Boston Marathon logo
BOSTON MARATHON 2024

Kam Law

Bib: 14168•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 42%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 44%
Division (M55-59)
#0 / 1529
Top 32%
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
7:45/mi
24:06
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
47:28
↑ 79↓ 1380.4%
15K· 9.32 mi
7:24/mi
1:10:28
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:33:58
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:39:07
↑ 19↓ 370.5%
25K· 15.53 mi
7:37/mi
1:57:35
↑ 66↓ 880.2%
30K· 18.64 mi
8:14/mi
2:23:10
↑ 181↓ 1480.2%
20M
8:29/mi
2:34:42
↑ 64↓ 500.2%
21M
10:22/mi
2:45:04
↑ 106↓ 241.6%
35K· 21.75 mi
9:45/mi
2:52:22
↑ 17↓ 861.7%
23M
10:10/mi
3:05:06
↑ 23↓ 630.6%
24M
9:02/mi
3:14:08
↓ 821.3%
40K· 24.85 mi
9:28/mi
3:22:14
↓ 200.3%
25.2M
11:19/mi
3:26:08
↑ 13↓ 160.2%
Finish· 26.22 mi
8:37/mi
3:34:55
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:07
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:55:48
Pace8:50 /mi
📊Positive Split: 16.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1324:067:4524:06
7:45
-
10K
6.21 mi11:18:3547:287:3823:22
7:31
-0:14
15K
9.32 mi11:41:351:10:287:3423:00
7:24
-0:07
20K
12.43 mi12:05:051:33:587:3423:30
7:34
+0:10
Half
13.11 mi12:10:141:39:077:345:09
7:33
-0:01
25K
15.53 mi12:28:421:57:357:3418:28
7:37
+0:04
30K
18.64 mi12:54:172:23:107:4125:35
8:14
+0:37
20M
20.00 mi13:05:492:34:427:4411:32
8:29
+0:15
21M
21.00 mi13:16:112:45:047:5210:22
10:22
+1:53
35K
21.75 mi13:23:292:52:227:567:18
9:45
-0:37
23M
23.00 mi13:36:133:05:068:0312:44
10:10
+0:25
24M
24.00 mi13:45:153:14:088:059:02
9:02
-1:08
40K
24.85 mi13:53:213:22:148:088:06
9:28
+0:26
25.2M
25.20 mi13:57:153:26:088:113:54
11:19
+1:51
Finish
26.22 mi14:06:023:34:558:128:47
8:37
-2:42

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

7:24 /mi

Average Pace

8:12 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:35

55% of race

Time at Steady Pace

54:56

26% of race

Time at Slower Pace

42:24

20% of race

Average Pace: 8:12 /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 mi10:55:1324:067:4524:06
7:45
#12764
10K
6.21 mi11:18:3547:287:3823:22
7:31
#11562
15K
9.32 mi11:41:351:10:287:3423:00
7:24
#10648
20K
12.43 mi12:05:051:33:587:3423:30
7:34
#10103
Half
13.11 mi12:10:141:39:077:345:09
7:33
#10076
25K
15.53 mi12:28:421:57:357:3418:28
7:37
#9583
30K
18.64 mi12:54:172:23:107:4125:35
8:14
#9397
20M
20.00 mi13:05:492:34:427:4411:32
8:29
#9340
21M
21.00 mi13:16:112:45:047:5210:22
10:22
#9664
35K
21.75 mi13:23:292:52:227:567:18
9:45
#9972
23M
23.00 mi13:36:133:05:068:0312:44
10:10
#10413
24M
24.00 mi13:45:153:14:088:059:02
9:02
#10488
40K
24.85 mi13:53:213:22:148:088:06
9:28
#10588
25.2M
25.20 mi13:57:153:26:088:113:54
11:19
#10710
Finish
26.22 mi14:06:023:34:558:128:47
8:37
#10744
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi12764914691468910(Top 35%)7235(Top 50%)7235(Top 473%)
10K6.21 mi3.10 mi11562+12028620+5268620+52610441(Top 41%)8094(Top 56%)8094(Top 529%)
15K9.32 mi3.11 mi10648+9148187+4338187+4338910(Top 35%)7235(Top 50%)7235(Top 473%)
20K12.43 mi3.11 mi10103+5457878+3097878+3098843(Top 35%)7079(Top 49%)7079(Top 463%)
Half13.11 mi0.68 mi10076+277853+257853+259453(Top 37%)7406(Top 51%)7406(Top 484%)
25K15.53 mi2.42 mi9583+4937559+2947559+2947739(Top 30%)6269(Top 43%)6269(Top 410%)
30K18.64 mi3.11 mi9397+1867366+1937366+1939205(Top 36%)6870(Top 47%)6870(Top 449%)
20M20.00 mi1.36 mi9340+577288+787288+789356(Top 37%)6705(Top 46%)6705(Top 439%)
21M21.00 mi1.00 mi9664-3247388-1007388-10014347(Top 56%)8825(Top 61%)8825(Top 577%)
35K21.75 mi0.75 mi9972-3087496-1087496-10816370(Top 64%)9781(Top 67%)9781(Top 640%)
23M23.00 mi1.25 mi10413-4417653-1577653-15716010(Top 63%)9572(Top 66%)9572(Top 626%)
24M24.00 mi1.00 mi10488-757646+77646+712313(Top 48%)7704(Top 53%)7704(Top 504%)
40K24.85 mi0.85 mi10588-1007643+37643+312984(Top 51%)7918(Top 54%)7918(Top 518%)
25.2M25.20 mi0.35 mi10710-1227682-397682-3915440(Top 60%)9143(Top 63%)9143(Top 598%)
Finish26.22 mi1.02 mi10744-347655+277655+2712162(Top 48%)7588(Top 52%)7588(Top 496%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

8910

Males

7235

M55-59

7235

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10441

Males

8094

M55-59

8094

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

8910

Males

7235

M55-59

7235

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

8843

Males

7079

M55-59

7079

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9453

Males

7406

M55-59

7406

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

7739

Males

6269

M55-59

6269

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9205

Males

6870

M55-59

6870

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9356

Males

6705

M55-59

6705

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14347

Males

8825

M55-59

8825

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

16370

Males

9781

M55-59

9781

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16010

Males

9572

M55-59

9572

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12313

Males

7704

M55-59

7704

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

12984

Males

7918

M55-59

7918

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15440

Males

9143

M55-59

9143

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12162

Males

7588

M55-59

7588

Passing Analysis

Category:
Athletes Passed
4146*
Passed By
2125
Net Change
+2020
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12764
5K → 10K122624+1202#12764#11562
10K → 15K9195+914#11562#10648
15K → 20K56419+545#10648#10103
20K → Half5326+27#10103#10076
Half → 25K51118+493#10076#9583
25K → 30K343157+186#9583#9397
30K → 20M163106+57#9397#9340
20M → 21M50374-324#9340#9664
21M → 35K30338-308#9664#9972
35K → 23M51491-441#9972#10413
23M → 24M77152-75#10413#10488
24M → 40K74*174-100#10488#10588
40K → 25.2M10132-122#10588#10710
25.2M → Finish75109-34#10710#10744
TOTALS4146*2125+2020

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing