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BOSTON MARATHON 2023

Samuel Collins

Bib: 4888•M

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
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
21:26
Rank: #5538
Start → 5K
21:26 | 6:54/mi
10K· 6.21 mi
42:25
Rank: #5181 (+357)
5K → 10K
20:59 | 6:45/mi
15K· 9.32 mi
1:03:26
Rank: #5045 (+136)
10K → 15K
21:01 | 6:46/mi
20K· 12.43 mi
1:24:34
Rank: #4895 (+150)
15K → 20K
21:08 | 6:48/mi
Half· 13.11 mi
1:29:12
Rank: #4901 (-6)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:45:46
Rank: #4778 (+123)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:07:37
Rank: #4715 (+63)
25K → 30K
21:51 | 7:02/mi
20M
2:17:16
Rank: #4700 (+15)
30K → 20M
9:39 | 7:06/mi
21M
2:24:38
Rank: #4635 (+65)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:29:40
Rank: #4594 (+41)
21M → 35K
5:02 | 6:44/mi
23M
2:38:31
Rank: #4536 (+58)
35K → 23M
8:51 | 7:04/mi
24M
2:45:19
Rank: #4476 (+60)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:51:21
Rank: #4441 (+35)
24M → 40K
6:02 | 7:03/mi
25.2M
2:53:51
Rank: #4401 (+40)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
3:00:09
Rank: #4228 (+173)
25.2M → Finish
6:18 | 6:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:12
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:30:57
Pace6:56 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3721:266:5421:26
6:54
-
10K
6.21 mi10:44:3642:256:5020:59
6:45
-0:09
15K
9.32 mi11:05:371:03:266:4821:01
6:46
+0:01
20K
12.43 mi11:26:451:24:346:4821:08
6:48
+0:02
Half
13.11 mi11:31:231:29:126:484:38
6:47
-0:01
25K
15.53 mi11:47:571:45:466:4916:34
6:50
+0:03
30K
18.64 mi12:09:482:07:376:5121:51
7:02
+0:12
20M
20.00 mi12:19:272:17:166:529:39
7:06
+0:04
21M
21.00 mi12:26:492:24:386:537:22
7:22
+0:16
35K
21.75 mi12:31:512:29:406:535:02
6:44
-0:38
23M
23.00 mi12:40:422:38:316:548:51
7:04
+0:20
24M
24.00 mi12:47:302:45:196:536:48
6:48
-0:16
40K
24.85 mi12:53:322:51:216:546:02
7:03
+0:15
25.2M
25.20 mi12:56:022:53:516:542:30
7:15
+0:12
Finish
26.22 mi13:02:203:00:096:536:18
6:11
-1:04

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

6:11 /mi

Average Pace

6:53 /mi

Slowest Pace

7:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:54

48% of race

Time at Steady Pace

1:26:53

48% of race

Time at Slower Pace

7:22

4% of race

Average Pace: 6:52 /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 mi10:23:3721:266:5421:26
6:54
#5538
10K
6.21 mi10:44:3642:256:5020:59
6:45
#5181
15K
9.32 mi11:05:371:03:266:4821:01
6:46
#5045
20K
12.43 mi11:26:451:24:346:4821:08
6:48
#4895
Half
13.11 mi11:31:231:29:126:484:38
6:47
#4901
25K
15.53 mi11:47:571:45:466:4916:34
6:50
#4778
30K
18.64 mi12:09:482:07:376:5121:51
7:02
#4715
20M
20.00 mi12:19:272:17:166:529:39
7:06
#4700
21M
21.00 mi12:26:492:24:386:537:22
7:22
#4635
35K
21.75 mi12:31:512:29:406:535:02
6:44
#4594
23M
23.00 mi12:40:422:38:316:548:51
7:04
#4536
24M
24.00 mi12:47:302:45:196:536:48
6:48
#4476
40K
24.85 mi12:53:322:51:216:546:02
7:03
#4441
25.2M
25.20 mi12:56:022:53:516:542:30
7:15
#4401
Finish
26.22 mi13:02:203:00:096:536:18
6:11
#4228
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5538510251024751(Top 18%)4427(Top 29%)4427(Top 84%)
10K6.21 mi3.10 mi5181+3574798+3044798+3044844(Top 18%)4496(Top 30%)4496(Top 85%)
15K9.32 mi3.11 mi5045+1364682+1164682+1164751(Top 18%)4427(Top 29%)4427(Top 84%)
20K12.43 mi3.11 mi4895+1504559+1234559+1234450(Top 17%)4151(Top 27%)4151(Top 79%)
Half13.11 mi0.68 mi4901-6455945595131(Top 19%)4741(Top 31%)4741(Top 90%)
25K15.53 mi2.42 mi4778+1234449+1104449+1104436(Top 17%)4134(Top 27%)4134(Top 78%)
30K18.64 mi3.11 mi4715+634395+544395+544556(Top 17%)4218(Top 28%)4218(Top 80%)
20M20.00 mi1.36 mi4700+154382+134382+134611(Top 17%)4230(Top 28%)4230(Top 80%)
21M21.00 mi1.00 mi4635+654316+664316+663974(Top 15%)3666(Top 24%)3666(Top 69%)
35K21.75 mi0.75 mi4594+414278+384278+383740(Top 14%)3457(Top 23%)3457(Top 65%)
23M23.00 mi1.25 mi4536+584223+554223+554133(Top 16%)3789(Top 25%)3789(Top 72%)
24M24.00 mi1.00 mi4476+604176+474176+473662(Top 14%)3361(Top 22%)3361(Top 64%)
40K24.85 mi0.85 mi4441+354143+334143+334132(Top 16%)3693(Top 24%)3693(Top 70%)
25.2M25.20 mi0.35 mi4401+404106+374106+372759(Top 10%)2545(Top 17%)2545(Top 48%)
Finish26.22 mi1.02 mi4228+1733950+1563950+1561236(Top 5%)1177(Top 8%)1177(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4751

Males

4427

M18-39

4427

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4844

Males

4496

M18-39

4496

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4751

Males

4427

M18-39

4427

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4450

Males

4151

M18-39

4151

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5131

Males

4741

M18-39

4741

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4436

Males

4134

M18-39

4134

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4556

Males

4218

M18-39

4218

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4611

Males

4230

M18-39

4230

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3974

Males

3666

M18-39

3666

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3740

Males

3457

M18-39

3457

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4133

Males

3789

M18-39

3789

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3662

Males

3361

M18-39

3361

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4132

Males

3693

M18-39

3693

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2759

Males

2545

M18-39

2545

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1236

Males

1177

M18-39

1177

Passing Analysis

Category:
Athletes Passed
1824
Passed By
514
Net Change
+1310
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5538
5K → 10K42770+357#5538#5181
10K → 15K19256+136#5181#5045
15K → 20K19141+150#5045#4895
20K → Half1521-6#4895#4901
Half → 25K16037+123#4901#4778
25K → 30K163100+63#4778#4715
30K → 20M7762+15#4715#4700
20M → 21M8722+65#4700#4635
21M → 35K6019+41#4635#4594
35K → 23M9335+58#4594#4536
23M → 24M8020+60#4536#4476
24M → 40K6126+35#4476#4441
40K → 25.2M433+40#4441#4401
25.2M → Finish1752+173#4401#4228
TOTALS1824514+1310
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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