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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Cheryl Tamashiro

Bib: 11922 •F •Age: N/A

HI

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F60-64)
#0 / 782
Top 29%
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
28:20
3.11 mi
Rank: #23164
Start → 5K
28:20 | 9:08/mi
10K
55:19
6.21 mi
Rank: #22301 (+863)
5K → 10K
26:59 | 8:42/mi
15K
1:22:02
9.32 mi
Rank: #21794 (+507)
10K → 15K
26:43 | 8:36/mi
20K
1:49:19
12.43 mi
Rank: #21529 (+265)
15K → 20K
27:17 | 8:47/mi
HALF
1:54:59
13.11 mi
Rank: #21411 (+118)
20K → HALF
5:40 | 8:19/mi
25K
2:18:04
15.53 mi
Rank: #21738 (-327)
HALF → 25K
23:05 | 9:32/mi
30K
2:46:52
18.64 mi
Rank: #21553 (+185)
25K → 30K
28:48 | 9:17/mi
20M
2:58:49
20.00 mi
Rank: #21266 (+287)
30K → 20M
11:57 | 8:48/mi
21M
3:09:17
21.00 mi
Rank: #21345 (-79)
20M → 21M
10:28 | 10:28/mi
35K
3:16:34
21.75 mi
Rank: #21414 (-69)
21M → 35K
7:17 | 9:45/mi
23M
3:27:57
23.00 mi
Rank: #21274 (+140)
35K → 23M
11:23 | 9:06/mi
24M
3:36:46
24.00 mi
Rank: #21161 (+113)
23M → 24M
8:49 | 8:49/mi
40K
3:45:10
24.85 mi
Rank: #21197 (-36)
24M → 40K
8:24 | 9:50/mi
25.2M
3:48:29
25.20 mi
Rank: #21154 (+43)
40K → 25.2M
3:19 | 9:38/mi
FINISH
3:58:38
26.22 mi
Rank: #21316 (-162)
25.2M → FINISH
10:09 | 9:58/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:54:59
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time2:03:39
Pace9:26 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1528:209:0828:20
9:08
-
10K
6.21 mi11:15:1455:198:5526:59
8:42
-0:26
15K
9.32 mi11:41:571:22:028:4926:43
8:36
-0:06
20K
12.43 mi12:09:141:49:198:4827:17
8:47
+0:11
HALF
13.11 mi12:14:541:54:598:475:40
8:19
-0:28
25K
15.53 mi12:37:592:18:048:5423:05
9:32
+1:13
30K
18.64 mi13:06:472:46:528:5828:48
9:17
-0:15
20M
20.00 mi13:18:442:58:498:5711:57
8:48
-0:29
21M
21.00 mi13:29:123:09:179:0110:28
10:28
+1:40
35K
21.75 mi13:36:293:16:349:037:17
9:45
-0:43
23M
23.00 mi13:47:523:27:579:0311:23
9:06
-0:39
24M
24.00 mi13:56:413:36:469:028:49
8:49
-0:17
40K
24.85 mi14:05:053:45:109:048:24
9:50
+1:01
25.2M
25.20 mi14:08:243:48:299:053:19
9:38
-0:12
FINISH
26.22 mi14:18:333:58:389:0710:09
9:58
+0:20

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

8:19 /mi

Average Pace

9:06 /mi

Slowest Pace

10:28 /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

1:47:25

45% of race

Time at Steady Pace

1:08:31

29% of race

Time at Slower Pace

1:02:42

26% of race

Average Pace: 9:06 /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 mi10:48:1528:209:0828:20
9:08
#23164
10K
6.21 mi11:15:1455:198:5526:59
8:42
#22301
15K
9.32 mi11:41:571:22:028:4926:43
8:36
#21794
20K
12.43 mi12:09:141:49:198:4827:17
8:47
#21529
HALF
13.11 mi12:14:541:54:598:475:40
8:19
#21411
25K
15.53 mi12:37:592:18:048:5423:05
9:32
#21738
30K
18.64 mi13:06:472:46:528:5828:48
9:17
#21553
20M
20.00 mi13:18:442:58:498:5711:57
8:48
#21266
21M
21.00 mi13:29:123:09:179:0110:28
10:28
#21345
35K
21.75 mi13:36:293:16:349:037:17
9:45
#21414
23M
23.00 mi13:47:523:27:579:0311:23
9:06
#21274
24M
24.00 mi13:56:413:36:469:028:49
8:49
#21161
40K
24.85 mi14:05:053:45:109:048:24
9:50
#21197
25.2M
25.20 mi14:08:243:48:299:053:19
9:38
#21154
FINISH
26.22 mi14:18:333:58:389:0710:09
9:58
#21316
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi231649255925520686(Top 71%)7951(Top 63%)7951(Top 1017%)
10K6.21 mi3.10 mi22301+8638812+4438812+44321356(Top 74%)8315(Top 66%)8315(Top 1063%)
15K9.32 mi3.11 mi21794+5078559+2538559+25320686(Top 71%)7951(Top 63%)7951(Top 1017%)
20K12.43 mi3.11 mi21529+2658428+1318428+13120887(Top 72%)8088(Top 64%)8088(Top 1034%)
HALF13.11 mi0.68 mi21411+1188370+588370+5819186(Top 66%)7157(Top 57%)7157(Top 915%)
25K15.53 mi2.42 mi21738-3278528-1588528-15823082(Top 80%)9233(Top 73%)9233(Top 1181%)
30K18.64 mi3.11 mi21553+1858454+748454+7420834(Top 72%)8177(Top 65%)8177(Top 1046%)
20M20.00 mi1.36 mi21266+2878329+1258329+12518006(Top 62%)6770(Top 54%)6770(Top 866%)
21M21.00 mi1.00 mi21345-798374-458374-4521886(Top 75%)8836(Top 70%)8836(Top 1130%)
35K21.75 mi0.75 mi21414-698419-458419-4522456(Top 77%)9178(Top 73%)9178(Top 1174%)
23M23.00 mi1.25 mi21274+1408351+688351+6818986(Top 65%)7469(Top 59%)7469(Top 955%)
24M24.00 mi1.00 mi21161+1138307+448307+4418656(Top 64%)7336(Top 58%)7336(Top 938%)
40K24.85 mi0.85 mi21197-368344-378344-3721436(Top 74%)8804(Top 70%)8804(Top 1126%)
25.2M25.20 mi0.35 mi21154+438323+218323+2117985(Top 62%)7048(Top 56%)7048(Top 901%)
FINISH26.22 mi1.02 mi21316-1628416-938416-9323730(Top 82%)9983(Top 79%)9983(Top 1277%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21
+97ft-345ft

Overall

20686

Females

7951

F60-64

7951

5K→10K

3.1 - 6.2 mi

Top 74%
×5
+79ft-138ft

Overall

21356

Females

8315

F60-64

8315

10K→15K

6.2 - 9.3 mi

Top 71%
×3
+67ft-78ft

Overall

20686

Females

7951

F60-64

7951

15K→20K

9.3 - 12.4 mi

Top 72%
×5
+106ft-86ft

Overall

20887

Females

8088

F60-64

8088

20K→HALF

12.4 - 13.1 mi

Top 66%
×2
+19ft-37ft

Overall

19186

Females

7157

F60-64

7157

HALF→25K

13.1 - 15.5 mi

Top 80%
×4
+66ft-88ft

Overall

23082

Females

9233

F60-64

9233

25K→30K

15.5 - 18.6 mi

Top 72%
×9
+181ft-148ft

Overall

20834

Females

8177

F60-64

8177

30K→20M

18.6 - 20.0 mi

Top 62%
×5
+64ft-50ft

Overall

18006

Females

6770

F60-64

6770

20M→21M

20.0 - 21.0 mi

Top 75%
×8
+106ft-24ft

Overall

21886

Females

8836

F60-64

8836

21M→35K

21.0 - 21.8 mi

Top 77%
×7
+17ft-86ft

Overall

22456

Females

9178

F60-64

9178

35K→23M

21.8 - 23.0 mi

Top 65%
×5
+23ft-63ft

Overall

18986

Females

7469

F60-64

7469

23M→24M

23.0 - 24.0 mi

Top 64%
×6
+12ft-82ft

Overall

18656

Females

7336

F60-64

7336

24M→40K

24.0 - 24.9 mi

Top 74%
×1
+6ft-20ft

Overall

21436

Females

8804

F60-64

8804

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1
+13ft-16ft

Overall

17985

Females

7048

F60-64

7048

25.2M→FINISH

25.2 - 26.2 mi

Top 82%
×2
+22ft-21ft

Overall

23730

Females

9983

F60-64

9983

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2916*
Passed By
898
Net Change
+1848
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23164
5K → 10K907*44+863#23164#22301
10K → 15K532*25+507#22301#21794
15K → 20K312*47+265#21794#21529
20K → HALF1191+118#21529#21411
HALF → 25K43200-327#21411#21738
25K → 30K259*74+185#21738#21553
30K → 20M287*0+287#21553#21266
20M → 21M48127-79#21266#21345
21M → 35K3099-69#21345#21414
35K → 23M15212+140#21414#21274
23M → 24M12310+113#21274#21161
24M → 40K3874-36#21161#21197
40K → 25.2M485+43#21197#21154
25.2M → FINISH18180-162#21154#21316
TOTALS2916*898+1848

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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