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BOSTON MARATHON 2023

Samuel Adams

Bib: 4307•M

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Division (M18-39)
#0 / 5285
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:48
Rank: #3606
Start → 5K
20:48 | 6:42/mi
10K· 6.21 mi
41:11
Rank: #3360 (+246)
5K → 10K
20:23 | 6:34/mi
15K· 9.32 mi
1:01:32
Rank: #3204 (+156)
10K → 15K
20:21 | 6:33/mi
20K· 12.43 mi
1:21:49
Rank: #2957 (+247)
15K → 20K
20:17 | 6:32/mi
Half· 13.11 mi
1:26:12
Rank: #2912 (+45)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:42:03
Rank: #2793 (+119)
Half → 25K
15:51 | 6:32/mi
30K· 18.64 mi
2:02:37
Rank: #2619 (+174)
25K → 30K
20:34 | 6:37/mi
20M
2:11:41
Rank: #2562 (+57)
30K → 20M
9:04 | 6:40/mi
21M
2:18:39
Rank: #2499 (+63)
20M → 21M
6:58 | 6:58/mi
35K· 21.75 mi
2:23:21
Rank: #2435 (+64)
21M → 35K
4:42 | 6:17/mi
23M
2:31:32
Rank: #2355 (+80)
35K → 23M
8:11 | 6:32/mi
24M
2:37:52
Rank: #2298 (+57)
23M → 24M
6:20 | 6:20/mi
40K· 24.85 mi
2:43:26
Rank: #2241 (+57)
24M → 40K
5:34 | 6:31/mi
25.2M
2:45:51
Rank: #2220 (+21)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:52:12
Rank: #2137 (+83)
25.2M → Finish
6:21 | 6:14/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:26:12
Pace6:35 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:26:00
Pace6:34 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4820:486:4220:48
6:42
-
10K
6.21 mi10:43:1141:116:3820:23
6:34
-0:08
15K
9.32 mi11:03:321:01:326:3620:21
6:33
-0:01
20K
12.43 mi11:23:491:21:496:3520:17
6:32
-0:01
Half
13.11 mi11:28:121:26:126:354:23
6:25
-0:07
25K
15.53 mi11:44:031:42:036:3415:51
6:32
+0:07
30K
18.64 mi12:04:372:02:376:3520:34
6:37
+0:05
20M
20.00 mi12:13:412:11:416:359:04
6:40
+0:03
21M
21.00 mi12:20:392:18:396:366:58
6:58
+0:18
35K
21.75 mi12:25:212:23:216:354:42
6:17
-0:41
23M
23.00 mi12:33:322:31:326:358:11
6:32
+0:15
24M
24.00 mi12:39:522:37:526:356:20
6:20
-0:12
40K
24.85 mi12:45:262:43:266:355:34
6:31
+0:11
25.2M
25.20 mi12:47:512:45:516:352:25
7:00
+0:29
Finish
26.22 mi12:54:122:52:126:346:21
6:14
-0:46

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

6:14 /mi

Average Pace

6:34 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:49

95% of race

Time at Steady Pace

9:23

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:34 /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 mi10:22:4820:486:4220:48
6:42
#3606
10K
6.21 mi10:43:1141:116:3820:23
6:34
#3360
15K
9.32 mi11:03:321:01:326:3620:21
6:33
#3204
20K
12.43 mi11:23:491:21:496:3520:17
6:32
#2957
Half
13.11 mi11:28:121:26:126:354:23
6:25
#2912
25K
15.53 mi11:44:031:42:036:3415:51
6:32
#2793
30K
18.64 mi12:04:372:02:376:3520:34
6:37
#2619
20M
20.00 mi12:13:412:11:416:359:04
6:40
#2562
21M
21.00 mi12:20:392:18:396:366:58
6:58
#2499
35K
21.75 mi12:25:212:23:216:354:42
6:17
#2435
23M
23.00 mi12:33:322:31:326:358:11
6:32
#2355
24M
24.00 mi12:39:522:37:526:356:20
6:20
#2298
40K
24.85 mi12:45:262:43:266:355:34
6:31
#2241
25.2M
25.20 mi12:47:512:45:516:352:25
7:00
#2220
Finish
26.22 mi12:54:122:52:126:346:21
6:14
#2137
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3606339633962915(Top 11%)2786(Top 18%)2786(Top 53%)
10K6.21 mi3.10 mi3360+2463179+2173179+2173191(Top 12%)3040(Top 20%)3040(Top 58%)
15K9.32 mi3.11 mi3204+1563050+1293050+1292915(Top 11%)2786(Top 18%)2786(Top 53%)
20K12.43 mi3.11 mi2957+2472823+2272823+2272442(Top 9%)2338(Top 15%)2338(Top 44%)
Half13.11 mi0.68 mi2912+452780+432780+432336(Top 9%)2241(Top 15%)2241(Top 42%)
25K15.53 mi2.42 mi2793+1192670+1102670+1102360(Top 9%)2260(Top 15%)2260(Top 43%)
30K18.64 mi3.11 mi2619+1742500+1702500+1702043(Top 8%)1952(Top 13%)1952(Top 37%)
20M20.00 mi1.36 mi2562+572448+522448+522154(Top 8%)2049(Top 14%)2049(Top 39%)
21M21.00 mi1.00 mi2499+632392+562392+561992(Top 7%)1887(Top 12%)1887(Top 36%)
35K21.75 mi0.75 mi2435+642332+602332+601533(Top 6%)1457(Top 10%)1457(Top 28%)
23M23.00 mi1.25 mi2355+802254+782254+781565(Top 6%)1487(Top 10%)1487(Top 28%)
24M24.00 mi1.00 mi2298+572201+532201+531460(Top 5%)1383(Top 9%)1383(Top 26%)
40K24.85 mi0.85 mi2241+572150+512150+511576(Top 6%)1486(Top 10%)1486(Top 28%)
25.2M25.20 mi0.35 mi2220+212130+202130+201765(Top 7%)1658(Top 11%)1658(Top 31%)
Finish26.22 mi1.02 mi2137+832050+802050+801388(Top 5%)1313(Top 9%)1313(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2915

Males

2786

M18-39

2786

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3191

Males

3040

M18-39

3040

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2915

Males

2786

M18-39

2786

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2442

Males

2338

M18-39

2338

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2336

Males

2241

M18-39

2241

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2360

Males

2260

M18-39

2260

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2043

Males

1952

M18-39

1952

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2154

Males

2049

M18-39

2049

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1992

Males

1887

M18-39

1887

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1533

Males

1457

M18-39

1457

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1565

Males

1487

M18-39

1487

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1460

Males

1383

M18-39

1383

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1576

Males

1486

M18-39

1486

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1765

Males

1658

M18-39

1658

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1388

Males

1313

M18-39

1313

Passing Analysis

Category:
Athletes Passed
1658
Passed By
189
Net Change
+1469
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3606
5K → 10K32478+246#3606#3360
10K → 15K19337+156#3360#3204
15K → 20K25710+247#3204#2957
20K → Half472+45#2957#2912
Half → 25K12910+119#2912#2793
25K → 30K18410+174#2793#2619
30K → 20M7114+57#2619#2562
20M → 21M7613+63#2562#2499
21M → 35K640+64#2499#2435
35K → 23M866+80#2435#2355
23M → 24M603+57#2355#2298
24M → 40K603+57#2298#2241
40K → 25.2M221+21#2241#2220
25.2M → Finish852+83#2220#2137
TOTALS1658189+1469
📊

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