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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Joseph Demeraski

Bib: 28716 •M •Age: N/A

NJ

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
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
31:05
3.11 mi
Rank: #25969
Start → 5K
31:05 | 10:01/mi
10K
1:02:40
6.21 mi
Rank: #26121 (-152)
5K → 10K
31:35 | 10:10/mi
15K
1:39:10
9.32 mi
Rank: #27157 (-1036)
10K → 15K
36:30 | 11:45/mi
20K
2:18:52
12.43 mi
Rank: #27746 (-589)
15K → 20K
39:42 | 12:47/mi
HALF
2:27:38
13.11 mi
Rank: #27843 (-97)
20K → HALF
8:46 | 12:52/mi
25K
2:59:38
15.53 mi
Rank: #27993 (-150)
HALF → 25K
32:00 | 13:12/mi
30K
3:44:10
18.64 mi
Rank: #28147 (-154)
25K → 30K
44:32 | 14:21/mi
20M
4:03:09
20.00 mi
Rank: #28148 (-1)
30K → 20M
18:59 | 13:59/mi
21M
4:17:53
21.00 mi
Rank: #28128 (+20)
20M → 21M
14:44 | 14:44/mi
35K
4:28:13
21.75 mi
Rank: #28146 (-18)
21M → 35K
10:20 | 13:49/mi
23M
4:46:18
23.00 mi
Rank: #28184 (-38)
35K → 23M
18:05 | 14:28/mi
24M
4:59:59
24.00 mi
Rank: #28190 (-6)
23M → 24M
13:41 | 13:41/mi
40K
5:12:44
24.85 mi
Rank: #28218 (-28)
24M → 40K
12:45 | 14:55/mi
25.2M
5:18:04
25.20 mi
Rank: #28220 (-2)
40K → 25.2M
5:20 | 15:28/mi
FINISH
5:31:23
26.22 mi
Rank: #28227 (-7)
25.2M → FINISH
13:19 | 13:05/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:27:38
Pace11:16 /mi
2nd Half
Distance13.11 mi
Time3:03:45
Pace14:01 /mi
📊Positive Split: 24.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3731:0510:0131:05
10:01
-
10K
6.21 mi12:25:121:02:4010:0631:35
10:10
+0:09
15K
9.32 mi13:01:421:39:1010:3936:30
11:45
+1:35
20K
12.43 mi13:41:242:18:5211:1139:42
12:47
+1:02
HALF
13.11 mi13:50:102:27:3811:168:46
12:52
+0:05
25K
15.53 mi14:22:102:59:3811:3432:00
13:12
+0:20
30K
18.64 mi15:06:423:44:1012:0244:32
14:21
+1:09
20M
20.00 mi15:25:414:03:0912:1018:59
13:59
-0:22
21M
21.00 mi15:40:254:17:5312:1714:44
14:44
+0:45
35K
21.75 mi15:50:454:28:1312:2010:20
13:49
-0:55
23M
23.00 mi16:08:504:46:1812:2718:05
14:28
+0:39
24M
24.00 mi16:22:314:59:5912:3013:41
13:41
-0:47
40K
24.85 mi16:35:165:12:4412:3512:45
14:55
+1:14
25.2M
25.20 mi16:40:365:18:0412:385:20
15:28
+0:33
FINISH
26.22 mi16:53:555:31:2312:3913:19
13:05
-2:23

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

10:01 /mi

Average Pace

12:39 /mi

Slowest Pace

15:28 /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

2:27:38

45% of race

Time at Steady Pace

2:12:51

40% of race

Time at Slower Pace

50:54

15% of race

Average Pace: 12:38 /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 mi11:53:3731:0510:0131:05
10:01
#25969
10K
6.21 mi12:25:121:02:4010:0631:35
10:10
#26121
15K
9.32 mi13:01:421:39:1010:3936:30
11:45
#27157
20K
12.43 mi13:41:242:18:5211:1139:42
12:47
#27746
HALF
13.11 mi13:50:102:27:3811:168:46
12:52
#27843
25K
15.53 mi14:22:102:59:3811:3432:00
13:12
#27993
30K
18.64 mi15:06:423:44:1012:0244:32
14:21
#28147
20M
20.00 mi15:25:414:03:0912:1018:59
13:59
#28148
21M
21.00 mi15:40:254:17:5312:1714:44
14:44
#28128
35K
21.75 mi15:50:454:28:1312:2010:20
13:49
#28146
23M
23.00 mi16:08:504:46:1812:2718:05
14:28
#28184
24M
24.00 mi16:22:314:59:5912:3013:41
13:41
#28190
40K
24.85 mi16:35:165:12:4412:3512:45
14:55
#28218
25.2M
25.20 mi16:40:365:18:0412:385:20
15:28
#28220
FINISH
26.22 mi16:53:555:31:2312:3913:19
13:05
#28227
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 mi25969151871518728192(Top 97%)16053(Top 98%)16053(Top 665%)
10K6.21 mi3.10 mi26121-15215239-5215239-5226223(Top 90%)15281(Top 94%)15281(Top 633%)
15K9.32 mi3.11 mi27157-103615668-42915668-42928192(Top 97%)16053(Top 98%)16053(Top 665%)
20K12.43 mi3.11 mi27746-58915896-22815896-22828511(Top 98%)16151(Top 99%)16151(Top 669%)
HALF13.11 mi0.68 mi27843-9715934-3815934-3828678(Top 99%)16188(Top 99%)16188(Top 671%)
25K15.53 mi2.42 mi27993-15015983-4915983-4928344(Top 98%)16080(Top 98%)16080(Top 666%)
30K18.64 mi3.11 mi28147-15416036-5316036-5328532(Top 98%)16114(Top 99%)16114(Top 668%)
20M20.00 mi1.36 mi28148-116033+316033+328102(Top 97%)15901(Top 97%)15901(Top 659%)
21M21.00 mi1.00 mi28128+2016020+1316020+1327894(Top 96%)15788(Top 97%)15788(Top 654%)
35K21.75 mi0.75 mi28146-1816017+316017+328254(Top 97%)15930(Top 97%)15930(Top 660%)
23M23.00 mi1.25 mi28184-3816036-1916036-1928404(Top 98%)16006(Top 98%)16006(Top 663%)
24M24.00 mi1.00 mi28190-616031+516031+528159(Top 97%)15864(Top 97%)15864(Top 657%)
40K24.85 mi0.85 mi28218-2816035-416035-428411(Top 98%)15986(Top 98%)15986(Top 662%)
25.2M25.20 mi0.35 mi28220-216036-116036-128178(Top 97%)15853(Top 97%)15853(Top 657%)
FINISH26.22 mi1.02 mi28227-716033+316033+328249(Top 97%)15906(Top 97%)15906(Top 659%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21
+97ft-345ft

Overall

28192

Males

16053

M45-49

16053

5K→10K

3.1 - 6.2 mi

Top 90%
×5
+79ft-138ft

Overall

26223

Males

15281

M45-49

15281

10K→15K

6.2 - 9.3 mi

Top 97%
×3
+67ft-78ft

Overall

28192

Males

16053

M45-49

16053

15K→20K

9.3 - 12.4 mi

Top 98%
×5
+106ft-86ft

Overall

28511

Males

16151

M45-49

16151

20K→HALF

12.4 - 13.1 mi

Top 99%
×2
+19ft-37ft

Overall

28678

Males

16188

M45-49

16188

HALF→25K

13.1 - 15.5 mi

Top 98%
×4
+66ft-88ft

Overall

28344

Males

16080

M45-49

16080

25K→30K

15.5 - 18.6 mi

Top 98%
×9
+181ft-148ft

Overall

28532

Males

16114

M45-49

16114

30K→20M

18.6 - 20.0 mi

Top 97%
×5
+64ft-50ft

Overall

28102

Males

15901

M45-49

15901

20M→21M

20.0 - 21.0 mi

Top 96%
×8
+106ft-24ft

Overall

27894

Males

15788

M45-49

15788

21M→35K

21.0 - 21.8 mi

Top 97%
×7
+17ft-86ft

Overall

28254

Males

15930

M45-49

15930

35K→23M

21.8 - 23.0 mi

Top 98%
×5
+23ft-63ft

Overall

28404

Males

16006

M45-49

16006

23M→24M

23.0 - 24.0 mi

Top 97%
×6
+12ft-82ft

Overall

28159

Males

15864

M45-49

15864

24M→40K

24.0 - 24.9 mi

Top 98%
×1
+6ft-20ft

Overall

28411

Males

15986

M45-49

15986

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1
+13ft-16ft

Overall

28178

Males

15853

M45-49

15853

25.2M→FINISH

25.2 - 26.2 mi

Top 97%
×2
+22ft-21ft

Overall

28249

Males

15906

M45-49

15906

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
318
Passed By
1239
Net Change
-2258
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25969
5K → 10K149200-152#25969#26121
10K → 15K4200-1036#26121#27157
15K → 20K7200-589#27157#27746
20K → HALF3100-97#27746#27843
HALF → 25K20170-150#27843#27993
25K → 30K18172-154#27993#28147
30K → 20M2728-1#28147#28148
20M → 21M3313+20#28148#28128
21M → 35K1230-18#28128#28146
35K → 23M745-38#28146#28184
23M → 24M1622-6#28184#28190
24M → 40K533-28#28190#28218
40K → 25.2M35-2#28218#28220
25.2M → FINISH1421-7#28220#28227
TOTALS3181239-2258
📊

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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