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BOSTON MARATHON 2023

Stuart Lamp

Bib: 3697•M

AL

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:55
Rank: #1862
Start → 5K
19:55 | 6:25/mi
10K· 6.21 mi
39:20
Rank: #1703 (+159)
5K → 10K
19:25 | 6:15/mi
15K· 9.32 mi
59:08
Rank: #1767 (-64)
10K → 15K
19:48 | 6:22/mi
20K· 12.43 mi
1:19:25
Rank: #1891 (-124)
15K → 20K
20:17 | 6:32/mi
Half· 13.11 mi
1:23:51
Rank: #1928 (-37)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:40:04
Rank: #2106 (-178)
Half → 25K
16:13 | 6:41/mi
30K· 18.64 mi
2:03:53
Rank: #3015 (-909)
25K → 30K
23:49 | 7:40/mi
20M
2:15:28
Rank: #3903 (-888)
30K → 20M
11:35 | 8:31/mi
21M
2:23:37
Rank: #4216 (-313)
20M → 21M
8:09 | 8:09/mi
35K· 21.75 mi
2:30:42
Rank: #4940 (-724)
21M → 35K
7:05 | 9:28/mi
23M
2:46:34
Rank: #6654 (-1714)
35K → 23M
15:52 | 12:40/mi
24M
3:04:20
Rank: #9775 (-3121)
23M → 24M
17:46 | 17:46/mi
40K· 24.85 mi
3:20:33
Rank: #12809 (-3034)
24M → 40K
16:13 | 18:58/mi
25.2M
3:27:26
Rank: #13880 (-1071)
40K → 25.2M
6:53 | 19:58/mi
Finish· 26.22 mi
3:41:56
Rank: #15434 (-1554)
25.2M → Finish
14:30 | 14:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:51
Pace6:24 /mi
2nd Half
Distance13.11 mi
Time2:18:05
Pace10:32 /mi
📊Positive Split: 64.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1119:556:2519:55
6:25
-
10K
6.21 mi10:40:3639:206:2019:25
6:15
-0:10
15K
9.32 mi11:00:2459:086:2119:48
6:22
+0:07
20K
12.43 mi11:20:411:19:256:2320:17
6:32
+0:10
Half
13.11 mi11:25:071:23:516:244:26
6:30
-0:02
25K
15.53 mi11:41:201:40:046:2716:13
6:41
+0:11
30K
18.64 mi12:05:092:03:536:3923:49
7:40
+0:59
20M
20.00 mi12:16:442:15:286:4611:35
8:31
+0:51
21M
21.00 mi12:24:532:23:376:508:09
8:09
-0:22
35K
21.75 mi12:31:582:30:426:567:05
9:28
+1:19
23M
23.00 mi12:47:502:46:347:1515:52
12:40
+3:12
24M
24.00 mi13:05:363:04:207:4117:46
17:46
+5:06
40K
24.85 mi13:21:493:20:338:0416:13
18:58
+1:12
25.2M
25.20 mi13:28:423:27:268:146:53
19:58
+1:00
Finish
26.22 mi13:43:123:41:568:2814:30
14:14
-5:44

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

6:15 /mi

Average Pace

8:28 /mi

Slowest Pace

19:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:30:42

68% of race

Time at Slower Pace

1:11:14

32% of race

Average Pace: 8:28 /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 mi10:21:1119:556:2519:55
6:25
#1862
10K
6.21 mi10:40:3639:206:2019:25
6:15
#1703
15K
9.32 mi11:00:2459:086:2119:48
6:22
#1767
20K
12.43 mi11:20:411:19:256:2320:17
6:32
#1891
Half
13.11 mi11:25:071:23:516:244:26
6:30
#1928
25K
15.53 mi11:41:201:40:046:2716:13
6:41
#2106
30K
18.64 mi12:05:092:03:536:3923:49
7:40
#3015
20M
20.00 mi12:16:442:15:286:4611:35
8:31
#3903
21M
21.00 mi12:24:532:23:376:508:09
8:09
#4216
35K
21.75 mi12:31:582:30:426:567:05
9:28
#4940
23M
23.00 mi12:47:502:46:347:1515:52
12:40
#6654
24M
24.00 mi13:05:363:04:207:4117:46
17:46
#9775
40K
24.85 mi13:21:493:20:338:0416:13
18:58
#12809
25.2M
25.20 mi13:28:423:27:268:146:53
19:58
#13880
Finish
26.22 mi13:43:123:41:568:2814:30
14:14
#15434
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1862177717771975(Top 7%)1891(Top 12%)1891(Top 36%)
10K6.21 mi3.10 mi1703+1591627+1501627+1501564(Top 6%)1496(Top 10%)1496(Top 28%)
15K9.32 mi3.11 mi1767-641689-621689-621975(Top 7%)1891(Top 12%)1891(Top 36%)
20K12.43 mi3.11 mi1891-1241811-1221811-1222464(Top 9%)2360(Top 16%)2360(Top 45%)
Half13.11 mi0.68 mi1928-371847-361847-362851(Top 11%)2735(Top 18%)2735(Top 52%)
25K15.53 mi2.42 mi2106-1782021-1742021-1743295(Top 12%)3135(Top 21%)3135(Top 59%)
30K18.64 mi3.11 mi3015-9092874-8532874-8538415(Top 32%)6937(Top 46%)6937(Top 131%)
20M20.00 mi1.36 mi3903-8883676-8023676-80213772(Top 52%)9479(Top 62%)9479(Top 179%)
21M21.00 mi1.00 mi4216-3133947-2713947-2718314(Top 31%)6666(Top 44%)6666(Top 126%)
35K21.75 mi0.75 mi4940-7244577-6304577-63019722(Top 74%)11928(Top 79%)11928(Top 226%)
23M23.00 mi1.25 mi6654-17145909-13325909-133224760(Top 93%)14222(Top 94%)14222(Top 269%)
24M24.00 mi1.00 mi9775-31217839-19307839-193026593(Top 100%)15157(Top 100%)15157(Top 287%)
40K24.85 mi0.85 mi12809-30349235-13969235-139626594(Top 100%)15159(Top 100%)15159(Top 287%)
25.2M25.20 mi0.35 mi13880-10719655-4209655-42026584(Top 100%)15152(Top 100%)15152(Top 287%)
Finish26.22 mi1.02 mi15434-155410245-59010245-59026393(Top 99%)15027(Top 99%)15027(Top 284%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1975

Males

1891

M18-39

1891

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1564

Males

1496

M18-39

1496

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1975

Males

1891

M18-39

1891

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2464

Males

2360

M18-39

2360

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2851

Males

2735

M18-39

2735

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3295

Males

3135

M18-39

3135

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8415

Males

6937

M18-39

6937

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13772

Males

9479

M18-39

9479

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8314

Males

6666

M18-39

6666

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

19722

Males

11928

M18-39

11928

35K→23M

21.8 - 23.0 mi

Top 93%
×5stories
+23ft-63ft

Overall

24760

Males

14222

M18-39

14222

23M→24M

23.0 - 24.0 mi

Top 100%
×6stories
+12ft-82ft

Overall

26593

Males

15157

M18-39

15157

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

26594

Males

15159

M18-39

15159

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

26584

Males

15152

M18-39

15152

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

26393

Males

15027

M18-39

15027

Passing Analysis

Category:
Athletes Passed
293
Passed By
13864
Net Change
-13572
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1862
5K → 10K19334+159#1862#1703
10K → 15K3599-64#1703#1767
15K → 20K23147-124#1767#1891
20K → Half239-37#1891#1928
Half → 25K11189-178#1928#2106
25K → 30K3912-909#2106#3015
30K → 20M3891-888#3015#3903
20M → 21M18331-313#3903#4216
21M → 35K1725-724#4216#4940
35K → 23M21716-1714#4940#6654
23M → 24M03121-3121#6654#9775
24M → 40K03033-3034#9775#12809
40K → 25.2M01071-1071#12809#13880
25.2M → Finish21556-1554#13880#15434
TOTALS29313864-13572
📊

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