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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Junko Yamazaki Smith

Bib: 29372 •F •Age: N/A

NH

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds
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Race Performance Report

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  • Finish time optimization
  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
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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
35:37
3.11 mi
Rank: #28499
Start → 5K
35:37 | 11:28/mi
10K
1:12:57
6.21 mi
Rank: #28578 (-79)
5K → 10K
37:20 | 12:01/mi
15K
1:51:42
9.32 mi
Rank: #28611 (-33)
10K → 15K
38:45 | 12:29/mi
20K
2:32:09
12.43 mi
Rank: #28645 (-34)
15K → 20K
40:27 | 13:02/mi
HALF
2:41:19
13.11 mi
Rank: #28675 (-30)
20K → HALF
9:10 | 13:27/mi
25K
3:13:04
15.53 mi
Rank: #28613 (+62)
HALF → 25K
31:45 | 13:06/mi
30K
3:55:04
18.64 mi
Rank: #28546 (+67)
25K → 30K
42:00 | 13:32/mi
20M
4:12:48
20.00 mi
Rank: #28492 (+54)
30K → 20M
17:44 | 13:04/mi
21M
4:24:58
21.00 mi
Rank: #28397 (+95)
20M → 21M
12:10 | 12:10/mi
35K
4:33:33
21.75 mi
Rank: #28344 (+53)
21M → 35K
8:35 | 11:29/mi
23M
4:46:26
23.00 mi
Rank: #28190 (+154)
35K → 23M
12:53 | 10:18/mi
24M
4:57:06
24.00 mi
Rank: #28093 (+97)
23M → 24M
10:40 | 10:40/mi
40K
5:06:25
24.85 mi
Rank: #28013 (+80)
24M → 40K
9:19 | 10:54/mi
25.2M
5:10:00
25.20 mi
Rank: #27961 (+52)
40K → 25.2M
3:35 | 10:24/mi
FINISH
5:19:33
26.22 mi
Rank: #27872 (+89)
25.2M → FINISH
9:33 | 9:23/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time2:41:19
Pace12:19 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:38:14
Pace12:05 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:1135:3711:2835:37
11:28
-
10K
6.21 mi12:36:311:12:5711:4537:20
12:01
+0:33
15K
9.32 mi13:15:161:51:4212:0038:45
12:29
+0:28
20K
12.43 mi13:55:432:32:0912:1540:27
13:02
+0:33
HALF
13.11 mi14:04:532:41:1912:199:10
13:27
+0:25
25K
15.53 mi14:36:383:13:0412:2631:45
13:06
-0:21
30K
18.64 mi15:18:383:55:0412:3742:00
13:32
+0:26
20M
20.00 mi15:36:224:12:4812:3917:44
13:04
-0:28
21M
21.00 mi15:48:324:24:5812:3812:10
12:10
-0:54
35K
21.75 mi15:57:074:33:3312:358:35
11:29
-0:41
23M
23.00 mi16:10:004:46:2612:2812:53
10:18
-1:11
24M
24.00 mi16:20:404:57:0612:2310:40
10:40
+0:22
40K
24.85 mi16:29:595:06:2512:209:19
10:54
+0:14
25.2M
25.20 mi16:33:345:10:0012:193:35
10:24
-0:30
FINISH
26.22 mi16:43:075:19:3312:129:33
9:23
-1:01

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

9:23 /mi

Average Pace

12:12 /mi

Slowest Pace

13:32 /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

46:00

14% of race

Time at Steady Pace

2:12:27

41% of race

Time at Slower Pace

2:21:06

44% of race

Average Pace: 12:11 /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 mi11:59:1135:3711:2835:37
11:28
#28499
10K
6.21 mi12:36:311:12:5711:4537:20
12:01
#28578
15K
9.32 mi13:15:161:51:4212:0038:45
12:29
#28611
20K
12.43 mi13:55:432:32:0912:1540:27
13:02
#28645
HALF
13.11 mi14:04:532:41:1912:199:10
13:27
#28675
25K
15.53 mi14:36:383:13:0412:2631:45
13:06
#28613
30K
18.64 mi15:18:383:55:0412:3742:00
13:32
#28546
20M
20.00 mi15:36:224:12:4812:3917:44
13:04
#28492
21M
21.00 mi15:48:324:24:5812:3812:10
12:10
#28397
35K
21.75 mi15:57:074:33:3312:358:35
11:29
#28344
23M
23.00 mi16:10:004:46:2612:2812:53
10:18
#28190
24M
24.00 mi16:20:404:57:0612:2310:40
10:40
#28093
40K
24.85 mi16:29:595:06:2512:209:19
10:54
#28013
25.2M
25.20 mi16:33:345:10:0012:193:35
10:24
#27961
FINISH
26.22 mi16:43:075:19:3312:129:33
9:23
#27872
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28499122181221828628(Top 99%)12313(Top 98%)12313(Top 215%)
10K6.21 mi3.10 mi28578-7912275-5712275-5728596(Top 99%)12289(Top 98%)12289(Top 215%)
15K9.32 mi3.11 mi28611-3312293-1812293-1828628(Top 99%)12313(Top 98%)12313(Top 215%)
20K12.43 mi3.11 mi28645-3412323-3012323-3028626(Top 99%)12334(Top 98%)12334(Top 216%)
HALF13.11 mi0.68 mi28675-3012344-2112344-2128834(Top 99%)12483(Top 99%)12483(Top 218%)
25K15.53 mi2.42 mi28613+6212308+3612308+3628277(Top 97%)12124(Top 96%)12124(Top 212%)
30K18.64 mi3.11 mi28546+6712271+3712271+3728097(Top 97%)12061(Top 96%)12061(Top 211%)
20M20.00 mi1.36 mi28492+5412245+2612245+2627474(Top 95%)11745(Top 93%)11745(Top 205%)
21M21.00 mi1.00 mi28397+9512179+6612179+6625325(Top 87%)10676(Top 85%)10676(Top 187%)
35K21.75 mi0.75 mi28344+5312147+3212147+3226043(Top 90%)11066(Top 88%)11066(Top 194%)
23M23.00 mi1.25 mi28190+15412051+9612051+9622909(Top 79%)9475(Top 75%)9475(Top 166%)
24M24.00 mi1.00 mi28093+9711996+5511996+5524445(Top 84%)10320(Top 82%)10320(Top 181%)
40K24.85 mi0.85 mi28013+8011954+4211954+4224061(Top 83%)10164(Top 81%)10164(Top 178%)
25.2M25.20 mi0.35 mi27961+5211923+3111923+3120811(Top 72%)8489(Top 67%)8489(Top 149%)
FINISH26.22 mi1.02 mi27872+8911888+3511888+3521951(Top 76%)9049(Top 72%)9049(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21
+97ft-345ft

Overall

28628

Females

12313

F18-39

12313

5K→10K

3.1 - 6.2 mi

Top 99%
×5
+79ft-138ft

Overall

28596

Females

12289

F18-39

12289

10K→15K

6.2 - 9.3 mi

Top 99%
×3
+67ft-78ft

Overall

28628

Females

12313

F18-39

12313

15K→20K

9.3 - 12.4 mi

Top 99%
×5
+106ft-86ft

Overall

28626

Females

12334

F18-39

12334

20K→HALF

12.4 - 13.1 mi

Top 99%
×2
+19ft-37ft

Overall

28834

Females

12483

F18-39

12483

HALF→25K

13.1 - 15.5 mi

Top 97%
×4
+66ft-88ft

Overall

28277

Females

12124

F18-39

12124

25K→30K

15.5 - 18.6 mi

Top 97%
×9
+181ft-148ft

Overall

28097

Females

12061

F18-39

12061

30K→20M

18.6 - 20.0 mi

Top 95%
×5
+64ft-50ft

Overall

27474

Females

11745

F18-39

11745

20M→21M

20.0 - 21.0 mi

Top 87%
×8
+106ft-24ft

Overall

25325

Females

10676

F18-39

10676

21M→35K

21.0 - 21.8 mi

Top 90%
×7
+17ft-86ft

Overall

26043

Females

11066

F18-39

11066

35K→23M

21.8 - 23.0 mi

Top 79%
×5
+23ft-63ft

Overall

22909

Females

9475

F18-39

9475

23M→24M

23.0 - 24.0 mi

Top 84%
×6
+12ft-82ft

Overall

24445

Females

10320

F18-39

10320

24M→40K

24.0 - 24.9 mi

Top 83%
×1
+6ft-20ft

Overall

24061

Females

10164

F18-39

10164

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1
+13ft-16ft

Overall

20811

Females

8489

F18-39

8489

25.2M→FINISH

25.2 - 26.2 mi

Top 76%
×2
+22ft-21ft

Overall

21951

Females

9049

F18-39

9049

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
961
Passed By
334
Net Change
+627
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28499
5K → 10K49128-79#28499#28578
10K → 15K4275-33#28578#28611
15K → 20K3266-34#28611#28645
20K → HALF232-30#28645#28675
HALF → 25K7210+62#28675#28613
25K → 30K8316+67#28613#28546
30K → 20M617+54#28546#28492
20M → 21M950+95#28492#28397
21M → 35K530+53#28397#28344
35K → 23M1540+154#28344#28190
23M → 24M970+97#28190#28093
24M → 40K800+80#28093#28013
40K → 25.2M520+52#28013#27961
25.2M → FINISH890+89#27961#27872
TOTALS961334+627
📊

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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Export & Support

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Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

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