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BOSTON MARATHON 2025

Jose Castillo Melendez

Bib: 31141•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:39
Rank: #16044
Start → 5K
24:39 | 7:56/mi
10K· 6.21 mi
48:11
Rank: #14366 (+1678)
5K → 10K
23:32 | 7:34/mi
15K· 9.32 mi
1:12:14
Rank: #14195 (+171)
10K → 15K
24:03 | 7:44/mi
20K· 12.43 mi
1:36:37
Rank: #14037 (+158)
15K → 20K
24:23 | 7:51/mi
Half· 13.11 mi
1:41:58
Rank: #14060 (-23)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:01:52
Rank: #14264 (-204)
Half → 25K
19:54 | 8:12/mi
30K· 18.64 mi
2:29:05
Rank: #14711 (-447)
25K → 30K
27:13 | 8:46/mi
20M
2:42:31
Rank: #15325 (-614)
30K → 20M
13:26 | 9:53/mi
21M
2:56:13
Rank: #16650 (-1325)
20M → 21M
13:42 | 13:42/mi
35K· 21.75 mi
3:04:58
Rank: #17305 (-655)
21M → 35K
8:45 | 11:42/mi
23M
3:19:17
Rank: #18059 (-754)
35K → 23M
14:19 | 11:26/mi
24M
3:31:16
Rank: #18788 (-729)
23M → 24M
11:59 | 11:59/mi
40K· 24.85 mi
3:41:48
Rank: #19287 (-499)
24M → 40K
10:32 | 12:19/mi
25.2M
3:46:07
Rank: #19423 (-136)
40K → 25.2M
4:19 | 12:31/mi
Finish· 26.22 mi
3:56:49
Rank: #19709 (-286)
25.2M → Finish
10:42 | 10:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:58
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time2:14:51
Pace10:17 /mi
📊Positive Split: 32.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0724:397:5624:39
7:56
-
10K
6.21 mi12:12:3948:117:4523:32
7:34
-0:22
15K
9.32 mi12:36:421:12:147:4524:03
7:44
+0:10
20K
12.43 mi13:01:051:36:377:4624:23
7:51
+0:07
Half
13.11 mi13:06:261:41:587:475:21
7:50
-0:01
25K
15.53 mi13:26:202:01:527:5119:54
8:12
+0:22
30K
18.64 mi13:53:332:29:058:0027:13
8:46
+0:34
20M
20.00 mi14:06:592:42:318:0813:26
9:53
+1:07
21M
21.00 mi14:20:412:56:138:2313:42
13:42
+3:49
35K
21.75 mi14:29:263:04:588:308:45
11:42
-2:00
23M
23.00 mi14:43:453:19:178:4014:19
11:26
-0:16
24M
24.00 mi14:55:443:31:168:4811:59
11:59
+0:33
40K
24.85 mi15:06:163:41:488:5510:32
12:19
+0:20
25.2M
25.20 mi15:10:353:46:078:584:19
12:31
+0:12
Finish
26.22 mi15:21:173:56:499:0210:42
10:30
-2:01

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

7:34 /mi

Average Pace

9:02 /mi

Slowest Pace

13:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:05

63% of race

Time at Steady Pace

24:08

10% of race

Time at Slower Pace

1:03:36

27% of race

Average Pace: 9:02 /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 mi11:49:0724:397:5624:39
7:56
#16044
10K
6.21 mi12:12:3948:117:4523:32
7:34
#14366
15K
9.32 mi12:36:421:12:147:4524:03
7:44
#14195
20K
12.43 mi13:01:051:36:377:4624:23
7:51
#14037
Half
13.11 mi13:06:261:41:587:475:21
7:50
#14060
25K
15.53 mi13:26:202:01:527:5119:54
8:12
#14264
30K
18.64 mi13:53:332:29:058:0027:13
8:46
#14711
20M
20.00 mi14:06:592:42:318:0813:26
9:53
#15325
21M
21.00 mi14:20:412:56:138:2313:42
13:42
#16650
35K
21.75 mi14:29:263:04:588:308:45
11:42
#17305
23M
23.00 mi14:43:453:19:178:4014:19
11:26
#18059
24M
24.00 mi14:55:443:31:168:4811:59
11:59
#18788
40K
24.85 mi15:06:163:41:488:5510:32
12:19
#19287
25.2M
25.20 mi15:10:353:46:078:584:19
12:31
#19423
Finish
26.22 mi15:21:173:56:499:0210:42
10:30
#19709
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16044108311083113862(Top 49%)9893(Top 61%)9893(Top 175%)
10K6.21 mi3.10 mi14366+167810169+66210169+66212792(Top 45%)9513(Top 59%)9513(Top 169%)
15K9.32 mi3.11 mi14195+17110067+10210067+10213862(Top 49%)9893(Top 61%)9893(Top 175%)
20K12.43 mi3.11 mi14037+1589974+939974+9313659(Top 48%)9723(Top 60%)9723(Top 172%)
Half13.11 mi0.68 mi14060-239979-59979-514605(Top 51%)10186(Top 63%)10186(Top 181%)
25K15.53 mi2.42 mi14264-20410026-4710026-4715371(Top 54%)10399(Top 65%)10399(Top 184%)
30K18.64 mi3.11 mi14711-44710154-12810154-12816363(Top 58%)10653(Top 66%)10653(Top 189%)
20M20.00 mi1.36 mi15325-61410408-25410408-25420557(Top 72%)12387(Top 77%)12387(Top 220%)
21M21.00 mi1.00 mi16650-132510933-52510933-52525880(Top 91%)14829(Top 92%)14829(Top 263%)
35K21.75 mi0.75 mi17305-65511171-23811171-23825398(Top 89%)14533(Top 90%)14533(Top 258%)
23M23.00 mi1.25 mi18059-75411484-31311484-31324125(Top 85%)13897(Top 86%)13897(Top 246%)
24M24.00 mi1.00 mi18788-72911782-29811782-29825656(Top 90%)14623(Top 91%)14623(Top 259%)
40K24.85 mi0.85 mi19287-49911979-19711979-19725399(Top 89%)14465(Top 90%)14465(Top 256%)
25.2M25.20 mi0.35 mi19423-13612027-4812027-4824190(Top 85%)13853(Top 86%)13853(Top 246%)
Finish26.22 mi1.02 mi19709-28612132-10512132-10524273(Top 85%)13903(Top 86%)13903(Top 246%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13862

Males

9893

M18-39

9893

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12792

Males

9513

M18-39

9513

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13862

Males

9893

M18-39

9893

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

13659

Males

9723

M18-39

9723

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

14605

Males

10186

M18-39

10186

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

15371

Males

10399

M18-39

10399

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

16363

Males

10653

M18-39

10653

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

20557

Males

12387

M18-39

12387

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

25880

Males

14829

M18-39

14829

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

25398

Males

14533

M18-39

14533

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

24125

Males

13897

M18-39

13897

23M→24M

23.0 - 24.0 mi

Top 90%
×6stories
+12ft-82ft

Overall

25656

Males

14623

M18-39

14623

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25399

Males

14465

M18-39

14465

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24190

Males

13853

M18-39

13853

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

24273

Males

13903

M18-39

13903

Passing Analysis

Category:
Athletes Passed
2632
Passed By
6297
Net Change
-3665
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16044
5K → 10K169618+1678#16044#14366
10K → 15K293122+171#14366#14195
15K → 20K283125+158#14195#14037
20K → Half2649-23#14037#14060
Half → 25K113317-204#14060#14264
25K → 30K126573-447#14264#14711
30K → 20M29643-614#14711#15325
20M → 21M41329-1325#15325#16650
21M → 35K6661-655#16650#17305
35K → 23M16770-754#17305#18059
23M → 24M5734-729#18059#18788
24M → 40K15514-499#18788#19287
40K → 25.2M10146-136#19287#19423
25.2M → Finish10296-286#19423#19709
TOTALS26326297-3665
📊

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