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BOSTON MARATHON 2026

Liangtao Zhu

Bib: 8818•M

TX

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 16%
Gender (Male)
#0 / 16340
Top 27%
Masters (Masters Men)
#0 / 10617
Top 12%
Age Group (M50-54)
#0 / 1868
Top 8%
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
20:02
3.11 mi
Rank: #3806
Start → 5K
20:02 | 6:27/mi
10K
40:15
6.21 mi
Rank: #4012 (-206)
5K → 10K
20:13 | 6:31/mi
15K
1:00:51
9.32 mi
Rank: #4407 (-395)
10K → 15K
20:36 | 6:38/mi
20K
1:21:38
12.43 mi
Rank: #4554 (-147)
15K → 20K
20:47 | 6:42/mi
HALF
1:26:06
13.11 mi
Rank: #4561 (-7)
20K → HALF
4:28 | 6:34/mi
25K
1:42:27
15.53 mi
Rank: #4622 (-61)
HALF → 25K
16:21 | 6:45/mi
30K
2:03:52
18.64 mi
Rank: #4651 (-29)
25K → 30K
21:25 | 6:54/mi
20M
2:13:13
20.00 mi
Rank: #4632 (+19)
30K → 20M
9:21 | 6:54/mi
21M
2:20:39
21.00 mi
Rank: #4672 (-40)
20M → 21M
7:26 | 7:26/mi
35K
2:25:38
21.75 mi
Rank: #4658 (+14)
21M → 35K
4:59 | 6:40/mi
23M
2:34:25
23.00 mi
Rank: #4669 (-11)
35K → 23M
8:47 | 7:02/mi
24M
2:41:20
24.00 mi
Rank: #4700 (-31)
23M → 24M
6:55 | 6:55/mi
40K
2:47:21
24.85 mi
Rank: #4725 (-25)
24M → 40K
6:01 | 7:03/mi
25.2M
2:49:59
25.20 mi
Rank: #4732 (-7)
40K → 25.2M
2:38 | 7:39/mi
FINISH
2:57:01
26.22 mi
Rank: #4785 (-53)
25.2M → FINISH
7:02 | 6:55/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:26:06
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:30:55
Pace6:57 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:35:2220:026:2720:02
6:27
-
10K
6.21 mi10:55:3540:156:2920:13
6:31
+0:04
15K
9.32 mi11:16:111:00:516:3220:36
6:38
+0:07
20K
12.43 mi11:36:581:21:386:3520:47
6:42
+0:04
HALF
13.11 mi11:41:261:26:066:354:28
6:34
-0:08
25K
15.53 mi11:57:471:42:276:3616:21
6:45
+0:11
30K
18.64 mi12:19:122:03:526:3921:25
6:54
+0:09
20M
20.00 mi12:28:332:13:136:409:21
6:54
0:00
21M
21.00 mi12:35:592:20:396:427:26
7:26
+0:32
35K
21.75 mi12:40:582:25:386:424:59
6:40
-0:46
23M
23.00 mi12:49:452:34:256:438:47
7:02
+0:22
24M
24.00 mi12:56:402:41:206:446:55
6:55
-0:07
40K
24.85 mi13:02:412:47:216:446:01
7:03
+0:08
25.2M
25.20 mi13:05:192:49:596:452:38
7:39
+0:36
FINISH
26.22 mi13:12:212:57:016:467:02
6:55
-0:44

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

6:27 /mi

Average Pace

6:45 /mi

Slowest Pace

7:39 /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

2:46:57

94% of race

Time at Steady Pace

7:26

4% of race

Time at Slower Pace

2:38

1% of race

Average Pace: 6:45 /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 mi10:35:2220:026:2720:02
6:27
#3806
10K
6.21 mi10:55:3540:156:2920:13
6:31
#4012
15K
9.32 mi11:16:111:00:516:3220:36
6:38
#4407
20K
12.43 mi11:36:581:21:386:3520:47
6:42
#4554
HALF
13.11 mi11:41:261:26:066:354:28
6:34
#4561
25K
15.53 mi11:57:471:42:276:3616:21
6:45
#4622
30K
18.64 mi12:19:122:03:526:3921:25
6:54
#4651
20M
20.00 mi12:28:332:13:136:409:21
6:54
#4632
21M
21.00 mi12:35:592:20:396:427:26
7:26
#4672
35K
21.75 mi12:40:582:25:386:424:59
6:40
#4658
23M
23.00 mi12:49:452:34:256:438:47
7:02
#4669
24M
24.00 mi12:56:402:41:206:446:55
6:55
#4700
40K
24.85 mi13:02:412:47:216:446:01
7:03
#4725
25.2M
25.20 mi13:05:192:49:596:452:38
7:39
#4732
FINISH
26.22 mi13:12:212:57:016:467:02
6:55
#4785
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 mi3806362036205156(Top 18%)4787(Top 29%)4787(Top 256%)
10K6.21 mi3.10 mi4012-2063809-1893809-1894279(Top 15%)4050(Top 25%)4050(Top 217%)
15K9.32 mi3.11 mi4407-3954166-3574166-3575156(Top 18%)4787(Top 29%)4787(Top 256%)
20K12.43 mi3.11 mi4554-1474278-1124278-1125107(Top 18%)4721(Top 29%)4721(Top 253%)
HALF13.11 mi0.68 mi4561-74283-54283-54823(Top 17%)4495(Top 28%)4495(Top 241%)
25K15.53 mi2.42 mi4622-614337-544337-545236(Top 18%)4780(Top 29%)4780(Top 256%)
30K18.64 mi3.11 mi4651-294355-184355-185095(Top 18%)4603(Top 28%)4603(Top 246%)
20M20.00 mi1.36 mi4632+194324+314324+314722(Top 16%)4256(Top 26%)4256(Top 228%)
21M21.00 mi1.00 mi4672-404346-224346-226032(Top 21%)5126(Top 31%)5126(Top 274%)
35K21.75 mi0.75 mi4658+144331+154331+154649(Top 16%)4143(Top 25%)4143(Top 222%)
23M23.00 mi1.25 mi4669-114326+54326+55552(Top 19%)4786(Top 29%)4786(Top 256%)
24M24.00 mi1.00 mi4700-314345-194345-195884(Top 20%)4940(Top 30%)4940(Top 264%)
40K24.85 mi0.85 mi4725-254353-84353-85676(Top 20%)4755(Top 29%)4755(Top 255%)
25.2M25.20 mi0.35 mi4732-74354-14354-15940(Top 20%)4859(Top 30%)4859(Top 260%)
FINISH26.22 mi1.02 mi4785-534381-274381-276776(Top 23%)5358(Top 33%)5358(Top 287%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21
+97ft-345ft

Overall

5156

Males

4787

M50-54

4787

5K→10K

3.1 - 6.2 mi

Top 15%
×5
+79ft-138ft

Overall

4279

Males

4050

M50-54

4050

10K→15K

6.2 - 9.3 mi

Top 18%
×3
+67ft-78ft

Overall

5156

Males

4787

M50-54

4787

15K→20K

9.3 - 12.4 mi

Top 18%
×5
+106ft-86ft

Overall

5107

Males

4721

M50-54

4721

20K→HALF

12.4 - 13.1 mi

Top 17%
×2
+19ft-37ft

Overall

4823

Males

4495

M50-54

4495

HALF→25K

13.1 - 15.5 mi

Top 18%
×4
+66ft-88ft

Overall

5236

Males

4780

M50-54

4780

25K→30K

15.5 - 18.6 mi

Top 18%
×9
+181ft-148ft

Overall

5095

Males

4603

M50-54

4603

30K→20M

18.6 - 20.0 mi

Top 16%
×5
+64ft-50ft

Overall

4722

Males

4256

M50-54

4256

20M→21M

20.0 - 21.0 mi

Top 21%
×8
+106ft-24ft

Overall

6032

Males

5126

M50-54

5126

21M→35K

21.0 - 21.8 mi

Top 16%
×7
+17ft-86ft

Overall

4649

Males

4143

M50-54

4143

35K→23M

21.8 - 23.0 mi

Top 19%
×5
+23ft-63ft

Overall

5552

Males

4786

M50-54

4786

23M→24M

23.0 - 24.0 mi

Top 20%
×6
+12ft-82ft

Overall

5884

Males

4940

M50-54

4940

24M→40K

24.0 - 24.9 mi

Top 20%
×1
+6ft-20ft

Overall

5676

Males

4755

M50-54

4755

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1
+13ft-16ft

Overall

5940

Males

4859

M50-54

4859

25.2M→FINISH

25.2 - 26.2 mi

Top 23%
×2
+22ft-21ft

Overall

6776

Males

5358

M50-54

5358

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
696
Passed By
1382
Net Change
-979
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3806
5K → 10K71200-206#3806#4012
10K → 15K21200-395#4012#4407
15K → 20K53200-147#4407#4554
20K → HALF1825-7#4554#4561
HALF → 25K60121-61#4561#4622
25K → 30K102131-29#4622#4651
30K → 20M7152+19#4651#4632
20M → 21M5090-40#4632#4672
21M → 35K3521+14#4672#4658
35K → 23M7687-11#4658#4669
23M → 24M4273-31#4669#4700
24M → 40K4671-25#4700#4725
40K → 25.2M1623-7#4725#4732
25.2M → FINISH3588-53#4732#4785
TOTALS6961382-979
📊

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