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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

John Casterline

Bib: 11814 •M •Age: N/A

AL

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M60-64)
#0 / 1514
Race Day Weather
51°/41°F
overcast clouds
Personalized for John

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 8:29/mi at mile 15.5

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
27:27
3.11 mi
Rank: #21861
Start → 5K
27:27 | 8:51/mi
10K
54:14
6.21 mi
Rank: #21478 (+383)
5K → 10K
26:47 | 8:38/mi
15K
1:20:44
9.32 mi
Rank: #21081 (+397)
10K → 15K
26:30 | 8:32/mi
20K
1:47:31
12.43 mi
Rank: #20793 (+288)
15K → 20K
26:47 | 8:38/mi
HALF
1:53:21
13.11 mi
Rank: #20770 (+23)
20K → HALF
5:50 | 8:34/mi
25K
2:13:55
15.53 mi
Rank: #20391 (+379)
HALF → 25K
20:34 | 8:29/mi
30K
2:43:28
18.64 mi
Rank: #20695 (-304)
25K → 30K
29:33 | 9:31/mi
20M
2:57:44
20.00 mi
Rank: #21019 (-324)
30K → 20M
14:16 | 10:31/mi
21M
3:08:51
21.00 mi
Rank: #21255 (-236)
20M → 21M
11:07 | 11:07/mi
35K
3:16:40
21.75 mi
Rank: #21431 (-176)
21M → 35K
7:49 | 10:27/mi
23M
3:29:04
23.00 mi
Rank: #21473 (-42)
35K → 23M
12:24 | 9:55/mi
24M
3:39:26
24.00 mi
Rank: #21646 (-173)
23M → 24M
10:22 | 10:22/mi
40K
3:48:27
24.85 mi
Rank: #21772 (-126)
24M → 40K
9:01 | 10:33/mi
25.2M
3:52:32
25.20 mi
Rank: #21840 (-68)
40K → 25.2M
4:05 | 11:51/mi
FINISH
4:03:17
26.22 mi
Rank: #21984 (-144)
25.2M → FINISH
10:45 | 10:33/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:21
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:09:56
Pace9:55 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0927:278:5127:27
8:51
-
10K
6.21 mi11:13:5654:148:4426:47
8:38
-0:13
15K
9.32 mi11:40:261:20:448:4026:30
8:32
-0:06
20K
12.43 mi12:07:131:47:318:4026:47
8:38
+0:06
HALF
13.11 mi12:13:031:53:218:395:50
8:34
-0:04
25K
15.53 mi12:33:372:13:558:3820:34
8:29
-0:05
30K
18.64 mi13:03:102:43:288:4729:33
9:31
+1:02
20M
20.00 mi13:17:262:57:448:5414:16
10:31
+1:00
21M
21.00 mi13:28:333:08:519:0011:07
11:07
+0:36
35K
21.75 mi13:36:223:16:409:037:49
10:27
-0:40
23M
23.00 mi13:48:463:29:049:0612:24
9:55
-0:32
24M
24.00 mi13:59:083:39:269:0910:22
10:22
+0:27
40K
24.85 mi14:08:093:48:279:129:01
10:33
+0:11
25.2M
25.20 mi14:12:143:52:329:144:05
11:51
+1:18
FINISH
26.22 mi14:22:594:03:179:1810:45
10:33
-1:18

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

8:29 /mi

Average Pace

9:17 /mi

Slowest Pace

11:51 /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

2:13:55

55% of race

Time at Steady Pace

52:19

22% of race

Time at Slower Pace

57:03

23% of race

Average Pace: 9:17 /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 mi10:47:0927:278:5127:27
8:51
#21861
10K
6.21 mi11:13:5654:148:4426:47
8:38
#21478
15K
9.32 mi11:40:261:20:448:4026:30
8:32
#21081
20K
12.43 mi12:07:131:47:318:4026:47
8:38
#20793
HALF
13.11 mi12:13:031:53:218:395:50
8:34
#20770
25K
15.53 mi12:33:372:13:558:3820:34
8:29
#20391
30K
18.64 mi13:03:102:43:288:4729:33
9:31
#20695
20M
20.00 mi13:17:262:57:448:5414:16
10:31
#21019
21M
21.00 mi13:28:333:08:519:0011:07
11:07
#21255
35K
21.75 mi13:36:223:16:409:037:49
10:27
#21431
23M
23.00 mi13:48:463:29:049:0612:24
9:55
#21473
24M
24.00 mi13:59:083:39:269:0910:22
10:22
#21646
40K
24.85 mi14:08:093:48:279:129:01
10:33
#21772
25.2M
25.20 mi14:12:143:52:329:144:05
11:51
#21840
FINISH
26.22 mi14:22:594:03:179:1810:45
10:33
#21984
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi21861131431314320318(Top 70%)12475(Top 76%)12475(Top 824%)
10K6.21 mi3.10 mi21478+38312987+15612987+15621007(Top 72%)12795(Top 78%)12795(Top 845%)
15K9.32 mi3.11 mi21081+39712808+17912808+17920318(Top 70%)12475(Top 76%)12475(Top 824%)
20K12.43 mi3.11 mi20793+28812666+14212666+14219976(Top 69%)12285(Top 75%)12285(Top 811%)
HALF13.11 mi0.68 mi20770+2312653+1312653+1320578(Top 71%)12598(Top 77%)12598(Top 832%)
25K15.53 mi2.42 mi20391+37912474+17912474+17918468(Top 64%)11568(Top 71%)11568(Top 764%)
30K18.64 mi3.11 mi20695-30412581-10712581-10721678(Top 75%)12984(Top 79%)12984(Top 858%)
20M20.00 mi1.36 mi21019-32412727-14612727-14623850(Top 82%)13930(Top 85%)13930(Top 920%)
21M21.00 mi1.00 mi21255-23612842-11512842-11523363(Top 81%)13650(Top 84%)13650(Top 902%)
35K21.75 mi0.75 mi21431-17612918-7612918-7624194(Top 83%)14006(Top 86%)14006(Top 925%)
23M23.00 mi1.25 mi21473-4212935-1712935-1721867(Top 75%)12854(Top 79%)12854(Top 849%)
24M24.00 mi1.00 mi21646-17313000-6513000-6523757(Top 82%)13729(Top 84%)13729(Top 907%)
40K24.85 mi0.85 mi21772-12613040-4013040-4023306(Top 80%)13441(Top 82%)13441(Top 888%)
25.2M25.20 mi0.35 mi21840-6813071-3113071-3124139(Top 83%)13841(Top 85%)13841(Top 914%)
FINISH26.22 mi1.02 mi21984-14413124-5313124-5325153(Top 87%)14343(Top 88%)14343(Top 947%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21
+97ft-345ft

Overall

20318

Males

12475

M60-64

12475

5K→10K

3.1 - 6.2 mi

Top 72%
×5
+79ft-138ft

Overall

21007

Males

12795

M60-64

12795

10K→15K

6.2 - 9.3 mi

Top 70%
×3
+67ft-78ft

Overall

20318

Males

12475

M60-64

12475

15K→20K

9.3 - 12.4 mi

Top 69%
×5
+106ft-86ft

Overall

19976

Males

12285

M60-64

12285

20K→HALF

12.4 - 13.1 mi

Top 71%
×2
+19ft-37ft

Overall

20578

Males

12598

M60-64

12598

HALF→25K

13.1 - 15.5 mi

Top 64%
×4
+66ft-88ft

Overall

18468

Males

11568

M60-64

11568

25K→30K

15.5 - 18.6 mi

Top 75%
×9
+181ft-148ft

Overall

21678

Males

12984

M60-64

12984

30K→20M

18.6 - 20.0 mi

Top 82%
×5
+64ft-50ft

Overall

23850

Males

13930

M60-64

13930

20M→21M

20.0 - 21.0 mi

Top 81%
×8
+106ft-24ft

Overall

23363

Males

13650

M60-64

13650

21M→35K

21.0 - 21.8 mi

Top 83%
×7
+17ft-86ft

Overall

24194

Males

14006

M60-64

14006

35K→23M

21.8 - 23.0 mi

Top 75%
×5
+23ft-63ft

Overall

21867

Males

12854

M60-64

12854

23M→24M

23.0 - 24.0 mi

Top 82%
×6
+12ft-82ft

Overall

23757

Males

13729

M60-64

13729

24M→40K

24.0 - 24.9 mi

Top 80%
×1
+6ft-20ft

Overall

23306

Males

13441

M60-64

13441

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1
+13ft-16ft

Overall

24139

Males

13841

M60-64

13841

25.2M→FINISH

25.2 - 26.2 mi

Top 87%
×2
+22ft-21ft

Overall

25153

Males

14343

M60-64

14343

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2006*
Passed By
1719
Net Change
-123
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21861
5K → 10K527*144+383#21861#21478
10K → 15K439*42+397#21478#21081
15K → 20K330*42+288#21081#20793
20K → HALF4724+23#20793#20770
HALF → 25K386*7+379#20770#20391
25K → 30K101200-304#20391#20695
30K → 20M23200-324#20695#21019
20M → 21M22200-236#21019#21255
21M → 35K16192-176#21255#21431
35K → 23M61103-42#21431#21473
23M → 24M15188-173#21473#21646
24M → 40K22148-126#21646#21772
40K → 25.2M573-68#21772#21840
25.2M → FINISH12156-144#21840#21984
TOTALS2006*1719-123

* 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

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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