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BOSTON MARATHON 2024

David Castro

Bib: 25862•M

NC

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
37:30
Rank: #25437
Start → 5K
37:30 | 12:04/mi
10K· 6.21 mi
1:15:37
Rank: #25366 (+71)
5K → 10K
38:07 | 12:16/mi
15K· 9.32 mi
1:55:48
Rank: #25358 (+8)
10K → 15K
40:11 | 12:56/mi
20K· 12.43 mi
2:37:02
Rank: #25322 (+36)
15K → 20K
41:14 | 13:16/mi
Half· 13.11 mi
2:46:00
Rank: #25330 (-8)
20K → Half
8:58 | 13:09/mi
25K· 15.53 mi
3:21:04
Rank: #25330
Half → 25K
35:04 | 14:28/mi
30K· 18.64 mi
4:10:17
Rank: #25378 (-48)
25K → 30K
49:13 | 15:50/mi
20M
4:31:55
Rank: #25397 (-19)
30K → 20M
21:38 | 15:55/mi
21M
4:49:47
Rank: #25430 (-33)
20M → 21M
17:52 | 17:52/mi
35K· 21.75 mi
5:00:50
Rank: #25432 (-2)
21M → 35K
11:03 | 14:46/mi
23M
5:20:27
Rank: #25452 (-20)
35K → 23M
19:37 | 15:40/mi
24M
5:36:22
Rank: #25484 (-32)
23M → 24M
15:55 | 15:55/mi
40K· 24.85 mi
5:50:58
Rank: #25496 (-12)
24M → 40K
14:36 | 17:05/mi
25.2M
5:57:12
Rank: #25500 (-4)
40K → 25.2M
6:14 | 18:04/mi
Finish· 26.22 mi
6:11:19
Rank: #25503 (-3)
25.2M → Finish
14:07 | 13:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:46:00
Pace12:40 /mi
2nd Half
Distance13.11 mi
Time3:25:19
Pace15:40 /mi
📊Positive Split: 23.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4537:3012:0437:30
12:04
-
10K
6.21 mi12:31:521:15:3712:1038:07
12:16
+0:12
15K
9.32 mi13:12:031:55:4812:2540:11
12:56
+0:40
20K
12.43 mi13:53:172:37:0212:3841:14
13:16
+0:20
Half
13.11 mi14:02:152:46:0012:408:58
13:09
-0:07
25K
15.53 mi14:37:193:21:0412:5735:04
14:28
+1:19
30K
18.64 mi15:26:324:10:1713:2649:13
15:50
+1:22
20M
20.00 mi15:48:104:31:5513:3621:38
15:55
+0:05
21M
21.00 mi16:06:024:49:4713:4817:52
17:52
+1:57
35K
21.75 mi16:17:055:00:5013:5011:03
14:46
-3:06
23M
23.00 mi16:36:425:20:2713:5619:37
15:40
+0:54
24M
24.00 mi16:52:375:36:2214:0115:55
15:55
+0:15
40K
24.85 mi17:07:135:50:5814:0714:36
17:05
+1:10
25.2M
25.20 mi17:13:275:57:1214:106:14
18:04
+0:59
Finish
26.22 mi17:27:346:11:1914:1014:07
13:51
-4:13

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

12:04 /mi

Average Pace

14:10 /mi

Slowest Pace

18:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:00

45% of race

Time at Steady Pace

1:19:51

22% of race

Time at Slower Pace

2:05:28

34% of race

Average Pace: 14:10 /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 mi11:53:4537:3012:0437:30
12:04
#25437
10K
6.21 mi12:31:521:15:3712:1038:07
12:16
#25366
15K
9.32 mi13:12:031:55:4812:2540:11
12:56
#25358
20K
12.43 mi13:53:172:37:0212:3841:14
13:16
#25322
Half
13.11 mi14:02:152:46:0012:408:58
13:09
#25330
25K
15.53 mi14:37:193:21:0412:5735:04
14:28
#25330
30K
18.64 mi15:26:324:10:1713:2649:13
15:50
#25378
20M
20.00 mi15:48:104:31:5513:3621:38
15:55
#25397
21M
21.00 mi16:06:024:49:4713:4817:52
17:52
#25430
35K
21.75 mi16:17:055:00:5013:5011:03
14:46
#25432
23M
23.00 mi16:36:425:20:2713:5619:37
15:40
#25452
24M
24.00 mi16:52:375:36:2214:0115:55
15:55
#25484
40K
24.85 mi17:07:135:50:5814:0714:36
17:05
#25496
25.2M
25.20 mi17:13:275:57:1214:106:14
18:04
#25500
Finish
26.22 mi17:27:346:11:1914:1014:07
13:51
#25503
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25437145361453625266(Top 99%)14481(Top 99%)14481(Top 299%)
10K6.21 mi3.10 mi25366+7114507+2914507+2925254(Top 99%)14476(Top 99%)14476(Top 299%)
15K9.32 mi3.11 mi25358+8145071450725266(Top 99%)14481(Top 99%)14481(Top 299%)
20K12.43 mi3.11 mi25322+3614496+1114496+1125044(Top 98%)14374(Top 99%)14374(Top 296%)
Half13.11 mi0.68 mi25330-814498-214498-225216(Top 99%)14417(Top 99%)14417(Top 297%)
25K15.53 mi2.42 mi25330144981449825152(Top 98%)14391(Top 99%)14391(Top 297%)
30K18.64 mi3.11 mi25378-4814507-914507-925286(Top 99%)14419(Top 99%)14419(Top 297%)
20M20.00 mi1.36 mi25397-1914514-714514-725166(Top 98%)14339(Top 98%)14339(Top 296%)
21M21.00 mi1.00 mi25430-3314523-914523-925259(Top 99%)14385(Top 99%)14385(Top 297%)
35K21.75 mi0.75 mi25432-214524-114524-124776(Top 97%)14083(Top 97%)14083(Top 290%)
23M23.00 mi1.25 mi25452-2014529-514529-524975(Top 98%)14199(Top 97%)14199(Top 293%)
24M24.00 mi1.00 mi25484-3214542-1314542-1325120(Top 98%)14264(Top 98%)14264(Top 294%)
40K24.85 mi0.85 mi25496-1214545-314545-325230(Top 99%)14347(Top 98%)14347(Top 296%)
25.2M25.20 mi0.35 mi25500-414546-114546-125045(Top 98%)14234(Top 98%)14234(Top 294%)
Finish26.22 mi1.02 mi25503-314545+114545+124871(Top 97%)14090(Top 97%)14090(Top 291%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

25266

Males

14481

M18-39

14481

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

25254

Males

14476

M18-39

14476

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

25266

Males

14481

M18-39

14481

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

25044

Males

14374

M18-39

14374

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

25216

Males

14417

M18-39

14417

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

25152

Males

14391

M18-39

14391

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

25286

Males

14419

M18-39

14419

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

25166

Males

14339

M18-39

14339

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

25259

Males

14385

M18-39

14385

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

24776

Males

14083

M18-39

14083

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

24975

Males

14199

M18-39

14199

23M→24M

23.0 - 24.0 mi

Top 98%
×6stories
+12ft-82ft

Overall

25120

Males

14264

M18-39

14264

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

25230

Males

14347

M18-39

14347

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

25045

Males

14234

M18-39

14234

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

24871

Males

14090

M18-39

14090

Passing Analysis

Category:
Athletes Passed
240
Passed By
306
Net Change
-66
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25437
5K → 10K8211+71#25437#25366
10K → 15K3729+8#25366#25358
15K → 20K5317+36#25358#25322
20K → Half412-8#25322#25330
Half → 25K17170#25330#25330
25K → 30K1866-48#25330#25378
30K → 20M1029-19#25378#25397
20M → 21M437-33#25397#25430
21M → 35K79-2#25430#25432
35K → 23M424-20#25432#25452
23M → 24M133-32#25452#25484
24M → 40K012-12#25484#25496
40K → 25.2M15-4#25496#25500
25.2M → Finish25-3#25500#25503
TOTALS240306-66
📊

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