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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Li-Ying Chang

Bib: 31217 β€’M β€’Age: N/A

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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
51Β°/41Β°F
overcast clouds
Personalized for Li-Ying

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment Β· 10:29/mi at mile 6.2

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase Β· Instant access Β· Downloadable PDF Β· Shareable report

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
32:48
3.11 mi
Rank: #27283
Start β†’ 5K
32:48 | 10:34/mi
10K
1:05:21
6.21 mi
Rank: #27063 (+220)
5K β†’ 10K
32:33 | 10:29/mi
15K
1:41:16
9.32 mi
Rank: #27514 (-451)
10K β†’ 15K
35:55 | 11:34/mi
20K
2:15:42
12.43 mi
Rank: #27410 (+104)
15K β†’ 20K
34:26 | 11:05/mi
HALF
2:26:11
13.11 mi
Rank: #27713 (-303)
20K β†’ HALF
10:29 | 15:23/mi
25K
2:53:32
15.53 mi
Rank: #27530 (+183)
HALF β†’ 25K
27:21 | 11:17/mi
30K
3:33:42
18.64 mi
Rank: #27588 (-58)
25K β†’ 30K
40:10 | 12:56/mi
20M
3:52:44
20.00 mi
Rank: #27692 (-104)
30K β†’ 20M
19:02 | 14:01/mi
21M
4:08:52
21.00 mi
Rank: #27779 (-87)
20M β†’ 21M
16:08 | 16:08/mi
35K
4:19:28
21.75 mi
Rank: #27824 (-45)
21M β†’ 35K
10:36 | 14:11/mi
23M
4:36:18
23.00 mi
Rank: #27833 (-9)
35K β†’ 23M
16:50 | 13:28/mi
24M
4:50:37
24.00 mi
Rank: #27874 (-41)
23M β†’ 24M
14:19 | 14:19/mi
40K
5:01:54
24.85 mi
Rank: #27865 (+9)
24M β†’ 40K
11:17 | 13:12/mi
25.2M
5:06:13
25.20 mi
Rank: #27849 (+16)
40K β†’ 25.2M
4:19 | 12:32/mi
FINISH
5:17:20
26.22 mi
Rank: #27802 (+47)
25.2M β†’ FINISH
11:07 | 10:55/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:26:11
Pace11:10 /mi
2nd Half
Distance13.11 mi
Time2:51:09
Pace13:04 /mi
πŸ“ŠPositive Split: 17.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:05:1532:4810:3432:48
10:34
-
10K
6.21 mi12:37:481:05:2110:3232:33
10:29
-0:05
15K
9.32 mi13:13:431:41:1610:5235:55
11:34
+1:05
20K
12.43 mi13:48:092:15:4210:5634:26
11:05
-0:29
HALF
13.11 mi13:58:382:26:1111:1010:29
15:23
+4:18
25K
15.53 mi14:25:592:53:3211:1127:21
11:17
-4:06
30K
18.64 mi15:06:093:33:4211:2840:10
12:56
+1:39
20M
20.00 mi15:25:113:52:4411:3919:02
14:01
+1:05
21M
21.00 mi15:41:194:08:5211:5216:08
16:08
+2:07
35K
21.75 mi15:51:554:19:2811:5610:36
14:11
-1:57
23M
23.00 mi16:08:454:36:1812:0116:50
13:28
-0:43
24M
24.00 mi16:23:044:50:3712:0714:19
14:19
+0:51
40K
24.85 mi16:34:215:01:5412:0911:17
13:12
-1:07
25.2M
25.20 mi16:38:405:06:1312:104:19
12:32
-0:40
FINISH
26.22 mi16:49:475:17:2012:0711:07
10:55
-1:37

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

10:29 /mi

Average Pace

12:07 /mi

Slowest Pace

16:08 /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

2:54:10

55% of race

Time at Steady Pace

1:12:36

23% of race

Time at Slower Pace

1:10:34

22% of race

Average Pace: 12:06 /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 mi12:05:1532:4810:3432:48
10:34
#27283
10K
6.21 mi12:37:481:05:2110:3232:33
10:29
#27063
15K
9.32 mi13:13:431:41:1610:5235:55
11:34
#27514
20K
12.43 mi13:48:092:15:4210:5634:26
11:05
#27410
HALF
13.11 mi13:58:382:26:1111:1010:29
15:23
#27713
25K
15.53 mi14:25:592:53:3211:1127:21
11:17
#27530
30K
18.64 mi15:06:093:33:4211:2840:10
12:56
#27588
20M
20.00 mi15:25:113:52:4411:3919:02
14:01
#27692
21M
21.00 mi15:41:194:08:5211:5216:08
16:08
#27779
35K
21.75 mi15:51:554:19:2811:5610:36
14:11
#27824
23M
23.00 mi16:08:454:36:1812:0116:50
13:28
#27833
24M
24.00 mi16:23:044:50:3712:0714:19
14:19
#27874
40K
24.85 mi16:34:215:01:5412:0911:17
13:12
#27865
25.2M
25.20 mi16:38:405:06:1312:104:19
12:32
#27849
FINISH
26.22 mi16:49:475:17:2012:0711:07
10:55
#27802
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 mi27283157441574428028(Top 97%)15991(Top 98%)15991(Top 663%)
10K6.21 mi3.10 mi27063+22015639+10515639+10526869(Top 93%)15541(Top 95%)15541(Top 644%)
15K9.32 mi3.11 mi27514-45115808-16915808-16928028(Top 97%)15991(Top 98%)15991(Top 663%)
20K12.43 mi3.11 mi27410+10415768+4015768+4027061(Top 93%)15617(Top 96%)15617(Top 647%)
HALF13.11 mi0.68 mi27713-30315882-11415882-11428978(Top 100%)16314(Top 100%)16314(Top 676%)
25K15.53 mi2.42 mi27530+18315803+7915803+7926736(Top 92%)15423(Top 94%)15423(Top 639%)
30K18.64 mi3.11 mi27588-58158031580327659(Top 95%)15752(Top 96%)15752(Top 653%)
20M20.00 mi1.36 mi27692-10415842-3915842-3928118(Top 97%)15908(Top 97%)15908(Top 659%)
21M21.00 mi1.00 mi27779-8715872-3015872-3028647(Top 99%)16139(Top 99%)16139(Top 669%)
35K21.75 mi0.75 mi27824-4515890-1815890-1828429(Top 98%)16019(Top 98%)16019(Top 664%)
23M23.00 mi1.25 mi27833-915886+415886+427759(Top 96%)15711(Top 96%)15711(Top 651%)
24M24.00 mi1.00 mi27874-4115899-1315899-1328488(Top 98%)16034(Top 98%)16034(Top 664%)
40K24.85 mi0.85 mi27865+915888+1115888+1127233(Top 94%)15394(Top 94%)15394(Top 638%)
25.2M25.20 mi0.35 mi27849+1615880+815880+825359(Top 87%)14471(Top 89%)14471(Top 600%)
FINISH26.22 mi1.02 mi27802+4715850+3015850+3025951(Top 89%)14738(Top 90%)14738(Top 611%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
Γ—21
+97ft-345ft

Overall

28028

Males

15991

M45-49

15991

5K→10K

3.1 - 6.2 mi

Top 93%
Γ—5
+79ft-138ft

Overall

26869

Males

15541

M45-49

15541

10K→15K

6.2 - 9.3 mi

Top 97%
Γ—3
+67ft-78ft

Overall

28028

Males

15991

M45-49

15991

15K→20K

9.3 - 12.4 mi

Top 93%
Γ—5
+106ft-86ft

Overall

27061

Males

15617

M45-49

15617

20K→HALF

12.4 - 13.1 mi

Top 100%
Γ—2
+19ft-37ft

Overall

28978

Males

16314

M45-49

16314

HALF→25K

13.1 - 15.5 mi

Top 92%
Γ—4
+66ft-88ft

Overall

26736

Males

15423

M45-49

15423

25K→30K

15.5 - 18.6 mi

Top 95%
Γ—9
+181ft-148ft

Overall

27659

Males

15752

M45-49

15752

30K→20M

18.6 - 20.0 mi

Top 97%
Γ—5
+64ft-50ft

Overall

28118

Males

15908

M45-49

15908

20M→21M

20.0 - 21.0 mi

Top 99%
Γ—8
+106ft-24ft

Overall

28647

Males

16139

M45-49

16139

21M→35K

21.0 - 21.8 mi

Top 98%
Γ—7
+17ft-86ft

Overall

28429

Males

16019

M45-49

16019

35K→23M

21.8 - 23.0 mi

Top 96%
Γ—5
+23ft-63ft

Overall

27759

Males

15711

M45-49

15711

23M→24M

23.0 - 24.0 mi

Top 98%
Γ—6
+12ft-82ft

Overall

28488

Males

16034

M45-49

16034

24M→40K

24.0 - 24.9 mi

Top 94%
Γ—1
+6ft-20ft

Overall

27233

Males

15394

M45-49

15394

40K→25.2M

24.9 - 25.2 mi

Top 87%
Γ—1
+13ft-16ft

Overall

25359

Males

14471

M45-49

14471

25.2M→FINISH

25.2 - 26.2 mi

Top 89%
Γ—2
+22ft-21ft

Overall

25951

Males

14738

M45-49

14738

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
856*
Passed By
997
Net Change
-519
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#27283
5K β†’ 10K304*84+220#27283#27063
10K β†’ 15K20200-451#27063#27514
15K β†’ 20K15349+104#27514#27410
20K β†’ HALF4200-303#27410#27713
HALF β†’ 25K1918+183#27713#27530
25K β†’ 30K54112-58#27530#27588
30K β†’ 20M11115-104#27588#27692
20M β†’ 21M895-87#27692#27779
21M β†’ 35K651-45#27779#27824
35K β†’ 23M1524-9#27824#27833
23M β†’ 24M647-41#27833#27874
24M β†’ 40K2011+9#27874#27865
40K β†’ 25.2M160+16#27865#27849
25.2M β†’ FINISH481+47#27849#27802
TOTALS856*997-519

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

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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