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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Karl Johnson

Bib: 8520 •M •Age: N/A

AZ

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 21%
Gender (Male)
#0 / 16340
Top 33%
Masters (Masters Men)
#0 / 10617
Top 18%
Age Group (M50-54)
#0 / 1868
Top 13%
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
20:53
3.11 mi
Rank: #6098
Start → 5K
20:53 | 6:44/mi
10K
41:42
6.21 mi
Rank: #6012 (+86)
5K → 10K
20:49 | 6:43/mi
15K
1:02:57
9.32 mi
Rank: #6374 (-362)
10K → 15K
21:15 | 6:51/mi
20K
1:23:56
12.43 mi
Rank: #6150 (+224)
15K → 20K
20:59 | 6:46/mi
HALF
1:28:28
13.11 mi
Rank: #6119 (+31)
20K → HALF
4:32 | 6:40/mi
25K
1:44:59
15.53 mi
Rank: #6069 (+50)
HALF → 25K
16:31 | 6:49/mi
30K
2:06:45
18.64 mi
Rank: #6008 (+61)
25K → 30K
21:46 | 7:01/mi
20M
2:16:18
20.00 mi
Rank: #5993 (+15)
30K → 20M
9:33 | 7:02/mi
21M
2:23:40
21.00 mi
Rank: #5949 (+44)
20M → 21M
7:22 | 7:22/mi
35K
2:28:43
21.75 mi
Rank: #5917 (+32)
21M → 35K
5:03 | 6:46/mi
23M
2:37:20
23.00 mi
Rank: #5802 (+115)
35K → 23M
8:37 | 6:54/mi
24M
2:44:09
24.00 mi
Rank: #5744 (+58)
23M → 24M
6:49 | 6:49/mi
40K
2:50:05
24.85 mi
Rank: #5685 (+59)
24M → 40K
5:56 | 6:57/mi
25.2M
2:52:47
25.20 mi
Rank: #5723 (-38)
40K → 25.2M
2:42 | 7:50/mi
FINISH
3:00:35
26.22 mi
Rank: #6008 (-285)
25.2M → FINISH
7:48 | 7:40/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:28:28
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:32:07
Pace7:02 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:35:5520:536:4420:53
6:44
-
10K
6.21 mi10:56:4441:426:4320:49
6:43
-0:01
15K
9.32 mi11:17:591:02:576:4621:15
6:51
+0:08
20K
12.43 mi11:38:581:23:566:4620:59
6:46
-0:05
HALF
13.11 mi11:43:301:28:286:454:32
6:40
-0:06
25K
15.53 mi12:00:011:44:596:4616:31
6:49
+0:09
30K
18.64 mi12:21:472:06:456:4821:46
7:01
+0:12
20M
20.00 mi12:31:202:16:186:499:33
7:02
+0:01
21M
21.00 mi12:38:422:23:406:517:22
7:22
+0:20
35K
21.75 mi12:43:452:28:436:515:03
6:46
-0:36
23M
23.00 mi12:52:222:37:206:518:37
6:54
+0:08
24M
24.00 mi12:59:112:44:096:516:49
6:49
-0:05
40K
24.85 mi13:05:072:50:056:515:56
6:57
+0:08
25.2M
25.20 mi13:07:492:52:476:522:42
7:50
+0:53
FINISH
26.22 mi13:15:373:00:356:547:48
7:40
-0:10

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

6:40 /mi

Average Pace

6:54 /mi

Slowest Pace

7:50 /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

2:42:43

90% of race

Time at Steady Pace

17:52

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:53 /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 mi10:35:5520:536:4420:53
6:44
#6098
10K
6.21 mi10:56:4441:426:4320:49
6:43
#6012
15K
9.32 mi11:17:591:02:576:4621:15
6:51
#6374
20K
12.43 mi11:38:581:23:566:4620:59
6:46
#6150
HALF
13.11 mi11:43:301:28:286:454:32
6:40
#6119
25K
15.53 mi12:00:011:44:596:4616:31
6:49
#6069
30K
18.64 mi12:21:472:06:456:4821:46
7:01
#6008
20M
20.00 mi12:31:202:16:186:499:33
7:02
#5993
21M
21.00 mi12:38:422:23:406:517:22
7:22
#5949
35K
21.75 mi12:43:452:28:436:515:03
6:46
#5917
23M
23.00 mi12:52:222:37:206:518:37
6:54
#5802
24M
24.00 mi12:59:112:44:096:516:49
6:49
#5744
40K
24.85 mi13:05:072:50:056:515:56
6:57
#5685
25.2M
25.20 mi13:07:492:52:476:522:42
7:50
#5723
FINISH
26.22 mi13:15:373:00:356:547:48
7:40
#6008
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 mi6098555355537192(Top 25%)6313(Top 39%)6313(Top 338%)
10K6.21 mi3.10 mi6012+865485+685485+685969(Top 21%)5433(Top 33%)5433(Top 291%)
15K9.32 mi3.11 mi6374-3625753-2685753-2687192(Top 25%)6313(Top 39%)6313(Top 338%)
20K12.43 mi3.11 mi6150+2245573+1805573+1805724(Top 20%)5208(Top 32%)5208(Top 279%)
HALF13.11 mi0.68 mi6119+315545+285545+285708(Top 20%)5186(Top 32%)5186(Top 278%)
25K15.53 mi2.42 mi6069+505498+475498+475901(Top 20%)5292(Top 32%)5292(Top 283%)
30K18.64 mi3.11 mi6008+615425+735425+735937(Top 20%)5256(Top 32%)5256(Top 281%)
20M20.00 mi1.36 mi5993+155395+305395+305760(Top 20%)5070(Top 31%)5070(Top 271%)
21M21.00 mi1.00 mi5949+445352+435352+435650(Top 19%)4879(Top 30%)4879(Top 261%)
35K21.75 mi0.75 mi5917+325319+335319+335316(Top 18%)4680(Top 29%)4680(Top 251%)
23M23.00 mi1.25 mi5802+1155219+1005219+1004666(Top 16%)4138(Top 25%)4138(Top 222%)
24M24.00 mi1.00 mi5744+585167+525167+525246(Top 18%)4518(Top 28%)4518(Top 242%)
40K24.85 mi0.85 mi5685+595110+575110+575140(Top 18%)4384(Top 27%)4384(Top 235%)
25.2M25.20 mi0.35 mi5723-385143-335143-337184(Top 25%)5630(Top 34%)5630(Top 301%)
FINISH26.22 mi1.02 mi6008-2855353-2105353-21012575(Top 43%)8353(Top 51%)8353(Top 447%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21
+97ft-345ft

Overall

7192

Males

6313

M50-54

6313

5K→10K

3.1 - 6.2 mi

Top 21%
×5
+79ft-138ft

Overall

5969

Males

5433

M50-54

5433

10K→15K

6.2 - 9.3 mi

Top 25%
×3
+67ft-78ft

Overall

7192

Males

6313

M50-54

6313

15K→20K

9.3 - 12.4 mi

Top 20%
×5
+106ft-86ft

Overall

5724

Males

5208

M50-54

5208

20K→HALF

12.4 - 13.1 mi

Top 20%
×2
+19ft-37ft

Overall

5708

Males

5186

M50-54

5186

HALF→25K

13.1 - 15.5 mi

Top 20%
×4
+66ft-88ft

Overall

5901

Males

5292

M50-54

5292

25K→30K

15.5 - 18.6 mi

Top 20%
×9
+181ft-148ft

Overall

5937

Males

5256

M50-54

5256

30K→20M

18.6 - 20.0 mi

Top 20%
×5
+64ft-50ft

Overall

5760

Males

5070

M50-54

5070

20M→21M

20.0 - 21.0 mi

Top 19%
×8
+106ft-24ft

Overall

5650

Males

4879

M50-54

4879

21M→35K

21.0 - 21.8 mi

Top 18%
×7
+17ft-86ft

Overall

5316

Males

4680

M50-54

4680

35K→23M

21.8 - 23.0 mi

Top 16%
×5
+23ft-63ft

Overall

4666

Males

4138

M50-54

4138

23M→24M

23.0 - 24.0 mi

Top 18%
×6
+12ft-82ft

Overall

5246

Males

4518

M50-54

4518

24M→40K

24.0 - 24.9 mi

Top 18%
×1
+6ft-20ft

Overall

5140

Males

4384

M50-54

4384

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1
+13ft-16ft

Overall

7184

Males

5630

M50-54

5630

25.2M→FINISH

25.2 - 26.2 mi

Top 43%
×2
+22ft-21ft

Overall

12575

Males

8353

M50-54

8353

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1443*
Passed By
1037
Net Change
+90
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6098
5K → 10K235*149+86#6098#6012
10K → 15K54200-362#6012#6374
15K → 20K261*37+224#6374#6150
20K → HALF4110+31#6150#6119
HALF → 25K12373+50#6119#6069
25K → 30K172111+61#6069#6008
30K → 20M7863+15#6008#5993
20M → 21M8541+44#5993#5949
21M → 35K5624+32#5949#5917
35K → 23M13924+115#5917#5802
23M → 24M8527+58#5802#5744
24M → 40K8728+59#5744#5685
40K → 25.2M1250-38#5685#5723
25.2M → FINISH15200-285#5723#6008
TOTALS1443*1037+90

* 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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