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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Mia Chiba

Bib: 17780 β€’F β€’Age: N/A

NY

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 37%
Gender (Female)
#0 / 12578
Top 21%
Age Group (F18-39)
#0 / 5716
Top 37%
Race Day Weather
51Β°/41Β°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
22:54
3.11 mi
Rank: #11695
Start β†’ 5K
22:54 | 7:23/mi
10K
45:44
6.21 mi
Rank: #11622 (+73)
5K β†’ 10K
22:50 | 7:21/mi
15K
1:08:34
9.32 mi
Rank: #11570 (+52)
10K β†’ 15K
22:50 | 7:21/mi
20K
1:31:23
12.43 mi
Rank: #11320 (+250)
15K β†’ 20K
22:49 | 7:21/mi
HALF
1:36:20
13.11 mi
Rank: #11284 (+36)
20K β†’ HALF
4:57 | 7:16/mi
25K
1:54:24
15.53 mi
Rank: #11223 (+61)
HALF β†’ 25K
18:04 | 7:27/mi
30K
2:17:57
18.64 mi
Rank: #11006 (+217)
25K β†’ 30K
23:33 | 7:35/mi
20M
2:28:19
20.00 mi
Rank: #10919 (+87)
30K β†’ 20M
10:22 | 7:38/mi
21M
2:36:26
21.00 mi
Rank: #10865 (+54)
20M β†’ 21M
8:07 | 8:07/mi
35K
2:41:53
21.75 mi
Rank: #10780 (+85)
21M β†’ 35K
5:27 | 7:18/mi
23M
2:51:33
23.00 mi
Rank: #10722 (+58)
35K β†’ 23M
9:40 | 7:44/mi
24M
2:59:15
24.00 mi
Rank: #10718 (+4)
23M β†’ 24M
7:42 | 7:42/mi
40K
3:05:55
24.85 mi
Rank: #10689 (+29)
24M β†’ 40K
6:40 | 7:48/mi
25.2M
3:08:51
25.20 mi
Rank: #10691 (-2)
40K β†’ 25.2M
2:56 | 8:31/mi
FINISH
3:16:45
26.22 mi
Rank: #10778 (-87)
25.2M β†’ FINISH
7:54 | 7:46/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
Time1:36:20
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:40:25
Pace7:40 /mi
πŸ“ŠPositive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:04:3622:547:2322:54
7:23
-
10K
6.21 mi11:27:2645:447:2222:50
7:21
-0:02
15K
9.32 mi11:50:161:08:347:2222:50
7:21
0:00
20K
12.43 mi12:13:051:31:237:2222:49
7:21
0:00
HALF
13.11 mi12:18:021:36:207:214:57
7:16
-0:05
25K
15.53 mi12:36:061:54:247:2218:04
7:27
+0:11
30K
18.64 mi12:59:392:17:577:2523:33
7:35
+0:08
20M
20.00 mi13:10:012:28:197:2510:22
7:38
+0:03
21M
21.00 mi13:18:082:36:267:278:07
8:07
+0:29
35K
21.75 mi13:23:352:41:537:275:27
7:18
-0:49
23M
23.00 mi13:33:152:51:337:289:40
7:44
+0:26
24M
24.00 mi13:40:572:59:157:297:42
7:42
-0:02
40K
24.85 mi13:47:373:05:557:296:40
7:48
+0:06
25.2M
25.20 mi13:50:333:08:517:302:56
8:31
+0:43
FINISH
26.22 mi13:58:273:16:457:317:54
7:46
-0:45

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

7:16 /mi

Average Pace

7:31 /mi

Slowest Pace

8:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

3:05:42

94% of race

Time at Steady Pace

11:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:04:3622:547:2322:54
7:23
#11695
10K
6.21 mi11:27:2645:447:2222:50
7:21
#11622
15K
9.32 mi11:50:161:08:347:2222:50
7:21
#11570
20K
12.43 mi12:13:051:31:237:2222:49
7:21
#11320
HALF
13.11 mi12:18:021:36:207:214:57
7:16
#11284
25K
15.53 mi12:36:061:54:247:2218:04
7:27
#11223
30K
18.64 mi12:59:392:17:577:2523:33
7:35
#11006
20M
20.00 mi13:10:012:28:197:2510:22
7:38
#10919
21M
21.00 mi13:18:082:36:267:278:07
8:07
#10865
35K
21.75 mi13:23:352:41:537:275:27
7:18
#10780
23M
23.00 mi13:33:152:51:337:289:40
7:44
#10722
24M
24.00 mi13:40:572:59:157:297:42
7:42
#10718
40K
24.85 mi13:47:373:05:557:296:40
7:48
#10689
25.2M
25.20 mi13:50:333:08:517:302:56
8:31
#10691
FINISH
26.22 mi13:58:273:16:457:317:54
7:46
#10778
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 mi116952743274311526(Top 40%)2760(Top 22%)2760(Top 48%)
10K6.21 mi3.10 mi11622+732729+142729+1411613(Top 40%)2764(Top 22%)2764(Top 48%)
15K9.32 mi3.11 mi11570+522736-72736-711526(Top 40%)2760(Top 22%)2760(Top 48%)
20K12.43 mi3.11 mi11320+2502628+1082628+10810611(Top 37%)2363(Top 19%)2363(Top 41%)
HALF13.11 mi0.68 mi11284+362616+122616+1210934(Top 38%)2447(Top 19%)2447(Top 43%)
25K15.53 mi2.42 mi11223+612605+112605+1111021(Top 38%)2644(Top 21%)2644(Top 46%)
30K18.64 mi3.11 mi11006+2172555+502555+5010296(Top 35%)2413(Top 19%)2413(Top 42%)
20M20.00 mi1.36 mi10919+872533+222533+2210113(Top 35%)2456(Top 20%)2456(Top 43%)
21M21.00 mi1.00 mi10865+542532+12532+110681(Top 37%)2829(Top 22%)2829(Top 49%)
35K21.75 mi0.75 mi10780+852508+242508+249262(Top 32%)2146(Top 17%)2146(Top 38%)
23M23.00 mi1.25 mi10722+582508250810477(Top 36%)2845(Top 23%)2845(Top 50%)
24M24.00 mi1.00 mi10718+42522-142522-1411551(Top 40%)3460(Top 28%)3460(Top 61%)
40K24.85 mi0.85 mi10689+292521+12521+111029(Top 38%)3265(Top 26%)3265(Top 57%)
25.2M25.20 mi0.35 mi10691-22536-152536-1511698(Top 40%)3685(Top 29%)3685(Top 64%)
FINISH26.22 mi1.02 mi10778-872606-702606-7013410(Top 46%)4604(Top 37%)4604(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
Γ—21
+97ft-345ft

Overall

11526

Females

2760

F18-39

2760

5K→10K

3.1 - 6.2 mi

Top 40%
Γ—5
+79ft-138ft

Overall

11613

Females

2764

F18-39

2764

10K→15K

6.2 - 9.3 mi

Top 40%
Γ—3
+67ft-78ft

Overall

11526

Females

2760

F18-39

2760

15K→20K

9.3 - 12.4 mi

Top 37%
Γ—5
+106ft-86ft

Overall

10611

Females

2363

F18-39

2363

20K→HALF

12.4 - 13.1 mi

Top 38%
Γ—2
+19ft-37ft

Overall

10934

Females

2447

F18-39

2447

HALF→25K

13.1 - 15.5 mi

Top 38%
Γ—4
+66ft-88ft

Overall

11021

Females

2644

F18-39

2644

25K→30K

15.5 - 18.6 mi

Top 35%
Γ—9
+181ft-148ft

Overall

10296

Females

2413

F18-39

2413

30K→20M

18.6 - 20.0 mi

Top 35%
Γ—5
+64ft-50ft

Overall

10113

Females

2456

F18-39

2456

20M→21M

20.0 - 21.0 mi

Top 37%
Γ—8
+106ft-24ft

Overall

10681

Females

2829

F18-39

2829

21M→35K

21.0 - 21.8 mi

Top 32%
Γ—7
+17ft-86ft

Overall

9262

Females

2146

F18-39

2146

35K→23M

21.8 - 23.0 mi

Top 36%
Γ—5
+23ft-63ft

Overall

10477

Females

2845

F18-39

2845

23M→24M

23.0 - 24.0 mi

Top 40%
Γ—6
+12ft-82ft

Overall

11551

Females

3460

F18-39

3460

24M→40K

24.0 - 24.9 mi

Top 38%
Γ—1
+6ft-20ft

Overall

11029

Females

3265

F18-39

3265

40K→25.2M

24.9 - 25.2 mi

Top 40%
Γ—1
+13ft-16ft

Overall

11698

Females

3685

F18-39

3685

25.2M→FINISH

25.2 - 26.2 mi

Top 46%
Γ—2
+22ft-21ft

Overall

13410

Females

4604

F18-39

4604

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1995*
Passed By
1078
Net Change
+917
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#11695
5K β†’ 10K273*200+73#11695#11622
10K β†’ 15K219*167+52#11622#11570
15K β†’ 20K284*34+250#11570#11320
20K β†’ HALF5014+36#11320#11284
HALF β†’ 25K14483+61#11284#11223
25K β†’ 30K301*84+217#11223#11006
30K β†’ 20M14457+87#11006#10919
20M β†’ 21M12167+54#10919#10865
21M β†’ 35K9813+85#10865#10780
35K β†’ 23M13274+58#10780#10722
23M β†’ 24M8480+4#10722#10718
24M β†’ 40K8051+29#10718#10689
40K β†’ 25.2M2628-2#10689#10691
25.2M β†’ FINISH39126-87#10691#10778
TOTALS1995*1078+917

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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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