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BOSTON MARATHON 2026

Zhou Yu

Bib: 13707•M

OH

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0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
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
23:22
3.11 mi
Rank: #12945
Start → 5K
23:22 | 7:32/mi
10K
46:26
6.21 mi
Rank: #12596 (+349)
5K → 10K
23:04 | 7:26/mi
15K
1:10:04
9.32 mi
Rank: #12951 (-355)
10K → 15K
23:38 | 7:37/mi
20K
1:33:59
12.43 mi
Rank: #13123 (-172)
15K → 20K
23:55 | 7:42/mi
HALF
1:39:01
13.11 mi
Rank: #13075 (+48)
20K → HALF
5:02 | 7:24/mi
25K
1:57:41
15.53 mi
Rank: #13062 (+13)
HALF → 25K
18:40 | 7:42/mi
30K
2:22:22
18.64 mi
Rank: #13018 (+44)
25K → 30K
24:41 | 7:57/mi
20M
2:33:33
20.00 mi
Rank: #13102 (-84)
30K → 20M
11:11 | 8:14/mi
21M
2:42:23
21.00 mi
Rank: #13204 (-102)
20M → 21M
8:50 | 8:50/mi
35K
2:48:40
21.75 mi
Rank: #13343 (-139)
21M → 35K
6:17 | 8:24/mi
23M
3:00:08
23.00 mi
Rank: #13787 (-444)
35K → 23M
11:28 | 9:10/mi
24M
3:09:01
24.00 mi
Rank: #14061 (-274)
23M → 24M
8:53 | 8:53/mi
40K
3:16:45
24.85 mi
Rank: #14265 (-204)
24M → 40K
7:44 | 9:03/mi
25.2M
3:20:15
25.20 mi
Rank: #14400 (-135)
40K → 25.2M
3:30 | 10:09/mi
FINISH
3:28:46
26.22 mi
Rank: #14558 (-158)
25.2M → FINISH
8:31 | 8:22/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:39:01
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:49:45
Pace8:23 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5623:227:3223:22
7:32
-
10K
6.21 mi11:16:0046:267:2923:04
7:26
-0:06
15K
9.32 mi11:39:381:10:047:3223:38
7:37
+0:11
20K
12.43 mi12:03:331:33:597:3423:55
7:42
+0:05
HALF
13.11 mi12:08:351:39:017:345:02
7:24
-0:18
25K
15.53 mi12:27:151:57:417:3518:40
7:42
+0:18
30K
18.64 mi12:51:562:22:227:3924:41
7:57
+0:15
20M
20.00 mi13:03:072:33:337:4111:11
8:14
+0:17
21M
21.00 mi13:11:572:42:237:448:50
8:50
+0:36
35K
21.75 mi13:18:142:48:407:466:17
8:24
-0:26
23M
23.00 mi13:29:423:00:087:5011:28
9:10
+0:46
24M
24.00 mi13:38:353:09:017:538:53
8:53
-0:17
40K
24.85 mi13:46:193:16:457:557:44
9:03
+0:10
25.2M
25.20 mi13:49:493:20:157:573:30
10:09
+1:06
FINISH
26.22 mi13:58:203:28:467:598:31
8:22
-1:47

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

7:24 /mi

Average Pace

7:58 /mi

Slowest Pace

10:09 /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

1:57:41

56% of race

Time at Steady Pace

50:40

24% of race

Time at Slower Pace

40:25

19% of race

Average Pace: 7:58 /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 mi10:52:5623:227:3223:22
7:32
#12945
10K
6.21 mi11:16:0046:267:2923:04
7:26
#12596
15K
9.32 mi11:39:381:10:047:3223:38
7:37
#12951
20K
12.43 mi12:03:331:33:597:3423:55
7:42
#13123
HALF
13.11 mi12:08:351:39:017:345:02
7:24
#13075
25K
15.53 mi12:27:151:57:417:3518:40
7:42
#13062
30K
18.64 mi12:51:562:22:227:3924:41
7:57
#13018
20M
20.00 mi13:03:072:33:337:4111:11
8:14
#13102
21M
21.00 mi13:11:572:42:237:448:50
8:50
#13204
35K
21.75 mi13:18:142:48:407:466:17
8:24
#13343
23M
23.00 mi13:29:423:00:087:5011:28
9:10
#13787
24M
24.00 mi13:38:353:09:017:538:53
8:53
#14061
40K
24.85 mi13:46:193:16:457:557:44
9:03
#14265
25.2M
25.20 mi13:49:493:20:157:573:30
10:09
#14400
FINISH
26.22 mi13:58:203:28:467:598:31
8:22
#14558
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi129459446944613715(Top 47%)9676(Top 59%)9676(Top 518%)
10K6.21 mi3.10 mi12596+3499267+1799267+17912298(Top 42%)9110(Top 56%)9110(Top 488%)
15K9.32 mi3.11 mi12951-3559390-1239390-12313715(Top 47%)9676(Top 59%)9676(Top 518%)
20K12.43 mi3.11 mi13123-1729420-309420-3013695(Top 47%)9604(Top 59%)9604(Top 514%)
HALF13.11 mi0.68 mi13075+489401+199401+1911953(Top 41%)8925(Top 55%)8925(Top 478%)
25K15.53 mi2.42 mi13062+139372+299372+2913014(Top 45%)9230(Top 56%)9230(Top 494%)
30K18.64 mi3.11 mi13018+449311+619311+6113078(Top 45%)9156(Top 56%)9156(Top 490%)
20M20.00 mi1.36 mi13102-849318-79318-714454(Top 50%)9666(Top 59%)9666(Top 517%)
21M21.00 mi1.00 mi13204-1029349-319349-3115157(Top 52%)9881(Top 60%)9881(Top 529%)
35K21.75 mi0.75 mi13343-1399390-419390-4116986(Top 59%)10597(Top 65%)10597(Top 567%)
23M23.00 mi1.25 mi13787-4449554-1649554-16419221(Top 66%)11562(Top 71%)11562(Top 619%)
24M24.00 mi1.00 mi14061-2749654-1009654-10018912(Top 65%)11360(Top 70%)11360(Top 608%)
40K24.85 mi0.85 mi14265-2049710-569710-5618582(Top 64%)11154(Top 68%)11154(Top 597%)
25.2M25.20 mi0.35 mi14400-1359750-409750-4019863(Top 68%)11770(Top 72%)11770(Top 630%)
FINISH26.22 mi1.02 mi14558-1589804-549804-5417347(Top 60%)10583(Top 65%)10583(Top 567%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21
+97ft-345ft

Overall

13715

Males

9676

M50-54

9676

5K→10K

3.1 - 6.2 mi

Top 42%
×5
+79ft-138ft

Overall

12298

Males

9110

M50-54

9110

10K→15K

6.2 - 9.3 mi

Top 47%
×3
+67ft-78ft

Overall

13715

Males

9676

M50-54

9676

15K→20K

9.3 - 12.4 mi

Top 47%
×5
+106ft-86ft

Overall

13695

Males

9604

M50-54

9604

20K→HALF

12.4 - 13.1 mi

Top 41%
×2
+19ft-37ft

Overall

11953

Males

8925

M50-54

8925

HALF→25K

13.1 - 15.5 mi

Top 45%
×4
+66ft-88ft

Overall

13014

Males

9230

M50-54

9230

25K→30K

15.5 - 18.6 mi

Top 45%
×9
+181ft-148ft

Overall

13078

Males

9156

M50-54

9156

30K→20M

18.6 - 20.0 mi

Top 50%
×5
+64ft-50ft

Overall

14454

Males

9666

M50-54

9666

20M→21M

20.0 - 21.0 mi

Top 52%
×8
+106ft-24ft

Overall

15157

Males

9881

M50-54

9881

21M→35K

21.0 - 21.8 mi

Top 59%
×7
+17ft-86ft

Overall

16986

Males

10597

M50-54

10597

35K→23M

21.8 - 23.0 mi

Top 66%
×5
+23ft-63ft

Overall

19221

Males

11562

M50-54

11562

23M→24M

23.0 - 24.0 mi

Top 65%
×6
+12ft-82ft

Overall

18912

Males

11360

M50-54

11360

24M→40K

24.0 - 24.9 mi

Top 64%
×1
+6ft-20ft

Overall

18582

Males

11154

M50-54

11154

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1
+13ft-16ft

Overall

19863

Males

11770

M50-54

11770

25.2M→FINISH

25.2 - 26.2 mi

Top 60%
×2
+22ft-21ft

Overall

17347

Males

10583

M50-54

10583

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1340
Passed By
2953
Net Change
-1613
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12945
5K → 10K491142+349#12945#12596
10K → 15K89444-355#12596#12951
15K → 20K99271-172#12951#13123
20K → HALF568+48#13123#13075
HALF → 25K135122+13#13075#13062
25K → 30K201157+44#13062#13018
30K → 20M85169-84#13018#13102
20M → 21M52154-102#13102#13204
21M → 35K24163-139#13204#13343
35K → 23M29473-444#13343#13787
23M → 24M19293-274#13787#14061
24M → 40K27231-204#14061#14265
40K → 25.2M9144-135#14265#14400
25.2M → FINISH24182-158#14400#14558
TOTALS13402953-1613
📊

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

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing