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BOSTON MARATHON 2026

Ayako Tokairin

Bib: 19512•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 43%
Age Group (F50-54)
#0 / 1233
Top 41%
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
26:16
3.11 mi
Rank: #19811
Start → 5K
26:16 | 8:28/mi
10K
52:01
6.21 mi
Rank: #19459 (+352)
5K → 10K
25:45 | 8:18/mi
15K
1:17:46
9.32 mi
Rank: #19257 (+202)
10K → 15K
25:45 | 8:18/mi
20K
1:43:47
12.43 mi
Rank: #19074 (+183)
15K → 20K
26:01 | 8:23/mi
HALF
1:49:23
13.11 mi
Rank: #19053 (+21)
20K → HALF
5:36 | 8:13/mi
25K
2:09:43
15.53 mi
Rank: #18847 (+206)
HALF → 25K
20:20 | 8:24/mi
30K
2:37:15
18.64 mi
Rank: #18816 (+31)
25K → 30K
27:32 | 8:52/mi
20M
2:49:02
20.00 mi
Rank: #18688 (+128)
30K → 20M
11:47 | 8:41/mi
21M
2:58:11
21.00 mi
Rank: #18569 (+119)
20M → 21M
9:09 | 9:09/mi
35K
3:04:38
21.75 mi
Rank: #18552 (+17)
21M → 35K
6:27 | 8:38/mi
23M
3:15:28
23.00 mi
Rank: #18435 (+117)
35K → 23M
10:50 | 8:40/mi
24M
3:24:03
24.00 mi
Rank: #18383 (+52)
23M → 24M
8:35 | 8:35/mi
40K
3:31:24
24.85 mi
Rank: #18292 (+91)
24M → 40K
7:21 | 8:36/mi
25.2M
3:34:36
25.20 mi
Rank: #18258 (+34)
40K → 25.2M
3:12 | 9:17/mi
FINISH
3:43:02
26.22 mi
Rank: #18185 (+73)
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
Time1:49:23
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:53:39
Pace8:41 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:1326:168:2826:16
8:28
-
10K
6.21 mi11:56:5852:018:2325:45
8:18
-0:10
15K
9.32 mi12:22:431:17:468:2125:45
8:18
0:00
20K
12.43 mi12:48:441:43:478:2226:01
8:23
+0:05
HALF
13.11 mi12:54:201:49:238:215:36
8:13
-0:10
25K
15.53 mi13:14:402:09:438:2220:20
8:24
+0:11
30K
18.64 mi13:42:122:37:158:2727:32
8:52
+0:28
20M
20.00 mi13:53:592:49:028:2811:47
8:41
-0:11
21M
21.00 mi14:03:082:58:118:309:09
9:09
+0:28
35K
21.75 mi14:09:353:04:388:306:27
8:38
-0:31
23M
23.00 mi14:20:253:15:288:3010:50
8:40
+0:02
24M
24.00 mi14:29:003:24:038:318:35
8:35
-0:05
40K
24.85 mi14:36:213:31:248:317:21
8:36
+0:01
25.2M
25.20 mi14:39:333:34:368:313:12
9:17
+0:41
FINISH
26.22 mi14:47:593:43:028:318:26
8:17
-1:00

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

8:13 /mi

Average Pace

8:31 /mi

Slowest Pace

9:17 /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

3:30:41

94% of race

Time at Steady Pace

12:21

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:30 /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 mi11:31:1326:168:2826:16
8:28
#19811
10K
6.21 mi11:56:5852:018:2325:45
8:18
#19459
15K
9.32 mi12:22:431:17:468:2125:45
8:18
#19257
20K
12.43 mi12:48:441:43:478:2226:01
8:23
#19074
HALF
13.11 mi12:54:201:49:238:215:36
8:13
#19053
25K
15.53 mi13:14:402:09:438:2220:20
8:24
#18847
30K
18.64 mi13:42:122:37:158:2727:32
8:52
#18816
20M
20.00 mi13:53:592:49:028:2811:47
8:41
#18688
21M
21.00 mi14:03:082:58:118:309:09
9:09
#18569
35K
21.75 mi14:09:353:04:388:306:27
8:38
#18552
23M
23.00 mi14:20:253:15:288:3010:50
8:40
#18435
24M
24.00 mi14:29:003:24:038:318:35
8:35
#18383
40K
24.85 mi14:36:213:31:248:317:21
8:36
#18292
25.2M
25.20 mi14:39:333:34:368:313:12
9:17
#18258
FINISH
26.22 mi14:47:593:43:028:318:26
8:17
#18185
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi198117528752818917(Top 65%)6990(Top 56%)6990(Top 567%)
10K6.21 mi3.10 mi19459+3527316+2127316+21219111(Top 66%)7085(Top 56%)7085(Top 575%)
15K9.32 mi3.11 mi19257+2027197+1197197+11918917(Top 65%)6990(Top 56%)6990(Top 567%)
20K12.43 mi3.11 mi19074+1837098+997098+9918567(Top 64%)6836(Top 54%)6836(Top 554%)
HALF13.11 mi0.68 mi19053+217084+147084+1418536(Top 64%)6785(Top 54%)6785(Top 550%)
25K15.53 mi2.42 mi18847+2066982+1026982+10217904(Top 62%)6505(Top 52%)6505(Top 528%)
30K18.64 mi3.11 mi18816+317003-217003-2118899(Top 65%)7155(Top 57%)7155(Top 580%)
20M20.00 mi1.36 mi18688+1286947+566947+5617287(Top 60%)6354(Top 51%)6354(Top 515%)
21M21.00 mi1.00 mi18569+1196894+536894+5316938(Top 58%)6216(Top 49%)6216(Top 504%)
35K21.75 mi0.75 mi18552+176890+46890+418246(Top 63%)7028(Top 56%)7028(Top 570%)
23M23.00 mi1.25 mi18435+1176847+436847+4316683(Top 57%)6251(Top 50%)6251(Top 507%)
24M24.00 mi1.00 mi18383+526839+86839+817410(Top 60%)6694(Top 53%)6694(Top 543%)
40K24.85 mi0.85 mi18292+916804+356804+3516307(Top 56%)6151(Top 49%)6151(Top 499%)
25.2M25.20 mi0.35 mi18258+346794+106794+1016311(Top 56%)6147(Top 49%)6147(Top 499%)
FINISH26.22 mi1.02 mi18185+736771+236771+2316909(Top 58%)6459(Top 51%)6459(Top 524%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21
+97ft-345ft

Overall

18917

Females

6990

F50-54

6990

5K→10K

3.1 - 6.2 mi

Top 66%
×5
+79ft-138ft

Overall

19111

Females

7085

F50-54

7085

10K→15K

6.2 - 9.3 mi

Top 65%
×3
+67ft-78ft

Overall

18917

Females

6990

F50-54

6990

15K→20K

9.3 - 12.4 mi

Top 64%
×5
+106ft-86ft

Overall

18567

Females

6836

F50-54

6836

20K→HALF

12.4 - 13.1 mi

Top 64%
×2
+19ft-37ft

Overall

18536

Females

6785

F50-54

6785

HALF→25K

13.1 - 15.5 mi

Top 62%
×4
+66ft-88ft

Overall

17904

Females

6505

F50-54

6505

25K→30K

15.5 - 18.6 mi

Top 65%
×9
+181ft-148ft

Overall

18899

Females

7155

F50-54

7155

30K→20M

18.6 - 20.0 mi

Top 60%
×5
+64ft-50ft

Overall

17287

Females

6354

F50-54

6354

20M→21M

20.0 - 21.0 mi

Top 58%
×8
+106ft-24ft

Overall

16938

Females

6216

F50-54

6216

21M→35K

21.0 - 21.8 mi

Top 63%
×7
+17ft-86ft

Overall

18246

Females

7028

F50-54

7028

35K→23M

21.8 - 23.0 mi

Top 57%
×5
+23ft-63ft

Overall

16683

Females

6251

F50-54

6251

23M→24M

23.0 - 24.0 mi

Top 60%
×6
+12ft-82ft

Overall

17410

Females

6694

F50-54

6694

24M→40K

24.0 - 24.9 mi

Top 56%
×1
+6ft-20ft

Overall

16307

Females

6151

F50-54

6151

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1
+13ft-16ft

Overall

16311

Females

6147

F50-54

6147

25.2M→FINISH

25.2 - 26.2 mi

Top 58%
×2
+22ft-21ft

Overall

16909

Females

6459

F50-54

6459

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2372
Passed By
746
Net Change
+1626
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19811
5K → 10K488136+352#19811#19459
10K → 15K29593+202#19459#19257
15K → 20K24562+183#19257#19074
20K → HALF4625+21#19074#19053
HALF → 25K23933+206#19053#18847
25K → 30K196165+31#18847#18816
30K → 20M15123+128#18816#18688
20M → 21M14930+119#18688#18569
21M → 35K6548+17#18569#18552
35K → 23M14023+117#18552#18435
23M → 24M9947+52#18435#18383
24M → 40K10716+91#18383#18292
40K → 25.2M428+34#18292#18258
25.2M → FINISH11037+73#18258#18185
TOTALS2372746+1626
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing