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BOSTON MARATHON 2025

Jean Castillo

Bib: 9618•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 40%
Masters (Masters Men)
#0 / 10463
Top 27%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:37
Rank: #7483
Start → 5K
21:37 | 6:57/mi
10K· 6.21 mi
43:07
Rank: #7424 (+59)
5K → 10K
21:30 | 6:55/mi
15K· 9.32 mi
1:04:46
Rank: #7426 (-2)
10K → 15K
21:39 | 6:58/mi
20K· 12.43 mi
1:26:44
Rank: #7356 (+70)
15K → 20K
21:58 | 7:04/mi
Half· 13.11 mi
1:31:28
Rank: #7335 (+21)
20K → Half
4:44 | 6:56/mi
25K· 15.53 mi
1:48:48
Rank: #7291 (+44)
Half → 25K
17:20 | 7:09/mi
30K· 18.64 mi
2:12:15
Rank: #7316 (-25)
25K → 30K
23:27 | 7:33/mi
20M
2:22:43
Rank: #7302 (+14)
30K → 20M
10:28 | 7:42/mi
21M
2:31:07
Rank: #7354 (-52)
20M → 21M
8:24 | 8:24/mi
35K· 21.75 mi
2:36:38
Rank: #7326 (+28)
21M → 35K
5:31 | 7:22/mi
23M
2:46:30
Rank: #7382 (-56)
35K → 23M
9:52 | 7:53/mi
24M
2:54:17
Rank: #7427 (-45)
23M → 24M
7:47 | 7:47/mi
40K· 24.85 mi
3:01:11
Rank: #7515 (-88)
24M → 40K
6:54 | 8:04/mi
25.2M
3:04:13
Rank: #7545 (-30)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:12:39
Rank: #7787 (-242)
25.2M → Finish
8:26 | 8:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:28
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:41:11
Pace7:43 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1021:376:5721:37
6:57
-
10K
6.21 mi11:08:4043:076:5621:30
6:55
-0:02
15K
9.32 mi11:30:191:04:466:5721:39
6:58
+0:03
20K
12.43 mi11:52:171:26:446:5921:58
7:04
+0:06
Half
13.11 mi11:57:011:31:286:594:44
6:56
-0:08
25K
15.53 mi12:14:211:48:487:0017:20
7:09
+0:13
30K
18.64 mi12:37:482:12:157:0623:27
7:33
+0:24
20M
20.00 mi12:48:162:22:437:0810:28
7:42
+0:09
21M
21.00 mi12:56:402:31:077:128:24
8:24
+0:42
35K
21.75 mi13:02:112:36:387:125:31
7:22
-1:02
23M
23.00 mi13:12:032:46:307:149:52
7:53
+0:31
24M
24.00 mi13:19:502:54:177:167:47
7:47
-0:06
40K
24.85 mi13:26:443:01:117:176:54
8:04
+0:17
25.2M
25.20 mi13:29:463:04:137:193:02
8:48
+0:44
Finish
26.22 mi13:38:123:12:397:218:26
8:17
-0:31

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

6:55 /mi

Average Pace

7:21 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:48

56% of race

Time at Steady Pace

47:13

25% of race

Time at Slower Pace

36:38

19% of race

Average Pace: 7:21 /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 mi10:47:1021:376:5721:37
6:57
#7483
10K
6.21 mi11:08:4043:076:5621:30
6:55
#7424
15K
9.32 mi11:30:191:04:466:5721:39
6:58
#7426
20K
12.43 mi11:52:171:26:446:5921:58
7:04
#7356
Half
13.11 mi11:57:011:31:286:594:44
6:56
#7335
25K
15.53 mi12:14:211:48:487:0017:20
7:09
#7291
30K
18.64 mi12:37:482:12:157:0623:27
7:33
#7316
20M
20.00 mi12:48:162:22:437:0810:28
7:42
#7302
21M
21.00 mi12:56:402:31:077:128:24
8:24
#7354
35K
21.75 mi13:02:112:36:387:125:31
7:22
#7326
23M
23.00 mi13:12:032:46:307:149:52
7:53
#7382
24M
24.00 mi13:19:502:54:177:167:47
7:47
#7427
40K
24.85 mi13:26:443:01:117:176:54
8:04
#7515
25.2M
25.20 mi13:29:463:04:137:193:02
8:48
#7545
Finish
26.22 mi13:38:123:12:397:218:26
8:17
#7787
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7483665866587431(Top 26%)6563(Top 41%)6563(Top 292%)
10K6.21 mi3.10 mi7424+596603+556603+557389(Top 26%)6566(Top 41%)6566(Top 292%)
15K9.32 mi3.11 mi7426-26594+96594+97431(Top 26%)6563(Top 41%)6563(Top 292%)
20K12.43 mi3.11 mi7356+706526+686526+687330(Top 26%)6446(Top 40%)6446(Top 287%)
Half13.11 mi0.68 mi7335+216513+136513+137151(Top 25%)6328(Top 39%)6328(Top 282%)
25K15.53 mi2.42 mi7291+446461+526461+527260(Top 26%)6294(Top 39%)6294(Top 280%)
30K18.64 mi3.11 mi7316-256435+266435+268075(Top 28%)6632(Top 41%)6632(Top 295%)
20M20.00 mi1.36 mi7302+146392+436392+438338(Top 29%)6631(Top 41%)6631(Top 295%)
21M21.00 mi1.00 mi7354-526394-26394-29812(Top 35%)7256(Top 45%)7256(Top 323%)
35K21.75 mi0.75 mi7326+286346+486346+487693(Top 27%)6110(Top 38%)6110(Top 272%)
23M23.00 mi1.25 mi7382-566347-16347-19114(Top 32%)6772(Top 42%)6772(Top 301%)
24M24.00 mi1.00 mi7427-456340+76340+79651(Top 34%)6983(Top 43%)6983(Top 311%)
40K24.85 mi0.85 mi7515-886361-216361-2110641(Top 37%)7369(Top 46%)7369(Top 328%)
25.2M25.20 mi0.35 mi7545-306367-66367-610506(Top 37%)7198(Top 45%)7198(Top 320%)
Finish26.22 mi1.02 mi7787-2426496-1296496-12914728(Top 52%)9348(Top 58%)9348(Top 416%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7431

Males

6563

M40-44

6563

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7389

Males

6566

M40-44

6566

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7431

Males

6563

M40-44

6563

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7330

Males

6446

M40-44

6446

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7151

Males

6328

M40-44

6328

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7260

Males

6294

M40-44

6294

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

8075

Males

6632

M40-44

6632

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8338

Males

6631

M40-44

6631

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9812

Males

7256

M40-44

7256

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7693

Males

6110

M40-44

6110

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

9114

Males

6772

M40-44

6772

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9651

Males

6983

M40-44

6983

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10641

Males

7369

M40-44

7369

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10506

Males

7198

M40-44

7198

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

14728

Males

9348

M40-44

9348

Passing Analysis

Category:
Athletes Passed
1304
Passed By
1608
Net Change
-304
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7483
5K → 10K226167+59#7483#7424
10K → 15K145147-2#7424#7426
15K → 20K15484+70#7426#7356
20K → Half3514+21#7356#7335
Half → 25K13187+44#7335#7291
25K → 30K171196-25#7291#7316
30K → 20M10591+14#7316#7302
20M → 21M68120-52#7302#7354
21M → 35K6537+28#7354#7326
35K → 23M71127-56#7326#7382
23M → 24M5398-45#7382#7427
24M → 40K46134-88#7427#7515
40K → 25.2M2353-30#7515#7545
25.2M → Finish11253-242#7545#7787
TOTALS13041608-304
📊

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