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BOSTON MARATHON 2026

Jiabo Lan

Bib: 32893•M

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0:00
/ mi
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Overall
#0 / 29021
Top 49%
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
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
23:56
3.11 mi
Rank: #14575
Start → 5K
23:56 | 7:43/mi
10K
48:01
6.21 mi
Rank: #14856 (-281)
5K → 10K
24:05 | 7:46/mi
15K
1:12:14
9.32 mi
Rank: #14978 (-122)
10K → 15K
24:13 | 7:48/mi
20K
1:36:29
12.43 mi
Rank: #14853 (+125)
15K → 20K
24:15 | 7:49/mi
HALF
1:41:44
13.11 mi
Rank: #14836 (+17)
20K → HALF
5:15 | 7:43/mi
25K
2:00:52
15.53 mi
Rank: #14764 (+72)
HALF → 25K
19:08 | 7:54/mi
30K
2:26:06
18.64 mi
Rank: #14666 (+98)
25K → 30K
25:14 | 8:08/mi
20M
2:37:06
20.00 mi
Rank: #14555 (+111)
30K → 20M
11:00 | 8:06/mi
21M
2:45:34
21.00 mi
Rank: #14404 (+151)
20M → 21M
8:28 | 8:28/mi
35K
2:51:32
21.75 mi
Rank: #14385 (+19)
21M → 35K
5:58 | 7:59/mi
23M
3:01:55
23.00 mi
Rank: #14378 (+7)
35K → 23M
10:23 | 8:18/mi
24M
3:09:59
24.00 mi
Rank: #14368 (+10)
23M → 24M
8:04 | 8:04/mi
40K
3:17:04
24.85 mi
Rank: #14380 (-12)
24M → 40K
7:05 | 8:18/mi
25.2M
3:20:05
25.20 mi
Rank: #14355 (+25)
40K → 25.2M
3:01 | 8:45/mi
FINISH
3:28:05
26.22 mi
Rank: #14349 (+6)
25.2M → FINISH
8:00 | 7:52/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:44
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:46:21
Pace8:07 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3523:567:4323:56
7:43
-
10K
6.21 mi12:17:4048:017:4424:05
7:46
+0:03
15K
9.32 mi12:41:531:12:147:4524:13
7:48
+0:02
20K
12.43 mi13:06:081:36:297:4624:15
7:49
+0:01
HALF
13.11 mi13:11:231:41:447:465:15
7:43
-0:06
25K
15.53 mi13:30:312:00:527:4719:08
7:54
+0:11
30K
18.64 mi13:55:452:26:067:5125:14
8:08
+0:14
20M
20.00 mi14:06:452:37:067:5211:00
8:06
-0:02
21M
21.00 mi14:15:132:45:347:548:28
8:28
+0:22
35K
21.75 mi14:21:112:51:327:545:58
7:59
-0:29
23M
23.00 mi14:31:343:01:557:5510:23
8:18
+0:19
24M
24.00 mi14:39:383:09:597:558:04
8:04
-0:14
40K
24.85 mi14:46:433:17:047:567:05
8:18
+0:14
25.2M
25.20 mi14:49:443:20:057:573:01
8:45
+0:27
FINISH
26.22 mi14:57:443:28:057:578:00
7:52
-0:53

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

7:43 /mi

Average Pace

7:57 /mi

Slowest Pace

8:45 /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

3:25:04

99% of race

Time at Steady Pace

3:01

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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 mi11:53:3523:567:4323:56
7:43
#14575
10K
6.21 mi12:17:4048:017:4424:05
7:46
#14856
15K
9.32 mi12:41:531:12:147:4524:13
7:48
#14978
20K
12.43 mi13:06:081:36:297:4624:15
7:49
#14853
HALF
13.11 mi13:11:231:41:447:465:15
7:43
#14836
25K
15.53 mi13:30:312:00:527:4719:08
7:54
#14764
30K
18.64 mi13:55:452:26:067:5125:14
8:08
#14666
20M
20.00 mi14:06:452:37:067:5211:00
8:06
#14555
21M
21.00 mi14:15:132:45:347:548:28
8:28
#14404
35K
21.75 mi14:21:112:51:327:545:58
7:59
#14385
23M
23.00 mi14:31:343:01:557:5510:23
8:18
#14378
24M
24.00 mi14:39:383:09:597:558:04
8:04
#14368
40K
24.85 mi14:46:433:17:047:567:05
8:18
#14380
25.2M
25.20 mi14:49:443:20:057:573:01
8:45
#14355
FINISH
26.22 mi14:57:443:28:057:578:00
7:52
#14349
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi14575101011010115286(Top 53%)10301(Top 63%)10301(Top 180%)
10K6.21 mi3.10 mi14856-28110174-7310174-7315172(Top 52%)10292(Top 63%)10292(Top 180%)
15K9.32 mi3.11 mi14978-12210198-2410198-2415286(Top 53%)10301(Top 63%)10301(Top 180%)
20K12.43 mi3.11 mi14853+12510135+6310135+6314553(Top 50%)9960(Top 61%)9960(Top 174%)
HALF13.11 mi0.68 mi14836+1710127+810127+814700(Top 51%)10089(Top 62%)10089(Top 176%)
25K15.53 mi2.42 mi14764+7210089+3810089+3814506(Top 50%)9874(Top 60%)9874(Top 173%)
30K18.64 mi3.11 mi14666+9810016+7310016+7314352(Top 49%)9697(Top 59%)9697(Top 169%)
20M20.00 mi1.36 mi14555+1119947+699947+6913504(Top 47%)9231(Top 56%)9231(Top 161%)
21M21.00 mi1.00 mi14404+1519873+749873+7412892(Top 44%)8856(Top 54%)8856(Top 155%)
35K21.75 mi0.75 mi14385+199845+289845+2814279(Top 49%)9445(Top 58%)9445(Top 165%)
23M23.00 mi1.25 mi14378+79803+429803+4214419(Top 50%)9421(Top 58%)9421(Top 165%)
24M24.00 mi1.00 mi14368+109770+339770+3314178(Top 49%)9232(Top 56%)9232(Top 161%)
40K24.85 mi0.85 mi14380-129758+129758+1214332(Top 49%)9206(Top 56%)9206(Top 161%)
25.2M25.20 mi0.35 mi14355+259729+299729+2913165(Top 45%)8673(Top 53%)8673(Top 152%)
FINISH26.22 mi1.02 mi14349+69713+169713+1614119(Top 49%)9101(Top 56%)9101(Top 159%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21
+97ft-345ft

Overall

15286

Males

10301

M18-39

10301

5K→10K

3.1 - 6.2 mi

Top 52%
×5
+79ft-138ft

Overall

15172

Males

10292

M18-39

10292

10K→15K

6.2 - 9.3 mi

Top 53%
×3
+67ft-78ft

Overall

15286

Males

10301

M18-39

10301

15K→20K

9.3 - 12.4 mi

Top 50%
×5
+106ft-86ft

Overall

14553

Males

9960

M18-39

9960

20K→HALF

12.4 - 13.1 mi

Top 51%
×2
+19ft-37ft

Overall

14700

Males

10089

M18-39

10089

HALF→25K

13.1 - 15.5 mi

Top 50%
×4
+66ft-88ft

Overall

14506

Males

9874

M18-39

9874

25K→30K

15.5 - 18.6 mi

Top 49%
×9
+181ft-148ft

Overall

14352

Males

9697

M18-39

9697

30K→20M

18.6 - 20.0 mi

Top 47%
×5
+64ft-50ft

Overall

13504

Males

9231

M18-39

9231

20M→21M

20.0 - 21.0 mi

Top 44%
×8
+106ft-24ft

Overall

12892

Males

8856

M18-39

8856

21M→35K

21.0 - 21.8 mi

Top 49%
×7
+17ft-86ft

Overall

14279

Males

9445

M18-39

9445

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14419

Males

9421

M18-39

9421

23M→24M

23.0 - 24.0 mi

Top 49%
×6
+12ft-82ft

Overall

14178

Males

9232

M18-39

9232

24M→40K

24.0 - 24.9 mi

Top 49%
×1
+6ft-20ft

Overall

14332

Males

9206

M18-39

9206

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1
+13ft-16ft

Overall

13165

Males

8673

M18-39

8673

25.2M→FINISH

25.2 - 26.2 mi

Top 49%
×2
+22ft-21ft

Overall

14119

Males

9101

M18-39

9101

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1784*
Passed By
1210
Net Change
+226
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14575
5K → 10K185200-281#14575#14856
10K → 15K160200-122#14856#14978
15K → 20K240*115+125#14978#14853
20K → HALF4023+17#14853#14836
HALF → 25K173101+72#14836#14764
25K → 30K237*139+98#14764#14666
30K → 20M14736+111#14666#14555
20M → 21M17625+151#14555#14404
21M → 35K6445+19#14404#14385
35K → 23M9790+7#14385#14378
23M → 24M7868+10#14378#14368
24M → 40K7082-12#14368#14380
40K → 25.2M4217+25#14380#14355
25.2M → FINISH7569+6#14355#14349
TOTALS1784*1210+226

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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