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BOSTON MARATHON 2026

Chang Liu

Bib: 15220β€’M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 42%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 44%
Age Group (M50-54)
#0 / 1868
Top 49%
Race Day Weather
51Β°/41Β°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
23:06
3.11 mi
Rank: #12243
Start β†’ 5K
23:06 | 7:27/mi
10K
45:56
6.21 mi
Rank: #11892 (+351)
5K β†’ 10K
22:50 | 7:21/mi
15K
1:08:47
9.32 mi
Rank: #11779 (+113)
10K β†’ 15K
22:51 | 7:22/mi
20K
1:31:36
12.43 mi
Rank: #11469 (+310)
15K β†’ 20K
22:49 | 7:21/mi
HALF
1:36:33
13.11 mi
Rank: #11438 (+31)
20K β†’ HALF
4:57 | 7:16/mi
25K
1:54:29
15.53 mi
Rank: #11273 (+165)
HALF β†’ 25K
17:56 | 7:24/mi
30K
2:18:26
18.64 mi
Rank: #11260 (+13)
25K β†’ 30K
23:57 | 7:43/mi
20M
2:29:04
20.00 mi
Rank: #11265 (-5)
30K β†’ 20M
10:38 | 7:50/mi
21M
2:37:17
21.00 mi
Rank: #11221 (+44)
20M β†’ 21M
8:13 | 8:13/mi
35K
2:43:37
21.75 mi
Rank: #11451 (-230)
21M β†’ 35K
6:20 | 8:28/mi
23M
2:54:54
23.00 mi
Rank: #11955 (-504)
35K β†’ 23M
11:17 | 9:01/mi
24M
3:03:24
24.00 mi
Rank: #12202 (-247)
23M β†’ 24M
8:30 | 8:30/mi
40K
3:10:24
24.85 mi
Rank: #12237 (-35)
24M β†’ 40K
7:00 | 8:12/mi
25.2M
3:13:16
25.20 mi
Rank: #12194 (+43)
40K β†’ 25.2M
2:52 | 8:19/mi
FINISH
3:20:56
26.22 mi
Rank: #12151 (+43)
25.2M β†’ FINISH
7:40 | 7:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:36:33
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:44:23
Pace7:58 /mi
πŸ“ŠPositive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2623:067:2723:06
7:27
-
10K
6.21 mi11:17:1645:567:2422:50
7:21
-0:06
15K
9.32 mi11:40:071:08:477:2322:51
7:22
+0:01
20K
12.43 mi12:02:561:31:367:2322:49
7:21
-0:01
HALF
13.11 mi12:07:531:36:337:224:57
7:16
-0:05
25K
15.53 mi12:25:491:54:297:2317:56
7:24
+0:08
30K
18.64 mi12:49:462:18:267:2623:57
7:43
+0:19
20M
20.00 mi13:00:242:29:047:2810:38
7:50
+0:07
21M
21.00 mi13:08:372:37:177:308:13
8:13
+0:23
35K
21.75 mi13:14:572:43:377:326:20
8:28
+0:15
23M
23.00 mi13:26:142:54:547:3711:17
9:01
+0:33
24M
24.00 mi13:34:443:03:247:398:30
8:30
-0:31
40K
24.85 mi13:41:443:10:247:407:00
8:12
-0:18
25.2M
25.20 mi13:44:363:13:167:412:52
8:19
+0:07
FINISH
26.22 mi13:52:163:20:567:417:40
7:32
-0:47

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

7:40 /mi

Slowest Pace

9:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:54:29

57% of race

Time at Steady Pace

42:15

21% of race

Time at Slower Pace

44:12

22% of race

Average Pace: 7:40 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:54:2623:067:2723:06
7:27
#12243
10K
6.21 mi11:17:1645:567:2422:50
7:21
#11892
15K
9.32 mi11:40:071:08:477:2322:51
7:22
#11779
20K
12.43 mi12:02:561:31:367:2322:49
7:21
#11469
HALF
13.11 mi12:07:531:36:337:224:57
7:16
#11438
25K
15.53 mi12:25:491:54:297:2317:56
7:24
#11273
30K
18.64 mi12:49:462:18:267:2623:57
7:43
#11260
20M
20.00 mi13:00:242:29:047:2810:38
7:50
#11265
21M
21.00 mi13:08:372:37:177:308:13
8:13
#11221
35K
21.75 mi13:14:572:43:377:326:20
8:28
#11451
23M
23.00 mi13:26:142:54:547:3711:17
9:01
#11955
24M
24.00 mi13:34:443:03:247:398:30
8:30
#12202
40K
24.85 mi13:41:443:10:247:407:00
8:12
#12237
25.2M
25.20 mi13:44:363:13:167:412:52
8:19
#12194
FINISH
26.22 mi13:52:163:20:567:417:40
7:32
#12151
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 mi122439139913911546(Top 40%)8730(Top 53%)8730(Top 467%)
10K6.21 mi3.10 mi11892+3518971+1688971+16811585(Top 40%)8790(Top 54%)8790(Top 471%)
15K9.32 mi3.11 mi11779+1138887+848887+8411546(Top 40%)8730(Top 53%)8730(Top 467%)
20K12.43 mi3.11 mi11469+3108724+1638724+16310589(Top 36%)8208(Top 50%)8208(Top 439%)
HALF13.11 mi0.68 mi11438+318700+248700+2410834(Top 37%)8416(Top 52%)8416(Top 451%)
25K15.53 mi2.42 mi11273+1658607+938607+9310518(Top 36%)8093(Top 50%)8093(Top 433%)
30K18.64 mi3.11 mi11260+138551+568551+5611305(Top 39%)8347(Top 51%)8347(Top 447%)
20M20.00 mi1.36 mi11265-58522+298522+2911544(Top 40%)8340(Top 51%)8340(Top 446%)
21M21.00 mi1.00 mi11221+448475+478475+4711290(Top 39%)8121(Top 50%)8121(Top 435%)
35K21.75 mi0.75 mi11451-2308590-1158590-11517350(Top 60%)10737(Top 66%)10737(Top 575%)
23M23.00 mi1.25 mi11955-5048773-1838773-18318551(Top 64%)11233(Top 69%)11233(Top 601%)
24M24.00 mi1.00 mi12202-2478839-668839-6616876(Top 58%)10411(Top 64%)10411(Top 557%)
40K24.85 mi0.85 mi12237-358838+18838+113657(Top 47%)8908(Top 55%)8908(Top 477%)
25.2M25.20 mi0.35 mi12194+438808+308808+3010356(Top 36%)7332(Top 45%)7332(Top 393%)
FINISH26.22 mi1.02 mi12151+438765+438765+4311576(Top 40%)7895(Top 48%)7895(Top 423%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
Γ—21
+97ft-345ft

Overall

11546

Males

8730

M50-54

8730

5K→10K

3.1 - 6.2 mi

Top 40%
Γ—5
+79ft-138ft

Overall

11585

Males

8790

M50-54

8790

10K→15K

6.2 - 9.3 mi

Top 40%
Γ—3
+67ft-78ft

Overall

11546

Males

8730

M50-54

8730

15K→20K

9.3 - 12.4 mi

Top 36%
Γ—5
+106ft-86ft

Overall

10589

Males

8208

M50-54

8208

20K→HALF

12.4 - 13.1 mi

Top 37%
Γ—2
+19ft-37ft

Overall

10834

Males

8416

M50-54

8416

HALF→25K

13.1 - 15.5 mi

Top 36%
Γ—4
+66ft-88ft

Overall

10518

Males

8093

M50-54

8093

25K→30K

15.5 - 18.6 mi

Top 39%
Γ—9
+181ft-148ft

Overall

11305

Males

8347

M50-54

8347

30K→20M

18.6 - 20.0 mi

Top 40%
Γ—5
+64ft-50ft

Overall

11544

Males

8340

M50-54

8340

20M→21M

20.0 - 21.0 mi

Top 39%
Γ—8
+106ft-24ft

Overall

11290

Males

8121

M50-54

8121

21M→35K

21.0 - 21.8 mi

Top 60%
Γ—7
+17ft-86ft

Overall

17350

Males

10737

M50-54

10737

35K→23M

21.8 - 23.0 mi

Top 64%
Γ—5
+23ft-63ft

Overall

18551

Males

11233

M50-54

11233

23M→24M

23.0 - 24.0 mi

Top 58%
Γ—6
+12ft-82ft

Overall

16876

Males

10411

M50-54

10411

24M→40K

24.0 - 24.9 mi

Top 47%
Γ—1
+6ft-20ft

Overall

13657

Males

8908

M50-54

8908

40K→25.2M

24.9 - 25.2 mi

Top 36%
Γ—1
+13ft-16ft

Overall

10356

Males

7332

M50-54

7332

25.2M→FINISH

25.2 - 26.2 mi

Top 40%
Γ—2
+22ft-21ft

Overall

11576

Males

7895

M50-54

7895

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1989
Passed By
1897
Net Change
+92
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#12243
5K β†’ 10K479128+351#12243#11892
10K β†’ 15K228115+113#11892#11779
15K β†’ 20K33424+310#11779#11469
20K β†’ HALF4413+31#11469#11438
HALF β†’ 25K20338+165#11438#11273
25K β†’ 30K208195+13#11273#11260
30K β†’ 20M9398-5#11260#11265
20M β†’ 21M11571+44#11265#11221
21M β†’ 35K21251-230#11221#11451
35K β†’ 23M17521-504#11451#11955
23M β†’ 24M36283-247#11955#12202
24M β†’ 40K6196-35#12202#12237
40K β†’ 25.2M6118+43#12237#12194
25.2M β†’ FINISH8946+43#12194#12151
TOTALS19891897+92
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing