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BOSTON MARATHON 2024

Laurence Chau

Bib: 17008•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M55-59)
#0 / 1529
Top 44%
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
7:52/mi
24:26
↑ 97↓ 3451.5%
10K· 6.21 mi
7:55/mi
49:02
↑ 79↓ 1380.4%
15K· 9.32 mi
7:55/mi
1:13:39
↑ 67↓ 78
20K· 12.43 mi
7:59/mi
1:38:26
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:43:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:04/mi
2:03:23
↑ 66↓ 880.2%
30K· 18.64 mi
8:48/mi
2:30:42
↑ 181↓ 1480.2%
20M
9:33/mi
2:43:41
↑ 64↓ 500.2%
21M
9:45/mi
2:53:26
↑ 106↓ 241.6%
35K· 21.75 mi
8:59/mi
3:00:09
↑ 17↓ 861.7%
23M
9:46/mi
3:12:23
↑ 23↓ 630.6%
24M
9:31/mi
3:21:54
↓ 821.3%
40K· 24.85 mi
9:55/mi
3:30:23
↓ 200.3%
25.2M
10:44/mi
3:34:05
↑ 13↓ 160.2%
Finish· 26.22 mi
9:22/mi
3:43:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:50
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:59:48
Pace9:08 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1524:267:5224:26
7:52
-
10K
6.21 mi11:39:5149:027:5324:36
7:55
+0:03
15K
9.32 mi12:04:281:13:397:5424:37
7:55
0:00
20K
12.43 mi12:29:151:38:267:5524:47
7:59
+0:04
Half
13.11 mi12:34:391:43:507:555:24
7:55
-0:04
25K
15.53 mi12:54:122:03:237:5719:33
8:04
+0:09
30K
18.64 mi13:21:312:30:428:0527:19
8:48
+0:44
20M
20.00 mi13:34:302:43:418:1112:59
9:33
+0:45
21M
21.00 mi13:44:152:53:268:169:45
9:45
+0:12
35K
21.75 mi13:50:583:00:098:176:43
8:59
-0:46
23M
23.00 mi14:03:123:12:238:2212:14
9:46
+0:47
24M
24.00 mi14:12:433:21:548:259:31
9:31
-0:15
40K
24.85 mi14:21:123:30:238:288:29
9:55
+0:24
25.2M
25.20 mi14:24:543:34:058:303:42
10:44
+0:49
Finish
26.22 mi14:34:273:43:388:329:33
9:22
-1:22

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

7:52 /mi

Average Pace

8:32 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:23

55% of race

Time at Steady Pace

43:35

19% of race

Time at Slower Pace

56:40

25% of race

Average Pace: 8:32 /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 mi11:15:1524:267:5224:26
7:52
#13580
10K
6.21 mi11:39:5149:027:5324:36
7:55
#13570
15K
9.32 mi12:04:281:13:397:5424:37
7:55
#13316
20K
12.43 mi12:29:151:38:267:5524:47
7:59
#12789
Half
13.11 mi12:34:391:43:507:555:24
7:55
#12751
25K
15.53 mi12:54:122:03:237:5719:33
8:04
#12289
30K
18.64 mi13:21:312:30:428:0527:19
8:48
#12247
20M
20.00 mi13:34:302:43:418:1112:59
9:33
#12424
21M
21.00 mi13:44:152:53:268:169:45
9:45
#12350
35K
21.75 mi13:50:583:00:098:176:43
8:59
#12372
23M
23.00 mi14:03:123:12:238:2212:14
9:46
#12494
24M
24.00 mi14:12:433:21:548:259:31
9:31
#12577
40K
24.85 mi14:21:123:30:238:288:29
9:55
#12669
25.2M
25.20 mi14:24:543:34:058:303:42
10:44
#12685
Finish
26.22 mi14:34:273:43:388:329:33
9:22
#12823
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi135809500950012855(Top 50%)9109(Top 62%)9109(Top 596%)
10K6.21 mi3.10 mi13570+109463+379463+3713564(Top 53%)9448(Top 65%)9448(Top 618%)
15K9.32 mi3.11 mi13316+2549352+1119352+11112855(Top 50%)9109(Top 62%)9109(Top 596%)
20K12.43 mi3.11 mi12789+5279113+2399113+23911660(Top 46%)8489(Top 58%)8489(Top 555%)
Half13.11 mi0.68 mi12751+389081+329081+3212111(Top 47%)8698(Top 60%)8698(Top 569%)
25K15.53 mi2.42 mi12289+4628839+2428839+24210594(Top 41%)7800(Top 54%)7800(Top 510%)
30K18.64 mi3.11 mi12247+428737+1028737+10212148(Top 48%)8317(Top 57%)8317(Top 544%)
20M20.00 mi1.36 mi12424-1778758-218758-2114741(Top 58%)9188(Top 63%)9188(Top 601%)
21M21.00 mi1.00 mi12350+748660+988660+9811905(Top 47%)7670(Top 53%)7670(Top 502%)
35K21.75 mi0.75 mi12372-228623+378623+3713178(Top 52%)8247(Top 57%)8247(Top 539%)
23M23.00 mi1.25 mi12494-1228627-48627-414615(Top 57%)8857(Top 61%)8857(Top 579%)
24M24.00 mi1.00 mi12577-838615+128615+1214512(Top 57%)8766(Top 60%)8766(Top 573%)
40K24.85 mi0.85 mi12669-928598+178598+1714710(Top 58%)8800(Top 60%)8800(Top 576%)
25.2M25.20 mi0.35 mi12685-168588+108588+1013566(Top 53%)8189(Top 56%)8189(Top 536%)
Finish26.22 mi1.02 mi12823-1388613-258613-2515919(Top 62%)9409(Top 65%)9409(Top 615%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

12855

Males

9109

M55-59

9109

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

13564

Males

9448

M55-59

9448

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

12855

Males

9109

M55-59

9109

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

11660

Males

8489

M55-59

8489

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12111

Males

8698

M55-59

8698

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10594

Males

7800

M55-59

7800

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12148

Males

8317

M55-59

8317

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

14741

Males

9188

M55-59

9188

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

11905

Males

7670

M55-59

7670

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13178

Males

8247

M55-59

8247

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

14615

Males

8857

M55-59

8857

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

14512

Males

8766

M55-59

8766

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

14710

Males

8800

M55-59

8800

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

13566

Males

8189

M55-59

8189

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

15919

Males

9409

M55-59

9409

Passing Analysis

Category:
Athletes Passed
2747
Passed By
1990
Net Change
+757
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13580
5K → 10K305295+10#13580#13570
10K → 15K357103+254#13570#13316
15K → 20K56942+527#13316#12789
20K → Half6123+38#12789#12751
Half → 25K49129+462#12751#12289
25K → 30K322280+42#12289#12247
30K → 20M93270-177#12247#12424
20M → 21M16086+74#12424#12350
21M → 35K6991-22#12350#12372
35K → 23M91213-122#12372#12494
23M → 24M69152-83#12494#12577
24M → 40K75167-92#12577#12669
40K → 25.2M3854-16#12669#12685
25.2M → Finish47185-138#12685#12823
TOTALS27471990+757
📊

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