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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Darren Castro

Bib: 18988 •M •Age: N/A

MN

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 48%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M55-59)
#0 / 1491
Top 43%
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
24:00
3.11 mi
Rank: #14764
Start → 5K
24:00 | 7:44/mi
10K
47:37
6.21 mi
Rank: #14283 (+481)
5K → 10K
23:37 | 7:37/mi
15K
1:11:35
9.32 mi
Rank: #14362 (-79)
10K → 15K
23:58 | 7:43/mi
20K
1:35:54
12.43 mi
Rank: #14446 (-84)
15K → 20K
24:19 | 7:50/mi
HALF
1:41:06
13.11 mi
Rank: #14420 (+26)
20K → HALF
5:12 | 7:38/mi
25K
2:00:07
15.53 mi
Rank: #14350 (+70)
HALF → 25K
19:01 | 7:51/mi
30K
2:24:58
18.64 mi
Rank: #14169 (+181)
25K → 30K
24:51 | 8:00/mi
20M
2:35:59
20.00 mi
Rank: #14101 (+68)
30K → 20M
11:01 | 8:07/mi
21M
2:44:39
21.00 mi
Rank: #14073 (+28)
20M → 21M
8:40 | 8:40/mi
35K
2:50:28
21.75 mi
Rank: #14004 (+69)
21M → 35K
5:49 | 7:47/mi
23M
3:00:40
23.00 mi
Rank: #13962 (+42)
35K → 23M
10:12 | 8:10/mi
24M
3:08:26
24.00 mi
Rank: #13862 (+100)
23M → 24M
7:46 | 7:46/mi
40K
3:15:29
24.85 mi
Rank: #13857 (+5)
24M → 40K
7:03 | 8:15/mi
25.2M
3:18:35
25.20 mi
Rank: #13867 (-10)
40K → 25.2M
3:06 | 9:00/mi
FINISH
3:26:44
26.22 mi
Rank: #13932 (-65)
25.2M → FINISH
8:09 | 8:00/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:06
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:45:38
Pace8:04 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:0524:007:4424:00
7:44
-
10K
6.21 mi11:30:4247:377:4023:37
7:37
-0:07
15K
9.32 mi11:54:401:11:357:4123:58
7:43
+0:06
20K
12.43 mi12:18:591:35:547:4424:19
7:50
+0:07
HALF
13.11 mi12:24:111:41:067:435:12
7:38
-0:12
25K
15.53 mi12:43:122:00:077:4419:01
7:51
+0:13
30K
18.64 mi13:08:032:24:587:4724:51
8:00
+0:09
20M
20.00 mi13:19:042:35:597:4811:01
8:07
+0:07
21M
21.00 mi13:27:442:44:397:518:40
8:40
+0:33
35K
21.75 mi13:33:332:50:287:515:49
7:47
-0:53
23M
23.00 mi13:43:453:00:407:5210:12
8:10
+0:23
24M
24.00 mi13:51:313:08:267:527:46
7:46
-0:24
40K
24.85 mi13:58:343:15:297:527:03
8:15
+0:29
25.2M
25.20 mi14:01:403:18:357:533:06
9:00
+0:45
FINISH
26.22 mi14:09:493:26:447:548:09
8:00
-1:00

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

7:37 /mi

Average Pace

7:53 /mi

Slowest Pace

9:00 /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

3:14:58

94% of race

Time at Steady Pace

8:40

4% of race

Time at Slower Pace

3:06

1% of race

Average Pace: 7:53 /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 mi11:07:0524:007:4424:00
7:44
#14764
10K
6.21 mi11:30:4247:377:4023:37
7:37
#14283
15K
9.32 mi11:54:401:11:357:4123:58
7:43
#14362
20K
12.43 mi12:18:591:35:547:4424:19
7:50
#14446
HALF
13.11 mi12:24:111:41:067:435:12
7:38
#14420
25K
15.53 mi12:43:122:00:077:4419:01
7:51
#14350
30K
18.64 mi13:08:032:24:587:4724:51
8:00
#14169
20M
20.00 mi13:19:042:35:597:4811:01
8:07
#14101
21M
21.00 mi13:27:442:44:397:518:40
8:40
#14073
35K
21.75 mi13:33:332:50:287:515:49
7:47
#14004
23M
23.00 mi13:43:453:00:407:5210:12
8:10
#13962
24M
24.00 mi13:51:313:08:267:527:46
7:46
#13862
40K
24.85 mi13:58:343:15:297:527:03
8:15
#13857
25.2M
25.20 mi14:01:403:18:357:533:06
9:00
#13867
FINISH
26.22 mi14:09:493:26:447:548:09
8:00
#13932
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14764101761017614642(Top 50%)10051(Top 62%)10051(Top 674%)
10K6.21 mi3.10 mi14283+4819963+2139963+21313872(Top 48%)9777(Top 60%)9777(Top 656%)
15K9.32 mi3.11 mi14362-799962+19962+114642(Top 50%)10051(Top 62%)10051(Top 674%)
20K12.43 mi3.11 mi14446-849982-209982-2014726(Top 51%)10030(Top 61%)10030(Top 673%)
HALF13.11 mi0.68 mi14420+269975+79975+714064(Top 48%)9823(Top 60%)9823(Top 659%)
25K15.53 mi2.42 mi14350+709919+569919+5614158(Top 49%)9715(Top 59%)9715(Top 652%)
30K18.64 mi3.11 mi14169+1819808+1119808+11113463(Top 46%)9314(Top 57%)9314(Top 625%)
20M20.00 mi1.36 mi14101+689757+519757+5113590(Top 47%)9259(Top 57%)9259(Top 621%)
21M21.00 mi1.00 mi14073+289719+389719+3814155(Top 49%)9436(Top 58%)9436(Top 633%)
35K21.75 mi0.75 mi14004+699674+459674+4512846(Top 44%)8815(Top 54%)8815(Top 591%)
23M23.00 mi1.25 mi13962+429631+439631+4313452(Top 46%)8989(Top 55%)8989(Top 603%)
24M24.00 mi1.00 mi13862+1009567+649567+6412015(Top 41%)8264(Top 51%)8264(Top 554%)
40K24.85 mi0.85 mi13857+59541+269541+2614050(Top 48%)9095(Top 56%)9095(Top 610%)
25.2M25.20 mi0.35 mi13867-109535+69535+614589(Top 50%)9327(Top 57%)9327(Top 626%)
FINISH26.22 mi1.02 mi13932-659539-49539-415130(Top 52%)9578(Top 59%)9578(Top 642%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21
+97ft-345ft

Overall

14642

Males

10051

M55-59

10051

5K→10K

3.1 - 6.2 mi

Top 48%
×5
+79ft-138ft

Overall

13872

Males

9777

M55-59

9777

10K→15K

6.2 - 9.3 mi

Top 50%
×3
+67ft-78ft

Overall

14642

Males

10051

M55-59

10051

15K→20K

9.3 - 12.4 mi

Top 51%
×5
+106ft-86ft

Overall

14726

Males

10030

M55-59

10030

20K→HALF

12.4 - 13.1 mi

Top 48%
×2
+19ft-37ft

Overall

14064

Males

9823

M55-59

9823

HALF→25K

13.1 - 15.5 mi

Top 49%
×4
+66ft-88ft

Overall

14158

Males

9715

M55-59

9715

25K→30K

15.5 - 18.6 mi

Top 46%
×9
+181ft-148ft

Overall

13463

Males

9314

M55-59

9314

30K→20M

18.6 - 20.0 mi

Top 47%
×5
+64ft-50ft

Overall

13590

Males

9259

M55-59

9259

20M→21M

20.0 - 21.0 mi

Top 49%
×8
+106ft-24ft

Overall

14155

Males

9436

M55-59

9436

21M→35K

21.0 - 21.8 mi

Top 44%
×7
+17ft-86ft

Overall

12846

Males

8815

M55-59

8815

35K→23M

21.8 - 23.0 mi

Top 46%
×5
+23ft-63ft

Overall

13452

Males

8989

M55-59

8989

23M→24M

23.0 - 24.0 mi

Top 41%
×6
+12ft-82ft

Overall

12015

Males

8264

M55-59

8264

24M→40K

24.0 - 24.9 mi

Top 48%
×1
+6ft-20ft

Overall

14050

Males

9095

M55-59

9095

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1
+13ft-16ft

Overall

14589

Males

9327

M55-59

9327

25.2M→FINISH

25.2 - 26.2 mi

Top 52%
×2
+22ft-21ft

Overall

15130

Males

9578

M55-59

9578

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2108*
Passed By
1202
Net Change
+832
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14764
5K → 10K607*126+481#14764#14283
10K → 15K180200-79#14283#14362
15K → 20K131200-84#14362#14446
20K → HALF4519+26#14446#14420
HALF → 25K173103+70#14420#14350
25K → 30K282*101+181#14350#14169
30K → 20M12052+68#14169#14101
20M → 21M11385+28#14101#14073
21M → 35K8718+69#14073#14004
35K → 23M11270+42#14004#13962
23M → 24M11616+100#13962#13862
24M → 40K6560+5#13862#13857
40K → 25.2M2838-10#13857#13867
25.2M → FINISH49114-65#13867#13932
TOTALS2108*1202+832

* 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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Qualifying & Age Grade

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OTQ

Olympic Trials Qualifying analysis available

Activity Data

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