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BOSTON MARATHON 2023

Samuel Barton

Bib: 26048•M

NY

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

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
9:05/mi
28:14
↑ 97↓ 3451.5%
10K· 6.21 mi
8:18/mi
54:02
↑ 79↓ 1380.4%
15K· 9.32 mi
8:05/mi
1:19:09
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:44:32
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:50:08
↑ 19↓ 370.5%
25K· 15.53 mi
8:26/mi
2:10:34
↑ 66↓ 880.2%
30K· 18.64 mi
8:48/mi
2:37:55
↑ 181↓ 1480.2%
20M
9:05/mi
2:50:15
↑ 64↓ 500.2%
21M
9:42/mi
2:59:57
↑ 106↓ 241.6%
35K· 21.75 mi
8:51/mi
3:06:34
↑ 17↓ 861.7%
23M
9:05/mi
3:17:56
↑ 23↓ 630.6%
24M
9:01/mi
3:26:57
↓ 821.3%
40K· 24.85 mi
9:10/mi
3:34:47
↓ 200.3%
25.2M
9:46/mi
3:38:09
↑ 13↓ 160.2%
Finish· 26.22 mi
8:38/mi
3:46:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:08
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:56:49
Pace8:55 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:4328:149:0528:14
9:05
-
10K
6.21 mi12:10:3154:028:4225:48
8:18
-0:47
15K
9.32 mi12:35:381:19:098:3025:07
8:05
-0:13
20K
12.43 mi13:01:011:44:328:2525:23
8:10
+0:05
Half
13.11 mi13:06:371:50:088:245:36
8:12
+0:02
25K
15.53 mi13:27:032:10:348:2420:26
8:26
+0:14
30K
18.64 mi13:54:242:37:558:2827:21
8:48
+0:22
20M
20.00 mi14:06:442:50:158:3112:20
9:05
+0:17
21M
21.00 mi14:16:262:59:578:349:42
9:42
+0:37
35K
21.75 mi14:23:033:06:348:356:37
8:51
-0:51
23M
23.00 mi14:34:253:17:568:3611:22
9:05
+0:14
24M
24.00 mi14:43:263:26:578:379:01
9:01
-0:04
40K
24.85 mi14:51:163:34:478:387:50
9:10
+0:09
25.2M
25.20 mi14:54:383:38:098:393:22
9:46
+0:36
Finish
26.22 mi15:03:263:46:578:408:48
8:38
-1:08

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

8:05 /mi

Average Pace

8:40 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:20

45% of race

Time at Steady Pace

1:43:43

46% of race

Time at Slower Pace

20:54

9% of race

Average Pace: 8:39 /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 mi11:44:4328:149:0528:14
9:05
#20814
10K
6.21 mi12:10:3154:028:4225:48
8:18
#19077
15K
9.32 mi12:35:381:19:098:3025:07
8:05
#17799
20K
12.43 mi13:01:011:44:328:2525:23
8:10
#17015
Half
13.11 mi13:06:371:50:088:245:36
8:12
#16955
25K
15.53 mi13:27:032:10:348:2420:26
8:26
#16764
30K
18.64 mi13:54:242:37:558:2827:21
8:48
#16605
20M
20.00 mi14:06:442:50:158:3112:20
9:05
#16612
21M
21.00 mi14:16:262:59:578:349:42
9:42
#16608
35K
21.75 mi14:23:033:06:348:356:37
8:51
#16626
23M
23.00 mi14:34:253:17:568:3611:22
9:05
#16613
24M
24.00 mi14:43:263:26:578:379:01
9:01
#16638
40K
24.85 mi14:51:163:34:478:387:50
9:10
#16653
25.2M
25.20 mi14:54:383:38:098:393:22
9:46
#16640
Finish
26.22 mi15:03:263:46:578:408:48
8:38
#16606
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20814125171251715051(Top 57%)10330(Top 68%)10330(Top 195%)
10K6.21 mi3.10 mi19077+173711855+66211855+66216943(Top 64%)11085(Top 73%)11085(Top 210%)
15K9.32 mi3.11 mi17799+127811377+47811377+47815051(Top 57%)10330(Top 68%)10330(Top 195%)
20K12.43 mi3.11 mi17015+78411059+31811059+31814747(Top 55%)10176(Top 67%)10176(Top 193%)
Half13.11 mi0.68 mi16955+6011033+2611033+2615833(Top 59%)10621(Top 70%)10621(Top 201%)
25K15.53 mi2.42 mi16764+19110935+9810935+9815747(Top 59%)10445(Top 69%)10445(Top 198%)
30K18.64 mi3.11 mi16605+15910835+10010835+10016080(Top 60%)10513(Top 69%)10513(Top 199%)
20M20.00 mi1.36 mi16612-710827+810827+816909(Top 64%)10791(Top 71%)10791(Top 204%)
21M21.00 mi1.00 mi16608+410822+510822+516832(Top 63%)10720(Top 71%)10720(Top 203%)
35K21.75 mi0.75 mi16626-1810818+410818+417147(Top 64%)10766(Top 71%)10766(Top 204%)
23M23.00 mi1.25 mi16613+1310796+2210796+2216429(Top 62%)10425(Top 69%)10425(Top 197%)
24M24.00 mi1.00 mi16638-2510791+510791+517295(Top 65%)10760(Top 71%)10760(Top 204%)
40K24.85 mi0.85 mi16653-1510778+1310778+1316901(Top 63%)10537(Top 69%)10537(Top 199%)
25.2M25.20 mi0.35 mi16640+1310762+1610762+1616336(Top 61%)10259(Top 68%)10259(Top 194%)
Finish26.22 mi1.02 mi16606+3410743+1910743+1916150(Top 61%)10232(Top 67%)10232(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15051

Males

10330

M18-39

10330

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

16943

Males

11085

M18-39

11085

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15051

Males

10330

M18-39

10330

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14747

Males

10176

M18-39

10176

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

15833

Males

10621

M18-39

10621

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15747

Males

10445

M18-39

10445

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

16080

Males

10513

M18-39

10513

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

16909

Males

10791

M18-39

10791

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16832

Males

10720

M18-39

10720

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

17147

Males

10766

M18-39

10766

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

16429

Males

10425

M18-39

10425

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

17295

Males

10760

M18-39

10760

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16901

Males

10537

M18-39

10537

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16336

Males

10259

M18-39

10259

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

16150

Males

10232

M18-39

10232

Passing Analysis

Category:
Athletes Passed
4897
Passed By
689
Net Change
+4208
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20814
5K → 10K175619+1737#20814#19077
10K → 15K12846+1278#19077#17799
15K → 20K7884+784#17799#17015
20K → Half699+60#17015#16955
Half → 25K22231+191#16955#16764
25K → 30K25495+159#16764#16605
30K → 20M8390-7#16605#16612
20M → 21M9591+4#16612#16608
21M → 35K4664-18#16608#16626
35K → 23M8370+13#16626#16613
23M → 24M5782-25#16613#16638
24M → 40K5267-15#16638#16653
40K → 25.2M3623+13#16653#16640
25.2M → Finish7238+34#16640#16606
TOTALS4897689+4208
📊

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