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BOSTON MARATHON 2026

Jian Hui Lee

Bib: 12226•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 (M45-49)
#0 / 2413
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
22:34
3.11 mi
Rank: #10721
Start → 5K
22:34 | 7:16/mi
10K
46:06
6.21 mi
Rank: #12141 (-1420)
5K → 10K
23:32 | 7:35/mi
15K
1:10:47
9.32 mi
Rank: #13626 (-1485)
10K → 15K
24:41 | 7:57/mi
20K
1:39:09
12.43 mi
Rank: #16633 (-3007)
15K → 20K
28:22 | 9:08/mi
HALF
1:44:47
13.11 mi
Rank: #16759 (-126)
20K → HALF
5:38 | 8:16/mi
25K
2:03:56
15.53 mi
Rank: #16396 (+363)
HALF → 25K
19:09 | 7:54/mi
30K
2:36:35
18.64 mi
Rank: #18617 (-2221)
25K → 30K
32:39 | 10:31/mi
20M
2:49:01
20.00 mi
Rank: #18682 (-65)
30K → 20M
12:26 | 9:10/mi
21M
3:04:16
21.00 mi
Rank: #20220 (-1538)
20M → 21M
15:15 | 15:15/mi
35K
3:11:39
21.75 mi
Rank: #20363 (-143)
21M → 35K
7:23 | 9:53/mi
23M
3:28:12
23.00 mi
Rank: #21322 (-959)
35K → 23M
16:33 | 13:14/mi
24M
3:40:34
24.00 mi
Rank: #21850 (-528)
23M → 24M
12:22 | 12:22/mi
40K
3:51:39
24.85 mi
Rank: #22204 (-354)
24M → 40K
11:05 | 12:58/mi
25.2M
3:54:52
25.20 mi
Rank: #22135 (+69)
40K → 25.2M
3:13 | 9:20/mi
FINISH
4:03:23
26.22 mi
Rank: #21998 (+137)
25.2M → FINISH
8:31 | 8:22/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:47
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time2:18:36
Pace10:35 /mi
📊Positive Split: 32.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1422:347:1622:34
7:16
-
10K
6.21 mi11:14:4646:067:2623:32
7:35
+0:19
15K
9.32 mi11:39:271:10:477:3624:41
7:57
+0:22
20K
12.43 mi12:07:491:39:097:5928:22
9:08
+1:11
HALF
13.11 mi12:13:271:44:478:005:38
8:16
-0:52
25K
15.53 mi12:32:362:03:567:5919:09
7:54
-0:22
30K
18.64 mi13:05:152:36:358:2432:39
10:31
+2:37
20M
20.00 mi13:17:412:49:018:2812:26
9:10
-1:21
21M
21.00 mi13:32:563:04:168:4715:15
15:15
+6:05
35K
21.75 mi13:40:193:11:398:497:23
9:53
-5:22
23M
23.00 mi13:56:523:28:129:0416:33
13:14
+3:21
24M
24.00 mi14:09:143:40:349:1212:22
12:22
-0:52
40K
24.85 mi14:20:193:51:399:2011:05
12:58
+0:36
25.2M
25.20 mi14:23:323:54:529:203:13
9:20
-3:38
FINISH
26.22 mi14:32:034:03:239:188:31
8:22
-0:58

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

7:16 /mi

Average Pace

9:17 /mi

Slowest Pace

15:15 /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

1:29:56

37% of race

Time at Steady Pace

1:05:33

27% of race

Time at Slower Pace

1:27:54

36% of race

Average Pace: 9:17 /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 mi10:51:1422:347:1622:34
7:16
#10721
10K
6.21 mi11:14:4646:067:2623:32
7:35
#12141
15K
9.32 mi11:39:271:10:477:3624:41
7:57
#13626
20K
12.43 mi12:07:491:39:097:5928:22
9:08
#16633
HALF
13.11 mi12:13:271:44:478:005:38
8:16
#16759
25K
15.53 mi12:32:362:03:567:5919:09
7:54
#16396
30K
18.64 mi13:05:152:36:358:2432:39
10:31
#18617
20M
20.00 mi13:17:412:49:018:2812:26
9:10
#18682
21M
21.00 mi13:32:563:04:168:4715:15
15:15
#20220
35K
21.75 mi13:40:193:11:398:497:23
9:53
#20363
23M
23.00 mi13:56:523:28:129:0416:33
13:14
#21322
24M
24.00 mi14:09:143:40:349:1212:22
12:22
#21850
40K
24.85 mi14:20:193:51:399:2011:05
12:58
#22204
25.2M
25.20 mi14:23:323:54:529:203:13
9:20
#22135
FINISH
26.22 mi14:32:034:03:239:188:31
8:22
#21998
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 mi107218451845116561(Top 57%)10847(Top 66%)10847(Top 450%)
10K6.21 mi3.10 mi12141-14209080-6299080-62913615(Top 47%)9672(Top 59%)9672(Top 401%)
15K9.32 mi3.11 mi13626-14859679-5999679-59916561(Top 57%)10847(Top 66%)10847(Top 450%)
20K12.43 mi3.11 mi16633-300710848-116910848-116922482(Top 77%)13482(Top 83%)13482(Top 559%)
HALF13.11 mi0.68 mi16759-12610892-4410892-4418784(Top 65%)11791(Top 72%)11791(Top 489%)
25K15.53 mi2.42 mi16396+36310736+15610736+15614583(Top 50%)9910(Top 61%)9910(Top 411%)
30K18.64 mi3.11 mi18617-222111650-91411650-91424304(Top 84%)14206(Top 87%)14206(Top 589%)
20M20.00 mi1.36 mi18682-6511660-1011660-1019656(Top 68%)11959(Top 73%)11959(Top 496%)
21M21.00 mi1.00 mi20220-153812343-68312343-68328201(Top 97%)15935(Top 98%)15935(Top 660%)
35K21.75 mi0.75 mi20363-14312401-5812401-5822791(Top 79%)13351(Top 82%)13351(Top 553%)
23M23.00 mi1.25 mi21322-95912859-45812859-45827570(Top 95%)15625(Top 96%)15625(Top 648%)
24M24.00 mi1.00 mi21850-52813085-22613085-22627041(Top 93%)15304(Top 94%)15304(Top 634%)
40K24.85 mi0.85 mi22204-35413242-15713242-15727012(Top 93%)15271(Top 93%)15271(Top 633%)
25.2M25.20 mi0.35 mi22135+6913202+4013202+4016470(Top 57%)10217(Top 63%)10217(Top 423%)
FINISH26.22 mi1.02 mi21998+13713131+7113131+7117377(Top 60%)10613(Top 65%)10613(Top 440%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16561

Males

10847

M45-49

10847

5K→10K

3.1 - 6.2 mi

Top 47%
×5
+79ft-138ft

Overall

13615

Males

9672

M45-49

9672

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16561

Males

10847

M45-49

10847

15K→20K

9.3 - 12.4 mi

Top 77%
×5
+106ft-86ft

Overall

22482

Males

13482

M45-49

13482

20K→HALF

12.4 - 13.1 mi

Top 65%
×2
+19ft-37ft

Overall

18784

Males

11791

M45-49

11791

HALF→25K

13.1 - 15.5 mi

Top 50%
×4
+66ft-88ft

Overall

14583

Males

9910

M45-49

9910

25K→30K

15.5 - 18.6 mi

Top 84%
×9
+181ft-148ft

Overall

24304

Males

14206

M45-49

14206

30K→20M

18.6 - 20.0 mi

Top 68%
×5
+64ft-50ft

Overall

19656

Males

11959

M45-49

11959

20M→21M

20.0 - 21.0 mi

Top 97%
×8
+106ft-24ft

Overall

28201

Males

15935

M45-49

15935

21M→35K

21.0 - 21.8 mi

Top 79%
×7
+17ft-86ft

Overall

22791

Males

13351

M45-49

13351

35K→23M

21.8 - 23.0 mi

Top 95%
×5
+23ft-63ft

Overall

27570

Males

15625

M45-49

15625

23M→24M

23.0 - 24.0 mi

Top 93%
×6
+12ft-82ft

Overall

27041

Males

15304

M45-49

15304

24M→40K

24.0 - 24.9 mi

Top 93%
×1
+6ft-20ft

Overall

27012

Males

15271

M45-49

15271

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1
+13ft-16ft

Overall

16470

Males

10217

M45-49

10217

25.2M→FINISH

25.2 - 26.2 mi

Top 60%
×2
+22ft-21ft

Overall

17377

Males

10613

M45-49

10613

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
756
Passed By
12032
Net Change
-11277
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10721
5K → 10K211440-1420#10721#12141
10K → 15K211506-1485#12141#13626
15K → 20K23009-3007#13626#16633
20K → HALF8134-126#16633#16759
HALF → 25K37310+363#16759#16396
25K → 30K182239-2221#16396#18617
30K → 20M72137-65#18617#18682
20M → 21M31541-1538#18682#20220
21M → 35K14157-143#20220#20363
35K → 23M3962-959#20363#21322
23M → 24M10538-528#21322#21850
24M → 40K3357-354#21850#22204
40K → 25.2M701+69#22204#22135
25.2M → FINISH1381+137#22135#21998
TOTALS75612032-11277

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📊

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