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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Celio Castro

Bib: 6481 •M •Age: N/A

NY

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 28%
Gender (Male)
#0 / 16340
Top 41%
Age Group (M18-39)
#0 / 5723
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
21:16
3.11 mi
Rank: #7269
Start → 5K
21:16 | 6:51/mi
10K
43:13
6.21 mi
Rank: #8256 (-987)
5K → 10K
21:57 | 7:04/mi
15K
1:05:24
9.32 mi
Rank: #8680 (-424)
10K → 15K
22:11 | 7:09/mi
20K
1:27:51
12.43 mi
Rank: #8850 (-170)
15K → 20K
22:27 | 7:14/mi
HALF
1:32:36
13.11 mi
Rank: #8823 (+27)
20K → HALF
4:45 | 6:59/mi
25K
1:50:07
15.53 mi
Rank: #8828 (-5)
HALF → 25K
17:31 | 7:14/mi
30K
2:12:50
18.64 mi
Rank: #8630 (+198)
25K → 30K
22:43 | 7:19/mi
20M
2:22:50
20.00 mi
Rank: #8539 (+91)
30K → 20M
10:00 | 7:22/mi
21M
2:30:42
21.00 mi
Rank: #8525 (+14)
20M → 21M
7:52 | 7:52/mi
35K
2:36:01
21.75 mi
Rank: #8454 (+71)
21M → 35K
5:19 | 7:07/mi
23M
2:45:15
23.00 mi
Rank: #8389 (+65)
35K → 23M
9:14 | 7:23/mi
24M
2:52:28
24.00 mi
Rank: #8333 (+56)
23M → 24M
7:13 | 7:13/mi
40K
2:58:43
24.85 mi
Rank: #8284 (+49)
24M → 40K
6:15 | 7:19/mi
25.2M
3:01:28
25.20 mi
Rank: #8261 (+23)
40K → 25.2M
2:45 | 7:59/mi
FINISH
3:08:28
26.22 mi
Rank: #8150 (+111)
25.2M → FINISH
7:00 | 6:53/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
Time1:32:36
Pace7:04 /mi
2nd Half
Distance13.11 mi
Time1:35:52
Pace7:19 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:5821:166:5121:16
6:51
-
10K
6.21 mi10:48:5543:136:5821:57
7:04
+0:13
15K
9.32 mi11:11:061:05:247:0222:11
7:09
+0:05
20K
12.43 mi11:33:331:27:517:0522:27
7:14
+0:05
HALF
13.11 mi11:38:181:32:367:044:45
6:59
-0:15
25K
15.53 mi11:55:491:50:077:0617:31
7:14
+0:15
30K
18.64 mi12:18:322:12:507:0822:43
7:19
+0:05
20M
20.00 mi12:28:322:22:507:0910:00
7:22
+0:03
21M
21.00 mi12:36:242:30:427:117:52
7:52
+0:30
35K
21.75 mi12:41:432:36:017:115:19
7:07
-0:45
23M
23.00 mi12:50:572:45:157:129:14
7:23
+0:16
24M
24.00 mi12:58:102:52:287:127:13
7:13
-0:10
40K
24.85 mi13:04:252:58:437:126:15
7:19
+0:06
25.2M
25.20 mi13:07:103:01:287:132:45
7:59
+0:40
FINISH
26.22 mi13:14:103:08:287:127:00
6:53
-1:06

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

6:51 /mi

Average Pace

7:12 /mi

Slowest Pace

7:59 /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

2:57:51

94% of race

Time at Steady Pace

10:37

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:11 /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 mi10:26:5821:166:5121:16
6:51
#7269
10K
6.21 mi10:48:5543:136:5821:57
7:04
#8256
15K
9.32 mi11:11:061:05:247:0222:11
7:09
#8680
20K
12.43 mi11:33:331:27:517:0522:27
7:14
#8850
HALF
13.11 mi11:38:181:32:367:044:45
6:59
#8823
25K
15.53 mi11:55:491:50:077:0617:31
7:14
#8828
30K
18.64 mi12:18:322:12:507:0822:43
7:19
#8630
20M
20.00 mi12:28:322:22:507:0910:00
7:22
#8539
21M
21.00 mi12:36:242:30:427:117:52
7:52
#8525
35K
21.75 mi12:41:432:36:017:115:19
7:07
#8454
23M
23.00 mi12:50:572:45:157:129:14
7:23
#8389
24M
24.00 mi12:58:102:52:287:127:13
7:13
#8333
40K
24.85 mi13:04:252:58:437:126:15
7:19
#8284
25.2M
25.20 mi13:07:103:01:287:132:45
7:59
#8261
FINISH
26.22 mi13:14:103:08:287:127:00
6:53
#8150
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 mi7269641364139582(Top 33%)7803(Top 48%)7803(Top 136%)
10K6.21 mi3.10 mi8256-9877058-6457058-6459160(Top 32%)7596(Top 46%)7596(Top 133%)
15K9.32 mi3.11 mi8680-4247311-2537311-2539582(Top 33%)7803(Top 48%)7803(Top 136%)
20K12.43 mi3.11 mi8850-1707404-937404-939542(Top 33%)7687(Top 47%)7687(Top 134%)
HALF13.11 mi0.68 mi8823+277383+217383+218400(Top 29%)7099(Top 43%)7099(Top 124%)
25K15.53 mi2.42 mi8828-57365+187365+189034(Top 31%)7340(Top 45%)7340(Top 128%)
30K18.64 mi3.11 mi8630+1987208+1577208+1578182(Top 28%)6712(Top 41%)6712(Top 117%)
20M20.00 mi1.36 mi8539+917129+797129+798115(Top 28%)6563(Top 40%)6563(Top 115%)
21M21.00 mi1.00 mi8525+147085+447085+448955(Top 31%)6917(Top 42%)6917(Top 121%)
35K21.75 mi0.75 mi8454+717028+577028+577859(Top 27%)6349(Top 39%)6349(Top 111%)
23M23.00 mi1.25 mi8389+656961+676961+677961(Top 27%)6320(Top 39%)6320(Top 110%)
24M24.00 mi1.00 mi8333+566901+606901+607958(Top 27%)6225(Top 38%)6225(Top 109%)
40K24.85 mi0.85 mi8284+496845+566845+567485(Top 26%)5877(Top 36%)5877(Top 103%)
25.2M25.20 mi0.35 mi8261+236814+316814+318134(Top 28%)6169(Top 38%)6169(Top 108%)
FINISH26.22 mi1.02 mi8150+1116728+866728+866595(Top 23%)5255(Top 32%)5255(Top 92%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21
+97ft-345ft

Overall

9582

Males

7803

M18-39

7803

5K→10K

3.1 - 6.2 mi

Top 32%
×5
+79ft-138ft

Overall

9160

Males

7596

M18-39

7596

10K→15K

6.2 - 9.3 mi

Top 33%
×3
+67ft-78ft

Overall

9582

Males

7803

M18-39

7803

15K→20K

9.3 - 12.4 mi

Top 33%
×5
+106ft-86ft

Overall

9542

Males

7687

M18-39

7687

20K→HALF

12.4 - 13.1 mi

Top 29%
×2
+19ft-37ft

Overall

8400

Males

7099

M18-39

7099

HALF→25K

13.1 - 15.5 mi

Top 31%
×4
+66ft-88ft

Overall

9034

Males

7340

M18-39

7340

25K→30K

15.5 - 18.6 mi

Top 28%
×9
+181ft-148ft

Overall

8182

Males

6712

M18-39

6712

30K→20M

18.6 - 20.0 mi

Top 28%
×5
+64ft-50ft

Overall

8115

Males

6563

M18-39

6563

20M→21M

20.0 - 21.0 mi

Top 31%
×8
+106ft-24ft

Overall

8955

Males

6917

M18-39

6917

21M→35K

21.0 - 21.8 mi

Top 27%
×7
+17ft-86ft

Overall

7859

Males

6349

M18-39

6349

35K→23M

21.8 - 23.0 mi

Top 27%
×5
+23ft-63ft

Overall

7961

Males

6320

M18-39

6320

23M→24M

23.0 - 24.0 mi

Top 27%
×6
+12ft-82ft

Overall

7958

Males

6225

M18-39

6225

24M→40K

24.0 - 24.9 mi

Top 26%
×1
+6ft-20ft

Overall

7485

Males

5877

M18-39

5877

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1
+13ft-16ft

Overall

8134

Males

6169

M18-39

6169

25.2M→FINISH

25.2 - 26.2 mi

Top 23%
×2
+22ft-21ft

Overall

6595

Males

5255

M18-39

5255

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1327*
Passed By
1091
Net Change
-881
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7269
5K → 10K26200-987#7269#8256
10K → 15K41200-424#8256#8680
15K → 20K69200-170#8680#8850
20K → HALF4316+27#8850#8823
HALF → 25K102107-5#8823#8828
25K → 30K273*75+198#8828#8630
30K → 20M12938+91#8630#8539
20M → 21M8672+14#8539#8525
21M → 35K8918+71#8525#8454
35K → 23M10338+65#8454#8389
23M → 24M11054+56#8389#8333
24M → 40K8132+49#8333#8284
40K → 25.2M4522+23#8284#8261
25.2M → FINISH13019+111#8261#8150
TOTALS1327*1091-881

* 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

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