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BOSTON MARATHON 2024

Steven Decastro

Bib: 5901•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 19%
Gender (Male)
#0 / 14578
Top 30%
Masters (Masters Men)
#0 / 9729
Top 18%
Division (M40-44)
#0 / 2009
Top 42%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:50
Rank: #4884
Start → 5K
20:50 | 6:42/mi
10K· 6.21 mi
41:47
Rank: #4760 (+124)
5K → 10K
20:57 | 6:45/mi
15K· 9.32 mi
1:03:00
Rank: #4823 (-63)
10K → 15K
21:13 | 6:50/mi
20K· 12.43 mi
1:24:42
Rank: #4879 (-56)
15K → 20K
21:42 | 6:59/mi
Half· 13.11 mi
1:29:27
Rank: #4928 (-49)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:47:08
Rank: #5080 (-152)
Half → 25K
17:41 | 7:18/mi
30K· 18.64 mi
2:10:58
Rank: #5152 (-72)
25K → 30K
23:50 | 7:40/mi
20M
2:21:49
Rank: #5199 (-47)
30K → 20M
10:51 | 7:59/mi
21M
2:30:15
Rank: #5146 (+53)
20M → 21M
8:26 | 8:26/mi
35K· 21.75 mi
2:36:11
Rank: #5168 (-22)
21M → 35K
5:56 | 7:56/mi
23M
2:46:12
Rank: #5098 (+70)
35K → 23M
10:01 | 8:00/mi
24M
2:54:10
Rank: #5085 (+13)
23M → 24M
7:58 | 7:58/mi
40K· 24.85 mi
3:00:56
Rank: #5009 (+76)
24M → 40K
6:46 | 7:55/mi
25.2M
3:03:58
Rank: #4971 (+38)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:11:39
Rank: #4954 (+17)
25.2M → Finish
7:41 | 7:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:27
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:42:12
Pace7:48 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1520:506:4220:50
6:42
-
10K
6.21 mi10:46:1241:476:4320:57
6:45
+0:03
15K
9.32 mi11:07:251:03:006:4621:13
6:50
+0:05
20K
12.43 mi11:29:071:24:426:4921:42
6:59
+0:09
Half
13.11 mi11:33:521:29:276:494:45
6:58
-0:01
25K
15.53 mi11:51:331:47:086:5417:41
7:18
+0:20
30K
18.64 mi12:15:232:10:587:0223:50
7:40
+0:22
20M
20.00 mi12:26:142:21:497:0510:51
7:59
+0:19
21M
21.00 mi12:34:402:30:157:098:26
8:26
+0:27
35K
21.75 mi12:40:362:36:117:115:56
7:56
-0:30
23M
23.00 mi12:50:372:46:127:1410:01
8:00
+0:04
24M
24.00 mi12:58:352:54:107:157:58
7:58
-0:02
40K
24.85 mi13:05:213:00:567:176:46
7:55
-0:03
25.2M
25.20 mi13:08:233:03:587:183:02
8:48
+0:53
Finish
26.22 mi13:16:043:11:397:197:41
7:32
-1:16

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

6:42 /mi

Average Pace

7:19 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:08

56% of race

Time at Steady Pace

52:11

27% of race

Time at Slower Pace

32:20

17% of race

Average Pace: 7:19 /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 mi10:25:1520:506:4220:50
6:42
#4884
10K
6.21 mi10:46:1241:476:4320:57
6:45
#4760
15K
9.32 mi11:07:251:03:006:4621:13
6:50
#4823
20K
12.43 mi11:29:071:24:426:4921:42
6:59
#4879
Half
13.11 mi11:33:521:29:276:494:45
6:58
#4928
25K
15.53 mi11:51:331:47:086:5417:41
7:18
#5080
30K
18.64 mi12:15:232:10:587:0223:50
7:40
#5152
20M
20.00 mi12:26:142:21:497:0510:51
7:59
#5199
21M
21.00 mi12:34:402:30:157:098:26
8:26
#5146
35K
21.75 mi12:40:362:36:117:115:56
7:56
#5168
23M
23.00 mi12:50:372:46:127:1410:01
8:00
#5098
24M
24.00 mi12:58:352:54:107:157:58
7:58
#5085
40K
24.85 mi13:05:213:00:567:176:46
7:55
#5009
25.2M
25.20 mi13:08:233:03:587:183:02
8:48
#4971
Finish
26.22 mi13:16:043:11:397:197:41
7:32
#4954
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4884453345335000(Top 20%)4604(Top 32%)4604(Top 229%)
10K6.21 mi3.10 mi4760+1244436+974436+974689(Top 18%)4359(Top 30%)4359(Top 217%)
15K9.32 mi3.11 mi4823-634480-444480-445000(Top 20%)4604(Top 32%)4604(Top 229%)
20K12.43 mi3.11 mi4879-564519-394519-395139(Top 20%)4687(Top 32%)4687(Top 233%)
Half13.11 mi0.68 mi4928-494560-414560-415485(Top 21%)4939(Top 34%)4939(Top 246%)
25K15.53 mi2.42 mi5080-1524655-954655-955776(Top 23%)5034(Top 35%)5034(Top 251%)
30K18.64 mi3.11 mi5152-724681-264681-265963(Top 23%)4988(Top 34%)4988(Top 248%)
20M20.00 mi1.36 mi5199-474691-104691-106647(Top 26%)5236(Top 36%)5236(Top 261%)
21M21.00 mi1.00 mi5146+534620+714620+715906(Top 23%)4631(Top 32%)4631(Top 231%)
35K21.75 mi0.75 mi5168-22462046207300(Top 29%)5376(Top 37%)5376(Top 268%)
23M23.00 mi1.25 mi5098+704536+844536+845737(Top 22%)4383(Top 30%)4383(Top 218%)
24M24.00 mi1.00 mi5085+134498+384498+386431(Top 25%)4681(Top 32%)4681(Top 233%)
40K24.85 mi0.85 mi5009+764417+814417+815341(Top 21%)3972(Top 27%)3972(Top 198%)
25.2M25.20 mi0.35 mi4971+384374+434374+435599(Top 22%)4044(Top 28%)4044(Top 201%)
Finish26.22 mi1.02 mi4954+174335+394335+395827(Top 23%)4245(Top 29%)4245(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5000

Males

4604

M40-44

4604

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4689

Males

4359

M40-44

4359

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5000

Males

4604

M40-44

4604

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5139

Males

4687

M40-44

4687

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5485

Males

4939

M40-44

4939

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

5776

Males

5034

M40-44

5034

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

5963

Males

4988

M40-44

4988

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6647

Males

5236

M40-44

5236

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

5906

Males

4631

M40-44

4631

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7300

Males

5376

M40-44

5376

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5737

Males

4383

M40-44

4383

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6431

Males

4681

M40-44

4681

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5341

Males

3972

M40-44

3972

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5599

Males

4044

M40-44

4044

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

5827

Males

4245

M40-44

4245

Passing Analysis

Category:
Athletes Passed
1525
Passed By
1595
Net Change
-70
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4884
5K → 10K254130+124#4884#4760
10K → 15K120183-63#4760#4823
15K → 20K155211-56#4823#4879
20K → Half1362-49#4879#4928
Half → 25K133285-152#4928#5080
25K → 30K155227-72#5080#5152
30K → 20M81128-47#5152#5199
20M → 21M11259+53#5199#5146
21M → 35K5678-22#5146#5168
35K → 23M13363+70#5168#5098
23M → 24M7764+13#5098#5085
24M → 40K11539+76#5085#5009
40K → 25.2M5315+38#5009#4971
25.2M → Finish6851+17#4971#4954
TOTALS15251595-70
📊

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