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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

David Marchefka

Bib: 4836 β€’M β€’Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 47%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 50%
Age Group (M40-44)
#0 / 2198
Race Day Weather
51Β°/41Β°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
22:28
3.11 mi
Rank: #10456
Start β†’ 5K
22:28 | 7:14/mi
10K
45:37
6.21 mi
Rank: #11446 (-990)
5K β†’ 10K
23:09 | 7:28/mi
15K
1:09:33
9.32 mi
Rank: #12487 (-1041)
10K β†’ 15K
23:56 | 7:43/mi
20K
1:34:05
12.43 mi
Rank: #13193 (-706)
15K β†’ 20K
24:32 | 7:54/mi
HALF
1:39:08
13.11 mi
Rank: #13138 (+55)
20K β†’ HALF
5:03 | 7:25/mi
25K
1:57:47
15.53 mi
Rank: #13107 (+31)
HALF β†’ 25K
18:39 | 7:42/mi
30K
2:22:44
18.64 mi
Rank: #13173 (-66)
25K β†’ 30K
24:57 | 8:02/mi
20M
2:34:04
20.00 mi
Rank: #13313 (-140)
30K β†’ 20M
11:20 | 8:21/mi
21M
2:42:44
21.00 mi
Rank: #13331 (-18)
20M β†’ 21M
8:40 | 8:40/mi
35K
2:48:37
21.75 mi
Rank: #13321 (+10)
21M β†’ 35K
5:53 | 7:52/mi
23M
2:58:51
23.00 mi
Rank: #13312 (+9)
35K β†’ 23M
10:14 | 8:11/mi
24M
3:07:00
24.00 mi
Rank: #13374 (-62)
23M β†’ 24M
8:09 | 8:09/mi
40K
3:14:11
24.85 mi
Rank: #13442 (-68)
24M β†’ 40K
7:11 | 8:25/mi
25.2M
3:17:22
25.20 mi
Rank: #13489 (-47)
40K β†’ 25.2M
3:11 | 9:14/mi
FINISH
3:25:59
26.22 mi
Rank: #13704 (-215)
25.2M β†’ FINISH
8:37 | 8:28/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:39:08
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:46:51
Pace8:10 /mi
πŸ“ŠPositive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2622:287:1422:28
7:14
-
10K
6.21 mi10:48:3545:377:2123:09
7:28
+0:14
15K
9.32 mi11:12:311:09:337:2823:56
7:43
+0:15
20K
12.43 mi11:37:031:34:057:3524:32
7:54
+0:11
HALF
13.11 mi11:42:061:39:087:345:03
7:25
-0:29
25K
15.53 mi12:00:451:57:477:3518:39
7:42
+0:17
30K
18.64 mi12:25:422:22:447:4024:57
8:02
+0:20
20M
20.00 mi12:37:022:34:047:4311:20
8:21
+0:19
21M
21.00 mi12:45:422:42:447:458:40
8:40
+0:19
35K
21.75 mi12:51:352:48:377:465:53
7:52
-0:48
23M
23.00 mi13:01:492:58:517:4710:14
8:11
+0:19
24M
24.00 mi13:09:583:07:007:488:09
8:09
-0:02
40K
24.85 mi13:17:093:14:117:497:11
8:25
+0:16
25.2M
25.20 mi13:20:203:17:227:503:11
9:14
+0:49
FINISH
26.22 mi13:28:573:25:597:528:37
8:28
-0:46

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

7:14 /mi

Average Pace

7:52 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:33:15

45% of race

Time at Steady Pace

1:13:45

36% of race

Time at Slower Pace

38:59

19% of race

Average Pace: 7:51 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:25:2622:287:1422:28
7:14
#10456
10K
6.21 mi10:48:3545:377:2123:09
7:28
#11446
15K
9.32 mi11:12:311:09:337:2823:56
7:43
#12487
20K
12.43 mi11:37:031:34:057:3524:32
7:54
#13193
HALF
13.11 mi11:42:061:39:087:345:03
7:25
#13138
25K
15.53 mi12:00:451:57:477:3518:39
7:42
#13107
30K
18.64 mi12:25:422:22:447:4024:57
8:02
#13173
20M
20.00 mi12:37:022:34:047:4311:20
8:21
#13313
21M
21.00 mi12:45:422:42:447:458:40
8:40
#13331
35K
21.75 mi12:51:352:48:377:465:53
7:52
#13321
23M
23.00 mi13:01:492:58:517:4710:14
8:11
#13312
24M
24.00 mi13:09:583:07:007:488:09
8:09
#13374
40K
24.85 mi13:17:093:14:117:497:11
8:25
#13442
25.2M
25.20 mi13:20:203:17:227:503:11
9:14
#13489
FINISH
26.22 mi13:28:573:25:597:528:37
8:28
#13704
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi104568318831814560(Top 50%)10015(Top 61%)10015(Top 456%)
10K6.21 mi3.10 mi11446-9908768-4508768-45012501(Top 43%)9198(Top 56%)9198(Top 418%)
15K9.32 mi3.11 mi12487-10419200-4329200-43214560(Top 50%)10015(Top 61%)10015(Top 456%)
20K12.43 mi3.11 mi13193-7069452-2529452-25215269(Top 53%)10244(Top 63%)10244(Top 466%)
HALF13.11 mi0.68 mi13138+559426+269426+2612165(Top 42%)9020(Top 55%)9020(Top 410%)
25K15.53 mi2.42 mi13107+319398+289398+2812963(Top 45%)9206(Top 56%)9206(Top 419%)
30K18.64 mi3.11 mi13173-669373+259373+2513687(Top 47%)9410(Top 58%)9410(Top 428%)
20M20.00 mi1.36 mi13313-1409417-449417-4415175(Top 52%)9953(Top 61%)9953(Top 453%)
21M21.00 mi1.00 mi13331-189404+139404+1314153(Top 49%)9434(Top 58%)9434(Top 429%)
35K21.75 mi0.75 mi13321+109382+229382+2213491(Top 46%)9086(Top 56%)9086(Top 413%)
23M23.00 mi1.25 mi13312+99359+239359+2313614(Top 47%)9064(Top 55%)9064(Top 412%)
24M24.00 mi1.00 mi13374-629357+29357+214724(Top 51%)9483(Top 58%)9483(Top 431%)
40K24.85 mi0.85 mi13442-689362-59362-515044(Top 52%)9528(Top 58%)9528(Top 433%)
25.2M25.20 mi0.35 mi13489-479377-159377-1515880(Top 55%)9908(Top 61%)9908(Top 451%)
FINISH26.22 mi1.02 mi13704-2159444-679444-6717887(Top 62%)10827(Top 66%)10827(Top 493%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
Γ—21
+97ft-345ft

Overall

14560

Males

10015

M40-44

10015

5K→10K

3.1 - 6.2 mi

Top 43%
Γ—5
+79ft-138ft

Overall

12501

Males

9198

M40-44

9198

10K→15K

6.2 - 9.3 mi

Top 50%
Γ—3
+67ft-78ft

Overall

14560

Males

10015

M40-44

10015

15K→20K

9.3 - 12.4 mi

Top 53%
Γ—5
+106ft-86ft

Overall

15269

Males

10244

M40-44

10244

20K→HALF

12.4 - 13.1 mi

Top 42%
Γ—2
+19ft-37ft

Overall

12165

Males

9020

M40-44

9020

HALF→25K

13.1 - 15.5 mi

Top 45%
Γ—4
+66ft-88ft

Overall

12963

Males

9206

M40-44

9206

25K→30K

15.5 - 18.6 mi

Top 47%
Γ—9
+181ft-148ft

Overall

13687

Males

9410

M40-44

9410

30K→20M

18.6 - 20.0 mi

Top 52%
Γ—5
+64ft-50ft

Overall

15175

Males

9953

M40-44

9953

20M→21M

20.0 - 21.0 mi

Top 49%
Γ—8
+106ft-24ft

Overall

14153

Males

9434

M40-44

9434

21M→35K

21.0 - 21.8 mi

Top 46%
Γ—7
+17ft-86ft

Overall

13491

Males

9086

M40-44

9086

35K→23M

21.8 - 23.0 mi

Top 47%
Γ—5
+23ft-63ft

Overall

13614

Males

9064

M40-44

9064

23M→24M

23.0 - 24.0 mi

Top 51%
Γ—6
+12ft-82ft

Overall

14724

Males

9483

M40-44

9483

24M→40K

24.0 - 24.9 mi

Top 52%
Γ—1
+6ft-20ft

Overall

15044

Males

9528

M40-44

9528

40K→25.2M

24.9 - 25.2 mi

Top 55%
Γ—1
+13ft-16ft

Overall

15880

Males

9908

M40-44

9908

25.2M→FINISH

25.2 - 26.2 mi

Top 62%
Γ—2
+22ft-21ft

Overall

17887

Males

10827

M40-44

10827

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
890
Passed By
1843
Net Change
-3248
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#10456
5K β†’ 10K28200-990#10456#11446
10K β†’ 15K28200-1041#11446#12487
15K β†’ 20K26200-706#12487#13193
20K β†’ HALF6813+55#13193#13138
HALF β†’ 25K133102+31#13138#13107
25K β†’ 30K162200-66#13107#13173
30K β†’ 20M71200-140#13173#13313
20M β†’ 21M7290-18#13313#13331
21M β†’ 35K6656+10#13331#13321
35K β†’ 23M9586+9#13321#13312
23M β†’ 24M52114-62#13312#13374
24M β†’ 40K46114-68#13374#13442
40K β†’ 25.2M2168-47#13442#13489
25.2M β†’ FINISH22200-215#13489#13704
TOTALS8901843-3248
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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