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BOSTON MARATHON 2025

David Castillo-Moreira

Bib: 1444•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 24%
Division (M18-39)
#0 / 5642
Top 50%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:50
Rank: #5485
Start → 5K
20:50 | 6:42/mi
10K· 6.21 mi
41:50
Rank: #5677 (-192)
5K → 10K
21:00 | 6:46/mi
15K· 9.32 mi
1:02:50
Rank: #5625 (+52)
10K → 15K
21:00 | 6:46/mi
20K· 12.43 mi
1:24:26
Rank: #5886 (-261)
15K → 20K
21:36 | 6:57/mi
Half· 13.11 mi
1:29:05
Rank: #5905 (-19)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:46:15
Rank: #6066 (-161)
Half → 25K
17:10 | 7:05/mi
30K· 18.64 mi
2:07:57
Rank: #5695 (+371)
25K → 30K
21:42 | 6:59/mi
20M
2:17:19
Rank: #5495 (+200)
30K → 20M
9:22 | 6:54/mi
21M
2:24:20
Rank: #5216 (+279)
20M → 21M
7:01 | 7:01/mi
35K· 21.75 mi
2:28:59
Rank: #4971 (+245)
21M → 35K
4:39 | 6:13/mi
23M
2:37:20
Rank: #4710 (+261)
35K → 23M
8:21 | 6:40/mi
24M
2:43:42
Rank: #4474 (+236)
23M → 24M
6:22 | 6:22/mi
40K· 24.85 mi
2:49:27
Rank: #4362 (+112)
24M → 40K
5:45 | 6:44/mi
25.2M
2:51:59
Rank: #4311 (+51)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:58:38
Rank: #4227 (+84)
25.2M → Finish
6:39 | 6:32/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:05
Pace6:48 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:33
Pace6:50 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2620:506:4220:50
6:42
-
10K
6.21 mi10:42:2641:506:4421:00
6:46
+0:04
15K
9.32 mi11:03:261:02:506:4421:00
6:46
0:00
20K
12.43 mi11:25:021:24:266:4821:36
6:57
+0:11
Half
13.11 mi11:29:411:29:056:484:39
6:49
-0:08
25K
15.53 mi11:46:511:46:156:5017:10
7:05
+0:16
30K
18.64 mi12:08:332:07:576:5221:42
6:59
-0:06
20M
20.00 mi12:17:552:17:196:529:22
6:54
-0:05
21M
21.00 mi12:24:562:24:206:527:01
7:01
+0:07
35K
21.75 mi12:29:352:28:596:514:39
6:13
-0:48
23M
23.00 mi12:37:562:37:206:508:21
6:40
+0:27
24M
24.00 mi12:44:182:43:426:496:22
6:22
-0:18
40K
24.85 mi12:50:032:49:276:495:45
6:44
+0:22
25.2M
25.20 mi12:52:352:51:596:492:32
7:21
+0:37
Finish
26.22 mi12:59:142:58:386:496:39
6:32
-0:49

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

6:13 /mi

Average Pace

6:49 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:15

56% of race

Time at Steady Pace

1:16:51

43% of race

Time at Slower Pace

2:32

1% of race

Average Pace: 6:49 /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 mi10:21:2620:506:4220:50
6:42
#5485
10K
6.21 mi10:42:2641:506:4421:00
6:46
#5677
15K
9.32 mi11:03:261:02:506:4421:00
6:46
#5625
20K
12.43 mi11:25:021:24:266:4821:36
6:57
#5886
Half
13.11 mi11:29:411:29:056:484:39
6:49
#5905
25K
15.53 mi11:46:511:46:156:5017:10
7:05
#6066
30K
18.64 mi12:08:332:07:576:5221:42
6:59
#5695
20M
20.00 mi12:17:552:17:196:529:22
6:54
#5495
21M
21.00 mi12:24:562:24:206:527:01
7:01
#5216
35K
21.75 mi12:29:352:28:596:514:39
6:13
#4971
23M
23.00 mi12:37:562:37:206:508:21
6:40
#4710
24M
24.00 mi12:44:182:43:426:496:22
6:22
#4474
40K
24.85 mi12:50:032:49:276:495:45
6:44
#4362
25.2M
25.20 mi12:52:352:51:596:492:32
7:21
#4311
Finish
26.22 mi12:59:142:58:386:496:39
6:32
#4227
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5485508750875665(Top 20%)5169(Top 32%)5169(Top 92%)
10K6.21 mi3.10 mi5677-1925244-1575244-1575923(Top 21%)5417(Top 34%)5417(Top 96%)
15K9.32 mi3.11 mi5625+525185+595185+595665(Top 20%)5169(Top 32%)5169(Top 92%)
20K12.43 mi3.11 mi5886-2615394-2095394-2096573(Top 23%)5879(Top 37%)5879(Top 104%)
Half13.11 mi0.68 mi5905-195409-155409-156191(Top 22%)5576(Top 35%)5576(Top 99%)
25K15.53 mi2.42 mi6066-1615512-1035512-1036828(Top 24%)5993(Top 37%)5993(Top 106%)
30K18.64 mi3.11 mi5695+3715194+3185194+3184594(Top 16%)4191(Top 26%)4191(Top 74%)
20M20.00 mi1.36 mi5495+2005024+1705024+1703472(Top 12%)3208(Top 20%)3208(Top 57%)
21M21.00 mi1.00 mi5216+2794781+2434781+2432330(Top 8%)2176(Top 14%)2176(Top 39%)
35K21.75 mi0.75 mi4971+2454568+2134568+2131298(Top 5%)1228(Top 8%)1228(Top 22%)
23M23.00 mi1.25 mi4710+2614334+2344334+2342119(Top 7%)1980(Top 12%)1980(Top 35%)
24M24.00 mi1.00 mi4474+2364126+2084126+2081544(Top 5%)1443(Top 9%)1443(Top 26%)
40K24.85 mi0.85 mi4362+1124021+1054021+1052487(Top 9%)2269(Top 14%)2269(Top 40%)
25.2M25.20 mi0.35 mi4311+513972+493972+492736(Top 10%)2438(Top 15%)2438(Top 43%)
Finish26.22 mi1.02 mi4227+843893+793893+792943(Top 10%)2624(Top 16%)2624(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5665

Males

5169

M18-39

5169

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5923

Males

5417

M18-39

5417

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5665

Males

5169

M18-39

5169

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6573

Males

5879

M18-39

5879

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6191

Males

5576

M18-39

5576

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6828

Males

5993

M18-39

5993

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4594

Males

4191

M18-39

4191

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3472

Males

3208

M18-39

3208

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2330

Males

2176

M18-39

2176

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1298

Males

1228

M18-39

1228

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

2119

Males

1980

M18-39

1980

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1544

Males

1443

M18-39

1443

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2487

Males

2269

M18-39

2269

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2736

Males

2438

M18-39

2438

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2943

Males

2624

M18-39

2624

Passing Analysis

Category:
Athletes Passed
2317
Passed By
1059
Net Change
+1258
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5485
5K → 10K102294-192#5485#5677
10K → 15K15098+52#5677#5625
15K → 20K66327-261#5625#5886
20K → Half1736-19#5886#5905
Half → 25K90251-161#5905#6066
25K → 30K39827+371#6066#5695
30K → 20M2044+200#5695#5495
20M → 21M2790+279#5495#5216
21M → 35K2450+245#5216#4971
35K → 23M2643+261#4971#4710
23M → 24M2360+236#4710#4474
24M → 40K1164+112#4474#4362
40K → 25.2M510+51#4362#4311
25.2M → Finish9915+84#4311#4227
TOTALS23171059+1258
📊

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