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BOSTON MARATHON 2026

Quanlin Zhou

Bib: 23793•M

CA

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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 (M60-64)
#0 / 1514
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
26:09
3.11 mi
Rank: #19605
Start → 5K
26:09 | 8:26/mi
10K
52:33
6.21 mi
Rank: #19920 (-315)
5K → 10K
26:24 | 8:30/mi
15K
1:18:51
9.32 mi
Rank: #19909 (+11)
10K → 15K
26:18 | 8:28/mi
20K
1:46:00
12.43 mi
Rank: #20065 (-156)
15K → 20K
27:09 | 8:45/mi
HALF
1:51:46
13.11 mi
Rank: #20070 (-5)
20K → HALF
5:46 | 8:28/mi
25K
2:13:53
15.53 mi
Rank: #20380 (-310)
HALF → 25K
22:07 | 9:08/mi
30K
2:43:55
18.64 mi
Rank: #20808 (-428)
25K → 30K
30:02 | 9:41/mi
20M
2:56:44
20.00 mi
Rank: #20807 (+1)
30K → 20M
12:49 | 9:27/mi
21M
3:07:08
21.00 mi
Rank: #20847 (-40)
20M → 21M
10:24 | 10:24/mi
35K
3:14:00
21.75 mi
Rank: #20843 (+4)
21M → 35K
6:52 | 9:11/mi
23M
3:26:41
23.00 mi
Rank: #21019 (-176)
35K → 23M
12:41 | 10:09/mi
24M
3:35:59
24.00 mi
Rank: #21016 (+3)
23M → 24M
9:18 | 9:18/mi
40K
3:44:19
24.85 mi
Rank: #21043 (-27)
24M → 40K
8:20 | 9:45/mi
25.2M
3:48:05
25.20 mi
Rank: #21081 (-38)
40K → 25.2M
3:46 | 10:56/mi
FINISH
3:57:42
26.22 mi
Rank: #21127 (-46)
25.2M → FINISH
9:37 | 9:27/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:51:46
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time2:05:56
Pace9:37 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:3326:098:2626:09
8:26
-
10K
6.21 mi11:55:5752:338:2826:24
8:30
+0:04
15K
9.32 mi12:22:151:18:518:2826:18
8:28
-0:02
20K
12.43 mi12:49:241:46:008:3227:09
8:45
+0:17
HALF
13.11 mi12:55:101:51:468:325:46
8:28
-0:17
25K
15.53 mi13:17:172:13:538:3822:07
9:08
+0:40
30K
18.64 mi13:47:192:43:558:4830:02
9:41
+0:33
20M
20.00 mi14:00:082:56:448:5112:49
9:27
-0:14
21M
21.00 mi14:10:323:07:088:5510:24
10:24
+0:57
35K
21.75 mi14:17:243:14:008:566:52
9:11
-1:13
23M
23.00 mi14:30:053:26:419:0012:41
10:09
+0:58
24M
24.00 mi14:39:233:35:599:009:18
9:18
-0:51
40K
24.85 mi14:47:433:44:199:028:20
9:45
+0:27
25.2M
25.20 mi14:51:293:48:059:043:46
10:56
+1:11
FINISH
26.22 mi15:01:063:57:429:059:37
9:27
-1:29

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

8:26 /mi

Average Pace

9:04 /mi

Slowest Pace

10:56 /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

1:51:46

47% of race

Time at Steady Pace

1:00:43

26% of race

Time at Slower Pace

1:05:13

27% of race

Average Pace: 9:04 /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 mi11:29:3326:098:2626:09
8:26
#19605
10K
6.21 mi11:55:5752:338:2826:24
8:30
#19920
15K
9.32 mi12:22:151:18:518:2826:18
8:28
#19909
20K
12.43 mi12:49:241:46:008:3227:09
8:45
#20065
HALF
13.11 mi12:55:101:51:468:325:46
8:28
#20070
25K
15.53 mi13:17:172:13:538:3822:07
9:08
#20380
30K
18.64 mi13:47:192:43:558:4830:02
9:41
#20808
20M
20.00 mi14:00:082:56:448:5112:49
9:27
#20807
21M
21.00 mi14:10:323:07:088:5510:24
10:24
#20847
35K
21.75 mi14:17:243:14:008:566:52
9:11
#20843
23M
23.00 mi14:30:053:26:419:0012:41
10:09
#21019
24M
24.00 mi14:39:233:35:599:009:18
9:18
#21016
40K
24.85 mi14:47:433:44:199:028:20
9:45
#21043
25.2M
25.20 mi14:51:293:48:059:043:46
10:56
#21081
FINISH
26.22 mi15:01:063:57:429:059:37
9:27
#21127
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19605121031210319939(Top 69%)12310(Top 75%)12310(Top 813%)
10K6.21 mi3.10 mi19920-31512263-16012263-16020324(Top 70%)12473(Top 76%)12473(Top 824%)
15K9.32 mi3.11 mi19909+1112270-712270-719939(Top 69%)12310(Top 75%)12310(Top 813%)
20K12.43 mi3.11 mi20065-15612317-4712317-4720649(Top 71%)12595(Top 77%)12595(Top 832%)
HALF13.11 mi0.68 mi20070-512316+112316+120004(Top 69%)12345(Top 76%)12345(Top 815%)
25K15.53 mi2.42 mi20380-31012466-15012466-15021688(Top 75%)13078(Top 80%)13078(Top 864%)
30K18.64 mi3.11 mi20808-42812638-17212638-17222151(Top 76%)13223(Top 81%)13223(Top 873%)
20M20.00 mi1.36 mi20807+112630+812630+820819(Top 72%)12484(Top 76%)12484(Top 825%)
21M21.00 mi1.00 mi20847-4012637-712637-721668(Top 75%)12865(Top 79%)12865(Top 850%)
35K21.75 mi0.75 mi20843+412633+412633+420712(Top 71%)12342(Top 76%)12342(Top 815%)
23M23.00 mi1.25 mi21019-17612716-8312716-8322491(Top 77%)13161(Top 81%)13161(Top 869%)
24M24.00 mi1.00 mi21016+312703+1312703+1320629(Top 71%)12195(Top 75%)12195(Top 805%)
40K24.85 mi0.85 mi21043-2712695+812695+821177(Top 73%)12422(Top 76%)12422(Top 820%)
25.2M25.20 mi0.35 mi21081-3812707-1212707-1222155(Top 76%)12904(Top 79%)12904(Top 852%)
FINISH26.22 mi1.02 mi21127-4612719-1212719-1222134(Top 76%)12914(Top 79%)12914(Top 853%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21
+97ft-345ft

Overall

19939

Males

12310

M60-64

12310

5K→10K

3.1 - 6.2 mi

Top 70%
×5
+79ft-138ft

Overall

20324

Males

12473

M60-64

12473

10K→15K

6.2 - 9.3 mi

Top 69%
×3
+67ft-78ft

Overall

19939

Males

12310

M60-64

12310

15K→20K

9.3 - 12.4 mi

Top 71%
×5
+106ft-86ft

Overall

20649

Males

12595

M60-64

12595

20K→HALF

12.4 - 13.1 mi

Top 69%
×2
+19ft-37ft

Overall

20004

Males

12345

M60-64

12345

HALF→25K

13.1 - 15.5 mi

Top 75%
×4
+66ft-88ft

Overall

21688

Males

13078

M60-64

13078

25K→30K

15.5 - 18.6 mi

Top 76%
×9
+181ft-148ft

Overall

22151

Males

13223

M60-64

13223

30K→20M

18.6 - 20.0 mi

Top 72%
×5
+64ft-50ft

Overall

20819

Males

12484

M60-64

12484

20M→21M

20.0 - 21.0 mi

Top 75%
×8
+106ft-24ft

Overall

21668

Males

12865

M60-64

12865

21M→35K

21.0 - 21.8 mi

Top 71%
×7
+17ft-86ft

Overall

20712

Males

12342

M60-64

12342

35K→23M

21.8 - 23.0 mi

Top 77%
×5
+23ft-63ft

Overall

22491

Males

13161

M60-64

13161

23M→24M

23.0 - 24.0 mi

Top 71%
×6
+12ft-82ft

Overall

20629

Males

12195

M60-64

12195

24M→40K

24.0 - 24.9 mi

Top 73%
×1
+6ft-20ft

Overall

21177

Males

12422

M60-64

12422

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1
+13ft-16ft

Overall

22155

Males

12904

M60-64

12904

25.2M→FINISH

25.2 - 26.2 mi

Top 76%
×2
+22ft-21ft

Overall

22134

Males

12914

M60-64

12914

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
976
Passed By
1686
Net Change
-1522
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19605
5K → 10K146200-315#19605#19920
10K → 15K179168+11#19920#19909
15K → 20K108200-156#19909#20065
20K → HALF2328-5#20065#20070
HALF → 25K56200-310#20070#20380
25K → 30K80200-428#20380#20808
30K → 20M7776+1#20808#20807
20M → 21M5999-40#20807#20847
21M → 35K5551+4#20847#20843
35K → 23M37200-176#20843#21019
23M → 24M5653+3#21019#21016
24M → 40K4976-27#21016#21043
40K → 25.2M1553-38#21043#21081
25.2M → FINISH3682-46#21081#21127
TOTALS9761686-1522
📊

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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing