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BOSTON MARATHON 2026

Patricio Castillo

Bib: 5458•M

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0:00
/ mi
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Overall
#0 / 29021
Top 11%
Gender (Male)
#0 / 16340
Top 18%
Age Group (M18-39)
#0 / 5723
Top 42%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
20:12
3.11 mi
Rank: #4188
Start → 5K
20:12 | 6:31/mi
10K
40:20
6.21 mi
Rank: #4115 (+73)
5K → 10K
20:08 | 6:29/mi
15K
1:00:16
9.32 mi
Rank: #3913 (+202)
10K → 15K
19:56 | 6:25/mi
20K
1:20:19
12.43 mi
Rank: #3783 (+130)
15K → 20K
20:03 | 6:28/mi
HALF
1:24:43
13.11 mi
Rank: #3804 (-21)
20K → HALF
4:24 | 6:28/mi
25K
1:40:25
15.53 mi
Rank: #3696 (+108)
HALF → 25K
15:42 | 6:29/mi
30K
2:00:52
18.64 mi
Rank: #3502 (+194)
25K → 30K
20:27 | 6:35/mi
20M
2:09:44
20.00 mi
Rank: #3398 (+104)
30K → 20M
8:52 | 6:32/mi
21M
2:16:28
21.00 mi
Rank: #3293 (+105)
20M → 21M
6:44 | 6:44/mi
35K
2:21:21
21.75 mi
Rank: #3313 (-20)
21M → 35K
4:53 | 6:32/mi
23M
2:29:34
23.00 mi
Rank: #3237 (+76)
35K → 23M
8:13 | 6:34/mi
24M
2:36:09
24.00 mi
Rank: #3221 (+16)
23M → 24M
6:35 | 6:35/mi
40K
2:41:52
24.85 mi
Rank: #3195 (+26)
24M → 40K
5:43 | 6:42/mi
25.2M
2:44:19
25.20 mi
Rank: #3176 (+19)
40K → 25.2M
2:27 | 7:07/mi
FINISH
2:50:46
26.22 mi
Rank: #3152 (+24)
25.2M → FINISH
6:27 | 6:20/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:24:43
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:26:03
Pace6:34 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2220:126:3120:12
6:31
-
10K
6.21 mi10:43:3040:206:3020:08
6:29
-0:02
15K
9.32 mi11:03:261:00:166:2819:56
6:25
-0:04
20K
12.43 mi11:23:291:20:196:2820:03
6:28
+0:03
HALF
13.11 mi11:27:531:24:436:284:24
6:28
0:00
25K
15.53 mi11:43:351:40:256:2815:42
6:29
+0:01
30K
18.64 mi12:04:022:00:526:3020:27
6:35
+0:06
20M
20.00 mi12:12:542:09:446:308:52
6:32
-0:03
21M
21.00 mi12:19:382:16:286:306:44
6:44
+0:12
35K
21.75 mi12:24:312:21:216:304:53
6:32
-0:12
23M
23.00 mi12:32:442:29:346:318:13
6:34
+0:02
24M
24.00 mi12:39:192:36:096:316:35
6:35
+0:01
40K
24.85 mi12:45:022:41:526:315:43
6:42
+0:07
25.2M
25.20 mi12:47:292:44:196:322:27
7:07
+0:25
FINISH
26.22 mi12:53:562:50:466:326:27
6:20
-0:47

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:20 /mi

Average Pace

6:31 /mi

Slowest Pace

7:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:48:19

99% of race

Time at Steady Pace

2:27

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:31 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:23:2220:126:3120:12
6:31
#4188
10K
6.21 mi10:43:3040:206:3020:08
6:29
#4115
15K
9.32 mi11:03:261:00:166:2819:56
6:25
#3913
20K
12.43 mi11:23:291:20:196:2820:03
6:28
#3783
HALF
13.11 mi11:27:531:24:436:284:24
6:28
#3804
25K
15.53 mi11:43:351:40:256:2815:42
6:29
#3696
30K
18.64 mi12:04:022:00:526:3020:27
6:35
#3502
20M
20.00 mi12:12:542:09:446:308:52
6:32
#3398
21M
21.00 mi12:19:382:16:286:306:44
6:44
#3293
35K
21.75 mi12:24:312:21:216:304:53
6:32
#3313
23M
23.00 mi12:32:442:29:346:318:13
6:34
#3237
24M
24.00 mi12:39:192:36:096:316:35
6:35
#3221
40K
24.85 mi12:45:022:41:526:315:43
6:42
#3195
25.2M
25.20 mi12:47:292:44:196:322:27
7:07
#3176
FINISH
26.22 mi12:53:562:50:466:326:27
6:20
#3152
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4188396839683604(Top 12%)3443(Top 21%)3443(Top 60%)
10K6.21 mi3.10 mi4115+733908+603908+604058(Top 14%)3846(Top 24%)3846(Top 67%)
15K9.32 mi3.11 mi3913+2023723+1853723+1853604(Top 12%)3443(Top 21%)3443(Top 60%)
20K12.43 mi3.11 mi3783+1303602+1213602+1213458(Top 12%)3305(Top 20%)3305(Top 58%)
HALF13.11 mi0.68 mi3804-213624-223624-224047(Top 14%)3826(Top 23%)3826(Top 67%)
25K15.53 mi2.42 mi3696+1083528+963528+963303(Top 11%)3150(Top 19%)3150(Top 55%)
30K18.64 mi3.11 mi3502+1943342+1863342+1863015(Top 10%)2860(Top 18%)2860(Top 50%)
20M20.00 mi1.36 mi3398+1043245+973245+972576(Top 9%)2440(Top 15%)2440(Top 43%)
21M21.00 mi1.00 mi3293+1053148+973148+972186(Top 8%)2081(Top 13%)2081(Top 36%)
35K21.75 mi0.75 mi3313-203162-143162-143698(Top 13%)3389(Top 21%)3389(Top 59%)
23M23.00 mi1.25 mi3237+763089+733089+732731(Top 9%)2550(Top 16%)2550(Top 45%)
24M24.00 mi1.00 mi3221+163071+183071+183620(Top 12%)3265(Top 20%)3265(Top 57%)
40K24.85 mi0.85 mi3195+263039+323039+323497(Top 12%)3126(Top 19%)3126(Top 55%)
25.2M25.20 mi0.35 mi3176+193021+183021+183085(Top 11%)2755(Top 17%)2755(Top 48%)
FINISH26.22 mi1.02 mi3152+242996+252996+253170(Top 11%)2811(Top 17%)2811(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21
+97ft-345ft

Overall

3604

Males

3443

M18-39

3443

5K→10K

3.1 - 6.2 mi

Top 14%
×5
+79ft-138ft

Overall

4058

Males

3846

M18-39

3846

10K→15K

6.2 - 9.3 mi

Top 12%
×3
+67ft-78ft

Overall

3604

Males

3443

M18-39

3443

15K→20K

9.3 - 12.4 mi

Top 12%
×5
+106ft-86ft

Overall

3458

Males

3305

M18-39

3305

20K→HALF

12.4 - 13.1 mi

Top 14%
×2
+19ft-37ft

Overall

4047

Males

3826

M18-39

3826

HALF→25K

13.1 - 15.5 mi

Top 11%
×4
+66ft-88ft

Overall

3303

Males

3150

M18-39

3150

25K→30K

15.5 - 18.6 mi

Top 10%
×9
+181ft-148ft

Overall

3015

Males

2860

M18-39

2860

30K→20M

18.6 - 20.0 mi

Top 9%
×5
+64ft-50ft

Overall

2576

Males

2440

M18-39

2440

20M→21M

20.0 - 21.0 mi

Top 8%
×8
+106ft-24ft

Overall

2186

Males

2081

M18-39

2081

21M→35K

21.0 - 21.8 mi

Top 13%
×7
+17ft-86ft

Overall

3698

Males

3389

M18-39

3389

35K→23M

21.8 - 23.0 mi

Top 9%
×5
+23ft-63ft

Overall

2731

Males

2550

M18-39

2550

23M→24M

23.0 - 24.0 mi

Top 12%
×6
+12ft-82ft

Overall

3620

Males

3265

M18-39

3265

24M→40K

24.0 - 24.9 mi

Top 12%
×1
+6ft-20ft

Overall

3497

Males

3126

M18-39

3126

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1
+13ft-16ft

Overall

3085

Males

2755

M18-39

2755

25.2M→FINISH

25.2 - 26.2 mi

Top 11%
×2
+22ft-21ft

Overall

3170

Males

2811

M18-39

2811

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1432*
Passed By
396
Net Change
+1036
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4188
5K → 10K189116+73#4188#4115
10K → 15K226*24+202#4115#3913
15K → 20K15828+130#3913#3783
20K → HALF829-21#3783#3804
HALF → 25K13022+108#3804#3696
25K → 30K209*15+194#3696#3502
30K → 20M1128+104#3502#3398
20M → 21M1116+105#3398#3293
21M → 35K1636-20#3293#3313
35K → 23M9519+76#3313#3237
23M → 24M4832+16#3237#3221
24M → 40K5024+26#3221#3195
40K → 25.2M3112+19#3195#3176
25.2M → FINISH4925+24#3176#3152
TOTALS1432*396+1036

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing