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BOSTON MARATHON 2026

Zi Qiang Zhou

Bib: 29715•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 (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
25:59
3.11 mi
Rank: #19281
Start → 5K
25:59 | 8:22/mi
10K
51:54
6.21 mi
Rank: #19338 (-57)
5K → 10K
25:55 | 8:21/mi
15K
1:18:01
9.32 mi
Rank: #19412 (-74)
10K → 15K
26:07 | 8:25/mi
20K
1:44:34
12.43 mi
Rank: #19436 (-24)
15K → 20K
26:33 | 8:33/mi
HALF
1:50:23
13.11 mi
Rank: #19490 (-54)
20K → HALF
5:49 | 8:32/mi
25K
2:11:30
15.53 mi
Rank: #19519 (-29)
HALF → 25K
21:07 | 8:43/mi
30K
2:39:50
18.64 mi
Rank: #19645 (-126)
25K → 30K
28:20 | 9:08/mi
20M
2:52:49
20.00 mi
Rank: #19792 (-147)
30K → 20M
12:59 | 9:34/mi
21M
3:02:53
21.00 mi
Rank: #19863 (-71)
20M → 21M
10:04 | 10:04/mi
35K
3:09:31
21.75 mi
Rank: #19843 (+20)
21M → 35K
6:38 | 8:52/mi
23M
3:21:06
23.00 mi
Rank: #19836 (+7)
35K → 23M
11:35 | 9:16/mi
24M
3:30:14
24.00 mi
Rank: #19846 (-10)
23M → 24M
9:08 | 9:08/mi
40K
3:38:23
24.85 mi
Rank: #19897 (-51)
24M → 40K
8:09 | 9:32/mi
25.2M
3:42:15
25.20 mi
Rank: #19980 (-83)
40K → 25.2M
3:52 | 11:13/mi
FINISH
3:53:10
26.22 mi
Rank: #20299 (-319)
25.2M → FINISH
10:55 | 10:43/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:50:23
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time2:02:47
Pace9:22 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5725:598:2225:59
8:22
-
10K
6.21 mi12:15:5251:548:2225:55
8:21
-0:01
15K
9.32 mi12:41:591:18:018:2326:07
8:25
+0:04
20K
12.43 mi13:08:321:44:348:2526:33
8:33
+0:08
HALF
13.11 mi13:14:211:50:238:265:49
8:32
-0:01
25K
15.53 mi13:35:282:11:308:2821:07
8:43
+0:11
30K
18.64 mi14:03:482:39:508:3528:20
9:08
+0:25
20M
20.00 mi14:16:472:52:498:3912:59
9:34
+0:26
21M
21.00 mi14:26:513:02:538:4310:04
10:04
+0:30
35K
21.75 mi14:33:293:09:318:436:38
8:52
-1:12
23M
23.00 mi14:45:043:21:068:4511:35
9:16
+0:24
24M
24.00 mi14:54:123:30:148:469:08
9:08
-0:08
40K
24.85 mi15:02:213:38:238:488:09
9:32
+0:24
25.2M
25.20 mi15:06:133:42:158:503:52
11:13
+1:41
FINISH
26.22 mi15:17:083:53:108:5410:55
10:43
-0:30

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

8:21 /mi

Average Pace

8:54 /mi

Slowest Pace

11:13 /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

1:50:23

47% of race

Time at Steady Pace

1:24:57

36% of race

Time at Slower Pace

37:50

16% of race

Average Pace: 8:54 /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 mi11:49:5725:598:2225:59
8:22
#19281
10K
6.21 mi12:15:5251:548:2225:55
8:21
#19338
15K
9.32 mi12:41:591:18:018:2326:07
8:25
#19412
20K
12.43 mi13:08:321:44:348:2526:33
8:33
#19436
HALF
13.11 mi13:14:211:50:238:265:49
8:32
#19490
25K
15.53 mi13:35:282:11:308:2821:07
8:43
#19519
30K
18.64 mi14:03:482:39:508:3528:20
9:08
#19645
20M
20.00 mi14:16:472:52:498:3912:59
9:34
#19792
21M
21.00 mi14:26:513:02:538:4310:04
10:04
#19863
35K
21.75 mi14:33:293:09:318:436:38
8:52
#19843
23M
23.00 mi14:45:043:21:068:4511:35
9:16
#19836
24M
24.00 mi14:54:123:30:148:469:08
9:08
#19846
40K
24.85 mi15:02:213:38:238:488:09
9:32
#19897
25.2M
25.20 mi15:06:133:42:158:503:52
11:13
#19980
FINISH
26.22 mi15:17:083:53:108:5410:55
10:43
#20299
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 mi19281119611196119592(Top 68%)12143(Top 74%)12143(Top 650%)
10K6.21 mi3.10 mi19338-5712001-4012001-4019433(Top 67%)12075(Top 74%)12075(Top 646%)
15K9.32 mi3.11 mi19412-7412048-4712048-4719592(Top 68%)12143(Top 74%)12143(Top 650%)
20K12.43 mi3.11 mi19436-2412047+112047+119570(Top 67%)12090(Top 74%)12090(Top 647%)
HALF13.11 mi0.68 mi19490-5412076-2912076-2920407(Top 70%)12515(Top 77%)12515(Top 670%)
25K15.53 mi2.42 mi19519-2912073+312073+319755(Top 68%)12147(Top 74%)12147(Top 650%)
30K18.64 mi3.11 mi19645-12612100-2712100-2720156(Top 69%)12263(Top 75%)12263(Top 656%)
20M20.00 mi1.36 mi19792-14712146-4612146-4621268(Top 73%)12704(Top 78%)12704(Top 680%)
21M21.00 mi1.00 mi19863-7112164-1812164-1820635(Top 71%)12374(Top 76%)12374(Top 662%)
35K21.75 mi0.75 mi19843+2012148+1612148+1619451(Top 67%)11712(Top 72%)11712(Top 627%)
23M23.00 mi1.25 mi19836+712124+2412124+2419641(Top 68%)11766(Top 72%)11766(Top 630%)
24M24.00 mi1.00 mi19846-1012102+2212102+2220001(Top 69%)11874(Top 73%)11874(Top 636%)
40K24.85 mi0.85 mi19897-5112122-2012122-2020495(Top 71%)12090(Top 74%)12090(Top 647%)
25.2M25.20 mi0.35 mi19980-8312153-3112153-3122847(Top 79%)13231(Top 81%)13231(Top 708%)
FINISH26.22 mi1.02 mi20299-31912301-14812301-14825518(Top 88%)14522(Top 89%)14522(Top 777%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21
+97ft-345ft

Overall

19592

Males

12143

M50-54

12143

5K→10K

3.1 - 6.2 mi

Top 67%
×5
+79ft-138ft

Overall

19433

Males

12075

M50-54

12075

10K→15K

6.2 - 9.3 mi

Top 68%
×3
+67ft-78ft

Overall

19592

Males

12143

M50-54

12143

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19570

Males

12090

M50-54

12090

20K→HALF

12.4 - 13.1 mi

Top 70%
×2
+19ft-37ft

Overall

20407

Males

12515

M50-54

12515

HALF→25K

13.1 - 15.5 mi

Top 68%
×4
+66ft-88ft

Overall

19755

Males

12147

M50-54

12147

25K→30K

15.5 - 18.6 mi

Top 69%
×9
+181ft-148ft

Overall

20156

Males

12263

M50-54

12263

30K→20M

18.6 - 20.0 mi

Top 73%
×5
+64ft-50ft

Overall

21268

Males

12704

M50-54

12704

20M→21M

20.0 - 21.0 mi

Top 71%
×8
+106ft-24ft

Overall

20635

Males

12374

M50-54

12374

21M→35K

21.0 - 21.8 mi

Top 67%
×7
+17ft-86ft

Overall

19451

Males

11712

M50-54

11712

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19641

Males

11766

M50-54

11766

23M→24M

23.0 - 24.0 mi

Top 69%
×6
+12ft-82ft

Overall

20001

Males

11874

M50-54

11874

24M→40K

24.0 - 24.9 mi

Top 71%
×1
+6ft-20ft

Overall

20495

Males

12090

M50-54

12090

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1
+13ft-16ft

Overall

22847

Males

13231

M50-54

13231

25.2M→FINISH

25.2 - 26.2 mi

Top 88%
×2
+22ft-21ft

Overall

25518

Males

14522

M50-54

14522

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1157
Passed By
2175
Net Change
-1018
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19281
5K → 10K237294-57#19281#19338
10K → 15K146220-74#19338#19412
15K → 20K138162-24#19412#19436
20K → HALF1064-54#19436#19490
HALF → 25K108137-29#19490#19519
25K → 30K139265-126#19519#19645
30K → 20M51198-147#19645#19792
20M → 21M65136-71#19792#19863
21M → 35K6141+20#19863#19843
35K → 23M7972+7#19843#19836
23M → 24M7181-10#19836#19846
24M → 40K4091-51#19846#19897
40K → 25.2M689-83#19897#19980
25.2M → FINISH6325-319#19980#20299
TOTALS11572175-1018
📊

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