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BOSTON MARATHON 2023

Stuardo Sinibaldi

Bib: 8761•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:23
Rank: #9851
Start → 5K
23:23 | 7:32/mi
10K· 6.21 mi
47:38
Rank: #11481 (-1630)
5K → 10K
24:15 | 7:48/mi
15K· 9.32 mi
1:12:36
Rank: #12569 (-1088)
10K → 15K
24:58 | 8:02/mi
20K· 12.43 mi
1:37:27
Rank: #12774 (-205)
15K → 20K
24:51 | 8:00/mi
Half· 13.11 mi
1:42:46
Rank: #12760 (+14)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:02:03
Rank: #12657 (+103)
Half → 25K
19:17 | 7:57/mi
30K· 18.64 mi
2:27:26
Rank: #12538 (+119)
25K → 30K
25:23 | 8:10/mi
20M
2:39:18
Rank: #12753 (-215)
30K → 20M
11:52 | 8:44/mi
21M
2:48:02
Rank: #12676 (+77)
20M → 21M
8:44 | 8:44/mi
35K· 21.75 mi
2:54:18
Rank: #12730 (-54)
21M → 35K
6:16 | 8:23/mi
23M
3:05:06
Rank: #12823 (-93)
35K → 23M
10:48 | 8:38/mi
24M
3:13:42
Rank: #12914 (-91)
23M → 24M
8:36 | 8:36/mi
40K· 24.85 mi
3:21:09
Rank: #12969 (-55)
24M → 40K
7:27 | 8:43/mi
25.2M
3:24:25
Rank: #12996 (-27)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:33:05
Rank: #13077 (-81)
25.2M → Finish
8:40 | 8:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:46
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:50:19
Pace8:25 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4723:237:3223:23
7:32
-
10K
6.21 mi11:13:0247:387:4024:15
7:48
+0:16
15K
9.32 mi11:38:001:12:367:4724:58
8:02
+0:14
20K
12.43 mi12:02:511:37:277:5024:51
8:00
-0:02
Half
13.11 mi12:08:101:42:467:505:19
7:48
-0:12
25K
15.53 mi12:27:272:02:037:5119:17
7:57
+0:09
30K
18.64 mi12:52:502:27:267:5525:23
8:10
+0:13
20M
20.00 mi13:04:422:39:187:5811:52
8:44
+0:34
21M
21.00 mi13:13:262:48:028:008:44
8:44
0:00
35K
21.75 mi13:19:422:54:188:016:16
8:23
-0:21
23M
23.00 mi13:30:303:05:068:0310:48
8:38
+0:15
24M
24.00 mi13:39:063:13:428:048:36
8:36
-0:02
40K
24.85 mi13:46:333:21:098:067:27
8:43
+0:07
25.2M
25.20 mi13:49:493:24:258:073:16
9:28
+0:45
Finish
26.22 mi13:58:293:33:058:088:40
8:30
-0:58

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

7:32 /mi

Average Pace

8:08 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:03

57% of race

Time at Steady Pace

48:55

23% of race

Time at Slower Pace

42:07

20% of race

Average Pace: 8:08 /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 mi10:48:4723:237:3223:23
7:32
#9851
10K
6.21 mi11:13:0247:387:4024:15
7:48
#11481
15K
9.32 mi11:38:001:12:367:4724:58
8:02
#12569
20K
12.43 mi12:02:511:37:277:5024:51
8:00
#12774
Half
13.11 mi12:08:101:42:467:505:19
7:48
#12760
25K
15.53 mi12:27:272:02:037:5119:17
7:57
#12657
30K
18.64 mi12:52:502:27:267:5525:23
8:10
#12538
20M
20.00 mi13:04:422:39:187:5811:52
8:44
#12753
21M
21.00 mi13:13:262:48:028:008:44
8:44
#12676
35K
21.75 mi13:19:422:54:188:016:16
8:23
#12730
23M
23.00 mi13:30:303:05:068:0310:48
8:38
#12823
24M
24.00 mi13:39:063:13:428:048:36
8:36
#12914
40K
24.85 mi13:46:333:21:098:067:27
8:43
#12969
25.2M
25.20 mi13:49:493:24:258:073:16
9:28
#12996
Finish
26.22 mi13:58:293:33:058:088:40
8:30
#13077
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi98518057805714676(Top 55%)10163(Top 67%)10163(Top 495%)
10K6.21 mi3.10 mi11481-16308874-8178874-81713146(Top 49%)9615(Top 63%)9615(Top 469%)
15K9.32 mi3.11 mi12569-10889339-4659339-46514676(Top 55%)10163(Top 67%)10163(Top 495%)
20K12.43 mi3.11 mi12774-2059411-729411-7213398(Top 50%)9617(Top 63%)9617(Top 469%)
Half13.11 mi0.68 mi12760+149402+99402+912608(Top 47%)9333(Top 61%)9333(Top 455%)
25K15.53 mi2.42 mi12657+1039333+699333+6912328(Top 46%)9047(Top 60%)9047(Top 441%)
30K18.64 mi3.11 mi12538+1199244+899244+8912127(Top 46%)8855(Top 58%)8855(Top 432%)
20M20.00 mi1.36 mi12753-2159309-659309-6515099(Top 57%)10018(Top 66%)10018(Top 488%)
21M21.00 mi1.00 mi12676+779261+489261+4811821(Top 44%)8484(Top 56%)8484(Top 413%)
35K21.75 mi0.75 mi12730-549268-79268-714534(Top 55%)9652(Top 64%)9652(Top 470%)
23M23.00 mi1.25 mi12823-939285-179285-1713918(Top 52%)9332(Top 61%)9332(Top 455%)
24M24.00 mi1.00 mi12914-919302-179302-1715030(Top 56%)9761(Top 64%)9761(Top 476%)
40K24.85 mi0.85 mi12969-559295+79295+714551(Top 55%)9476(Top 62%)9476(Top 462%)
25.2M25.20 mi0.35 mi12996-279299-49299-414990(Top 56%)9666(Top 64%)9666(Top 471%)
Finish26.22 mi1.02 mi13077-819316-179316-1715426(Top 58%)9911(Top 65%)9911(Top 483%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14676

Males

10163

M50-54

10163

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

13146

Males

9615

M50-54

9615

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14676

Males

10163

M50-54

10163

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13398

Males

9617

M50-54

9617

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

12608

Males

9333

M50-54

9333

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

12328

Males

9047

M50-54

9047

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

12127

Males

8855

M50-54

8855

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

15099

Males

10018

M50-54

10018

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11821

Males

8484

M50-54

8484

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14534

Males

9652

M50-54

9652

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13918

Males

9332

M50-54

9332

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15030

Males

9761

M50-54

9761

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14551

Males

9476

M50-54

9476

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14990

Males

9666

M50-54

9666

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

15426

Males

9911

M50-54

9911

Passing Analysis

Category:
Athletes Passed
1061
Passed By
4285
Net Change
-3226
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9851
5K → 10K251653-1630#9851#11481
10K → 15K141102-1088#11481#12569
15K → 20K124329-205#12569#12774
20K → Half4026+14#12774#12760
Half → 25K19491+103#12760#12657
25K → 30K251132+119#12657#12538
30K → 20M48263-215#12538#12753
20M → 21M13154+77#12753#12676
21M → 35K3488-54#12676#12730
35K → 23M52145-93#12730#12823
23M → 24M43134-91#12823#12914
24M → 40K50105-55#12914#12969
40K → 25.2M1845-27#12969#12996
25.2M → Finish37118-81#12996#13077
TOTALS10614285-3226
📊

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