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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jonathan Clark

Bib: 10039 •M •Age: N/A

IL

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 40%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 43%
Age Group (M45-49)
#0 / 2413
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
21:41
3.11 mi
Rank: #8379
Start → 5K
21:41 | 6:59/mi
10K
43:41
6.21 mi
Rank: #8812 (-433)
5K → 10K
22:00 | 7:05/mi
15K
1:06:06
9.32 mi
Rank: #9218 (-406)
10K → 15K
22:25 | 7:13/mi
20K
1:29:00
12.43 mi
Rank: #9539 (-321)
15K → 20K
22:54 | 7:23/mi
HALF
1:33:57
13.11 mi
Rank: #9596 (-57)
20K → HALF
4:57 | 7:16/mi
25K
1:51:53
15.53 mi
Rank: #9717 (-121)
HALF → 25K
17:56 | 7:24/mi
30K
2:16:23
18.64 mi
Rank: #10201 (-484)
25K → 30K
24:30 | 7:54/mi
20M
2:27:21
20.00 mi
Rank: #10457 (-256)
30K → 20M
10:58 | 8:05/mi
21M
2:36:07
21.00 mi
Rank: #10738 (-281)
20M → 21M
8:46 | 8:46/mi
35K
2:42:01
21.75 mi
Rank: #10833 (-95)
21M → 35K
5:54 | 7:54/mi
23M
2:52:22
23.00 mi
Rank: #11016 (-183)
35K → 23M
10:21 | 8:17/mi
24M
3:00:35
24.00 mi
Rank: #11186 (-170)
23M → 24M
8:13 | 8:13/mi
40K
3:08:11
24.85 mi
Rank: #11466 (-280)
24M → 40K
7:36 | 8:54/mi
25.2M
3:11:21
25.20 mi
Rank: #11538 (-72)
40K → 25.2M
3:10 | 9:11/mi
FINISH
3:19:34
26.22 mi
Rank: #11716 (-178)
25.2M → FINISH
8:13 | 8:04/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
Time1:33:57
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:45:37
Pace8:04 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:5721:416:5921:41
6:59
-
10K
6.21 mi11:00:5743:417:0222:00
7:05
+0:06
15K
9.32 mi11:23:221:06:067:0622:25
7:13
+0:08
20K
12.43 mi11:46:161:29:007:1022:54
7:23
+0:10
HALF
13.11 mi11:51:131:33:577:114:57
7:16
-0:07
25K
15.53 mi12:09:091:51:537:1317:56
7:24
+0:08
30K
18.64 mi12:33:392:16:237:1924:30
7:54
+0:30
20M
20.00 mi12:44:372:27:217:2310:58
8:05
+0:11
21M
21.00 mi12:53:232:36:077:278:46
8:46
+0:41
35K
21.75 mi12:59:172:42:017:275:54
7:54
-0:52
23M
23.00 mi13:09:382:52:227:3010:21
8:17
+0:23
24M
24.00 mi13:17:513:00:357:328:13
8:13
-0:04
40K
24.85 mi13:25:273:08:117:357:36
8:54
+0:41
25.2M
25.20 mi13:28:373:11:217:363:10
9:11
+0:17
FINISH
26.22 mi13:36:503:19:347:388:13
8:04
-1:07

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

6:59 /mi

Average Pace

7:37 /mi

Slowest Pace

9:11 /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

1:51:53

56% of race

Time at Steady Pace

57:48

29% of race

Time at Slower Pace

29:53

15% of race

Average Pace: 7:37 /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 mi10:38:5721:416:5921:41
6:59
#8379
10K
6.21 mi11:00:5743:417:0222:00
7:05
#8812
15K
9.32 mi11:23:221:06:067:0622:25
7:13
#9218
20K
12.43 mi11:46:161:29:007:1022:54
7:23
#9539
HALF
13.11 mi11:51:131:33:577:114:57
7:16
#9596
25K
15.53 mi12:09:091:51:537:1317:56
7:24
#9717
30K
18.64 mi12:33:392:16:237:1924:30
7:54
#10201
20M
20.00 mi12:44:372:27:217:2310:58
8:05
#10457
21M
21.00 mi12:53:232:36:077:278:46
8:46
#10738
35K
21.75 mi12:59:172:42:017:275:54
7:54
#10833
23M
23.00 mi13:09:382:52:227:3010:21
8:17
#11016
24M
24.00 mi13:17:513:00:357:328:13
8:13
#11186
40K
24.85 mi13:25:273:08:117:357:36
8:54
#11466
25.2M
25.20 mi13:28:373:11:217:363:10
9:11
#11538
FINISH
26.22 mi13:36:503:19:347:388:13
8:04
#11716
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi83797160716010255(Top 35%)8141(Top 50%)8141(Top 337%)
10K6.21 mi3.10 mi8812-4337396-2367396-2369280(Top 32%)7673(Top 47%)7673(Top 318%)
15K9.32 mi3.11 mi9218-4067644-2487644-24810255(Top 35%)8141(Top 50%)8141(Top 337%)
20K12.43 mi3.11 mi9539-3217798-1547798-15410852(Top 37%)8322(Top 51%)8322(Top 345%)
HALF13.11 mi0.68 mi9596-577829-317829-3110828(Top 37%)8410(Top 51%)8410(Top 349%)
25K15.53 mi2.42 mi9717-1217851-227851-2210517(Top 36%)8092(Top 50%)8092(Top 335%)
30K18.64 mi3.11 mi10201-4848029-1788029-17812614(Top 43%)8934(Top 55%)8934(Top 370%)
20M20.00 mi1.36 mi10457-2568128-998128-9913278(Top 46%)9133(Top 56%)9133(Top 378%)
21M21.00 mi1.00 mi10738-2818243-1158243-11514745(Top 51%)9693(Top 59%)9693(Top 402%)
35K21.75 mi0.75 mi10833-958264-218264-2113639(Top 47%)9141(Top 56%)9141(Top 379%)
23M23.00 mi1.25 mi11016-1838347-838347-8314225(Top 49%)9340(Top 57%)9340(Top 387%)
24M24.00 mi1.00 mi11186-1708400-538400-5315155(Top 52%)9669(Top 59%)9669(Top 401%)
40K24.85 mi0.85 mi11466-2808502-1028502-10217808(Top 61%)10791(Top 66%)10791(Top 447%)
25.2M25.20 mi0.35 mi11538-728505-38505-315596(Top 54%)9767(Top 60%)9767(Top 405%)
FINISH26.22 mi1.02 mi11716-1788562-578562-5715530(Top 54%)9773(Top 60%)9773(Top 405%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21
+97ft-345ft

Overall

10255

Males

8141

M45-49

8141

5K→10K

3.1 - 6.2 mi

Top 32%
×5
+79ft-138ft

Overall

9280

Males

7673

M45-49

7673

10K→15K

6.2 - 9.3 mi

Top 35%
×3
+67ft-78ft

Overall

10255

Males

8141

M45-49

8141

15K→20K

9.3 - 12.4 mi

Top 37%
×5
+106ft-86ft

Overall

10852

Males

8322

M45-49

8322

20K→HALF

12.4 - 13.1 mi

Top 37%
×2
+19ft-37ft

Overall

10828

Males

8410

M45-49

8410

HALF→25K

13.1 - 15.5 mi

Top 36%
×4
+66ft-88ft

Overall

10517

Males

8092

M45-49

8092

25K→30K

15.5 - 18.6 mi

Top 43%
×9
+181ft-148ft

Overall

12614

Males

8934

M45-49

8934

30K→20M

18.6 - 20.0 mi

Top 46%
×5
+64ft-50ft

Overall

13278

Males

9133

M45-49

9133

20M→21M

20.0 - 21.0 mi

Top 51%
×8
+106ft-24ft

Overall

14745

Males

9693

M45-49

9693

21M→35K

21.0 - 21.8 mi

Top 47%
×7
+17ft-86ft

Overall

13639

Males

9141

M45-49

9141

35K→23M

21.8 - 23.0 mi

Top 49%
×5
+23ft-63ft

Overall

14225

Males

9340

M45-49

9340

23M→24M

23.0 - 24.0 mi

Top 52%
×6
+12ft-82ft

Overall

15155

Males

9669

M45-49

9669

24M→40K

24.0 - 24.9 mi

Top 61%
×1
+6ft-20ft

Overall

17808

Males

10791

M45-49

10791

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1
+13ft-16ft

Overall

15596

Males

9767

M45-49

9767

25.2M→FINISH

25.2 - 26.2 mi

Top 54%
×2
+22ft-21ft

Overall

15530

Males

9773

M45-49

9773

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
672
Passed By
2495
Net Change
-3337
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8379
5K → 10K88200-433#8379#8812
10K → 15K44200-406#8812#9218
15K → 20K59200-321#9218#9539
20K → HALF1269-57#9539#9596
HALF → 25K83200-121#9596#9717
25K → 30K82200-484#9717#10201
30K → 20M39200-256#10201#10457
20M → 21M35200-281#10457#10738
21M → 35K39134-95#10738#10833
35K → 23M63200-183#10833#11016
23M → 24M43200-170#11016#11186
24M → 40K25200-280#11186#11466
40K → 25.2M2092-72#11466#11538
25.2M → FINISH40200-178#11538#11716
TOTALS6722495-3337
📊

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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