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BOSTON MARATHON 2026

Enio Castro

Bib: 12472•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 46%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 49%
Age Group (M45-49)
#0 / 2413
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
21:01
3.11 mi
Rank: #6533
Start → 5K
21:01 | 6:46/mi
10K
41:50
6.21 mi
Rank: #6233 (+300)
5K → 10K
20:49 | 6:43/mi
15K
1:02:51
9.32 mi
Rank: #6265 (-32)
10K → 15K
21:01 | 6:46/mi
20K
1:24:04
12.43 mi
Rank: #6291 (-26)
15K → 20K
21:13 | 6:50/mi
HALF
1:28:41
13.11 mi
Rank: #6314 (-23)
20K → HALF
4:37 | 6:47/mi
25K
1:45:27
15.53 mi
Rank: #6386 (-72)
HALF → 25K
16:46 | 6:55/mi
30K
2:08:22
18.64 mi
Rank: #6837 (-451)
25K → 30K
22:55 | 7:23/mi
20M
2:23:10
20.00 mi
Rank: #8669 (-1832)
30K → 20M
14:48 | 10:54/mi
21M
2:32:19
21.00 mi
Rank: #9168 (-499)
20M → 21M
9:09 | 9:09/mi
35K
2:38:55
21.75 mi
Rank: #9553 (-385)
21M → 35K
6:36 | 8:50/mi
23M
2:50:51
23.00 mi
Rank: #10440 (-887)
35K → 23M
11:56 | 9:33/mi
24M
3:01:07
24.00 mi
Rank: #11354 (-914)
23M → 24M
10:16 | 10:16/mi
40K
3:11:04
24.85 mi
Rank: #12463 (-1109)
24M → 40K
9:57 | 11:39/mi
25.2M
3:14:46
25.20 mi
Rank: #12664 (-201)
40K → 25.2M
3:42 | 10:44/mi
FINISH
3:25:20
26.22 mi
Rank: #13487 (-823)
25.2M → FINISH
10:34 | 10:23/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:28:41
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:56:39
Pace8:54 /mi
📊Positive Split: 31.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2721:016:4621:01
6:46
-
10K
6.21 mi11:10:1641:506:4420:49
6:43
-0:03
15K
9.32 mi11:31:171:02:516:4521:01
6:46
+0:03
20K
12.43 mi11:52:301:24:046:4621:13
6:50
+0:04
HALF
13.11 mi11:57:071:28:416:464:37
6:47
-0:03
25K
15.53 mi12:13:531:45:276:4816:46
6:55
+0:08
30K
18.64 mi12:36:482:08:226:5422:55
7:23
+0:28
20M
20.00 mi12:51:362:23:107:1014:48
10:54
+3:31
21M
21.00 mi13:00:452:32:197:169:09
9:09
-1:45
35K
21.75 mi13:07:212:38:557:196:36
8:50
-0:19
23M
23.00 mi13:19:172:50:517:2611:56
9:33
+0:43
24M
24.00 mi13:29:333:01:077:3310:16
10:16
+0:43
40K
24.85 mi13:39:303:11:047:429:57
11:39
+1:23
25.2M
25.20 mi13:43:123:14:467:443:42
10:44
-0:55
FINISH
26.22 mi13:53:463:25:207:5110:34
10:23
-0:21

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

6:43 /mi

Average Pace

7:50 /mi

Slowest Pace

11:39 /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

2:08:22

63% of race

Time at Steady Pace

27:41

13% of race

Time at Slower Pace

49:17

24% of race

Average Pace: 7:50 /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 mi10:49:2721:016:4621:01
6:46
#6533
10K
6.21 mi11:10:1641:506:4420:49
6:43
#6233
15K
9.32 mi11:31:171:02:516:4521:01
6:46
#6265
20K
12.43 mi11:52:301:24:046:4621:13
6:50
#6291
HALF
13.11 mi11:57:071:28:416:464:37
6:47
#6314
25K
15.53 mi12:13:531:45:276:4816:46
6:55
#6386
30K
18.64 mi12:36:482:08:226:5422:55
7:23
#6837
20M
20.00 mi12:51:362:23:107:1014:48
10:54
#8669
21M
21.00 mi13:00:452:32:197:169:09
9:09
#9168
35K
21.75 mi13:07:212:38:557:196:36
8:50
#9553
23M
23.00 mi13:19:172:50:517:2611:56
9:33
#10440
24M
24.00 mi13:29:333:01:077:3310:16
10:16
#11354
40K
24.85 mi13:39:303:11:047:429:57
11:39
#12463
25.2M
25.20 mi13:43:123:14:467:443:42
10:44
#12664
FINISH
26.22 mi13:53:463:25:207:5110:34
10:23
#13487
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6533588458846492(Top 22%)5812(Top 36%)5812(Top 241%)
10K6.21 mi3.10 mi6233+3005654+2305654+2305984(Top 21%)5448(Top 33%)5448(Top 226%)
15K9.32 mi3.11 mi6265-325676-225676-226492(Top 22%)5812(Top 36%)5812(Top 241%)
20K12.43 mi3.11 mi6291-265683-75683-76476(Top 22%)5768(Top 35%)5768(Top 239%)
HALF13.11 mi0.68 mi6314-235699-165699-166918(Top 24%)6136(Top 38%)6136(Top 254%)
25K15.53 mi2.42 mi6386-725735-365735-366819(Top 23%)5989(Top 37%)5989(Top 248%)
30K18.64 mi3.11 mi6837-4516046-3116046-3118700(Top 30%)7011(Top 43%)7011(Top 291%)
20M20.00 mi1.36 mi8669-18327197-11517197-115124712(Top 85%)14326(Top 88%)14326(Top 594%)
21M21.00 mi1.00 mi9168-4997454-2577454-25716881(Top 58%)10637(Top 65%)10637(Top 441%)
35K21.75 mi0.75 mi9553-3857640-1867640-18619196(Top 66%)11573(Top 71%)11573(Top 480%)
23M23.00 mi1.25 mi10440-8878036-3968036-39620681(Top 71%)12301(Top 75%)12301(Top 510%)
24M24.00 mi1.00 mi11354-9148488-4528488-45223509(Top 81%)13610(Top 83%)13610(Top 564%)
40K24.85 mi0.85 mi12463-11098946-4588946-45825310(Top 87%)14420(Top 88%)14420(Top 598%)
25.2M25.20 mi0.35 mi12664-2019016-709016-7021668(Top 75%)12667(Top 78%)12667(Top 525%)
FINISH26.22 mi1.02 mi13487-8239352-3369352-33624746(Top 85%)14155(Top 87%)14155(Top 587%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21
+97ft-345ft

Overall

6492

Males

5812

M45-49

5812

5K→10K

3.1 - 6.2 mi

Top 21%
×5
+79ft-138ft

Overall

5984

Males

5448

M45-49

5448

10K→15K

6.2 - 9.3 mi

Top 22%
×3
+67ft-78ft

Overall

6492

Males

5812

M45-49

5812

15K→20K

9.3 - 12.4 mi

Top 22%
×5
+106ft-86ft

Overall

6476

Males

5768

M45-49

5768

20K→HALF

12.4 - 13.1 mi

Top 24%
×2
+19ft-37ft

Overall

6918

Males

6136

M45-49

6136

HALF→25K

13.1 - 15.5 mi

Top 23%
×4
+66ft-88ft

Overall

6819

Males

5989

M45-49

5989

25K→30K

15.5 - 18.6 mi

Top 30%
×9
+181ft-148ft

Overall

8700

Males

7011

M45-49

7011

30K→20M

18.6 - 20.0 mi

Top 85%
×5
+64ft-50ft

Overall

24712

Males

14326

M45-49

14326

20M→21M

20.0 - 21.0 mi

Top 58%
×8
+106ft-24ft

Overall

16881

Males

10637

M45-49

10637

21M→35K

21.0 - 21.8 mi

Top 66%
×7
+17ft-86ft

Overall

19196

Males

11573

M45-49

11573

35K→23M

21.8 - 23.0 mi

Top 71%
×5
+23ft-63ft

Overall

20681

Males

12301

M45-49

12301

23M→24M

23.0 - 24.0 mi

Top 81%
×6
+12ft-82ft

Overall

23509

Males

13610

M45-49

13610

24M→40K

24.0 - 24.9 mi

Top 87%
×1
+6ft-20ft

Overall

25310

Males

14420

M45-49

14420

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1
+13ft-16ft

Overall

21668

Males

12667

M45-49

12667

25.2M→FINISH

25.2 - 26.2 mi

Top 85%
×2
+22ft-21ft

Overall

24746

Males

14155

M45-49

14155

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
839*
Passed By
2375
Net Change
-6954
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6533
5K → 10K364*64+300#6533#6233
10K → 15K122154-32#6233#6265
15K → 20K138164-26#6265#6291
20K → HALF2144-23#6291#6314
HALF → 25K77149-72#6314#6386
25K → 30K54200-451#6386#6837
30K → 20M1200-1832#6837#8669
20M → 21M14200-499#8669#9168
21M → 35K13200-385#9168#9553
35K → 23M21200-887#9553#10440
23M → 24M4200-914#10440#11354
24M → 40K3200-1109#11354#12463
40K → 25.2M3200-201#12463#12664
25.2M → FINISH4200-823#12664#13487
TOTALS839*2375-6954

* 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