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BOSTON MARATHON 2026

Jun Zhang

Bib: 8343•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 15%
Gender (Male)
#0 / 16340
Top 25%
Masters (Masters Men)
#0 / 10617
Top 11%
Age Group (M45-49)
#0 / 2413
Top 13%
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
20:32
3.11 mi
Rank: #5061
Start → 5K
20:32 | 6:37/mi
10K
41:27
6.21 mi
Rank: #5599 (-538)
5K → 10K
20:55 | 6:44/mi
15K
1:01:42
9.32 mi
Rank: #5118 (+481)
10K → 15K
20:15 | 6:32/mi
20K
1:22:06
12.43 mi
Rank: #4838 (+280)
15K → 20K
20:24 | 6:34/mi
HALF
1:26:31
13.11 mi
Rank: #4800 (+38)
20K → HALF
4:25 | 6:29/mi
25K
1:42:52
15.53 mi
Rank: #4831 (-31)
HALF → 25K
16:21 | 6:45/mi
30K
2:04:15
18.64 mi
Rank: #4806 (+25)
25K → 30K
21:23 | 6:53/mi
20M
2:13:31
20.00 mi
Rank: #4746 (+60)
30K → 20M
9:16 | 6:50/mi
21M
2:20:43
21.00 mi
Rank: #4697 (+49)
20M → 21M
7:12 | 7:12/mi
35K
2:25:34
21.75 mi
Rank: #4638 (+59)
21M → 35K
4:51 | 6:29/mi
23M
2:33:59
23.00 mi
Rank: #4513 (+125)
35K → 23M
8:25 | 6:44/mi
24M
2:40:38
24.00 mi
Rank: #4475 (+38)
23M → 24M
6:39 | 6:39/mi
40K
2:46:28
24.85 mi
Rank: #4442 (+33)
24M → 40K
5:50 | 6:50/mi
25.2M
2:49:01
25.20 mi
Rank: #4428 (+14)
40K → 25.2M
2:33 | 7:24/mi
FINISH
2:55:43
26.22 mi
Rank: #4401 (+27)
25.2M → FINISH
6:42 | 6:35/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:26:31
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:29:12
Pace6:49 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:35:4020:326:3720:32
6:37
-
10K
6.21 mi10:56:3541:276:4120:55
6:44
+0:07
15K
9.32 mi11:16:501:01:426:3820:15
6:32
-0:12
20K
12.43 mi11:37:141:22:066:3720:24
6:34
+0:02
HALF
13.11 mi11:41:391:26:316:364:25
6:29
-0:05
25K
15.53 mi11:58:001:42:526:3816:21
6:45
+0:16
30K
18.64 mi12:19:232:04:156:4021:23
6:53
+0:08
20M
20.00 mi12:28:392:13:316:419:16
6:50
-0:03
21M
21.00 mi12:35:512:20:436:437:12
7:12
+0:22
35K
21.75 mi12:40:422:25:346:424:51
6:29
-0:43
23M
23.00 mi12:49:072:33:596:428:25
6:44
+0:15
24M
24.00 mi12:55:462:40:386:426:39
6:39
-0:05
40K
24.85 mi13:01:362:46:286:425:50
6:50
+0:11
25.2M
25.20 mi13:04:092:49:016:432:33
7:24
+0:34
FINISH
26.22 mi13:10:512:55:436:436:42
6:35
-0:49

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

6:29 /mi

Average Pace

6:42 /mi

Slowest Pace

7:24 /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

2:45:58

94% of race

Time at Steady Pace

9:45

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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 mi10:35:4020:326:3720:32
6:37
#5061
10K
6.21 mi10:56:3541:276:4120:55
6:44
#5599
15K
9.32 mi11:16:501:01:426:3820:15
6:32
#5118
20K
12.43 mi11:37:141:22:066:3720:24
6:34
#4838
HALF
13.11 mi11:41:391:26:316:364:25
6:29
#4800
25K
15.53 mi11:58:001:42:526:3816:21
6:45
#4831
30K
18.64 mi12:19:232:04:156:4021:23
6:53
#4806
20M
20.00 mi12:28:392:13:316:419:16
6:50
#4746
21M
21.00 mi12:35:512:20:436:437:12
7:12
#4697
35K
21.75 mi12:40:422:25:346:424:51
6:29
#4638
23M
23.00 mi12:49:072:33:596:428:25
6:44
#4513
24M
24.00 mi12:55:462:40:386:426:39
6:39
#4475
40K
24.85 mi13:01:362:46:286:425:50
6:50
#4442
25.2M
25.20 mi13:04:092:49:016:432:33
7:24
#4428
FINISH
26.22 mi13:10:512:55:436:436:42
6:35
#4401
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 mi5061471947194346(Top 15%)4102(Top 25%)4102(Top 170%)
10K6.21 mi3.10 mi5599-5385163-4445163-4446277(Top 22%)5668(Top 35%)5668(Top 235%)
15K9.32 mi3.11 mi5118+4814770+3934770+3934346(Top 15%)4102(Top 25%)4102(Top 170%)
20K12.43 mi3.11 mi4838+2804526+2444526+2444205(Top 14%)3970(Top 24%)3970(Top 165%)
HALF13.11 mi0.68 mi4800+384497+294497+294260(Top 15%)4027(Top 25%)4027(Top 167%)
25K15.53 mi2.42 mi4831-314519-224519-225228(Top 18%)4772(Top 29%)4772(Top 198%)
30K18.64 mi3.11 mi4806+254481+384481+385012(Top 17%)4533(Top 28%)4533(Top 188%)
20M20.00 mi1.36 mi4746+604425+564425+564301(Top 15%)3915(Top 24%)3915(Top 162%)
21M21.00 mi1.00 mi4697+494368+574368+574608(Top 16%)4095(Top 25%)4095(Top 170%)
35K21.75 mi0.75 mi4638+594314+544314+543503(Top 12%)3232(Top 20%)3232(Top 134%)
23M23.00 mi1.25 mi4513+1254193+1214193+1213628(Top 13%)3302(Top 20%)3302(Top 137%)
24M24.00 mi1.00 mi4475+384147+464147+464070(Top 14%)3620(Top 22%)3620(Top 150%)
40K24.85 mi0.85 mi4442+334108+394108+394339(Top 15%)3780(Top 23%)3780(Top 157%)
25.2M25.20 mi0.35 mi4428+144094+144094+144567(Top 16%)3895(Top 24%)3895(Top 161%)
FINISH26.22 mi1.02 mi4401+274064+304064+304605(Top 16%)3909(Top 24%)3909(Top 162%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21
+97ft-345ft

Overall

4346

Males

4102

M45-49

4102

5K→10K

3.1 - 6.2 mi

Top 22%
×5
+79ft-138ft

Overall

6277

Males

5668

M45-49

5668

10K→15K

6.2 - 9.3 mi

Top 15%
×3
+67ft-78ft

Overall

4346

Males

4102

M45-49

4102

15K→20K

9.3 - 12.4 mi

Top 14%
×5
+106ft-86ft

Overall

4205

Males

3970

M45-49

3970

20K→HALF

12.4 - 13.1 mi

Top 15%
×2
+19ft-37ft

Overall

4260

Males

4027

M45-49

4027

HALF→25K

13.1 - 15.5 mi

Top 18%
×4
+66ft-88ft

Overall

5228

Males

4772

M45-49

4772

25K→30K

15.5 - 18.6 mi

Top 17%
×9
+181ft-148ft

Overall

5012

Males

4533

M45-49

4533

30K→20M

18.6 - 20.0 mi

Top 15%
×5
+64ft-50ft

Overall

4301

Males

3915

M45-49

3915

20M→21M

20.0 - 21.0 mi

Top 16%
×8
+106ft-24ft

Overall

4608

Males

4095

M45-49

4095

21M→35K

21.0 - 21.8 mi

Top 12%
×7
+17ft-86ft

Overall

3503

Males

3232

M45-49

3232

35K→23M

21.8 - 23.0 mi

Top 13%
×5
+23ft-63ft

Overall

3628

Males

3302

M45-49

3302

23M→24M

23.0 - 24.0 mi

Top 14%
×6
+12ft-82ft

Overall

4070

Males

3620

M45-49

3620

24M→40K

24.0 - 24.9 mi

Top 15%
×1
+6ft-20ft

Overall

4339

Males

3780

M45-49

3780

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1
+13ft-16ft

Overall

4567

Males

3895

M45-49

3895

25.2M→FINISH

25.2 - 26.2 mi

Top 16%
×2
+22ft-21ft

Overall

4605

Males

3909

M45-49

3909

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1671
Passed By
1011
Net Change
+660
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5061
5K → 10K52590-538#5061#5599
10K → 15K49211+481#5599#5118
15K → 20K2888+280#5118#4838
20K → HALF435+38#4838#4800
HALF → 25K5990-31#4800#4831
25K → 30K133108+25#4831#4806
30K → 20M7818+60#4806#4746
20M → 21M8637+49#4746#4697
21M → 35K678+59#4697#4638
35K → 23M14318+125#4638#4513
23M → 24M7638+38#4513#4475
24M → 40K6027+33#4475#4442
40K → 25.2M2410+14#4442#4428
25.2M → FINISH7043+27#4428#4401
TOTALS16711011+660
📊

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