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BOSTON MARATHON 2023

David Castillo-Moreira

Bib: 4960•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 36%
Gender (Male)
#0 / 15176
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
19:33
Rank: #1415
Start → 5K
19:33 | 6:18/mi
10K· 6.21 mi
38:51
Rank: #1382 (+33)
5K → 10K
19:18 | 6:13/mi
15K· 9.32 mi
58:40
Rank: #1565 (-183)
10K → 15K
19:49 | 6:23/mi
20K· 12.43 mi
1:19:11
Rank: #1816 (-251)
15K → 20K
20:31 | 6:36/mi
Half· 13.11 mi
1:23:41
Rank: #1868 (-52)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:41:19
Rank: #2532 (-664)
Half → 25K
17:38 | 7:16/mi
30K· 18.64 mi
2:05:59
Rank: #3939 (-1407)
25K → 30K
24:40 | 7:56/mi
20M
2:18:48
Rank: #5291 (-1352)
30K → 20M
12:49 | 9:26/mi
21M
2:30:39
Rank: #6415 (-1124)
20M → 21M
11:51 | 11:51/mi
35K· 21.75 mi
2:38:08
Rank: #6960 (-545)
21M → 35K
7:29 | 10:00/mi
23M
2:50:25
Rank: #7756 (-796)
35K → 23M
12:17 | 9:49/mi
24M
2:59:47
Rank: #8340 (-584)
23M → 24M
9:22 | 9:22/mi
40K· 24.85 mi
3:08:30
Rank: #8952 (-612)
24M → 40K
8:43 | 10:12/mi
25.2M
3:11:54
Rank: #9087 (-135)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:21:51
Rank: #9678 (-591)
25.2M → Finish
9:57 | 9:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:41
Pace6:23 /mi
2nd Half
Distance13.11 mi
Time1:58:10
Pace9:01 /mi
📊Positive Split: 41.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3119:336:1819:33
6:18
-
10K
6.21 mi10:40:4938:516:1519:18
6:13
-0:05
15K
9.32 mi11:00:3858:406:1819:49
6:23
+0:10
20K
12.43 mi11:21:091:19:116:2220:31
6:36
+0:13
Half
13.11 mi11:25:391:23:416:234:30
6:36
0:00
25K
15.53 mi11:43:171:41:196:3117:38
7:16
+0:40
30K
18.64 mi12:07:572:05:596:4624:40
7:56
+0:40
20M
20.00 mi12:20:462:18:486:5612:49
9:26
+1:30
21M
21.00 mi12:32:372:30:397:1011:51
11:51
+2:25
35K
21.75 mi12:40:062:38:087:167:29
10:00
-1:51
23M
23.00 mi12:52:232:50:257:2512:17
9:49
-0:11
24M
24.00 mi13:01:452:59:477:299:22
9:22
-0:27
40K
24.85 mi13:10:283:08:307:358:43
10:12
+0:50
25.2M
25.20 mi13:13:523:11:547:373:24
9:52
-0:20
Finish
26.22 mi13:23:493:21:517:429:57
9:46
-0:06

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

6:13 /mi

Average Pace

7:42 /mi

Slowest Pace

11:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:59

62% of race

Time at Steady Pace

1:04:01

32% of race

Time at Slower Pace

11:51

6% of race

Average Pace: 7:42 /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 mi10:21:3119:336:1819:33
6:18
#1415
10K
6.21 mi10:40:4938:516:1519:18
6:13
#1382
15K
9.32 mi11:00:3858:406:1819:49
6:23
#1565
20K
12.43 mi11:21:091:19:116:2220:31
6:36
#1816
Half
13.11 mi11:25:391:23:416:234:30
6:36
#1868
25K
15.53 mi11:43:171:41:196:3117:38
7:16
#2532
30K
18.64 mi12:07:572:05:596:4624:40
7:56
#3939
20M
20.00 mi12:20:462:18:486:5612:49
9:26
#5291
21M
21.00 mi12:32:372:30:397:1011:51
11:51
#6415
35K
21.75 mi12:40:062:38:087:167:29
10:00
#6960
23M
23.00 mi12:52:232:50:257:2512:17
9:49
#7756
24M
24.00 mi13:01:452:59:477:299:22
9:22
#8340
40K
24.85 mi13:10:283:08:307:358:43
10:12
#8952
25.2M
25.20 mi13:13:523:11:547:373:24
9:52
#9087
Finish
26.22 mi13:23:493:21:517:429:57
9:46
#9678
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1415134513452000(Top 8%)1915(Top 13%)1915(Top 36%)
10K6.21 mi3.10 mi1382+331316+291316+291406(Top 5%)1341(Top 9%)1341(Top 25%)
15K9.32 mi3.11 mi1565-1831495-1791495-1792000(Top 8%)1915(Top 13%)1915(Top 36%)
20K12.43 mi3.11 mi1816-2511739-2441739-2442891(Top 11%)2759(Top 18%)2759(Top 52%)
Half13.11 mi0.68 mi1868-521789-501789-503467(Top 13%)3298(Top 22%)3298(Top 62%)
25K15.53 mi2.42 mi2532-6642424-6352424-6357121(Top 27%)6239(Top 41%)6239(Top 118%)
30K18.64 mi3.11 mi3939-14073711-12873711-128710418(Top 39%)8045(Top 53%)8045(Top 152%)
20M20.00 mi1.36 mi5291-13524885-11744885-117418569(Top 70%)11479(Top 76%)11479(Top 217%)
21M21.00 mi1.00 mi6415-11245753-8685753-86822489(Top 84%)13194(Top 87%)13194(Top 250%)
35K21.75 mi0.75 mi6960-5456155-4026155-40221248(Top 80%)12591(Top 83%)12591(Top 238%)
23M23.00 mi1.25 mi7756-7966655-5006655-50019445(Top 73%)11765(Top 78%)11765(Top 223%)
24M24.00 mi1.00 mi8340-5847003-3487003-34818693(Top 70%)11392(Top 75%)11392(Top 216%)
40K24.85 mi0.85 mi8952-6127347-3447347-34420454(Top 77%)12117(Top 80%)12117(Top 229%)
25.2M25.20 mi0.35 mi9087-1357418-717418-7116726(Top 63%)10412(Top 69%)10412(Top 197%)
Finish26.22 mi1.02 mi9678-5917709-2917709-29121006(Top 79%)12413(Top 82%)12413(Top 235%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2000

Males

1915

M18-39

1915

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1406

Males

1341

M18-39

1341

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2000

Males

1915

M18-39

1915

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2891

Males

2759

M18-39

2759

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3467

Males

3298

M18-39

3298

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7121

Males

6239

M18-39

6239

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10418

Males

8045

M18-39

8045

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

18569

Males

11479

M18-39

11479

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22489

Males

13194

M18-39

13194

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21248

Males

12591

M18-39

12591

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

19445

Males

11765

M18-39

11765

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18693

Males

11392

M18-39

11392

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20454

Males

12117

M18-39

12117

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16726

Males

10412

M18-39

10412

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

21006

Males

12413

M18-39

12413

Passing Analysis

Category:
Athletes Passed
141
Passed By
8404
Net Change
-8263
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1415
5K → 10K8754+33#1415#1382
10K → 15K11194-183#1382#1565
15K → 20K7258-251#1565#1816
20K → Half254-52#1816#1868
Half → 25K2666-664#1868#2532
25K → 30K11408-1407#2532#3939
30K → 20M21354-1352#3939#5291
20M → 21M11125-1124#5291#6415
21M → 35K0545-545#6415#6960
35K → 23M7803-796#6960#7756
23M → 24M9593-584#7756#8340
24M → 40K4616-612#8340#8952
40K → 25.2M7142-135#8952#9087
25.2M → Finish1592-591#9087#9678
TOTALS1418404-8263
📊

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