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BOSTON MARATHON 2026

Yi Xiao

Bib: 20389•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
Age Group (F60-64)
#0 / 782
Top 18%
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
26:44
3.11 mi
Rank: #20665
Start → 5K
26:44 | 8:37/mi
10K
53:26
6.21 mi
Rank: #20751 (-86)
5K → 10K
26:42 | 8:36/mi
15K
1:20:23
9.32 mi
Rank: #20878 (-127)
10K → 15K
26:57 | 8:41/mi
20K
1:47:49
12.43 mi
Rank: #20916 (-38)
15K → 20K
27:26 | 8:50/mi
HALF
1:53:46
13.11 mi
Rank: #20948 (-32)
20K → HALF
5:57 | 8:44/mi
25K
2:15:09
15.53 mi
Rank: #20827 (+121)
HALF → 25K
21:23 | 8:50/mi
30K
2:43:07
18.64 mi
Rank: #20605 (+222)
25K → 30K
27:58 | 9:01/mi
20M
2:55:21
20.00 mi
Rank: #20463 (+142)
30K → 20M
12:14 | 9:01/mi
21M
3:04:54
21.00 mi
Rank: #20370 (+93)
20M → 21M
9:33 | 9:33/mi
35K
3:11:27
21.75 mi
Rank: #20320 (+50)
21M → 35K
6:33 | 8:46/mi
23M
3:22:26
23.00 mi
Rank: #20154 (+166)
35K → 23M
10:59 | 8:47/mi
24M
3:31:06
24.00 mi
Rank: #20056 (+98)
23M → 24M
8:40 | 8:40/mi
40K
3:38:34
24.85 mi
Rank: #19944 (+112)
24M → 40K
7:28 | 8:44/mi
25.2M
3:41:50
25.20 mi
Rank: #19892 (+52)
40K → 25.2M
3:16 | 9:29/mi
FINISH
3:50:44
26.22 mi
Rank: #19877 (+15)
25.2M → FINISH
8:54 | 8:45/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:46
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time1:56:58
Pace8:56 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:3926:448:3726:44
8:37
-
10K
6.21 mi11:55:2153:268:3626:42
8:36
-0:01
15K
9.32 mi12:22:181:20:238:3826:57
8:41
+0:05
20K
12.43 mi12:49:441:47:498:4127:26
8:50
+0:09
HALF
13.11 mi12:55:411:53:468:415:57
8:44
-0:06
25K
15.53 mi13:17:042:15:098:4321:23
8:50
+0:06
30K
18.64 mi13:45:022:43:078:4627:58
9:01
+0:11
20M
20.00 mi13:57:162:55:218:4712:14
9:01
0:00
21M
21.00 mi14:06:493:04:548:499:33
9:33
+0:32
35K
21.75 mi14:13:223:11:278:496:33
8:46
-0:47
23M
23.00 mi14:24:213:22:268:4910:59
8:47
+0:01
24M
24.00 mi14:33:013:31:068:488:40
8:40
-0:07
40K
24.85 mi14:40:293:38:348:487:28
8:44
+0:04
25.2M
25.20 mi14:43:453:41:508:493:16
9:29
+0:45
FINISH
26.22 mi14:52:393:50:448:498:54
8:45
-0:44

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

8:36 /mi

Average Pace

8:48 /mi

Slowest Pace

9:33 /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

3:37:55

94% of race

Time at Steady Pace

12:49

6% of race

Time at Slower Pace

0:00

0% 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:28:3926:448:3726:44
8:37
#20665
10K
6.21 mi11:55:2153:268:3626:42
8:36
#20751
15K
9.32 mi12:22:181:20:238:3826:57
8:41
#20878
20K
12.43 mi12:49:441:47:498:4127:26
8:50
#20916
HALF
13.11 mi12:55:411:53:468:415:57
8:44
#20948
25K
15.53 mi13:17:042:15:098:4321:23
8:50
#20827
30K
18.64 mi13:45:022:43:078:4627:58
9:01
#20605
20M
20.00 mi13:57:162:55:218:4712:14
9:01
#20463
21M
21.00 mi14:06:493:04:548:499:33
9:33
#20370
35K
21.75 mi14:13:223:11:278:496:33
8:46
#20320
23M
23.00 mi14:24:213:22:268:4910:59
8:47
#20154
24M
24.00 mi14:33:013:31:068:488:40
8:40
#20056
40K
24.85 mi14:40:293:38:348:487:28
8:44
#19944
25.2M
25.20 mi14:43:453:41:508:493:16
9:29
#19892
FINISH
26.22 mi14:52:393:50:448:498:54
8:45
#19877
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 mi206657994799421077(Top 73%)8170(Top 65%)8170(Top 1045%)
10K6.21 mi3.10 mi20751-868017-238017-2320862(Top 72%)8057(Top 64%)8057(Top 1030%)
15K9.32 mi3.11 mi20878-1278068-518068-5121077(Top 73%)8170(Top 65%)8170(Top 1045%)
20K12.43 mi3.11 mi20916-388104-368104-3621124(Top 73%)8202(Top 65%)8202(Top 1049%)
HALF13.11 mi0.68 mi20948-328126-228126-2221468(Top 74%)8352(Top 66%)8352(Top 1068%)
25K15.53 mi2.42 mi20827+1218075+518075+5120321(Top 70%)7824(Top 62%)7824(Top 1001%)
30K18.64 mi3.11 mi20605+2227981+947981+9419597(Top 68%)7534(Top 60%)7534(Top 963%)
20M20.00 mi1.36 mi20463+1427908+737908+7318976(Top 65%)7274(Top 58%)7274(Top 930%)
21M21.00 mi1.00 mi20370+937876+327876+3218745(Top 65%)7192(Top 57%)7192(Top 920%)
35K21.75 mi0.75 mi20320+507855+217855+2118924(Top 65%)7391(Top 59%)7391(Top 945%)
23M23.00 mi1.25 mi20154+1667786+697786+6917364(Top 60%)6621(Top 53%)6621(Top 847%)
24M24.00 mi1.00 mi20056+987758+287758+2817870(Top 62%)6930(Top 55%)6930(Top 886%)
40K24.85 mi0.85 mi19944+1127719+397719+3917065(Top 59%)6561(Top 52%)6561(Top 839%)
25.2M25.20 mi0.35 mi19892+527693+267693+2617273(Top 60%)6672(Top 53%)6672(Top 853%)
FINISH26.22 mi1.02 mi19877+157699-67699-619354(Top 67%)7737(Top 62%)7737(Top 989%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21
+97ft-345ft

Overall

21077

Females

8170

F60-64

8170

5K→10K

3.1 - 6.2 mi

Top 72%
×5
+79ft-138ft

Overall

20862

Females

8057

F60-64

8057

10K→15K

6.2 - 9.3 mi

Top 73%
×3
+67ft-78ft

Overall

21077

Females

8170

F60-64

8170

15K→20K

9.3 - 12.4 mi

Top 73%
×5
+106ft-86ft

Overall

21124

Females

8202

F60-64

8202

20K→HALF

12.4 - 13.1 mi

Top 74%
×2
+19ft-37ft

Overall

21468

Females

8352

F60-64

8352

HALF→25K

13.1 - 15.5 mi

Top 70%
×4
+66ft-88ft

Overall

20321

Females

7824

F60-64

7824

25K→30K

15.5 - 18.6 mi

Top 68%
×9
+181ft-148ft

Overall

19597

Females

7534

F60-64

7534

30K→20M

18.6 - 20.0 mi

Top 65%
×5
+64ft-50ft

Overall

18976

Females

7274

F60-64

7274

20M→21M

20.0 - 21.0 mi

Top 65%
×8
+106ft-24ft

Overall

18745

Females

7192

F60-64

7192

21M→35K

21.0 - 21.8 mi

Top 65%
×7
+17ft-86ft

Overall

18924

Females

7391

F60-64

7391

35K→23M

21.8 - 23.0 mi

Top 60%
×5
+23ft-63ft

Overall

17364

Females

6621

F60-64

6621

23M→24M

23.0 - 24.0 mi

Top 62%
×6
+12ft-82ft

Overall

17870

Females

6930

F60-64

6930

24M→40K

24.0 - 24.9 mi

Top 59%
×1
+6ft-20ft

Overall

17065

Females

6561

F60-64

6561

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1
+13ft-16ft

Overall

17273

Females

6672

F60-64

6672

25.2M→FINISH

25.2 - 26.2 mi

Top 67%
×2
+22ft-21ft

Overall

19354

Females

7737

F60-64

7737

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1896
Passed By
1108
Net Change
+788
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20665
5K → 10K239325-86#20665#20751
10K → 15K147274-127#20751#20878
15K → 20K158196-38#20878#20916
20K → HALF1648-32#20916#20948
HALF → 25K17352+121#20948#20827
25K → 30K28462+222#20827#20605
30K → 20M16523+142#20605#20463
20M → 21M13138+93#20463#20370
21M → 35K6717+50#20370#20320
35K → 23M1726+166#20320#20154
23M → 24M11416+98#20154#20056
24M → 40K1197+112#20056#19944
40K → 25.2M564+52#19944#19892
25.2M → FINISH5540+15#19892#19877
TOTALS18961108+788
📊

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