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BOSTON MARATHON 2026

Yong Zhou

Bib: 11302•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M45-49)
#0 / 2413
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
24:41
3.11 mi
Rank: #16519
Start → 5K
24:41 | 7:57/mi
10K
50:19
6.21 mi
Rank: #17757 (-1238)
5K → 10K
25:38 | 8:16/mi
15K
1:16:48
9.32 mi
Rank: #18634 (-877)
10K → 15K
26:29 | 8:32/mi
20K
1:46:43
12.43 mi
Rank: #20410 (-1776)
15K → 20K
29:55 | 9:38/mi
HALF
1:53:24
13.11 mi
Rank: #20790 (-380)
20K → HALF
6:41 | 9:49/mi
25K
2:17:04
15.53 mi
Rank: #21432 (-642)
HALF → 25K
23:40 | 9:46/mi
30K
2:48:28
18.64 mi
Rank: #21936 (-504)
25K → 30K
31:24 | 10:07/mi
20M
3:01:52
20.00 mi
Rank: #21955 (-19)
30K → 20M
13:24 | 9:52/mi
21M
3:13:32
21.00 mi
Rank: #22188 (-233)
20M → 21M
11:40 | 11:40/mi
35K
3:20:36
21.75 mi
Rank: #22181 (+7)
21M → 35K
7:04 | 9:27/mi
23M
3:33:33
23.00 mi
Rank: #22243 (-62)
35K → 23M
12:57 | 10:21/mi
24M
3:43:42
24.00 mi
Rank: #22308 (-65)
23M → 24M
10:09 | 10:09/mi
40K
3:52:23
24.85 mi
Rank: #22301 (+7)
24M → 40K
8:41 | 10:10/mi
25.2M
3:56:48
25.20 mi
Rank: #22382 (-81)
40K → 25.2M
4:25 | 12:49/mi
FINISH
4:06:29
26.22 mi
Rank: #22384 (-2)
25.2M → FINISH
9:41 | 9:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:24
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:13:05
Pace10:10 /mi
📊Positive Split: 17.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:09:1324:417:5724:41
7:57
-
10K
6.21 mi11:34:5150:198:0625:38
8:16
+0:19
15K
9.32 mi12:01:201:16:488:1526:29
8:32
+0:16
20K
12.43 mi12:31:151:46:438:3629:55
9:38
+1:06
HALF
13.11 mi12:37:561:53:248:406:41
9:49
+0:11
25K
15.53 mi13:01:362:17:048:5023:40
9:46
-0:03
30K
18.64 mi13:33:002:48:289:0331:24
10:07
+0:21
20M
20.00 mi13:46:243:01:529:0613:24
9:52
-0:15
21M
21.00 mi13:58:043:13:329:1311:40
11:40
+1:48
35K
21.75 mi14:05:083:20:369:147:04
9:27
-2:13
23M
23.00 mi14:18:053:33:339:1812:57
10:21
+0:54
24M
24.00 mi14:28:143:43:429:2010:09
10:09
-0:12
40K
24.85 mi14:36:553:52:239:218:41
10:10
+0:01
25.2M
25.20 mi14:41:203:56:489:244:25
12:49
+2:39
FINISH
26.22 mi14:51:014:06:299:259:41
9:31
-3:18

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

7:57 /mi

Average Pace

9:24 /mi

Slowest Pace

12:49 /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

1:16:48

31% of race

Time at Steady Pace

2:33:36

62% of race

Time at Slower Pace

16:05

7% of race

Average Pace: 9:24 /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 mi11:09:1324:417:5724:41
7:57
#16519
10K
6.21 mi11:34:5150:198:0625:38
8:16
#17757
15K
9.32 mi12:01:201:16:488:1526:29
8:32
#18634
20K
12.43 mi12:31:151:46:438:3629:55
9:38
#20410
HALF
13.11 mi12:37:561:53:248:406:41
9:49
#20790
25K
15.53 mi13:01:362:17:048:5023:40
9:46
#21432
30K
18.64 mi13:33:002:48:289:0331:24
10:07
#21936
20M
20.00 mi13:46:243:01:529:0613:24
9:52
#21955
21M
21.00 mi13:58:043:13:329:1311:40
11:40
#22188
35K
21.75 mi14:05:083:20:369:147:04
9:27
#22181
23M
23.00 mi14:18:053:33:339:1812:57
10:21
#22243
24M
24.00 mi14:28:143:43:429:2010:09
10:09
#22308
40K
24.85 mi14:36:553:52:239:218:41
10:10
#22301
25.2M
25.20 mi14:41:203:56:489:244:25
12:49
#22382
FINISH
26.22 mi14:51:014:06:299:259:41
9:31
#22384
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi16519108181081820295(Top 70%)12463(Top 76%)12463(Top 516%)
10K6.21 mi3.10 mi17757-123811339-52111339-52118870(Top 65%)11835(Top 72%)11835(Top 490%)
15K9.32 mi3.11 mi18634-87711717-37811717-37820295(Top 70%)12463(Top 76%)12463(Top 516%)
20K12.43 mi3.11 mi20410-177612484-76712484-76724112(Top 83%)14278(Top 87%)14278(Top 592%)
HALF13.11 mi0.68 mi20790-38012663-17912663-17925133(Top 87%)14740(Top 90%)14740(Top 611%)
25K15.53 mi2.42 mi21432-64212953-29012953-29023703(Top 82%)14044(Top 86%)14044(Top 582%)
30K18.64 mi3.11 mi21936-50413194-24113194-24123388(Top 81%)13794(Top 84%)13794(Top 572%)
20M20.00 mi1.36 mi21955-1913191+313191+322208(Top 77%)13168(Top 81%)13168(Top 546%)
21M21.00 mi1.00 mi22188-23313290-9913290-9924485(Top 84%)14153(Top 87%)14153(Top 587%)
35K21.75 mi0.75 mi22181+713277+1313277+1321579(Top 74%)12766(Top 78%)12766(Top 529%)
23M23.00 mi1.25 mi22243-6213288-1113288-1123001(Top 79%)13394(Top 82%)13394(Top 555%)
24M24.00 mi1.00 mi22308-6513306-1813306-1823203(Top 80%)13462(Top 82%)13462(Top 558%)
40K24.85 mi0.85 mi22301+713290+1613290+1622343(Top 77%)12990(Top 79%)12990(Top 538%)
25.2M25.20 mi0.35 mi22382-8113318-2813318-2825779(Top 89%)14666(Top 90%)14666(Top 608%)
FINISH26.22 mi1.02 mi22384-213304+1413304+1422351(Top 77%)13012(Top 80%)13012(Top 539%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21
+97ft-345ft

Overall

20295

Males

12463

M45-49

12463

5K→10K

3.1 - 6.2 mi

Top 65%
×5
+79ft-138ft

Overall

18870

Males

11835

M45-49

11835

10K→15K

6.2 - 9.3 mi

Top 70%
×3
+67ft-78ft

Overall

20295

Males

12463

M45-49

12463

15K→20K

9.3 - 12.4 mi

Top 83%
×5
+106ft-86ft

Overall

24112

Males

14278

M45-49

14278

20K→HALF

12.4 - 13.1 mi

Top 87%
×2
+19ft-37ft

Overall

25133

Males

14740

M45-49

14740

HALF→25K

13.1 - 15.5 mi

Top 82%
×4
+66ft-88ft

Overall

23703

Males

14044

M45-49

14044

25K→30K

15.5 - 18.6 mi

Top 81%
×9
+181ft-148ft

Overall

23388

Males

13794

M45-49

13794

30K→20M

18.6 - 20.0 mi

Top 77%
×5
+64ft-50ft

Overall

22208

Males

13168

M45-49

13168

20M→21M

20.0 - 21.0 mi

Top 84%
×8
+106ft-24ft

Overall

24485

Males

14153

M45-49

14153

21M→35K

21.0 - 21.8 mi

Top 74%
×7
+17ft-86ft

Overall

21579

Males

12766

M45-49

12766

35K→23M

21.8 - 23.0 mi

Top 79%
×5
+23ft-63ft

Overall

23001

Males

13394

M45-49

13394

23M→24M

23.0 - 24.0 mi

Top 80%
×6
+12ft-82ft

Overall

23203

Males

13462

M45-49

13462

24M→40K

24.0 - 24.9 mi

Top 77%
×1
+6ft-20ft

Overall

22343

Males

12990

M45-49

12990

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1
+13ft-16ft

Overall

25779

Males

14666

M45-49

14666

25.2M→FINISH

25.2 - 26.2 mi

Top 77%
×2
+22ft-21ft

Overall

22351

Males

13012

M45-49

13012

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
478
Passed By
1935
Net Change
-5865
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16519
5K → 10K30200-1238#16519#17757
10K → 15K25200-877#17757#18634
15K → 20K9200-1776#18634#20410
20K → HALF3200-380#20410#20790
HALF → 25K18200-642#20790#21432
25K → 30K51200-504#21432#21936
30K → 20M7594-19#21936#21955
20M → 21M22200-233#21955#22188
21M → 35K5649+7#22188#22181
35K → 23M61123-62#22181#22243
23M → 24M40105-65#22243#22308
24M → 40K4841+7#22308#22301
40K → 25.2M788-81#22301#22382
25.2M → FINISH3335-2#22382#22384
TOTALS4781935-5865
📊

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