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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Brian Sieber

Bib: 28874 β€’M β€’Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 43%
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
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
23:34
3.11 mi
Rank: #13491
Start β†’ 5K
23:34 | 7:36/mi
10K
46:23
6.21 mi
Rank: #12526 (+965)
5K β†’ 10K
22:49 | 7:21/mi
15K
1:08:58
9.32 mi
Rank: #11935 (+591)
10K β†’ 15K
22:35 | 7:17/mi
20K
1:31:47
12.43 mi
Rank: #11587 (+348)
15K β†’ 20K
22:49 | 7:21/mi
HALF
1:36:39
13.11 mi
Rank: #11500 (+87)
20K β†’ HALF
4:52 | 7:09/mi
25K
1:54:53
15.53 mi
Rank: #11520 (-20)
HALF β†’ 25K
18:14 | 7:32/mi
30K
2:19:28
18.64 mi
Rank: #11735 (-215)
25K β†’ 30K
24:35 | 7:55/mi
20M
2:30:22
20.00 mi
Rank: #11796 (-61)
30K β†’ 20M
10:54 | 8:02/mi
21M
2:38:53
21.00 mi
Rank: #11877 (-81)
20M β†’ 21M
8:31 | 8:31/mi
35K
2:44:55
21.75 mi
Rank: #11989 (-112)
21M β†’ 35K
6:02 | 8:04/mi
23M
2:55:17
23.00 mi
Rank: #12121 (-132)
35K β†’ 23M
10:22 | 8:18/mi
24M
3:03:49
24.00 mi
Rank: #12349 (-228)
23M β†’ 24M
8:32 | 8:32/mi
40K
3:11:22
24.85 mi
Rank: #12560 (-211)
24M β†’ 40K
7:33 | 8:50/mi
25.2M
3:14:27
25.20 mi
Rank: #12585 (-25)
40K β†’ 25.2M
3:05 | 8:57/mi
FINISH
3:22:12
26.22 mi
Rank: #12528 (+57)
25.2M β†’ FINISH
7:45 | 7:37/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:36:39
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:45:33
Pace8:04 /mi
πŸ“ŠPositive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5023:347:3623:34
7:36
-
10K
6.21 mi12:10:3946:237:2822:49
7:21
-0:15
15K
9.32 mi12:33:141:08:587:2422:35
7:17
-0:04
20K
12.43 mi12:56:031:31:477:2422:49
7:21
+0:04
HALF
13.11 mi13:00:551:36:397:234:52
7:09
-0:12
25K
15.53 mi13:19:091:54:537:2418:14
7:32
+0:23
30K
18.64 mi13:43:442:19:287:2924:35
7:55
+0:23
20M
20.00 mi13:54:382:30:227:3210:54
8:02
+0:07
21M
21.00 mi14:03:092:38:537:348:31
8:31
+0:29
35K
21.75 mi14:09:112:44:557:356:02
8:04
-0:27
23M
23.00 mi14:19:332:55:177:3810:22
8:18
+0:14
24M
24.00 mi14:28:053:03:497:408:32
8:32
+0:14
40K
24.85 mi14:35:383:11:227:427:33
8:50
+0:18
25.2M
25.20 mi14:38:433:14:277:433:05
8:57
+0:07
FINISH
26.22 mi14:46:283:22:127:447:45
7:37
-1:20

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

7:09 /mi

Average Pace

7:43 /mi

Slowest Pace

8:57 /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

2:02:38

61% of race

Time at Steady Pace

41:31

21% of race

Time at Slower Pace

38:03

19% of race

Average Pace: 7:43 /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 mi11:47:5023:347:3623:34
7:36
#13491
10K
6.21 mi12:10:3946:237:2822:49
7:21
#12526
15K
9.32 mi12:33:141:08:587:2422:35
7:17
#11935
20K
12.43 mi12:56:031:31:477:2422:49
7:21
#11587
HALF
13.11 mi13:00:551:36:397:234:52
7:09
#11500
25K
15.53 mi13:19:091:54:537:2418:14
7:32
#11520
30K
18.64 mi13:43:442:19:287:2924:35
7:55
#11735
20M
20.00 mi13:54:382:30:227:3210:54
8:02
#11796
21M
21.00 mi14:03:092:38:537:348:31
8:31
#11877
35K
21.75 mi14:09:112:44:557:356:02
8:04
#11989
23M
23.00 mi14:19:332:55:177:3810:22
8:18
#12121
24M
24.00 mi14:28:053:03:497:408:32
8:32
#12349
40K
24.85 mi14:35:383:11:227:427:33
8:50
#12560
25.2M
25.20 mi14:38:433:14:277:433:05
8:57
#12585
FINISH
26.22 mi14:46:283:22:127:447:45
7:37
#12528
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 mi134919669966910749(Top 37%)8377(Top 51%)8377(Top 146%)
10K6.21 mi3.10 mi12526+9659236+4339236+43311526(Top 40%)8769(Top 54%)8769(Top 153%)
15K9.32 mi3.11 mi11935+5918967+2698967+26910749(Top 37%)8377(Top 51%)8377(Top 146%)
20K12.43 mi3.11 mi11587+3488773+1948773+19410590(Top 36%)8209(Top 50%)8209(Top 143%)
HALF13.11 mi0.68 mi11500+878735+388735+389768(Top 34%)7886(Top 48%)7886(Top 138%)
25K15.53 mi2.42 mi11520-208706+298706+2911571(Top 40%)8600(Top 53%)8600(Top 150%)
30K18.64 mi3.11 mi11735-2158763-578763-5712828(Top 44%)9025(Top 55%)9025(Top 158%)
20M20.00 mi1.36 mi11796-618769-68769-612986(Top 45%)9004(Top 55%)9004(Top 157%)
21M21.00 mi1.00 mi11877-818788-198788-1913184(Top 45%)8982(Top 55%)8982(Top 157%)
35K21.75 mi0.75 mi11989-1128816-288816-2814871(Top 51%)9685(Top 59%)9685(Top 169%)
23M23.00 mi1.25 mi12121-1328844-288844-2814329(Top 49%)9383(Top 57%)9383(Top 164%)
24M24.00 mi1.00 mi12349-2288908-648908-6417069(Top 59%)10489(Top 64%)10489(Top 183%)
40K24.85 mi0.85 mi12560-2118989-818989-8117508(Top 60%)10650(Top 65%)10650(Top 186%)
25.2M25.20 mi0.35 mi12585-258985+48985+414289(Top 49%)9174(Top 56%)9174(Top 160%)
FINISH26.22 mi1.02 mi12528+578930+558930+5512239(Top 42%)8201(Top 50%)8201(Top 143%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
Γ—21
+97ft-345ft

Overall

10749

Males

8377

M18-39

8377

5K→10K

3.1 - 6.2 mi

Top 40%
Γ—5
+79ft-138ft

Overall

11526

Males

8769

M18-39

8769

10K→15K

6.2 - 9.3 mi

Top 37%
Γ—3
+67ft-78ft

Overall

10749

Males

8377

M18-39

8377

15K→20K

9.3 - 12.4 mi

Top 36%
Γ—5
+106ft-86ft

Overall

10590

Males

8209

M18-39

8209

20K→HALF

12.4 - 13.1 mi

Top 34%
Γ—2
+19ft-37ft

Overall

9768

Males

7886

M18-39

7886

HALF→25K

13.1 - 15.5 mi

Top 40%
Γ—4
+66ft-88ft

Overall

11571

Males

8600

M18-39

8600

25K→30K

15.5 - 18.6 mi

Top 44%
Γ—9
+181ft-148ft

Overall

12828

Males

9025

M18-39

9025

30K→20M

18.6 - 20.0 mi

Top 45%
Γ—5
+64ft-50ft

Overall

12986

Males

9004

M18-39

9004

20M→21M

20.0 - 21.0 mi

Top 45%
Γ—8
+106ft-24ft

Overall

13184

Males

8982

M18-39

8982

21M→35K

21.0 - 21.8 mi

Top 51%
Γ—7
+17ft-86ft

Overall

14871

Males

9685

M18-39

9685

35K→23M

21.8 - 23.0 mi

Top 49%
Γ—5
+23ft-63ft

Overall

14329

Males

9383

M18-39

9383

23M→24M

23.0 - 24.0 mi

Top 59%
Γ—6
+12ft-82ft

Overall

17069

Males

10489

M18-39

10489

24M→40K

24.0 - 24.9 mi

Top 60%
Γ—1
+6ft-20ft

Overall

17508

Males

10650

M18-39

10650

40K→25.2M

24.9 - 25.2 mi

Top 49%
Γ—1
+13ft-16ft

Overall

14289

Males

9174

M18-39

9174

25.2M→FINISH

25.2 - 26.2 mi

Top 42%
Γ—2
+22ft-21ft

Overall

12239

Males

8201

M18-39

8201

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2728*
Passed By
1525
Net Change
+963
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#13491
5K β†’ 10K1006*41+965#13491#12526
10K β†’ 15K610*19+591#12526#11935
15K β†’ 20K371*23+348#11935#11587
20K β†’ HALF892+87#11587#11500
HALF β†’ 25K117137-20#11500#11520
25K β†’ 30K125200-215#11520#11735
30K β†’ 20M72133-61#11735#11796
20M β†’ 21M58139-81#11796#11877
21M β†’ 35K30142-112#11877#11989
35K β†’ 23M67199-132#11989#12121
23M β†’ 24M35200-228#12121#12349
24M β†’ 40K26200-211#12349#12560
40K β†’ 25.2M2752-25#12560#12585
25.2M β†’ FINISH9538+57#12585#12528
TOTALS2728*1525+963

* Includes athletes who did not complete a segment (DNF/DNQ).

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

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OTQ

Olympic Trials Qualifying analysis available

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