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BOSTON MARATHON 2026

Lichuang Sun

Bib: 8509•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 41%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 44%
Age Group (M40-44)
#0 / 2198
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
20:35
3.11 mi
Rank: #5219
Start → 5K
20:35 | 6:38/mi
10K
42:20
6.21 mi
Rank: #7023 (-1804)
5K → 10K
21:45 | 7:01/mi
15K
1:03:57
9.32 mi
Rank: #7481 (-458)
10K → 15K
21:37 | 6:58/mi
20K
1:27:25
12.43 mi
Rank: #8611 (-1130)
15K → 20K
23:28 | 7:34/mi
HALF
1:32:39
13.11 mi
Rank: #8854 (-243)
20K → HALF
5:14 | 7:41/mi
25K
1:52:11
15.53 mi
Rank: #9909 (-1055)
HALF → 25K
19:32 | 8:04/mi
30K
2:17:25
18.64 mi
Rank: #10714 (-805)
25K → 30K
25:14 | 8:08/mi
20M
2:28:33
20.00 mi
Rank: #11032 (-318)
30K → 20M
11:08 | 8:12/mi
21M
2:37:46
21.00 mi
Rank: #11414 (-382)
20M → 21M
9:13 | 9:13/mi
35K
2:44:01
21.75 mi
Rank: #11620 (-206)
21M → 35K
6:15 | 8:22/mi
23M
2:55:00
23.00 mi
Rank: #12004 (-384)
35K → 23M
10:59 | 8:47/mi
24M
3:02:52
24.00 mi
Rank: #12019 (-15)
23M → 24M
7:52 | 7:52/mi
40K
3:09:43
24.85 mi
Rank: #12006 (+13)
24M → 40K
6:51 | 8:01/mi
25.2M
3:12:33
25.20 mi
Rank: #11950 (+56)
40K → 25.2M
2:50 | 8:13/mi
FINISH
3:20:27
26.22 mi
Rank: #12003 (-53)
25.2M → FINISH
7:54 | 7:46/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:32:39
Pace7:05 /mi
2nd Half
Distance13.11 mi
Time1:47:48
Pace8:14 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:35:3820:356:3820:35
6:38
-
10K
6.21 mi10:57:2342:206:4921:45
7:01
+0:23
15K
9.32 mi11:19:001:03:576:5221:37
6:58
-0:03
20K
12.43 mi11:42:281:27:257:0323:28
7:34
+0:36
HALF
13.11 mi11:47:421:32:397:055:14
7:41
+0:07
25K
15.53 mi12:07:141:52:117:1419:32
8:04
+0:23
30K
18.64 mi12:32:282:17:257:2325:14
8:08
+0:04
20M
20.00 mi12:43:362:28:337:2611:08
8:12
+0:04
21M
21.00 mi12:52:492:37:467:319:13
9:13
+1:01
35K
21.75 mi12:59:042:44:017:336:15
8:22
-0:51
23M
23.00 mi13:10:032:55:007:3710:59
8:47
+0:25
24M
24.00 mi13:17:553:02:527:387:52
7:52
-0:55
40K
24.85 mi13:24:463:09:437:386:51
8:01
+0:09
25.2M
25.20 mi13:27:363:12:337:392:50
8:13
+0:12
FINISH
26.22 mi13:35:303:20:277:407:54
7:46
-0:27

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

6:38 /mi

Average Pace

7:39 /mi

Slowest Pace

9:13 /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

1:32:39

46% of race

Time at Steady Pace

1:21:21

41% of race

Time at Slower Pace

26:27

13% of race

Average Pace: 7:39 /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 mi10:35:3820:356:3820:35
6:38
#5219
10K
6.21 mi10:57:2342:206:4921:45
7:01
#7023
15K
9.32 mi11:19:001:03:576:5221:37
6:58
#7481
20K
12.43 mi11:42:281:27:257:0323:28
7:34
#8611
HALF
13.11 mi11:47:421:32:397:055:14
7:41
#8854
25K
15.53 mi12:07:141:52:117:1419:32
8:04
#9909
30K
18.64 mi12:32:282:17:257:2325:14
8:08
#10714
20M
20.00 mi12:43:362:28:337:2611:08
8:12
#11032
21M
21.00 mi12:52:492:37:467:319:13
9:13
#11414
35K
21.75 mi12:59:042:44:017:336:15
8:22
#11620
23M
23.00 mi13:10:032:55:007:3710:59
8:47
#12004
24M
24.00 mi13:17:553:02:527:387:52
7:52
#12019
40K
24.85 mi13:24:463:09:437:386:51
8:01
#12006
25.2M
25.20 mi13:27:363:12:337:392:50
8:13
#11950
FINISH
26.22 mi13:35:303:20:277:407:54
7:46
#12003
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5219485848588277(Top 29%)7045(Top 43%)7045(Top 321%)
10K6.21 mi3.10 mi7023-18046227-13696227-13698674(Top 30%)7316(Top 45%)7316(Top 333%)
15K9.32 mi3.11 mi7481-4586541-3146541-3148277(Top 29%)7045(Top 43%)7045(Top 321%)
20K12.43 mi3.11 mi8611-11307253-7127253-71212419(Top 43%)9037(Top 55%)9037(Top 411%)
HALF13.11 mi0.68 mi8854-2437405-1527405-15214446(Top 50%)9955(Top 61%)9955(Top 453%)
25K15.53 mi2.42 mi9909-10557953-5487953-54815791(Top 54%)10423(Top 64%)10423(Top 474%)
30K18.64 mi3.11 mi10714-8058280-3278280-32714345(Top 49%)9690(Top 59%)9690(Top 441%)
20M20.00 mi1.36 mi11032-3188404-1248404-12414212(Top 49%)9547(Top 58%)9547(Top 434%)
21M21.00 mi1.00 mi11414-3828586-1828586-18217202(Top 59%)10756(Top 66%)10756(Top 489%)
35K21.75 mi0.75 mi11620-2068657-718657-7116713(Top 58%)10487(Top 64%)10487(Top 477%)
23M23.00 mi1.25 mi12004-3848792-1358792-13517300(Top 60%)10647(Top 65%)10647(Top 484%)
24M24.00 mi1.00 mi12019-158764+288764+2812767(Top 44%)8593(Top 53%)8593(Top 391%)
40K24.85 mi0.85 mi12006+138738+268738+2612540(Top 43%)8412(Top 51%)8412(Top 383%)
25.2M25.20 mi0.35 mi11950+568702+368702+369704(Top 33%)6993(Top 43%)6993(Top 318%)
FINISH26.22 mi1.02 mi12003-538698+48698+413377(Top 46%)8735(Top 53%)8735(Top 397%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21
+97ft-345ft

Overall

8277

Males

7045

M40-44

7045

5K→10K

3.1 - 6.2 mi

Top 30%
×5
+79ft-138ft

Overall

8674

Males

7316

M40-44

7316

10K→15K

6.2 - 9.3 mi

Top 29%
×3
+67ft-78ft

Overall

8277

Males

7045

M40-44

7045

15K→20K

9.3 - 12.4 mi

Top 43%
×5
+106ft-86ft

Overall

12419

Males

9037

M40-44

9037

20K→HALF

12.4 - 13.1 mi

Top 50%
×2
+19ft-37ft

Overall

14446

Males

9955

M40-44

9955

HALF→25K

13.1 - 15.5 mi

Top 54%
×4
+66ft-88ft

Overall

15791

Males

10423

M40-44

10423

25K→30K

15.5 - 18.6 mi

Top 49%
×9
+181ft-148ft

Overall

14345

Males

9690

M40-44

9690

30K→20M

18.6 - 20.0 mi

Top 49%
×5
+64ft-50ft

Overall

14212

Males

9547

M40-44

9547

20M→21M

20.0 - 21.0 mi

Top 59%
×8
+106ft-24ft

Overall

17202

Males

10756

M40-44

10756

21M→35K

21.0 - 21.8 mi

Top 58%
×7
+17ft-86ft

Overall

16713

Males

10487

M40-44

10487

35K→23M

21.8 - 23.0 mi

Top 60%
×5
+23ft-63ft

Overall

17300

Males

10647

M40-44

10647

23M→24M

23.0 - 24.0 mi

Top 44%
×6
+12ft-82ft

Overall

12767

Males

8593

M40-44

8593

24M→40K

24.0 - 24.9 mi

Top 43%
×1
+6ft-20ft

Overall

12540

Males

8412

M40-44

8412

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1
+13ft-16ft

Overall

9704

Males

6993

M40-44

6993

25.2M→FINISH

25.2 - 26.2 mi

Top 46%
×2
+22ft-21ft

Overall

13377

Males

8735

M40-44

8735

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
527
Passed By
7309
Net Change
-6784
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5219
5K → 10K121816-1804#5219#7023
10K → 15K38496-458#7023#7481
15K → 20K141144-1130#7481#8611
20K → HALF1244-243#8611#8854
HALF → 25K141069-1055#8854#9909
25K → 30K58861-805#9909#10714
30K → 20M31349-318#10714#11032
20M → 21M28410-382#11032#11414
21M → 35K22228-206#11414#11620
35K → 23M31415-384#11620#12004
23M → 24M7287-15#12004#12019
24M → 40K8572+13#12019#12006
40K → 25.2M637+56#12006#11950
25.2M → FINISH58111-53#11950#12003
TOTALS5277309-6784
📊

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