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BOSTON MARATHON 2023

Antonio Dos Santos

Bib: 6551•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Masters (Masters Men)
#0 / 9891
Top 12%
Division (M45-49)
#0 / 2252
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:53
Rank: #3868
Start → 5K
20:53 | 6:43/mi
10K· 6.21 mi
41:43
Rank: #4120 (-252)
5K → 10K
20:50 | 6:42/mi
15K· 9.32 mi
1:02:35
Rank: #4157 (-37)
10K → 15K
20:52 | 6:43/mi
20K· 12.43 mi
1:23:43
Rank: #4220 (-63)
15K → 20K
21:08 | 6:48/mi
Half· 13.11 mi
1:28:17
Rank: #4212 (+8)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:45:08
Rank: #4385 (-173)
Half → 25K
16:51 | 6:57/mi
30K· 18.64 mi
2:06:57
Rank: #4395 (-10)
25K → 30K
21:49 | 7:01/mi
20M
2:16:37
Rank: #4431 (-36)
30K → 20M
9:40 | 7:07/mi
21M
2:24:09
Rank: #4443 (-12)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:29:09
Rank: #4380 (+63)
21M → 35K
5:00 | 6:41/mi
23M
2:37:50
Rank: #4288 (+92)
35K → 23M
8:41 | 6:56/mi
24M
2:44:29
Rank: #4223 (+65)
23M → 24M
6:39 | 6:39/mi
40K· 24.85 mi
2:50:23
Rank: #4153 (+70)
24M → 40K
5:54 | 6:54/mi
25.2M
2:52:54
Rank: #4127 (+26)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:59:33
Rank: #4055 (+72)
25.2M → Finish
6:39 | 6:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:17
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:31:16
Pace6:58 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4720:536:4320:53
6:43
-
10K
6.21 mi10:45:3741:436:4320:50
6:42
-0:01
15K
9.32 mi11:06:291:02:356:4320:52
6:43
+0:01
20K
12.43 mi11:27:371:23:436:4421:08
6:48
+0:05
Half
13.11 mi11:32:111:28:176:444:34
6:42
-0:06
25K
15.53 mi11:49:021:45:086:4616:51
6:57
+0:15
30K
18.64 mi12:10:512:06:576:4921:49
7:01
+0:04
20M
20.00 mi12:20:312:16:376:509:40
7:07
+0:06
21M
21.00 mi12:28:032:24:096:527:32
7:32
+0:25
35K
21.75 mi12:33:032:29:096:515:00
6:41
-0:51
23M
23.00 mi12:41:442:37:506:528:41
6:56
+0:15
24M
24.00 mi12:48:232:44:296:516:39
6:39
-0:17
40K
24.85 mi12:54:172:50:236:515:54
6:54
+0:15
25.2M
25.20 mi12:56:482:52:546:522:31
7:18
+0:24
Finish
26.22 mi13:03:272:59:336:516:39
6:32
-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

6:32 /mi

Average Pace

6:51 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:30

94% of race

Time at Steady Pace

10:03

6% 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 mi10:24:4720:536:4320:53
6:43
#3868
10K
6.21 mi10:45:3741:436:4320:50
6:42
#4120
15K
9.32 mi11:06:291:02:356:4320:52
6:43
#4157
20K
12.43 mi11:27:371:23:436:4421:08
6:48
#4220
Half
13.11 mi11:32:111:28:176:444:34
6:42
#4212
25K
15.53 mi11:49:021:45:086:4616:51
6:57
#4385
30K
18.64 mi12:10:512:06:576:4921:49
7:01
#4395
20M
20.00 mi12:20:312:16:376:509:40
7:07
#4431
21M
21.00 mi12:28:032:24:096:527:32
7:32
#4443
35K
21.75 mi12:33:032:29:096:515:00
6:41
#4380
23M
23.00 mi12:41:442:37:506:528:41
6:56
#4288
24M
24.00 mi12:48:232:44:296:516:39
6:39
#4223
40K
24.85 mi12:54:172:50:236:515:54
6:54
#4153
25.2M
25.20 mi12:56:482:52:546:522:31
7:18
#4127
Finish
26.22 mi13:03:272:59:336:516:39
6:32
#4055
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3868363436344277(Top 16%)4007(Top 26%)4007(Top 178%)
10K6.21 mi3.10 mi4120-2523870-2363870-2364378(Top 16%)4097(Top 27%)4097(Top 182%)
15K9.32 mi3.11 mi4157-373903-333903-334277(Top 16%)4007(Top 26%)4007(Top 178%)
20K12.43 mi3.11 mi4220-633956-533956-534444(Top 17%)4145(Top 27%)4145(Top 184%)
Half13.11 mi0.68 mi4212+83949+73949+74255(Top 16%)3979(Top 26%)3979(Top 177%)
25K15.53 mi2.42 mi4385-1734103-1544103-1545270(Top 20%)4857(Top 32%)4857(Top 216%)
30K18.64 mi3.11 mi4395-104107-44107-44492(Top 17%)4160(Top 27%)4160(Top 185%)
20M20.00 mi1.36 mi4431-364137-304137-304664(Top 18%)4269(Top 28%)4269(Top 190%)
21M21.00 mi1.00 mi4443-124146-94146-94726(Top 18%)4267(Top 28%)4267(Top 189%)
35K21.75 mi0.75 mi4380+634089+574089+573483(Top 13%)3235(Top 21%)3235(Top 144%)
23M23.00 mi1.25 mi4288+924012+774012+773444(Top 13%)3192(Top 21%)3192(Top 142%)
24M24.00 mi1.00 mi4223+653953+593953+592855(Top 11%)2656(Top 18%)2656(Top 118%)
40K24.85 mi0.85 mi4153+703887+663887+663337(Top 13%)3053(Top 20%)3053(Top 136%)
25.2M25.20 mi0.35 mi4127+263863+243863+242969(Top 11%)2724(Top 18%)2724(Top 121%)
Finish26.22 mi1.02 mi4055+723793+703793+702624(Top 10%)2410(Top 16%)2410(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4277

Males

4007

M45-49

4007

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4378

Males

4097

M45-49

4097

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4277

Males

4007

M45-49

4007

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4444

Males

4145

M45-49

4145

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4255

Males

3979

M45-49

3979

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5270

Males

4857

M45-49

4857

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4492

Males

4160

M45-49

4160

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4664

Males

4269

M45-49

4269

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4726

Males

4267

M45-49

4267

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3483

Males

3235

M45-49

3235

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3444

Males

3192

M45-49

3192

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2855

Males

2656

M45-49

2656

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3337

Males

3053

M45-49

3053

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2969

Males

2724

M45-49

2724

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2624

Males

2410

M45-49

2410

Passing Analysis

Category:
Athletes Passed
1073
Passed By
1260
Net Change
-187
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3868
5K → 10K117369-252#3868#4120
10K → 15K111148-37#4120#4157
15K → 20K73136-63#4157#4220
20K → Half2416+8#4220#4212
Half → 25K44217-173#4212#4385
25K → 30K107117-10#4385#4395
30K → 20M5288-36#4395#4431
20M → 21M5769-12#4431#4443
21M → 35K7815+63#4443#4380
35K → 23M11725+92#4380#4288
23M → 24M8318+65#4288#4223
24M → 40K8515+70#4223#4153
40K → 25.2M3610+26#4153#4127
25.2M → Finish8917+72#4127#4055
TOTALS10731260-187
📊

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