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BOSTON MARATHON 2023

Sam Brown

Bib: 6828•M

OH

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
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
21:15
Rank: #5040
Start → 5K
21:15 | 6:50/mi
10K· 6.21 mi
42:33
Rank: #5387 (-347)
5K → 10K
21:18 | 6:51/mi
15K· 9.32 mi
1:03:47
Rank: #5396 (-9)
10K → 15K
21:14 | 6:50/mi
20K· 12.43 mi
1:24:50
Rank: #5087 (+309)
15K → 20K
21:03 | 6:47/mi
Half· 13.11 mi
1:29:23
Rank: #5027 (+60)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:45:49
Rank: #4810 (+217)
Half → 25K
16:26 | 6:47/mi
30K· 18.64 mi
2:07:19
Rank: #4571 (+239)
25K → 30K
21:30 | 6:55/mi
20M
2:16:42
Rank: #4466 (+105)
30K → 20M
9:23 | 6:54/mi
21M
2:23:59
Rank: #4372 (+94)
20M → 21M
7:17 | 7:17/mi
35K· 21.75 mi
2:28:59
Rank: #4312 (+60)
21M → 35K
5:00 | 6:41/mi
23M
2:37:37
Rank: #4206 (+106)
35K → 23M
8:38 | 6:54/mi
24M
2:44:21
Rank: #4160 (+46)
23M → 24M
6:44 | 6:44/mi
40K· 24.85 mi
2:50:15
Rank: #4113 (+47)
24M → 40K
5:54 | 6:54/mi
25.2M
2:52:47
Rank: #4087 (+26)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:59:38
Rank: #4083 (+4)
25.2M → Finish
6:51 | 6:43/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:23
Pace6:49 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:30:15
Pace6:53 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5421:156:5021:15
6:50
-
10K
6.21 mi10:46:1242:336:5121:18
6:51
+0:01
15K
9.32 mi11:07:261:03:476:5121:14
6:50
-0:01
20K
12.43 mi11:28:291:24:506:5021:03
6:47
-0:03
Half
13.11 mi11:33:021:29:236:494:33
6:40
-0:07
25K
15.53 mi11:49:281:45:496:4916:26
6:47
+0:07
30K
18.64 mi12:10:582:07:196:5021:30
6:55
+0:08
20M
20.00 mi12:20:212:16:426:509:23
6:54
-0:01
21M
21.00 mi12:27:382:23:596:517:17
7:17
+0:23
35K
21.75 mi12:32:382:28:596:515:00
6:41
-0:36
23M
23.00 mi12:41:162:37:376:518:38
6:54
+0:13
24M
24.00 mi12:48:002:44:216:516:44
6:44
-0:10
40K
24.85 mi12:53:542:50:156:515:54
6:54
+0:10
25.2M
25.20 mi12:56:262:52:476:512:32
7:21
+0:27
Finish
26.22 mi13:03:172:59:386:516:51
6:43
-0:38

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

6:40 /mi

Average Pace

6:51 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:06

99% of race

Time at Steady Pace

2:32

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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 mi10:24:5421:156:5021:15
6:50
#5040
10K
6.21 mi10:46:1242:336:5121:18
6:51
#5387
15K
9.32 mi11:07:261:03:476:5121:14
6:50
#5396
20K
12.43 mi11:28:291:24:506:5021:03
6:47
#5087
Half
13.11 mi11:33:021:29:236:494:33
6:40
#5027
25K
15.53 mi11:49:281:45:496:4916:26
6:47
#4810
30K
18.64 mi12:10:582:07:196:5021:30
6:55
#4571
20M
20.00 mi12:20:212:16:426:509:23
6:54
#4466
21M
21.00 mi12:27:382:23:596:517:17
7:17
#4372
35K
21.75 mi12:32:382:28:596:515:00
6:41
#4312
23M
23.00 mi12:41:162:37:376:518:38
6:54
#4206
24M
24.00 mi12:48:002:44:216:516:44
6:44
#4160
40K
24.85 mi12:53:542:50:156:515:54
6:54
#4113
25.2M
25.20 mi12:56:262:52:476:512:32
7:21
#4087
Finish
26.22 mi13:03:172:59:386:516:51
6:43
#4083
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5040467546755412(Top 20%)4989(Top 33%)4989(Top 94%)
10K6.21 mi3.10 mi5387-3474976-3014976-3015787(Top 22%)5288(Top 35%)5288(Top 100%)
15K9.32 mi3.11 mi5396-94987-114987-115412(Top 20%)4989(Top 33%)4989(Top 94%)
20K12.43 mi3.11 mi5087+3094720+2674720+2674211(Top 16%)3942(Top 26%)3942(Top 75%)
Half13.11 mi0.68 mi5027+604670+504670+504044(Top 15%)3796(Top 25%)3796(Top 72%)
25K15.53 mi2.42 mi4810+2174476+1944476+1943950(Top 15%)3711(Top 24%)3711(Top 70%)
30K18.64 mi3.11 mi4571+2394264+2124264+2123788(Top 14%)3552(Top 23%)3552(Top 67%)
20M20.00 mi1.36 mi4466+1054169+954169+953472(Top 13%)3244(Top 21%)3244(Top 61%)
21M21.00 mi1.00 mi4372+944085+844085+843529(Top 13%)3280(Top 22%)3280(Top 62%)
35K21.75 mi0.75 mi4312+604030+554030+553484(Top 13%)3236(Top 21%)3236(Top 61%)
23M23.00 mi1.25 mi4206+1063936+943936+943212(Top 12%)2989(Top 20%)2989(Top 57%)
24M24.00 mi1.00 mi4160+463896+403896+403297(Top 12%)3052(Top 20%)3052(Top 58%)
40K24.85 mi0.85 mi4113+473849+473849+473340(Top 13%)3056(Top 20%)3056(Top 58%)
25.2M25.20 mi0.35 mi4087+263826+233826+233176(Top 12%)2899(Top 19%)2899(Top 55%)
Finish26.22 mi1.02 mi4083+43820+63820+63630(Top 14%)3244(Top 21%)3244(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5412

Males

4989

M18-39

4989

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5787

Males

5288

M18-39

5288

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5412

Males

4989

M18-39

4989

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4211

Males

3942

M18-39

3942

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4044

Males

3796

M18-39

3796

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3950

Males

3711

M18-39

3711

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3788

Males

3552

M18-39

3552

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3472

Males

3244

M18-39

3244

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3529

Males

3280

M18-39

3280

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3484

Males

3236

M18-39

3236

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3212

Males

2989

M18-39

2989

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3297

Males

3052

M18-39

3052

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3340

Males

3056

M18-39

3056

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3176

Males

2899

M18-39

2899

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3630

Males

3244

M18-39

3244

Passing Analysis

Category:
Athletes Passed
1751
Passed By
794
Net Change
+957
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5040
5K → 10K79426-347#5040#5387
10K → 15K120129-9#5387#5396
15K → 20K32112+309#5396#5087
20K → Half655+60#5087#5027
Half → 25K22912+217#5027#4810
25K → 30K27940+239#4810#4571
30K → 20M11813+105#4571#4466
20M → 21M11218+94#4466#4372
21M → 35K7414+60#4372#4312
35K → 23M12216+106#4312#4206
23M → 24M7428+46#4206#4160
24M → 40K7023+47#4160#4113
40K → 25.2M3610+26#4113#4087
25.2M → Finish5248+4#4087#4083
TOTALS1751794+957
📊

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