Boston Marathon logo
BOSTON MARATHON 2025

Adam Castoreno

Bib: 29212•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:22
Rank: #22951
Start → 5K
28:22 | 9:08/mi
10K· 6.21 mi
55:53
Rank: #22397 (+554)
5K → 10K
27:31 | 8:51/mi
15K· 9.32 mi
1:23:22
Rank: #22041 (+356)
10K → 15K
27:29 | 8:51/mi
20K· 12.43 mi
1:50:49
Rank: #21541 (+500)
15K → 20K
27:27 | 8:50/mi
Half· 13.11 mi
1:56:51
Rank: #21505 (+36)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:18:58
Rank: #21323 (+182)
Half → 25K
22:07 | 9:07/mi
30K· 18.64 mi
2:53:11
Rank: #22129 (-806)
25K → 30K
34:13 | 11:01/mi
20M
3:07:06
Rank: #22104 (+25)
30K → 20M
13:55 | 10:14/mi
21M
3:20:44
Rank: #22436 (-332)
20M → 21M
13:38 | 13:38/mi
35K· 21.75 mi
3:28:03
Rank: #22384 (+52)
21M → 35K
7:19 | 9:47/mi
23M
3:40:49
Rank: #22295 (+89)
35K → 23M
12:46 | 10:12/mi
24M
3:51:15
Rank: #22295
23M → 24M
10:26 | 10:26/mi
40K· 24.85 mi
4:00:12
Rank: #22285 (+10)
24M → 40K
8:57 | 10:28/mi
25.2M
4:04:35
Rank: #22307 (-22)
40K → 25.2M
4:23 | 12:43/mi
Finish· 26.22 mi
4:14:49
Rank: #22334 (-27)
25.2M → Finish
10:14 | 10:03/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:51
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:17:58
Pace10:31 /mi
📊Positive Split: 18.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:1928:229:0828:22
9:08
-
10K
6.21 mi12:13:5055:539:0027:31
8:51
-0:17
15K
9.32 mi12:41:191:23:228:5727:29
8:51
0:00
20K
12.43 mi13:08:461:50:498:5527:27
8:50
-0:01
Half
13.11 mi13:14:481:56:518:556:02
8:51
+0:01
25K
15.53 mi13:36:552:18:588:5722:07
9:07
+0:16
30K
18.64 mi14:11:082:53:119:1734:13
11:01
+1:54
20M
20.00 mi14:25:033:07:069:2113:55
10:14
-0:47
21M
21.00 mi14:38:413:20:449:3413:38
13:38
+3:24
35K
21.75 mi14:46:003:28:039:347:19
9:47
-3:51
23M
23.00 mi14:58:463:40:499:3612:46
10:12
+0:25
24M
24.00 mi15:09:123:51:159:3810:26
10:26
+0:14
40K
24.85 mi15:18:094:00:129:408:57
10:28
+0:02
25.2M
25.20 mi15:22:324:04:359:424:23
12:43
+2:15
Finish
26.22 mi15:32:464:14:499:4410:14
10:03
-2:40

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

8:50 /mi

Average Pace

9:44 /mi

Slowest Pace

13:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:58

55% of race

Time at Steady Pace

1:03:37

25% of race

Time at Slower Pace

52:14

20% of race

Average Pace: 9:43 /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 mi11:46:1928:229:0828:22
9:08
#22951
10K
6.21 mi12:13:5055:539:0027:31
8:51
#22397
15K
9.32 mi12:41:191:23:228:5727:29
8:51
#22041
20K
12.43 mi13:08:461:50:498:5527:27
8:50
#21541
Half
13.11 mi13:14:481:56:518:556:02
8:51
#21505
25K
15.53 mi13:36:552:18:588:5722:07
9:07
#21323
30K
18.64 mi14:11:082:53:119:1734:13
11:01
#22129
20M
20.00 mi14:25:033:07:069:2113:55
10:14
#22104
21M
21.00 mi14:38:413:20:449:3413:38
13:38
#22436
35K
21.75 mi14:46:003:28:039:347:19
9:47
#22384
23M
23.00 mi14:58:463:40:499:3612:46
10:12
#22295
24M
24.00 mi15:09:123:51:159:3810:26
10:26
#22295
40K
24.85 mi15:18:094:00:129:408:57
10:28
#22285
25.2M
25.20 mi15:22:324:04:359:424:23
12:43
#22307
Finish
26.22 mi15:32:464:14:499:4410:14
10:03
#22334
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi22951137461374621260(Top 75%)13062(Top 81%)13062(Top 547%)
10K6.21 mi3.10 mi22397+55413504+24213504+24221666(Top 76%)13202(Top 82%)13202(Top 553%)
15K9.32 mi3.11 mi22041+35613358+14613358+14621260(Top 75%)13062(Top 81%)13062(Top 547%)
20K12.43 mi3.11 mi21541+50013144+21413144+21420128(Top 71%)12520(Top 78%)12520(Top 525%)
Half13.11 mi0.68 mi21505+3613129+1513129+1521110(Top 74%)12960(Top 80%)12960(Top 543%)
25K15.53 mi2.42 mi21323+18213038+9113038+9120449(Top 72%)12617(Top 78%)12617(Top 529%)
30K18.64 mi3.11 mi22129-80613374-33613374-33624017(Top 85%)14084(Top 87%)14084(Top 590%)
20M20.00 mi1.36 mi22104+2513347+2713347+2721682(Top 76%)12900(Top 80%)12900(Top 541%)
21M21.00 mi1.00 mi22436-33213468-12113468-12125805(Top 91%)14789(Top 92%)14789(Top 620%)
35K21.75 mi0.75 mi22384+5213432+3613432+3621267(Top 75%)12565(Top 78%)12565(Top 527%)
23M23.00 mi1.25 mi22295+8913354+7813354+7821098(Top 74%)12440(Top 77%)12440(Top 521%)
24M24.00 mi1.00 mi2229513331+2313331+2322626(Top 80%)13125(Top 81%)13125(Top 550%)
40K24.85 mi0.85 mi22285+1013316+1513316+1521826(Top 77%)12667(Top 79%)12667(Top 531%)
25.2M25.20 mi0.35 mi22307-2213312+413312+424568(Top 86%)14043(Top 87%)14043(Top 589%)
Finish26.22 mi1.02 mi22334-2713310+213310+223053(Top 81%)13304(Top 83%)13304(Top 558%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21260

Males

13062

M45-49

13062

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21666

Males

13202

M45-49

13202

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21260

Males

13062

M45-49

13062

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

20128

Males

12520

M45-49

12520

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21110

Males

12960

M45-49

12960

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

20449

Males

12617

M45-49

12617

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

24017

Males

14084

M45-49

14084

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21682

Males

12900

M45-49

12900

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

25805

Males

14789

M45-49

14789

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

21267

Males

12565

M45-49

12565

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

21098

Males

12440

M45-49

12440

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

22626

Males

13125

M45-49

13125

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21826

Males

12667

M45-49

12667

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24568

Males

14043

M45-49

14043

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

23053

Males

13304

M45-49

13304

Passing Analysis

Category:
Athletes Passed
2329
Passed By
1712
Net Change
+617
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22951
5K → 10K61864+554#22951#22397
10K → 15K40852+356#22397#22041
15K → 20K51616+500#22041#21541
20K → Half4913+36#21541#21505
Half → 25K24361+182#21505#21323
25K → 30K38844-806#21323#22129
30K → 20M9873+25#22129#22104
20M → 21M21353-332#22104#22436
21M → 35K7119+52#22436#22384
35K → 23M12132+89#22384#22295
23M → 24M59590#22295#22295
24M → 40K4838+10#22295#22285
40K → 25.2M1133-22#22285#22307
25.2M → Finish2855-27#22307#22334
TOTALS23291712+617
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing