Top 60%)
24M24.00 mi1.00 mi2687+1022534+942534+941795(Top 7%)1643(Top 11%)1643(Top 82%)
40K24.85 mi0.85 mi2621+662471+632471+632015(Top 8%)1803(Top 12%)1803(Top 90%)
25.2M25.20 mi0.35 mi2592+292440+312440+312120(Top 8%)1865(Top 13%)1865(Top 93%)
Finish26.22 mi1.02 mi2527+652372+682372+681856(Top 7%)1636(Top 11%)1636(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2025

Males

1959

M40-44

1959

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2503

Males

2406

M40-44

2406

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2025

Males

1959

M40-44

1959

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2070

Males

1999

M40-44

1999

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2602

Males

2487

M40-44

2487

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

2969

Males

2800

M40-44

2800

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5500

Males

4672

M40-44

4672

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4178

Males

3677

M40-44

3677

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5510

Males

4407

M40-44

4407

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2427

Males

2215

M40-44

2215

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1280

Males

1208

M40-44

1208

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1795

Males

1643

M40-44

1643

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2015

Males

1803

M40-44

1803

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2120

Males

1865

M40-44

1865

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1856

Males

1636

M40-44

1636

Passing Analysis

Category:
Athletes Passed
1239
Passed By
1253
Net Change
-14
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2513
5K → 10K134112+22#2513#2491
10K → 15K18323+160#2491#2331
15K → 20K14825+123#2331#2208
20K → Half1126-15#2208#2223
Half → 25K61129-68#2223#2291
25K → 30K40543-503#2291#2794
30K → 20M43151-108#2794#2902
20M → 21M43185-142#2902#3044
21M → 35K6313+50#3044#2994
35K → 23M2050+205#2994#2789
23M → 24M11614+102#2789#2687
24M → 40K8216+66#2687#2621
40K → 25.2M356+29#2621#2592
25.2M → Finish7510+65#2592#2527
TOTALS12391253-14
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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