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BOSTON MARATHON 2023

Frederick Silva

Bib: 5833•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 28%
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
20:58
Rank: #4125
Start → 5K
20:58 | 6:45/mi
10K· 6.21 mi
41:36
Rank: #3930 (+195)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:01:52
Rank: #3466 (+464)
10K → 15K
20:16 | 6:31/mi
20K· 12.43 mi
1:22:24
Rank: #3311 (+155)
15K → 20K
20:32 | 6:37/mi
Half· 13.11 mi
1:26:55
Rank: #3320 (-9)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:43:53
Rank: #3658 (-338)
Half → 25K
16:58 | 7:00/mi
30K· 18.64 mi
2:05:53
Rank: #3881 (-223)
25K → 30K
22:00 | 7:05/mi
20M
2:15:50
Rank: #4069 (-188)
30K → 20M
9:57 | 7:19/mi
21M
2:23:32
Rank: #4181 (-112)
20M → 21M
7:42 | 7:42/mi
35K· 21.75 mi
2:28:47
Rank: #4229 (-48)
21M → 35K
5:15 | 7:01/mi
23M
2:37:59
Rank: #4347 (-118)
35K → 23M
9:12 | 7:21/mi
24M
2:45:05
Rank: #4402 (-55)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
2:51:25
Rank: #4460 (-58)
24M → 40K
6:20 | 7:24/mi
25.2M
2:54:09
Rank: #4472 (-12)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:01:35
Rank: #4533 (-61)
25.2M → Finish
7:26 | 7:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:55
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:34:40
Pace7:13 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5320:586:4520:58
6:45
-
10K
6.21 mi10:45:3141:366:4220:38
6:38
-0:07
15K
9.32 mi11:05:471:01:526:3820:16
6:31
-0:07
20K
12.43 mi11:26:191:22:246:3820:32
6:37
+0:06
Half
13.11 mi11:30:501:26:556:384:31
6:37
0:00
25K
15.53 mi11:47:481:43:536:4116:58
7:00
+0:23
30K
18.64 mi12:09:482:05:536:4522:00
7:05
+0:05
20M
20.00 mi12:19:452:15:506:479:57
7:19
+0:14
21M
21.00 mi12:27:272:23:326:507:42
7:42
+0:23
35K
21.75 mi12:32:422:28:476:505:15
7:01
-0:41
23M
23.00 mi12:41:542:37:596:529:12
7:21
+0:20
24M
24.00 mi12:49:002:45:056:537:06
7:06
-0:15
40K
24.85 mi12:55:202:51:256:546:20
7:24
+0:18
25.2M
25.20 mi12:58:042:54:096:552:44
7:56
+0:32
Finish
26.22 mi13:05:303:01:356:567:26
7:18
-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

6:31 /mi

Average Pace

6:56 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:55

48% of race

Time at Steady Pace

51:19

28% of race

Time at Slower Pace

43:21

24% of race

Average Pace: 6:56 /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 mi10:24:5320:586:4520:58
6:45
#4125
10K
6.21 mi10:45:3141:366:4220:38
6:38
#3930
15K
9.32 mi11:05:471:01:526:3820:16
6:31
#3466
20K
12.43 mi11:26:191:22:246:3820:32
6:37
#3311
Half
13.11 mi11:30:501:26:556:384:31
6:37
#3320
25K
15.53 mi11:47:481:43:536:4116:58
7:00
#3658
30K
18.64 mi12:09:482:05:536:4522:00
7:05
#3881
20M
20.00 mi12:19:452:15:506:479:57
7:19
#4069
21M
21.00 mi12:27:272:23:326:507:42
7:42
#4181
35K
21.75 mi12:32:422:28:476:505:15
7:01
#4229
23M
23.00 mi12:41:542:37:596:529:12
7:21
#4347
24M
24.00 mi12:49:002:45:056:537:06
7:06
#4402
40K
24.85 mi12:55:202:51:256:546:20
7:24
#4460
25.2M
25.20 mi12:58:042:54:096:552:44
7:56
#4472
Finish
26.22 mi13:05:303:01:356:567:26
7:18
#4533
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4125387038702781(Top 10%)2657(Top 18%)2657(Top 50%)
10K6.21 mi3.10 mi3930+1953700+1703700+1703816(Top 14%)3600(Top 24%)3600(Top 68%)
15K9.32 mi3.11 mi3466+4643284+4163284+4162781(Top 10%)2657(Top 18%)2657(Top 50%)
20K12.43 mi3.11 mi3311+1553148+1363148+1362925(Top 11%)2791(Top 18%)2791(Top 53%)
Half13.11 mi0.68 mi3320-93158-103158-103629(Top 14%)3437(Top 23%)3437(Top 65%)
25K15.53 mi2.42 mi3658-3383460-3023460-3025545(Top 21%)5100(Top 34%)5100(Top 96%)
30K18.64 mi3.11 mi3881-2233659-1993659-1994814(Top 18%)4436(Top 29%)4436(Top 84%)
20M20.00 mi1.36 mi4069-1883822-1633822-1635726(Top 22%)5086(Top 34%)5086(Top 96%)
21M21.00 mi1.00 mi4181-1123917-953917-955581(Top 21%)4882(Top 32%)4882(Top 92%)
35K21.75 mi0.75 mi4229-483957-403957-405397(Top 20%)4793(Top 32%)4793(Top 91%)
23M23.00 mi1.25 mi4347-1184063-1064063-1065535(Top 21%)4858(Top 32%)4858(Top 92%)
24M24.00 mi1.00 mi4402-554110-474110-475178(Top 19%)4551(Top 30%)4551(Top 86%)
40K24.85 mi0.85 mi4460-584160-504160-506086(Top 23%)5060(Top 33%)5060(Top 96%)
25.2M25.20 mi0.35 mi4472-124166-64166-65985(Top 22%)4916(Top 32%)4916(Top 93%)
Finish26.22 mi1.02 mi4533-614212-464212-467044(Top 26%)5583(Top 37%)5583(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2781

Males

2657

M18-39

2657

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3816

Males

3600

M18-39

3600

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2781

Males

2657

M18-39

2657

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2925

Males

2791

M18-39

2791

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3629

Males

3437

M18-39

3437

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5545

Males

5100

M18-39

5100

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4814

Males

4436

M18-39

4436

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5726

Males

5086

M18-39

5086

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5581

Males

4882

M18-39

4882

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5397

Males

4793

M18-39

4793

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5535

Males

4858

M18-39

4858

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5178

Males

4551

M18-39

4551

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6086

Males

5060

M18-39

5060

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5985

Males

4916

M18-39

4916

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7044

Males

5583

M18-39

5583

Passing Analysis

Category:
Athletes Passed
1296
Passed By
1704
Net Change
-408
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4125
5K → 10K340145+195#4125#3930
10K → 15K4728+464#3930#3466
15K → 20K17318+155#3466#3311
20K → Half1726-9#3311#3320
Half → 25K21359-338#3320#3658
25K → 30K43266-223#3658#3881
30K → 20M21209-188#3881#4069
20M → 21M44156-112#4069#4181
21M → 35K2068-48#4181#4229
35K → 23M40158-118#4229#4347
23M → 24M3691-55#4347#4402
24M → 40K2583-58#4402#4460
40K → 25.2M1527-12#4460#4472
25.2M → Finish2990-61#4472#4533
TOTALS12961704-408
📊

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