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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Kevin Butterfield

Bib: 11250 •M •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 30%
Gender (Male)
#0 / 16340
Top 43%
Masters (Masters Men)
#0 / 10617
Top 30%
Age Group (M50-54)
#0 / 1868
Top 27%
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: #7271
Start → 5K
21:16 | 6:51/mi
10K
42:42
6.21 mi
Rank: #7588 (-317)
5K → 10K
21:26 | 6:54/mi
15K
1:04:34
9.32 mi
Rank: #8035 (-447)
10K → 15K
21:52 | 7:03/mi
20K
1:27:26
12.43 mi
Rank: #8622 (-587)
15K → 20K
22:52 | 7:22/mi
HALF
1:32:13
13.11 mi
Rank: #8616 (+6)
20K → HALF
4:47 | 7:02/mi
25K
1:49:47
15.53 mi
Rank: #8662 (-46)
HALF → 25K
17:34 | 7:15/mi
30K
2:12:49
18.64 mi
Rank: #8618 (+44)
25K → 30K
23:02 | 7:25/mi
20M
2:22:54
20.00 mi
Rank: #8564 (+54)
30K → 20M
10:05 | 7:26/mi
21M
2:30:38
21.00 mi
Rank: #8502 (+62)
20M → 21M
7:44 | 7:44/mi
35K
2:36:09
21.75 mi
Rank: #8496 (+6)
21M → 35K
5:31 | 7:23/mi
23M
2:45:35
23.00 mi
Rank: #8503 (-7)
35K → 23M
9:26 | 7:33/mi
24M
2:53:00
24.00 mi
Rank: #8510 (-7)
23M → 24M
7:25 | 7:25/mi
40K
2:59:28
24.85 mi
Rank: #8521 (-11)
24M → 40K
6:28 | 7:34/mi
25.2M
3:02:20
25.20 mi
Rank: #8512 (+9)
40K → 25.2M
2:52 | 8:19/mi
FINISH
3:09:57
26.22 mi
Rank: #8604 (-92)
25.2M → FINISH
7:37 | 7:29/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:32:13
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:37:44
Pace7:28 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:39:3421:166:5121:16
6:51
-
10K
6.21 mi11:01:0042:426:5321:26
6:54
+0:03
15K
9.32 mi11:22:521:04:346:5621:52
7:03
+0:09
20K
12.43 mi11:45:441:27:267:0322:52
7:22
+0:19
HALF
13.11 mi11:50:311:32:137:034:47
7:02
-0:20
25K
15.53 mi12:08:051:49:477:0517:34
7:15
+0:13
30K
18.64 mi12:31:072:12:497:0823:02
7:25
+0:10
20M
20.00 mi12:41:122:22:547:0910:05
7:26
+0:01
21M
21.00 mi12:48:562:30:387:117:44
7:44
+0:18
35K
21.75 mi12:54:272:36:097:115:31
7:23
-0:21
23M
23.00 mi13:03:532:45:357:129:26
7:33
+0:10
24M
24.00 mi13:11:182:53:007:137:25
7:25
-0:08
40K
24.85 mi13:17:462:59:287:146:28
7:34
+0:09
25.2M
25.20 mi13:20:383:02:207:152:52
8:19
+0:45
FINISH
26.22 mi13:28:153:09:577:157:37
7:29
-0:50

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

7:15 /mi

Slowest Pace

8:19 /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

1:09:21

37% of race

Time at Steady Pace

1:50:00

58% of race

Time at Slower Pace

10:36

6% of race

Average Pace: 7:15 /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 mi10:39:3421:166:5121:16
6:51
#7271
10K
6.21 mi11:01:0042:426:5321:26
6:54
#7588
15K
9.32 mi11:22:521:04:346:5621:52
7:03
#8035
20K
12.43 mi11:45:441:27:267:0322:52
7:22
#8622
HALF
13.11 mi11:50:311:32:137:034:47
7:02
#8616
25K
15.53 mi12:08:051:49:477:0517:34
7:15
#8662
30K
18.64 mi12:31:072:12:497:0823:02
7:25
#8618
20M
20.00 mi12:41:122:22:547:0910:05
7:26
#8564
21M
21.00 mi12:48:562:30:387:117:44
7:44
#8502
35K
21.75 mi12:54:272:36:097:115:31
7:23
#8496
23M
23.00 mi13:03:532:45:357:129:26
7:33
#8503
24M
24.00 mi13:11:182:53:007:137:25
7:25
#8510
40K
24.85 mi13:17:462:59:287:146:28
7:34
#8521
25.2M
25.20 mi13:20:383:02:207:152:52
8:19
#8512
FINISH
26.22 mi13:28:153:09:577:157:37
7:29
#8604
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7271641564158799(Top 30%)7356(Top 45%)7356(Top 394%)
10K6.21 mi3.10 mi7588-3176614-1996614-1997899(Top 27%)6827(Top 42%)6827(Top 365%)
15K9.32 mi3.11 mi8035-4476908-2946908-2948799(Top 30%)7356(Top 45%)7356(Top 394%)
20K12.43 mi3.11 mi8622-5877258-3507258-35010721(Top 37%)8259(Top 51%)8259(Top 442%)
HALF13.11 mi0.68 mi8616+67245+137245+138748(Top 30%)7325(Top 45%)7325(Top 392%)
25K15.53 mi2.42 mi8662-467266-217266-219221(Top 32%)7441(Top 46%)7441(Top 398%)
30K18.64 mi3.11 mi8618+447200+667200+668955(Top 31%)7143(Top 44%)7143(Top 382%)
20M20.00 mi1.36 mi8564+547143+577143+578526(Top 29%)6788(Top 42%)6788(Top 363%)
21M21.00 mi1.00 mi8502+627073+707073+708037(Top 28%)6394(Top 39%)6394(Top 342%)
35K21.75 mi0.75 mi8496+67049+247049+249844(Top 34%)7387(Top 45%)7387(Top 395%)
23M23.00 mi1.25 mi8503-77023+267023+269128(Top 31%)6939(Top 42%)6939(Top 371%)
24M24.00 mi1.00 mi8510-76998+256998+259438(Top 33%)7016(Top 43%)7016(Top 376%)
40K24.85 mi0.85 mi8521-116980+186980+189270(Top 32%)6825(Top 42%)6825(Top 365%)
25.2M25.20 mi0.35 mi8512+96958+226958+2210283(Top 35%)7259(Top 44%)7259(Top 389%)
FINISH26.22 mi1.02 mi8604-926982-246982-2411172(Top 38%)7688(Top 47%)7688(Top 412%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21
+97ft-345ft

Overall

8799

Males

7356

M50-54

7356

5K→10K

3.1 - 6.2 mi

Top 27%
×5
+79ft-138ft

Overall

7899

Males

6827

M50-54

6827

10K→15K

6.2 - 9.3 mi

Top 30%
×3
+67ft-78ft

Overall

8799

Males

7356

M50-54

7356

15K→20K

9.3 - 12.4 mi

Top 37%
×5
+106ft-86ft

Overall

10721

Males

8259

M50-54

8259

20K→HALF

12.4 - 13.1 mi

Top 30%
×2
+19ft-37ft

Overall

8748

Males

7325

M50-54

7325

HALF→25K

13.1 - 15.5 mi

Top 32%
×4
+66ft-88ft

Overall

9221

Males

7441

M50-54

7441

25K→30K

15.5 - 18.6 mi

Top 31%
×9
+181ft-148ft

Overall

8955

Males

7143

M50-54

7143

30K→20M

18.6 - 20.0 mi

Top 29%
×5
+64ft-50ft

Overall

8526

Males

6788

M50-54

6788

20M→21M

20.0 - 21.0 mi

Top 28%
×8
+106ft-24ft

Overall

8037

Males

6394

M50-54

6394

21M→35K

21.0 - 21.8 mi

Top 34%
×7
+17ft-86ft

Overall

9844

Males

7387

M50-54

7387

35K→23M

21.8 - 23.0 mi

Top 31%
×5
+23ft-63ft

Overall

9128

Males

6939

M50-54

6939

23M→24M

23.0 - 24.0 mi

Top 33%
×6
+12ft-82ft

Overall

9438

Males

7016

M50-54

7016

24M→40K

24.0 - 24.9 mi

Top 32%
×1
+6ft-20ft

Overall

9270

Males

6825

M50-54

6825

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1
+13ft-16ft

Overall

10283

Males

7259

M50-54

7259

25.2M→FINISH

25.2 - 26.2 mi

Top 38%
×2
+22ft-21ft

Overall

11172

Males

7688

M50-54

7688

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1042
Passed By
1442
Net Change
-1333
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7271
5K → 10K109200-317#7271#7588
10K → 15K41200-447#7588#8035
15K → 20K32200-587#8035#8622
20K → HALF2418+6#8622#8616
HALF → 25K92138-46#8616#8662
25K → 30K179135+44#8662#8618
30K → 20M11763+54#8618#8564
20M → 21M10846+62#8564#8502
21M → 35K6256+6#8502#8496
35K → 23M7481-7#8496#8503
23M → 24M7683-7#8503#8510
24M → 40K6273-11#8510#8521
40K → 25.2M3223+9#8521#8512
25.2M → FINISH34126-92#8512#8604
TOTALS10421442-1333
📊

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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