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BOSTON MARATHON 2025

Cheryl Tamashiro

Bib: 23736•F

HI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 47%
Division (F60-64)
#0 / 624
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:09
Rank: #21199
Start → 5K
27:09 | 8:44/mi
10K· 6.21 mi
53:52
Rank: #20744 (+455)
5K → 10K
26:43 | 8:36/mi
15K· 9.32 mi
1:21:01
Rank: #20715 (+29)
10K → 15K
27:09 | 8:44/mi
20K· 12.43 mi
1:48:30
Rank: #20588 (+127)
15K → 20K
27:29 | 8:51/mi
Half· 13.11 mi
1:54:11
Rank: #20462 (+126)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:15:14
Rank: #20091 (+371)
Half → 25K
21:03 | 8:41/mi
30K· 18.64 mi
2:42:54
Rank: #19533 (+558)
25K → 30K
27:40 | 8:54/mi
20M
2:55:39
Rank: #19473 (+60)
30K → 20M
12:45 | 9:23/mi
21M
3:05:04
Rank: #19246 (+227)
20M → 21M
9:25 | 9:25/mi
35K· 21.75 mi
3:11:25
Rank: #19126 (+120)
21M → 35K
6:21 | 8:29/mi
23M
3:22:28
Rank: #18890 (+236)
35K → 23M
11:03 | 8:50/mi
24M
3:30:48
Rank: #18662 (+228)
23M → 24M
8:20 | 8:20/mi
40K· 24.85 mi
3:38:33
Rank: #18575 (+87)
24M → 40K
7:45 | 9:04/mi
25.2M
3:42:00
Rank: #18546 (+29)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:50:54
Rank: #18525 (+21)
25.2M → Finish
8:54 | 8:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:11
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time1:56:43
Pace8:54 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:1327:098:4427:09
8:44
-
10K
6.21 mi11:52:5653:528:4026:43
8:36
-0:08
15K
9.32 mi12:20:051:21:018:4227:09
8:44
+0:08
20K
12.43 mi12:47:341:48:308:4427:29
8:51
+0:07
Half
13.11 mi12:53:151:54:118:435:41
8:20
-0:31
25K
15.53 mi13:14:182:15:148:4221:03
8:41
+0:21
30K
18.64 mi13:41:582:42:548:4427:40
8:54
+0:13
20M
20.00 mi13:54:432:55:398:4712:45
9:23
+0:29
21M
21.00 mi14:04:083:05:048:499:25
9:25
+0:02
35K
21.75 mi14:10:293:11:258:486:21
8:29
-0:56
23M
23.00 mi14:21:323:22:288:4811:03
8:50
+0:21
24M
24.00 mi14:29:523:30:488:478:20
8:20
-0:30
40K
24.85 mi14:37:373:38:338:487:45
9:04
+0:44
25.2M
25.20 mi14:41:043:42:008:493:27
10:00
+0:56
Finish
26.22 mi14:49:583:50:548:498:54
8:44
-1:16

Checkpoints & Pacing

📈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

8:20 /mi

Average Pace

8:49 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:25:17

89% of race

Time at Steady Pace

22:10

10% of race

Time at Slower Pace

3:27

1% of race

Average Pace: 8:48 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:26:1327:098:4427:09
8:44
#21199
10K
6.21 mi11:52:5653:528:4026:43
8:36
#20744
15K
9.32 mi12:20:051:21:018:4227:09
8:44
#20715
20K
12.43 mi12:47:341:48:308:4427:29
8:51
#20588
Half
13.11 mi12:53:151:54:118:435:41
8:20
#20462
25K
15.53 mi13:14:182:15:148:4221:03
8:41
#20091
30K
18.64 mi13:41:582:42:548:4427:40
8:54
#19533
20M
20.00 mi13:54:432:55:398:4712:45
9:23
#19473
21M
21.00 mi14:04:083:05:048:499:25
9:25
#19246
35K
21.75 mi14:10:293:11:258:486:21
8:29
#19126
23M
23.00 mi14:21:323:22:288:4811:03
8:50
#18890
24M
24.00 mi14:29:523:30:488:478:20
8:20
#18662
40K
24.85 mi14:37:373:38:338:487:45
9:04
#18575
25.2M
25.20 mi14:41:043:42:008:493:27
10:00
#18546
Finish
26.22 mi14:49:583:50:548:498:54
8:44
#18525
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi211998194819420691(Top 73%)7821(Top 64%)7821(Top 1253%)
10K6.21 mi3.10 mi20744+4557910+2847910+28420355(Top 72%)7667(Top 63%)7667(Top 1229%)
15K9.32 mi3.11 mi20715+297871+397871+3920691(Top 73%)7821(Top 64%)7821(Top 1253%)
20K12.43 mi3.11 mi20588+1277809+627809+6220193(Top 71%)7584(Top 62%)7584(Top 1215%)
Half13.11 mi0.68 mi20462+1267743+667743+6618199(Top 64%)6449(Top 53%)6449(Top 1033%)
25K15.53 mi2.42 mi20091+3717538+2057538+20518304(Top 64%)6595(Top 54%)6595(Top 1057%)
30K18.64 mi3.11 mi19533+5587260+2787260+27817200(Top 61%)6137(Top 50%)6137(Top 983%)
20M20.00 mi1.36 mi19473+607248+127248+1218684(Top 66%)7095(Top 58%)7095(Top 1137%)
21M21.00 mi1.00 mi19246+2277143+1057143+10515742(Top 55%)5582(Top 46%)5582(Top 895%)
35K21.75 mi0.75 mi19126+1207085+587085+5815457(Top 54%)5513(Top 45%)5513(Top 883%)
23M23.00 mi1.25 mi18890+2366988+976988+9715279(Top 54%)5489(Top 45%)5489(Top 880%)
24M24.00 mi1.00 mi18662+2286883+1056883+10513521(Top 48%)4587(Top 38%)4587(Top 735%)
40K24.85 mi0.85 mi18575+876863+206863+2016720(Top 59%)6438(Top 53%)6438(Top 1032%)
25.2M25.20 mi0.35 mi18546+296863686317119(Top 60%)6657(Top 54%)6657(Top 1067%)
Finish26.22 mi1.02 mi18525+216864-16864-117699(Top 62%)6924(Top 57%)6924(Top 1110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

20691

Females

7821

F60-64

7821

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

20355

Females

7667

F60-64

7667

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

20691

Females

7821

F60-64

7821

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

20193

Females

7584

F60-64

7584

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

18199

Females

6449

F60-64

6449

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18304

Females

6595

F60-64

6595

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

17200

Females

6137

F60-64

6137

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

18684

Females

7095

F60-64

7095

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

15742

Females

5582

F60-64

5582

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

15457

Females

5513

F60-64

5513

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

15279

Females

5489

F60-64

5489

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13521

Females

4587

F60-64

4587

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16720

Females

6438

F60-64

6438

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17119

Females

6657

F60-64

6657

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

17699

Females

6924

F60-64

6924

Passing Analysis

Category:
Athletes Passed
3331
Passed By
657
Net Change
+2674
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21199
5K → 10K583128+455#21199#20744
10K → 15K205176+29#20744#20715
15K → 20K243116+127#20715#20588
20K → Half1282+126#20588#20462
Half → 25K39322+371#20462#20091
25K → 30K57618+558#20091#19533
30K → 20M13676+60#19533#19473
20M → 21M23811+227#19473#19246
21M → 35K1266+120#19246#19126
35K → 23M2382+236#19126#18890
23M → 24M2313+228#18890#18662
24M → 40K11932+87#18662#18575
40K → 25.2M4920+29#18575#18546
25.2M → Finish6645+21#18546#18525
TOTALS3331657+2674
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing