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BOSTON MARATHON 2023

Samuel Silveira

Bib: 8706•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 28%
Masters (Masters Men)
#0 / 9891
Top 14%
Division (M40-44)
#0 / 2241
Top 35%
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
6:43/mi
20:51
↑ 97↓ 3451.5%
10K· 6.21 mi
6:49/mi
42:03
↑ 79↓ 1380.4%
15K· 9.32 mi
6:49/mi
1:03:13
↑ 67↓ 78
20K· 12.43 mi
6:51/mi
1:24:30
↑ 106↓ 860.1%
Half· 13.11 mi
6:37/mi
1:29:01
↑ 19↓ 370.5%
25K· 15.53 mi
6:52/mi
1:45:40
↑ 66↓ 880.2%
30K· 18.64 mi
7:01/mi
2:07:27
↑ 181↓ 1480.2%
20M
7:05/mi
2:17:05
↑ 64↓ 500.2%
21M
7:25/mi
2:24:30
↑ 106↓ 241.6%
35K· 21.75 mi
7:02/mi
2:29:46
↑ 17↓ 861.7%
23M
7:08/mi
2:38:42
↑ 23↓ 630.6%
24M
7:13/mi
2:45:55
↓ 821.3%
40K· 24.85 mi
7:17/mi
2:52:09
↓ 200.3%
25.2M
7:47/mi
2:54:50
↑ 13↓ 160.2%
Finish· 26.22 mi
7:14/mi
3:02:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:01
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:33:11
Pace7:06 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1120:516:4320:51
6:43
-
10K
6.21 mi11:07:2342:036:4621:12
6:49
+0:06
15K
9.32 mi11:28:331:03:136:4721:10
6:49
0:00
20K
12.43 mi11:49:501:24:306:4821:17
6:51
+0:02
Half
13.11 mi11:54:211:29:016:474:31
6:37
-0:14
25K
15.53 mi12:11:001:45:406:4816:39
6:52
+0:15
30K
18.64 mi12:32:472:07:276:5021:47
7:01
+0:09
20M
20.00 mi12:42:252:17:056:519:38
7:05
+0:04
21M
21.00 mi12:49:502:24:306:537:25
7:25
+0:20
35K
21.75 mi12:55:062:29:466:535:16
7:02
-0:23
23M
23.00 mi13:04:022:38:426:548:56
7:08
+0:06
24M
24.00 mi13:11:152:45:556:557:13
7:13
+0:05
40K
24.85 mi13:17:292:52:096:566:14
7:17
+0:04
25.2M
25.20 mi13:20:102:54:506:562:41
7:47
+0:30
Finish
26.22 mi13:27:323:02:126:577:22
7:14
-0:33

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

6:37 /mi

Average Pace

6:57 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:52

91% of race

Time at Steady Pace

16:20

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:57 /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 mi10:46:1120:516:4320:51
6:43
#3774
10K
6.21 mi11:07:2342:036:4621:12
6:49
#4667
15K
9.32 mi11:28:331:03:136:4721:10
6:49
#4823
20K
12.43 mi11:49:501:24:306:4821:17
6:51
#4841
Half
13.11 mi11:54:211:29:016:474:31
6:37
#4761
25K
15.53 mi12:11:001:45:406:4816:39
6:52
#4723
30K
18.64 mi12:32:472:07:276:5021:47
7:01
#4643
20M
20.00 mi12:42:252:17:056:519:38
7:05
#4623
21M
21.00 mi12:49:502:24:306:537:25
7:25
#4594
35K
21.75 mi12:55:062:29:466:535:16
7:02
#4627
23M
23.00 mi13:04:022:38:426:548:56
7:08
#4586
24M
24.00 mi13:11:152:45:556:557:13
7:13
#4625
40K
24.85 mi13:17:292:52:096:566:14
7:17
#4644
25.2M
25.20 mi13:20:102:54:506:562:41
7:47
#4637
Finish
26.22 mi13:27:323:02:126:577:22
7:14
#4663
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3774354835485243(Top 20%)4847(Top 32%)4847(Top 216%)
10K6.21 mi3.10 mi4667-8934352-8044352-8045523(Top 21%)5083(Top 33%)5083(Top 227%)
15K9.32 mi3.11 mi4823-1564486-1344486-1345243(Top 20%)4847(Top 32%)4847(Top 216%)
20K12.43 mi3.11 mi4841-184508-224508-224914(Top 18%)4563(Top 30%)4563(Top 204%)
Half13.11 mi0.68 mi4761+804436+724436+723634(Top 14%)3442(Top 23%)3442(Top 154%)
25K15.53 mi2.42 mi4723+384400+364400+364713(Top 18%)4376(Top 29%)4376(Top 195%)
30K18.64 mi3.11 mi4643+804330+704330+704421(Top 17%)4104(Top 27%)4104(Top 183%)
20M20.00 mi1.36 mi4623+204310+204310+204552(Top 17%)4177(Top 28%)4177(Top 186%)
21M21.00 mi1.00 mi4594+294281+294281+294197(Top 16%)3849(Top 25%)3849(Top 172%)
35K21.75 mi0.75 mi4627-334310-294310-295519(Top 21%)4882(Top 32%)4882(Top 218%)
23M23.00 mi1.25 mi4586+414269+414269+414477(Top 17%)4063(Top 27%)4063(Top 181%)
24M24.00 mi1.00 mi4625-394306-374306-375803(Top 22%)4969(Top 33%)4969(Top 222%)
40K24.85 mi0.85 mi4644-194315-94315-95353(Top 20%)4583(Top 30%)4583(Top 205%)
25.2M25.20 mi0.35 mi4637+74306+94306+95235(Top 20%)4415(Top 29%)4415(Top 197%)
Finish26.22 mi1.02 mi4663-264316-104316-106593(Top 25%)5304(Top 35%)5304(Top 237%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5243

Males

4847

M40-44

4847

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5523

Males

5083

M40-44

5083

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5243

Males

4847

M40-44

4847

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

4914

Males

4563

M40-44

4563

20K→Half

12.4 - 13.1 mi

Top 14%
×2story building
+19ft-37ft

Overall

3634

Males

3442

M40-44

3442

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

4713

Males

4376

M40-44

4376

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4421

Males

4104

M40-44

4104

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4552

Males

4177

M40-44

4177

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4197

Males

3849

M40-44

3849

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5519

Males

4882

M40-44

4882

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4477

Males

4063

M40-44

4063

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5803

Males

4969

M40-44

4969

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5353

Males

4583

M40-44

4583

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5235

Males

4415

M40-44

4415

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6593

Males

5304

M40-44

5304

Passing Analysis

Category:
Athletes Passed
947
Passed By
1836
Net Change
-889
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3774
5K → 10K20913-893#3774#4667
10K → 15K64220-156#4667#4823
15K → 20K93111-18#4823#4841
20K → Half833+80#4841#4761
Half → 25K11981+38#4761#4723
25K → 30K16686+80#4723#4643
30K → 20M7757+20#4643#4623
20M → 21M7041+29#4623#4594
21M → 35K2962-33#4594#4627
35K → 23M8847+41#4627#4586
23M → 24M3574-39#4586#4625
24M → 40K3958-19#4625#4644
40K → 25.2M2518+7#4644#4637
25.2M → Finish3965-26#4637#4663
TOTALS9471836-889
📊

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