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BOSTON MARATHON 2024

Kwan Long Lau

Bib: 1553 M HK

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 11%
Gender (Male)
#0 / 14578
Top 18%
Division (M18-39)
#0 / 4849
Top 39%
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
6:06/mi
18:57
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:22/mi
38:45
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:24/mi
58:38
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:37/mi
1:19:12
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:37/mi
1:23:43
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:01/mi
1:40:44
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:35/mi
2:04:18
↑ 181↓ 1480.2%
138 ft elev
20M
7:19/mi
2:14:15
↑ 64↓ 500.2%
148 ft elev
21M
8:04/mi
2:22:19
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:10/mi
2:27:41
↑ 17↓ 861.7%
156 ft elev
23M
7:26/mi
2:36:59
↑ 23↓ 630.6%
116 ft elev
24M
7:15/mi
2:44:14
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:09/mi
2:50:21
↓ 200.3%
20 ft elev
25.2M
8:16/mi
2:53:12
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:31/mi
2:59:50
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:43
Pace6:23 /mi
2nd Half
Distance13.11 mi
Time1:36:07
Pace7:20 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1318:576:0618:57
6:06
-
10K
6.21 mi10:39:0138:456:1419:48
6:22
+0:16
15K
9.32 mi10:58:5458:386:1719:53
6:24
+0:02
20K
12.43 mi11:19:281:19:126:2220:34
6:37
+0:13
Half
13.11 mi11:23:591:23:436:234:31
6:37
0:00
25K
15.53 mi11:41:001:40:446:2917:01
7:01
+0:24
30K
18.64 mi12:04:342:04:186:4023:34
7:35
+0:34
20M
20.00 mi12:14:312:14:156:439:57
7:19
-0:16
21M
21.00 mi12:22:352:22:196:478:04
8:04
+0:45
35K
21.75 mi12:27:572:27:416:475:22
7:10
-0:54
23M
23.00 mi12:37:152:36:596:509:18
7:26
+0:16
24M
24.00 mi12:44:302:44:146:517:15
7:15
-0:11
40K
24.85 mi12:50:372:50:216:516:07
7:09
-0:06
25.2M
25.20 mi12:53:282:53:126:522:51
8:16
+1:07
Finish
26.22 mi13:00:062:59:506:526:38
6:31
-1:45

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

6:06 /mi

Average Pace

6:52 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:21

50% of race

Time at Steady Pace

55:00

31% of race

Time at Slower Pace

34:29

19% of race

Average Pace: 6:52 /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 mi10:19:1318:576:0618:57
6:06
#1246
10K
6.21 mi10:39:0138:456:1419:48
6:22
#1692
15K
9.32 mi10:58:5458:386:1719:53
6:24
#1834
20K
12.43 mi11:19:281:19:126:2220:34
6:37
#2045
Half
13.11 mi11:23:591:23:436:234:31
6:37
#2091
25K
15.53 mi11:41:001:40:446:2917:01
7:01
#2381
30K
18.64 mi12:04:342:04:186:4023:34
7:35
#2875
20M
20.00 mi12:14:312:14:156:439:57
7:19
#2923
21M
21.00 mi12:22:352:22:196:478:04
8:04
#2982
35K
21.75 mi12:27:572:27:416:475:22
7:10
#3002
23M
23.00 mi12:37:152:36:596:509:18
7:26
#2996
24M
24.00 mi12:44:302:44:146:517:15
7:15
#3006
40K
24.85 mi12:50:372:50:216:516:07
7:09
#2931
25.2M
25.20 mi12:53:282:53:126:522:51
8:16
#2944
Finish
26.22 mi13:00:062:59:506:526:38
6:31
#2857
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1246120512052173(Top 9%)2097(Top 14%)2097(Top 43%)
10K6.21 mi3.10 mi1692-4461635-4301635-4302282(Top 9%)2200(Top 15%)2200(Top 45%)
15K9.32 mi3.11 mi1834-1421775-1401775-1402173(Top 9%)2097(Top 14%)2097(Top 43%)
20K12.43 mi3.11 mi2045-2111977-2021977-2022736(Top 11%)2613(Top 18%)2613(Top 54%)
Half13.11 mi0.68 mi2091-462020-432020-433275(Top 13%)3109(Top 21%)3109(Top 64%)
25K15.53 mi2.42 mi2381-2902284-2642284-2644419(Top 17%)4038(Top 28%)4038(Top 83%)
30K18.64 mi3.11 mi2875-4942732-4482732-4485530(Top 22%)4694(Top 32%)4694(Top 97%)
20M20.00 mi1.36 mi2923-482770-382770-383624(Top 14%)3271(Top 22%)3271(Top 67%)
21M21.00 mi1.00 mi2982-592820-502820-504387(Top 17%)3697(Top 25%)3697(Top 76%)
35K21.75 mi0.75 mi3002-202831-112831-113672(Top 14%)3217(Top 22%)3217(Top 66%)
23M23.00 mi1.25 mi2996+62817+142817+143353(Top 13%)2930(Top 20%)2930(Top 60%)
24M24.00 mi1.00 mi3006-102819-22819-23160(Top 12%)2740(Top 19%)2740(Top 57%)
40K24.85 mi0.85 mi2931+752739+802739+802338(Top 9%)2061(Top 14%)2061(Top 43%)
25.2M25.20 mi0.35 mi2944-132751-122751-123549(Top 14%)2880(Top 20%)2880(Top 59%)
Finish26.22 mi1.02 mi2857+872666+852666+851439(Top 6%)1298(Top 9%)1298(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2173

Males

2097

M18-39

2097

5K→10K

3.1 - 6.2 mi

Top 9%
×5story building
+79ft-138ft

Overall

2282

Males

2200

M18-39

2200

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2173

Males

2097

M18-39

2097

15K→20K

9.3 - 12.4 mi

Top 11%
×5story building
+106ft-86ft

Overall

2736

Males

2613

M18-39

2613

20K→Half

12.4 - 13.1 mi

Top 13%
×2story building
+19ft-37ft

Overall

3275

Males

3109

M18-39

3109

Half→25K

13.1 - 15.5 mi

Top 17%
×4story building
+66ft-88ft

Overall

4419

Males

4038

M18-39

4038

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

5530

Males

4694

M18-39

4694

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

3624

Males

3271

M18-39

3271

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4387

Males

3697

M18-39

3697

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3672

Males

3217

M18-39

3217

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3353

Males

2930

M18-39

2930

23M→24M

23.0 - 24.0 mi

Top 12%
×6story building
+12ft-82ft

Overall

3160

Males

2740

M18-39

2740

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2338

Males

2061

M18-39

2061

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3549

Males

2880

M18-39

2880

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2story building
+22ft-21ft

Overall

1439

Males

1298

M18-39

1298

Passing Analysis

Category:
Athletes Passed
625
Passed By
2236
Net Change
-1611
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1246
5K → 10K6452-446#1246#1692
10K → 15K31173-142#1692#1834
15K → 20K37248-211#1834#2045
20K → Half147-46#2045#2091
Half → 25K28318-290#2091#2381
25K → 30K38532-494#2381#2875
30K → 20M66114-48#2875#2923
20M → 21M51110-59#2923#2982
21M → 35K4060-20#2982#3002
35K → 23M8074+6#3002#2996
23M → 24M4454-10#2996#3006
24M → 40K8813+75#3006#2931
40K → 25.2M2235-13#2931#2944
25.2M → Finish936+87#2944#2857
TOTALS6252236-1611
📊

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