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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Brian Rackson

Bib: 4319 •M •Age: N/A

PA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 12%
Gender (Male)
#0 / 16340
Top 20%
Age Group (M18-39)
#0 / 5723
Top 45%
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
20:43
3.11 mi
Rank: #5579
Start → 5K
20:43 | 6:41/mi
10K
41:15
6.21 mi
Rank: #5303 (+276)
5K → 10K
20:32 | 6:37/mi
15K
1:01:30
9.32 mi
Rank: #4931 (+372)
10K → 15K
20:15 | 6:32/mi
20K
1:21:49
12.43 mi
Rank: #4673 (+258)
15K → 20K
20:19 | 6:33/mi
HALF
1:26:13
13.11 mi
Rank: #4631 (+42)
20K → HALF
4:24 | 6:28/mi
25K
1:42:05
15.53 mi
Rank: #4452 (+179)
HALF → 25K
15:52 | 6:33/mi
30K
2:03:03
18.64 mi
Rank: #4317 (+135)
25K → 30K
20:58 | 6:45/mi
20M
2:12:18
20.00 mi
Rank: #4280 (+37)
30K → 20M
9:15 | 6:49/mi
21M
2:19:15
21.00 mi
Rank: #4175 (+105)
20M → 21M
6:57 | 6:57/mi
35K
2:24:04
21.75 mi
Rank: #4117 (+58)
21M → 35K
4:49 | 6:27/mi
23M
2:32:15
23.00 mi
Rank: #3950 (+167)
35K → 23M
8:11 | 6:33/mi
24M
2:38:25
24.00 mi
Rank: #3797 (+153)
23M → 24M
6:10 | 6:10/mi
40K
2:43:47
24.85 mi
Rank: #3666 (+131)
24M → 40K
5:22 | 6:17/mi
25.2M
2:46:07
25.20 mi
Rank: #3609 (+57)
40K → 25.2M
2:20 | 6:46/mi
FINISH
2:52:07
26.22 mi
Rank: #3428 (+181)
25.2M → FINISH
6:00 | 5:54/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:26:13
Pace6:35 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:25:54
Pace6:34 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0520:436:4120:43
6:41
-
10K
6.21 mi10:44:3741:156:3920:32
6:37
-0:04
15K
9.32 mi11:04:521:01:306:3620:15
6:32
-0:05
20K
12.43 mi11:25:111:21:496:3620:19
6:33
+0:01
HALF
13.11 mi11:29:351:26:136:354:24
6:28
-0:05
25K
15.53 mi11:45:271:42:056:3515:52
6:33
+0:05
30K
18.64 mi12:06:252:03:036:3720:58
6:45
+0:12
20M
20.00 mi12:15:402:12:186:379:15
6:49
+0:04
21M
21.00 mi12:22:372:19:156:386:57
6:57
+0:08
35K
21.75 mi12:27:262:24:046:384:49
6:27
-0:30
23M
23.00 mi12:35:372:32:156:388:11
6:33
+0:06
24M
24.00 mi12:41:472:38:256:376:10
6:10
-0:23
40K
24.85 mi12:47:092:43:476:365:22
6:17
+0:07
25.2M
25.20 mi12:49:292:46:076:362:20
6:46
+0:29
FINISH
26.22 mi12:55:292:52:076:356:00
5:54
-0:52

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

5:54 /mi

Average Pace

6:34 /mi

Slowest Pace

6:57 /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

26:45

16% of race

Time at Steady Pace

2:25:22

84% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:34 /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 mi10:24:0520:436:4120:43
6:41
#5579
10K
6.21 mi10:44:3741:156:3920:32
6:37
#5303
15K
9.32 mi11:04:521:01:306:3620:15
6:32
#4931
20K
12.43 mi11:25:111:21:496:3620:19
6:33
#4673
HALF
13.11 mi11:29:351:26:136:354:24
6:28
#4631
25K
15.53 mi11:45:271:42:056:3515:52
6:33
#4452
30K
18.64 mi12:06:252:03:036:3720:58
6:45
#4317
20M
20.00 mi12:15:402:12:186:379:15
6:49
#4280
21M
21.00 mi12:22:372:19:156:386:57
6:57
#4175
35K
21.75 mi12:27:262:24:046:384:49
6:27
#4117
23M
23.00 mi12:35:372:32:156:388:11
6:33
#3950
24M
24.00 mi12:41:472:38:256:376:10
6:10
#3797
40K
24.85 mi12:47:092:43:476:365:22
6:17
#3666
25.2M
25.20 mi12:49:292:46:076:362:20
6:46
#3609
FINISH
26.22 mi12:55:292:52:076:356:00
5:54
#3428
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 mi5579514051404334(Top 15%)4090(Top 25%)4090(Top 71%)
10K6.21 mi3.10 mi5303+2764926+2144926+2145083(Top 18%)4730(Top 29%)4730(Top 83%)
15K9.32 mi3.11 mi4931+3724609+3174609+3174334(Top 15%)4090(Top 25%)4090(Top 71%)
20K12.43 mi3.11 mi4673+2584387+2224387+2224029(Top 14%)3809(Top 23%)3809(Top 67%)
HALF13.11 mi0.68 mi4631+424348+394348+394063(Top 14%)3842(Top 24%)3842(Top 67%)
25K15.53 mi2.42 mi4452+1794187+1614187+1613713(Top 13%)3512(Top 21%)3512(Top 61%)
30K18.64 mi3.11 mi4317+1354063+1244063+1243977(Top 14%)3697(Top 23%)3697(Top 65%)
20M20.00 mi1.36 mi4280+374020+434020+434188(Top 14%)3816(Top 23%)3816(Top 67%)
21M21.00 mi1.00 mi4175+1053923+973923+973173(Top 11%)2943(Top 18%)2943(Top 51%)
35K21.75 mi0.75 mi4117+583864+593864+593221(Top 11%)2996(Top 18%)2996(Top 52%)
23M23.00 mi1.25 mi3950+1673708+1563708+1562612(Top 9%)2446(Top 15%)2446(Top 43%)
24M24.00 mi1.00 mi3797+1533564+1443564+1441658(Top 6%)1573(Top 10%)1573(Top 27%)
40K24.85 mi0.85 mi3666+1313459+1053459+1051675(Top 6%)1581(Top 10%)1581(Top 28%)
25.2M25.20 mi0.35 mi3609+573404+553404+551771(Top 6%)1658(Top 10%)1658(Top 29%)
FINISH26.22 mi1.02 mi3428+1813239+1653239+1651254(Top 4%)1190(Top 7%)1190(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21
+97ft-345ft

Overall

4334

Males

4090

M18-39

4090

5K→10K

3.1 - 6.2 mi

Top 18%
×5
+79ft-138ft

Overall

5083

Males

4730

M18-39

4730

10K→15K

6.2 - 9.3 mi

Top 15%
×3
+67ft-78ft

Overall

4334

Males

4090

M18-39

4090

15K→20K

9.3 - 12.4 mi

Top 14%
×5
+106ft-86ft

Overall

4029

Males

3809

M18-39

3809

20K→HALF

12.4 - 13.1 mi

Top 14%
×2
+19ft-37ft

Overall

4063

Males

3842

M18-39

3842

HALF→25K

13.1 - 15.5 mi

Top 13%
×4
+66ft-88ft

Overall

3713

Males

3512

M18-39

3512

25K→30K

15.5 - 18.6 mi

Top 14%
×9
+181ft-148ft

Overall

3977

Males

3697

M18-39

3697

30K→20M

18.6 - 20.0 mi

Top 14%
×5
+64ft-50ft

Overall

4188

Males

3816

M18-39

3816

20M→21M

20.0 - 21.0 mi

Top 11%
×8
+106ft-24ft

Overall

3173

Males

2943

M18-39

2943

21M→35K

21.0 - 21.8 mi

Top 11%
×7
+17ft-86ft

Overall

3221

Males

2996

M18-39

2996

35K→23M

21.8 - 23.0 mi

Top 9%
×5
+23ft-63ft

Overall

2612

Males

2446

M18-39

2446

23M→24M

23.0 - 24.0 mi

Top 6%
×6
+12ft-82ft

Overall

1658

Males

1573

M18-39

1573

24M→40K

24.0 - 24.9 mi

Top 6%
×1
+6ft-20ft

Overall

1675

Males

1581

M18-39

1581

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1
+13ft-16ft

Overall

1771

Males

1658

M18-39

1658

25.2M→FINISH

25.2 - 26.2 mi

Top 4%
×2
+22ft-21ft

Overall

1254

Males

1190

M18-39

1190

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2385*
Passed By
234
Net Change
+2151
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5579
5K → 10K353*77+276#5579#5303
10K → 15K383*11+372#5303#4931
15K → 20K266*8+258#4931#4673
20K → HALF464+42#4673#4631
HALF → 25K19112+179#4631#4452
25K → 30K17540+135#4452#4317
30K → 20M8245+37#4317#4280
20M → 21M11510+105#4280#4175
21M → 35K7214+58#4175#4117
35K → 23M1736+167#4117#3950
23M → 24M1574+153#3950#3797
24M → 40K1321+131#3797#3666
40K → 25.2M581+57#3666#3609
25.2M → FINISH1821+181#3609#3428
TOTALS2385*234+2151

* 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

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