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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Tatsuzo Niki

Bib: 19436 •M •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M55-59)
#0 / 1491
Race Day Weather
51°/41°F
overcast clouds
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  • Segment-by-segment breakdown
  • Personalized race insights
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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
24:46
3.11 mi
Rank: #16726
Start → 5K
24:46 | 7:59/mi
10K
49:43
6.21 mi
Rank: #17079 (-353)
5K → 10K
24:57 | 8:02/mi
15K
1:15:10
9.32 mi
Rank: #17522 (-443)
10K → 15K
25:27 | 8:12/mi
20K
1:40:50
12.43 mi
Rank: #17606 (-84)
15K → 20K
25:40 | 8:16/mi
HALF
1:46:26
13.11 mi
Rank: #17646 (-40)
20K → HALF
5:36 | 8:13/mi
25K
2:06:32
15.53 mi
Rank: #17604 (+42)
HALF → 25K
20:06 | 8:18/mi
30K
2:32:32
18.64 mi
Rank: #17267 (+337)
25K → 30K
26:00 | 8:23/mi
20M
2:43:53
20.00 mi
Rank: #17098 (+169)
30K → 20M
11:21 | 8:22/mi
21M
2:52:43
21.00 mi
Rank: #16959 (+139)
20M → 21M
8:50 | 8:50/mi
35K
2:58:35
21.75 mi
Rank: #16819 (+140)
21M → 35K
5:52 | 7:51/mi
23M
3:08:37
23.00 mi
Rank: #16557 (+262)
35K → 23M
10:02 | 8:02/mi
24M
3:16:24
24.00 mi
Rank: #16343 (+214)
23M → 24M
7:47 | 7:47/mi
40K
3:23:22
24.85 mi
Rank: #16216 (+127)
24M → 40K
6:58 | 8:09/mi
25.2M
3:26:30
25.20 mi
Rank: #16184 (+32)
40K → 25.2M
3:08 | 9:06/mi
FINISH
3:34:56
26.22 mi
Rank: #16208 (-24)
25.2M → FINISH
8:26 | 8:17/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:46:26
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:48:30
Pace8:17 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:3724:467:5924:46
7:59
-
10K
6.21 mi11:33:3449:438:0124:57
8:02
+0:03
15K
9.32 mi11:59:011:15:108:0425:27
8:12
+0:10
20K
12.43 mi12:24:411:40:508:0725:40
8:16
+0:04
HALF
13.11 mi12:30:171:46:268:085:36
8:13
-0:03
25K
15.53 mi12:50:232:06:328:0920:06
8:18
+0:05
30K
18.64 mi13:16:232:32:328:1126:00
8:23
+0:05
20M
20.00 mi13:27:442:43:538:1211:21
8:22
-0:01
21M
21.00 mi13:36:342:52:438:148:50
8:50
+0:28
35K
21.75 mi13:42:262:58:358:135:52
7:51
-0:59
23M
23.00 mi13:52:283:08:378:1310:02
8:02
+0:11
24M
24.00 mi14:00:153:16:248:127:47
7:47
-0:15
40K
24.85 mi14:07:133:23:228:116:58
8:09
+0:22
25.2M
25.20 mi14:10:213:26:308:123:08
9:06
+0:57
FINISH
26.22 mi14:18:473:34:568:138:26
8:17
-0:49

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

7:47 /mi

Average Pace

8:12 /mi

Slowest Pace

9:06 /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

3:22:58

94% of race

Time at Steady Pace

11:58

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /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 mi11:08:3724:467:5924:46
7:59
#16726
10K
6.21 mi11:33:3449:438:0124:57
8:02
#17079
15K
9.32 mi11:59:011:15:108:0425:27
8:12
#17522
20K
12.43 mi12:24:411:40:508:0725:40
8:16
#17606
HALF
13.11 mi12:30:171:46:268:085:36
8:13
#17646
25K
15.53 mi12:50:232:06:328:0920:06
8:18
#17604
30K
18.64 mi13:16:232:32:328:1126:00
8:23
#17267
20M
20.00 mi13:27:442:43:538:1211:21
8:22
#17098
21M
21.00 mi13:36:342:52:438:148:50
8:50
#16959
35K
21.75 mi13:42:262:58:358:135:52
7:51
#16819
23M
23.00 mi13:52:283:08:378:1310:02
8:02
#16557
24M
24.00 mi14:00:153:16:248:127:47
7:47
#16343
40K
24.85 mi14:07:133:23:228:116:58
8:09
#16216
25.2M
25.20 mi14:10:213:26:308:123:08
9:06
#16184
FINISH
26.22 mi14:18:473:34:568:138:26
8:17
#16208
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16726109021090218282(Top 63%)11571(Top 71%)11571(Top 776%)
10K6.21 mi3.10 mi17079-35311028-12611028-12617463(Top 60%)11201(Top 69%)11201(Top 751%)
15K9.32 mi3.11 mi17522-44311214-18611214-18618282(Top 63%)11571(Top 71%)11571(Top 776%)
20K12.43 mi3.11 mi17606-8411252-3811252-3817856(Top 62%)11349(Top 69%)11349(Top 761%)
HALF13.11 mi0.68 mi17646-4011277-2511277-2518426(Top 63%)11612(Top 71%)11612(Top 779%)
25K15.53 mi2.42 mi17604+4211253+2411253+2417341(Top 60%)11075(Top 68%)11075(Top 743%)
30K18.64 mi3.11 mi17267+33711078+17511078+17516060(Top 55%)10450(Top 64%)10450(Top 701%)
20M20.00 mi1.36 mi17098+16910994+8410994+8415254(Top 53%)9988(Top 61%)9988(Top 670%)
21M21.00 mi1.00 mi16959+13910916+7810916+7815166(Top 52%)9890(Top 61%)9890(Top 663%)
35K21.75 mi0.75 mi16819+14010839+7710839+7713364(Top 46%)9040(Top 55%)9040(Top 606%)
23M23.00 mi1.25 mi16557+26210698+14110698+14112570(Top 43%)8636(Top 53%)8636(Top 579%)
24M24.00 mi1.00 mi16343+21410581+11710581+11712160(Top 42%)8329(Top 51%)8329(Top 559%)
40K24.85 mi0.85 mi16216+12710514+6710514+6713440(Top 46%)8820(Top 54%)8820(Top 592%)
25.2M25.20 mi0.35 mi16184+3210487+2710487+2715156(Top 52%)9571(Top 59%)9571(Top 642%)
FINISH26.22 mi1.02 mi16208-2410481+610481+616848(Top 58%)10364(Top 63%)10364(Top 695%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21
+97ft-345ft

Overall

18282

Males

11571

M55-59

11571

5K→10K

3.1 - 6.2 mi

Top 60%
×5
+79ft-138ft

Overall

17463

Males

11201

M55-59

11201

10K→15K

6.2 - 9.3 mi

Top 63%
×3
+67ft-78ft

Overall

18282

Males

11571

M55-59

11571

15K→20K

9.3 - 12.4 mi

Top 62%
×5
+106ft-86ft

Overall

17856

Males

11349

M55-59

11349

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18426

Males

11612

M55-59

11612

HALF→25K

13.1 - 15.5 mi

Top 60%
×4
+66ft-88ft

Overall

17341

Males

11075

M55-59

11075

25K→30K

15.5 - 18.6 mi

Top 55%
×9
+181ft-148ft

Overall

16060

Males

10450

M55-59

10450

30K→20M

18.6 - 20.0 mi

Top 53%
×5
+64ft-50ft

Overall

15254

Males

9988

M55-59

9988

20M→21M

20.0 - 21.0 mi

Top 52%
×8
+106ft-24ft

Overall

15166

Males

9890

M55-59

9890

21M→35K

21.0 - 21.8 mi

Top 46%
×7
+17ft-86ft

Overall

13364

Males

9040

M55-59

9040

35K→23M

21.8 - 23.0 mi

Top 43%
×5
+23ft-63ft

Overall

12570

Males

8636

M55-59

8636

23M→24M

23.0 - 24.0 mi

Top 42%
×6
+12ft-82ft

Overall

12160

Males

8329

M55-59

8329

24M→40K

24.0 - 24.9 mi

Top 46%
×1
+6ft-20ft

Overall

13440

Males

8820

M55-59

8820

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1
+13ft-16ft

Overall

15156

Males

9571

M55-59

9571

25.2M→FINISH

25.2 - 26.2 mi

Top 58%
×2
+22ft-21ft

Overall

16848

Males

10364

M55-59

10364

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2131*
Passed By
971
Net Change
+518
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16726
5K → 10K151200-353#16726#17079
10K → 15K67200-443#17079#17522
15K → 20K144200-84#17522#17606
20K → HALF2363-40#17606#17646
HALF → 25K153111+42#17646#17604
25K → 30K374*37+337#17604#17267
30K → 20M18314+169#17267#17098
20M → 21M17334+139#17098#16959
21M → 35K1433+140#16959#16819
35K → 23M264*2+262#16819#16557
23M → 24M220*6+214#16557#16343
24M → 40K13710+127#16343#16216
40K → 25.2M4513+32#16216#16184
25.2M → FINISH5478-24#16184#16208
TOTALS2131*971+518

* 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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Activity Data

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