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BOSTON MARATHON 2024

Ariel Castro

Bib: 5452•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 21%
Gender (Male)
#0 / 14578
Top 32%
Masters (Masters Men)
#0 / 9729
Top 20%
Division (M40-44)
#0 / 2009
Top 45%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:03
Rank: #3047
Start → 5K
20:03 | 6:27/mi
10K· 6.21 mi
40:29
Rank: #3257 (-210)
5K → 10K
20:26 | 6:35/mi
15K· 9.32 mi
1:00:48
Rank: #3114 (+143)
10K → 15K
20:19 | 6:32/mi
20K· 12.43 mi
1:22:01
Rank: #3273 (-159)
15K → 20K
21:13 | 6:50/mi
Half· 13.11 mi
1:26:41
Rank: #3347 (-74)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:44:20
Rank: #3774 (-427)
Half → 25K
17:39 | 7:17/mi
30K· 18.64 mi
2:09:30
Rank: #4711 (-937)
25K → 30K
25:10 | 8:06/mi
20M
2:22:30
Rank: #5387 (-676)
30K → 20M
13:00 | 9:34/mi
21M
2:31:36
Rank: #5497 (-110)
20M → 21M
9:06 | 9:06/mi
35K· 21.75 mi
2:37:21
Rank: #5464 (+33)
21M → 35K
5:45 | 7:41/mi
23M
2:47:25
Rank: #5392 (+72)
35K → 23M
10:04 | 8:02/mi
24M
2:55:19
Rank: #5344 (+48)
23M → 24M
7:54 | 7:54/mi
40K· 24.85 mi
3:02:10
Rank: #5285 (+59)
24M → 40K
6:51 | 8:01/mi
25.2M
3:05:28
Rank: #5324 (-39)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:13:32
Rank: #5355 (-31)
25.2M → Finish
8:04 | 7:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:41
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:46:51
Pace8:09 /mi
📊Positive Split: 23.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1520:036:2720:03
6:27
-
10K
6.21 mi10:43:4140:296:3120:26
6:35
+0:08
15K
9.32 mi11:04:001:00:486:3120:19
6:32
-0:03
20K
12.43 mi11:25:131:22:016:3621:13
6:50
+0:18
Half
13.11 mi11:29:531:26:416:374:40
6:50
0:00
25K
15.53 mi11:47:321:44:206:4317:39
7:17
+0:27
30K
18.64 mi12:12:422:09:306:5725:10
8:06
+0:49
20M
20.00 mi12:25:422:22:307:0713:00
9:34
+1:28
21M
21.00 mi12:34:482:31:367:139:06
9:06
-0:28
35K
21.75 mi12:40:332:37:217:145:45
7:41
-1:25
23M
23.00 mi12:50:372:47:257:1710:04
8:02
+0:21
24M
24.00 mi12:58:312:55:197:187:54
7:54
-0:08
40K
24.85 mi13:05:223:02:107:206:51
8:01
+0:07
25.2M
25.20 mi13:08:403:05:287:223:18
9:34
+1:33
Finish
26.22 mi13:16:443:13:327:238:04
7:55
-1:39

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

6:27 /mi

Average Pace

7:23 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:20

54% of race

Time at Steady Pace

1:03:48

33% of race

Time at Slower Pace

25:24

13% of race

Average Pace: 7:23 /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 mi10:23:1520:036:2720:03
6:27
#3047
10K
6.21 mi10:43:4140:296:3120:26
6:35
#3257
15K
9.32 mi11:04:001:00:486:3120:19
6:32
#3114
20K
12.43 mi11:25:131:22:016:3621:13
6:50
#3273
Half
13.11 mi11:29:531:26:416:374:40
6:50
#3347
25K
15.53 mi11:47:321:44:206:4317:39
7:17
#3774
30K
18.64 mi12:12:422:09:306:5725:10
8:06
#4711
20M
20.00 mi12:25:422:22:307:0713:00
9:34
#5387
21M
21.00 mi12:34:482:31:367:139:06
9:06
#5497
35K
21.75 mi12:40:332:37:217:145:45
7:41
#5464
23M
23.00 mi12:50:372:47:257:1710:04
8:02
#5392
24M
24.00 mi12:58:312:55:197:187:54
7:54
#5344
40K
24.85 mi13:05:223:02:107:206:51
8:01
#5285
25.2M
25.20 mi13:08:403:05:287:223:18
9:34
#5324
Finish
26.22 mi13:16:443:13:327:238:04
7:55
#5355
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3047291129112929(Top 11%)2794(Top 19%)2794(Top 139%)
10K6.21 mi3.10 mi3257-2103104-1933104-1933465(Top 14%)3290(Top 23%)3290(Top 164%)
15K9.32 mi3.11 mi3114+1432968+1362968+1362929(Top 11%)2794(Top 19%)2794(Top 139%)
20K12.43 mi3.11 mi3273-1593115-1473115-1474099(Top 16%)3826(Top 26%)3826(Top 190%)
Half13.11 mi0.68 mi3347-743183-683183-684805(Top 19%)4416(Top 30%)4416(Top 220%)
25K15.53 mi2.42 mi3774-4273564-3813564-3815699(Top 22%)4985(Top 34%)4985(Top 248%)
30K18.64 mi3.11 mi4711-9374329-7654329-7658442(Top 33%)6465(Top 44%)6465(Top 322%)
20M20.00 mi1.36 mi5387-6764828-4994828-49914773(Top 58%)9197(Top 63%)9197(Top 458%)
21M21.00 mi1.00 mi5497-1104874-464874-469002(Top 35%)6275(Top 43%)6275(Top 312%)
35K21.75 mi0.75 mi5464+334828+464828+466000(Top 23%)4682(Top 32%)4682(Top 233%)
23M23.00 mi1.25 mi5392+724740+884740+885932(Top 23%)4493(Top 31%)4493(Top 224%)
24M24.00 mi1.00 mi5344+484683+574683+576068(Top 24%)4488(Top 31%)4488(Top 223%)
40K24.85 mi0.85 mi5285+594611+724611+725839(Top 23%)4233(Top 29%)4233(Top 211%)
25.2M25.20 mi0.35 mi5324-394627-164627-168949(Top 35%)5785(Top 40%)5785(Top 288%)
Finish26.22 mi1.02 mi5355-314619+84619+88001(Top 31%)5393(Top 37%)5393(Top 268%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2929

Males

2794

M40-44

2794

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3465

Males

3290

M40-44

3290

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2929

Males

2794

M40-44

2794

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4099

Males

3826

M40-44

3826

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

4805

Males

4416

M40-44

4416

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5699

Males

4985

M40-44

4985

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8442

Males

6465

M40-44

6465

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

14773

Males

9197

M40-44

9197

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9002

Males

6275

M40-44

6275

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6000

Males

4682

M40-44

4682

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

5932

Males

4493

M40-44

4493

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6068

Males

4488

M40-44

4488

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

5839

Males

4233

M40-44

4233

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

8949

Males

5785

M40-44

5785

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8001

Males

5393

M40-44

5393

Passing Analysis

Category:
Athletes Passed
972
Passed By
3280
Net Change
-2308
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3047
5K → 10K62272-210#3047#3257
10K → 15K18946+143#3257#3114
15K → 20K55214-159#3114#3273
20K → Half781-74#3273#3347
Half → 25K44471-427#3347#3774
25K → 30K40977-937#3774#4711
30K → 20M17693-676#4711#5387
20M → 21M55165-110#5387#5497
21M → 35K7643+33#5497#5464
35K → 23M13664+72#5464#5392
23M → 24M9951+48#5392#5344
24M → 40K10142+59#5344#5285
40K → 25.2M2160-39#5285#5324
25.2M → Finish70101-31#5324#5355
TOTALS9723280-2308
📊

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