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BOSTON MARATHON 2023

Cecil Silva

Bib: 30755•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:34
Rank: #22138
Start → 5K
29:34 | 9:31/mi
10K· 6.21 mi
57:21
Rank: #21499 (+639)
5K → 10K
27:47 | 8:57/mi
15K· 9.32 mi
1:24:33
Rank: #20897 (+602)
10K → 15K
27:12 | 8:45/mi
20K· 12.43 mi
1:53:27
Rank: #20908 (-11)
15K → 20K
28:54 | 9:18/mi
Half· 13.11 mi
2:00:01
Rank: #21016 (-108)
20K → Half
6:34 | 9:37/mi
25K· 15.53 mi
2:26:39
Rank: #21694 (-678)
Half → 25K
26:38 | 10:59/mi
30K· 18.64 mi
3:04:04
Rank: #22502 (-808)
25K → 30K
37:25 | 12:03/mi
20M
3:21:07
Rank: #22754 (-252)
30K → 20M
17:03 | 12:33/mi
21M
3:35:11
Rank: #22981 (-227)
20M → 21M
14:04 | 14:04/mi
35K· 21.75 mi
3:43:24
Rank: #22992 (-11)
21M → 35K
8:13 | 10:59/mi
23M
3:59:00
Rank: #23119 (-127)
35K → 23M
15:36 | 12:28/mi
24M
4:10:56
Rank: #23190 (-71)
23M → 24M
11:56 | 11:56/mi
40K· 24.85 mi
4:21:41
Rank: #23282 (-92)
24M → 40K
10:45 | 12:34/mi
25.2M
4:26:21
Rank: #23303 (-21)
40K → 25.2M
4:40 | 13:32/mi
Finish· 26.22 mi
4:37:00
Rank: #23293 (+10)
25.2M → Finish
10:39 | 10:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:01
Pace9:09 /mi
2nd Half
Distance13.11 mi
Time2:36:59
Pace11:59 /mi
📊Positive Split: 30.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5029:349:3129:34
9:31
-
10K
6.21 mi12:16:3757:219:1427:47
8:57
-0:34
15K
9.32 mi12:43:491:24:339:0427:12
8:45
-0:12
20K
12.43 mi13:12:431:53:279:0828:54
9:18
+0:33
Half
13.11 mi13:19:172:00:019:096:34
9:37
+0:19
25K
15.53 mi13:45:552:26:399:2626:38
10:59
+1:22
30K
18.64 mi14:23:203:04:049:5237:25
12:03
+1:04
20M
20.00 mi14:40:233:21:0710:0317:03
12:33
+0:30
21M
21.00 mi14:54:273:35:1110:1514:04
14:04
+1:31
35K
21.75 mi15:02:403:43:2410:168:13
10:59
-3:05
23M
23.00 mi15:18:163:59:0010:2315:36
12:28
+1:29
24M
24.00 mi15:30:124:10:5610:2711:56
11:56
-0:32
40K
24.85 mi15:40:574:21:4110:3210:45
12:34
+0:38
25.2M
25.20 mi15:45:374:26:2110:344:40
13:32
+0:58
Finish
26.22 mi15:56:164:37:0010:3410:39
10:27
-3:05

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

8:45 /mi

Average Pace

10:34 /mi

Slowest Pace

14:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:01

43% of race

Time at Steady Pace

45:30

16% of race

Time at Slower Pace

1:51:29

40% of race

Average Pace: 10:34 /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 mi11:48:5029:349:3129:34
9:31
#22138
10K
6.21 mi12:16:3757:219:1427:47
8:57
#21499
15K
9.32 mi12:43:491:24:339:0427:12
8:45
#20897
20K
12.43 mi13:12:431:53:279:0828:54
9:18
#20908
Half
13.11 mi13:19:172:00:019:096:34
9:37
#21016
25K
15.53 mi13:45:552:26:399:2626:38
10:59
#21694
30K
18.64 mi14:23:203:04:049:5237:25
12:03
#22502
20M
20.00 mi14:40:233:21:0710:0317:03
12:33
#22754
21M
21.00 mi14:54:273:35:1110:1514:04
14:04
#22981
35K
21.75 mi15:02:403:43:2410:168:13
10:59
#22992
23M
23.00 mi15:18:163:59:0010:2315:36
12:28
#23119
24M
24.00 mi15:30:124:10:5610:2711:56
11:56
#23190
40K
24.85 mi15:40:574:21:4110:3210:45
12:34
#23282
25.2M
25.20 mi15:45:374:26:2110:344:40
13:32
#23303
Finish
26.22 mi15:56:164:37:0010:3410:39
10:27
#23293
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi22138131731317319263(Top 72%)11997(Top 79%)11997(Top 535%)
10K6.21 mi3.10 mi21499+63912899+27412899+27420652(Top 78%)12567(Top 83%)12567(Top 561%)
15K9.32 mi3.11 mi20897+60212648+25112648+25119263(Top 72%)11997(Top 79%)11997(Top 535%)
20K12.43 mi3.11 mi20908-1112666-1812666-1820973(Top 79%)12734(Top 84%)12734(Top 568%)
Half13.11 mi0.68 mi21016-10812719-5312719-5322450(Top 84%)13391(Top 88%)13391(Top 598%)
25K15.53 mi2.42 mi21694-67813022-30313022-30323949(Top 90%)13997(Top 92%)13997(Top 625%)
30K18.64 mi3.11 mi22502-80813355-33313355-33324547(Top 92%)14218(Top 94%)14218(Top 634%)
20M20.00 mi1.36 mi22754-25213468-11313468-11324792(Top 93%)14273(Top 94%)14273(Top 637%)
21M21.00 mi1.00 mi22981-22713564-9613564-9625084(Top 94%)14407(Top 95%)14407(Top 643%)
35K21.75 mi0.75 mi22992-1113562+213562+223275(Top 87%)13509(Top 89%)13509(Top 603%)
23M23.00 mi1.25 mi23119-12713613-5113613-5124530(Top 92%)14101(Top 93%)14101(Top 629%)
24M24.00 mi1.00 mi23190-7113641-2813641-2824429(Top 92%)14014(Top 92%)14014(Top 625%)
40K24.85 mi0.85 mi23282-9213679-3813679-3824517(Top 92%)14052(Top 93%)14052(Top 627%)
25.2M25.20 mi0.35 mi23303-21136791367924539(Top 92%)14058(Top 93%)14058(Top 627%)
Finish26.22 mi1.02 mi23293+1013666+1313666+1322904(Top 86%)13280(Top 88%)13280(Top 593%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

19263

Males

11997

M40-44

11997

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

20652

Males

12567

M40-44

12567

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

19263

Males

11997

M40-44

11997

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

20973

Males

12734

M40-44

12734

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

22450

Males

13391

M40-44

13391

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

23949

Males

13997

M40-44

13997

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

24547

Males

14218

M40-44

14218

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

24792

Males

14273

M40-44

14273

20M→21M

20.0 - 21.0 mi

Top 94%
×8stories
+106ft-24ft

Overall

25084

Males

14407

M40-44

14407

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23275

Males

13509

M40-44

13509

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24530

Males

14101

M40-44

14101

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24429

Males

14014

M40-44

14014

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24517

Males

14052

M40-44

14052

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24539

Males

14058

M40-44

14058

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

22904

Males

13280

M40-44

13280

Passing Analysis

Category:
Athletes Passed
1665
Passed By
2820
Net Change
-1155
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22138
5K → 10K68849+639#22138#21499
10K → 15K62018+602#21499#20897
15K → 20K160171-11#20897#20908
20K → Half9117-108#20908#21016
Half → 25K10688-678#21016#21694
25K → 30K19827-808#21694#22502
30K → 20M10262-252#22502#22754
20M → 21M9236-227#22754#22981
21M → 35K2435-11#22981#22992
35K → 23M27154-127#22992#23119
23M → 24M1586-71#23119#23190
24M → 40K19111-92#23190#23282
40K → 25.2M1334-21#23282#23303
25.2M → Finish4232+10#23303#23293
TOTALS16652820-1155
📊

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