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BOSTON MARATHON 2026

Yumei Zhou

Bib: 25132•F

Masters
Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F55-59)
#0 / 951
Top 45%
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· 3.11 mi
25:06
Rank: #17495
Start → 5K
25:06 | 8:05/mi
10K· 6.21 mi
50:11
Rank: #17629 (-134)
5K → 10K
25:05 | 8:05/mi
15K· 9.32 mi
1:15:07
Rank: #17493 (+136)
10K → 15K
24:56 | 8:02/mi
20K· 12.43 mi
1:40:01
Rank: #17176 (+317)
15K → 20K
24:54 | 8:01/mi
HALF· 13.11 mi
1:45:28
Rank: #17166 (+10)
20K → HALF
5:27 | 8:00/mi
25K· 15.53 mi
2:06:21
Rank: #17526 (-360)
HALF → 25K
20:53 | 8:37/mi
30K· 18.64 mi
2:34:38
Rank: #17990 (-464)
25K → 30K
28:17 | 9:07/mi
20M
2:49:14
Rank: #18746 (-756)
30K → 20M
14:36 | 10:45/mi
21M
3:00:30
Rank: #19218 (-472)
20M → 21M
11:16 | 11:16/mi
35K· 21.75 mi
3:07:41
Rank: #19363 (-145)
21M → 35K
7:11 | 9:37/mi
23M
3:22:29
Rank: #20164 (-801)
35K → 23M
14:48 | 11:50/mi
24M
3:32:51
Rank: #20395 (-231)
23M → 24M
10:22 | 10:22/mi
40K· 24.85 mi
3:42:06
Rank: #20617 (-222)
24M → 40K
9:15 | 10:50/mi
25.2M
3:45:56
Rank: #20677 (-60)
40K → 25.2M
3:50 | 11:07/mi
FINISH· 26.22 mi
3:55:50
Rank: #20809 (-132)
25.2M → FINISH
9:54 | 9:43/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
Time1:45:28
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time2:10:22
Pace9:57 /mi
📊Positive Split: 23.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:5325:068:0525:06
8:05
-
10K
6.21 mi11:55:5850:118:0525:05
8:05
0:00
15K
9.32 mi12:20:541:15:078:0424:56
8:02
-0:03
20K
12.43 mi12:45:481:40:018:0324:54
8:01
-0:01
HALF
13.11 mi12:51:151:45:288:035:27
8:00
-0:01
25K
15.53 mi13:12:082:06:218:0920:53
8:37
+0:37
30K
18.64 mi13:40:252:34:388:1828:17
9:07
+0:30
20M
20.00 mi13:55:012:49:148:2814:36
10:45
+1:38
21M
21.00 mi14:06:173:00:308:3611:16
11:16
+0:31
35K
21.75 mi14:13:283:07:418:387:11
9:37
-1:39
23M
23.00 mi14:28:163:22:298:4914:48
11:50
+2:13
24M
24.00 mi14:38:383:32:518:5310:22
10:22
-1:28
40K
24.85 mi14:47:533:42:068:579:15
10:50
+0:28
25.2M
25.20 mi14:51:433:45:568:583:50
11:07
+0:17
FINISH
26.22 mi15:01:373:55:509:019:54
9:43
-1:24

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

8:00 /mi

Average Pace

9:00 /mi

Slowest Pace

11:50 /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

2:06:21

54% of race

Time at Steady Pace

45:22

19% of race

Time at Slower Pace

1:04:07

27% of race

Average Pace: 9:00 /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 mi11:30:5325:068:0525:06
8:05
#17495
10K
6.21 mi11:55:5850:118:0525:05
8:05
#17629
15K
9.32 mi12:20:541:15:078:0424:56
8:02
#17493
20K
12.43 mi12:45:481:40:018:0324:54
8:01
#17176
HALF
13.11 mi12:51:151:45:288:035:27
8:00
#17166
25K
15.53 mi13:12:082:06:218:0920:53
8:37
#17526
30K
18.64 mi13:40:252:34:388:1828:17
9:07
#17990
20M
20.00 mi13:55:012:49:148:2814:36
10:45
#18746
21M
21.00 mi14:06:173:00:308:3611:16
11:16
#19218
35K
21.75 mi14:13:283:07:418:387:11
9:37
#19363
23M
23.00 mi14:28:163:22:298:4914:48
11:50
#20164
24M
24.00 mi14:38:383:32:518:5310:22
10:22
#20395
40K
24.85 mi14:47:533:42:068:579:15
10:50
#20617
25.2M
25.20 mi14:51:433:45:568:583:50
11:07
#20677
FINISH
26.22 mi15:01:373:55:509:019:54
9:43
#20809
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi174956210621017233(Top 59%)6047(Top 48%)6047(Top 636%)
10K6.21 mi3.10 mi17629-1346273-636273-6317804(Top 61%)6385(Top 51%)6385(Top 671%)
15K9.32 mi3.11 mi17493+1366218+556218+5517233(Top 59%)6047(Top 48%)6047(Top 636%)
20K12.43 mi3.11 mi17176+3176030+1886030+18816237(Top 56%)5519(Top 44%)5519(Top 580%)
HALF13.11 mi0.68 mi17166+106028+26028+217170(Top 59%)6029(Top 48%)6029(Top 634%)
25K15.53 mi2.42 mi17526-3606233-2056233-20519263(Top 66%)7279(Top 58%)7279(Top 765%)
30K18.64 mi3.11 mi17990-4646533-3006533-30020098(Top 69%)7793(Top 62%)7793(Top 819%)
20M20.00 mi1.36 mi18746-7566978-4456978-44524393(Top 84%)10120(Top 80%)10120(Top 1064%)
21M21.00 mi1.00 mi19218-4727253-2757253-27523688(Top 82%)9802(Top 78%)9802(Top 1031%)
35K21.75 mi0.75 mi19363-1457347-947347-9422083(Top 76%)8993(Top 71%)8993(Top 946%)
23M23.00 mi1.25 mi20164-8017792-4457792-44525897(Top 89%)11019(Top 88%)11019(Top 1159%)
24M24.00 mi1.00 mi20395-2317924-1327924-13223770(Top 82%)9947(Top 79%)9947(Top 1046%)
40K24.85 mi0.85 mi20617-2228054-1308054-13023874(Top 82%)10063(Top 80%)10063(Top 1058%)
25.2M25.20 mi0.35 mi20677-608081-278081-2722662(Top 78%)9424(Top 75%)9424(Top 991%)
FINISH26.22 mi1.02 mi20809-1328149-688149-6823033(Top 79%)9614(Top 76%)9614(Top 1011%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

17233

Females

6047

F55-59

6047

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17804

Females

6385

F55-59

6385

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

17233

Females

6047

F55-59

6047

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

16237

Females

5519

F55-59

5519

20K→HALF

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

17170

Females

6029

F55-59

6029

HALF→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

19263

Females

7279

F55-59

7279

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

20098

Females

7793

F55-59

7793

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

24393

Females

10120

F55-59

10120

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23688

Females

9802

F55-59

9802

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

22083

Females

8993

F55-59

8993

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

25897

Females

11019

F55-59

11019

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

23770

Females

9947

F55-59

9947

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23874

Females

10063

F55-59

10063

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22662

Females

9424

F55-59

9424

25.2M→FINISH

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

23033

Females

9614

F55-59

9614

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1118
Passed By
4432
Net Change
-3314
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17495
5K → 10K203337-134#17495#17629
10K → 15K264128+136#17629#17493
15K → 20K35740+317#17493#17176
20K → HALF4232+10#17176#17166
HALF → 25K56416-360#17166#17526
25K → 30K78542-464#17526#17990
30K → 20M16772-756#17990#18746
20M → 21M14486-472#18746#19218
21M → 35K25170-145#19218#19363
35K → 23M4805-801#19363#20164
23M → 24M18249-231#20164#20395
24M → 40K16238-222#20395#20617
40K → 25.2M666-60#20617#20677
25.2M → FINISH19151-132#20677#20809
TOTALS11184432-3314
📊

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