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BOSTON MARATHON 2025

Luis Castro

Bib: 8683•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Masters (Masters Men)
#0 / 10463
Top 4%
Division (M45-49)
#0 / 2386
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:37
Rank: #2506
Start → 5K
19:37 | 6:19/mi
10K· 6.21 mi
39:21
Rank: #2636 (-130)
5K → 10K
19:44 | 6:21/mi
15K· 9.32 mi
59:02
Rank: #2597 (+39)
10K → 15K
19:41 | 6:20/mi
20K· 12.43 mi
1:18:51
Rank: #2518 (+79)
15K → 20K
19:49 | 6:23/mi
Half· 13.11 mi
1:23:08
Rank: #2508 (+10)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:38:40
Rank: #2458 (+50)
Half → 25K
15:32 | 6:24/mi
30K· 18.64 mi
1:59:18
Rank: #2444 (+14)
25K → 30K
20:38 | 6:38/mi
20M
2:08:24
Rank: #2421 (+23)
30K → 20M
9:06 | 6:42/mi
21M
2:15:29
Rank: #2389 (+32)
20M → 21M
7:05 | 7:05/mi
35K· 21.75 mi
2:20:19
Rank: #2355 (+34)
21M → 35K
4:50 | 6:28/mi
23M
2:28:38
Rank: #2322 (+33)
35K → 23M
8:19 | 6:39/mi
24M
2:35:02
Rank: #2268 (+54)
23M → 24M
6:24 | 6:24/mi
40K· 24.85 mi
2:40:41
Rank: #2226 (+42)
24M → 40K
5:39 | 6:36/mi
25.2M
2:43:10
Rank: #2214 (+12)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:49:42
Rank: #2216 (-2)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:08
Pace6:20 /mi
2nd Half
Distance13.11 mi
Time1:26:34
Pace6:36 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:44:4419:376:1919:37
6:19
-
10K
6.21 mi11:04:2839:216:2019:44
6:21
+0:02
15K
9.32 mi11:24:0959:026:2019:41
6:20
-0:01
20K
12.43 mi11:43:581:18:516:2119:49
6:23
+0:03
Half
13.11 mi11:48:151:23:086:204:17
6:17
-0:06
25K
15.53 mi12:03:471:38:406:2115:32
6:24
+0:07
30K
18.64 mi12:24:251:59:186:2420:38
6:38
+0:14
20M
20.00 mi12:33:312:08:246:259:06
6:42
+0:04
21M
21.00 mi12:40:362:15:296:277:05
7:05
+0:23
35K
21.75 mi12:45:262:20:196:274:50
6:28
-0:37
23M
23.00 mi12:53:452:28:386:288:19
6:39
+0:11
24M
24.00 mi13:00:092:35:026:286:24
6:24
-0:15
40K
24.85 mi13:05:482:40:416:285:39
6:36
+0:12
25.2M
25.20 mi13:08:172:43:106:282:29
7:12
+0:36
Finish
26.22 mi13:14:492:49:426:296:32
6:25
-0:47

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

6:17 /mi

Average Pace

6:29 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:08

94% of race

Time at Steady Pace

9:34

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:28 /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 mi10:44:4419:376:1919:37
6:19
#2506
10K
6.21 mi11:04:2839:216:2019:44
6:21
#2636
15K
9.32 mi11:24:0959:026:2019:41
6:20
#2597
20K
12.43 mi11:43:581:18:516:2119:49
6:23
#2518
Half
13.11 mi11:48:151:23:086:204:17
6:17
#2508
25K
15.53 mi12:03:471:38:406:2115:32
6:24
#2458
30K
18.64 mi12:24:251:59:186:2420:38
6:38
#2444
20M
20.00 mi12:33:312:08:246:259:06
6:42
#2421
21M
21.00 mi12:40:362:15:296:277:05
7:05
#2389
35K
21.75 mi12:45:262:20:196:274:50
6:28
#2355
23M
23.00 mi12:53:452:28:386:288:19
6:39
#2322
24M
24.00 mi13:00:092:35:026:286:24
6:24
#2268
40K
24.85 mi13:05:482:40:416:285:39
6:36
#2226
25.2M
25.20 mi13:08:172:43:106:282:29
7:12
#2214
Finish
26.22 mi13:14:492:49:426:296:32
6:25
#2216
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2506238723872553(Top 9%)2436(Top 15%)2436(Top 102%)
10K6.21 mi3.10 mi2636-1302510-1232510-1232741(Top 10%)2611(Top 16%)2611(Top 109%)
15K9.32 mi3.11 mi2597+392476+342476+342553(Top 9%)2436(Top 15%)2436(Top 102%)
20K12.43 mi3.11 mi2518+792402+742402+742398(Top 8%)2287(Top 14%)2287(Top 96%)
Half13.11 mi0.68 mi2508+102394+82394+82366(Top 8%)2263(Top 14%)2263(Top 95%)
25K15.53 mi2.42 mi2458+502346+482346+482390(Top 8%)2273(Top 14%)2273(Top 95%)
30K18.64 mi3.11 mi2444+142332+142332+142586(Top 9%)2447(Top 15%)2447(Top 103%)
20M20.00 mi1.36 mi2421+232309+232309+232427(Top 9%)2288(Top 14%)2288(Top 96%)
21M21.00 mi1.00 mi2389+322277+322277+322582(Top 9%)2404(Top 15%)2404(Top 101%)
35K21.75 mi0.75 mi2355+342244+332244+332253(Top 8%)2105(Top 13%)2105(Top 88%)
23M23.00 mi1.25 mi2322+332214+302214+301996(Top 7%)1866(Top 12%)1866(Top 78%)
24M24.00 mi1.00 mi2268+542158+562158+561651(Top 6%)1538(Top 10%)1538(Top 64%)
40K24.85 mi0.85 mi2226+422116+422116+421988(Top 7%)1831(Top 11%)1831(Top 77%)
25.2M25.20 mi0.35 mi2214+122104+122104+122102(Top 7%)1891(Top 12%)1891(Top 79%)
Finish26.22 mi1.02 mi2216-22101+32101+32347(Top 8%)2139(Top 13%)2139(Top 90%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2553

Males

2436

M45-49

2436

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2741

Males

2611

M45-49

2611

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2553

Males

2436

M45-49

2436

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2398

Males

2287

M45-49

2287

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2366

Males

2263

M45-49

2263

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2390

Males

2273

M45-49

2273

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2586

Males

2447

M45-49

2447

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2427

Males

2288

M45-49

2288

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2582

Males

2404

M45-49

2404

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2253

Males

2105

M45-49

2105

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1996

Males

1866

M45-49

1866

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1651

Males

1538

M45-49

1538

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1988

Males

1831

M45-49

1831

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

2102

Males

1891

M45-49

1891

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2347

Males

2139

M45-49

2139

Passing Analysis

Category:
Athletes Passed
867
Passed By
577
Net Change
+290
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2506
5K → 10K71201-130#2506#2636
10K → 15K9758+39#2636#2597
15K → 20K11738+79#2597#2518
20K → Half177+10#2518#2508
Half → 25K8030+50#2508#2458
25K → 30K9581+14#2458#2444
30K → 20M5431+23#2444#2421
20M → 21M5826+32#2421#2389
21M → 35K4814+34#2389#2355
35K → 23M5623+33#2355#2322
23M → 24M6410+54#2322#2268
24M → 40K5412+42#2268#2226
40K → 25.2M2210+12#2226#2214
25.2M → Finish3436-2#2214#2216
TOTALS867577+290
📊

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