Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Liping Zheng

Bib: 23501 β€’F β€’Age: N/A

SK

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F55-59)
#0 / 951
Race Day Weather
51Β°/41Β°F
overcast clouds
Personalized for Liping

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· 8:02/mi at mile 3.1

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
24:59
3.11 mi
Rank: #17248
Start β†’ 5K
24:59 | 8:03/mi
10K
50:00
6.21 mi
Rank: #17421 (-173)
5K β†’ 10K
25:01 | 8:04/mi
15K
1:15:39
9.32 mi
Rank: #17874 (-453)
10K β†’ 15K
25:39 | 8:16/mi
20K
1:42:33
12.43 mi
Rank: #18488 (-614)
15K β†’ 20K
26:54 | 8:40/mi
HALF
1:48:26
13.11 mi
Rank: #18600 (-112)
20K β†’ HALF
5:53 | 8:38/mi
25K
2:12:33
15.53 mi
Rank: #19910 (-1310)
HALF β†’ 25K
24:07 | 9:57/mi
30K
2:42:01
18.64 mi
Rank: #20281 (-371)
25K β†’ 30K
29:28 | 9:30/mi
20M
2:56:24
20.00 mi
Rank: #20733 (-452)
30K β†’ 20M
14:23 | 10:36/mi
21M
3:10:17
21.00 mi
Rank: #21553 (-820)
20M β†’ 21M
13:53 | 13:53/mi
35K
3:17:34
21.75 mi
Rank: #21612 (-59)
21M β†’ 35K
7:17 | 9:45/mi
23M
3:30:25
23.00 mi
Rank: #21720 (-108)
35K β†’ 23M
12:51 | 10:17/mi
24M
3:40:01
24.00 mi
Rank: #21758 (-38)
23M β†’ 24M
9:36 | 9:36/mi
40K
3:48:47
24.85 mi
Rank: #21824 (-66)
24M β†’ 40K
8:46 | 10:16/mi
25.2M
3:53:10
25.20 mi
Rank: #21927 (-103)
40K β†’ 25.2M
4:23 | 12:43/mi
FINISH
4:02:47
26.22 mi
Rank: #21934 (-7)
25.2M β†’ FINISH
9:37 | 9:27/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:48:26
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time2:14:21
Pace10:15 /mi
πŸ“ŠPositive Split: 23.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:4724:598:0324:59
8:03
-
10K
6.21 mi11:53:4850:008:0325:01
8:04
+0:01
15K
9.32 mi12:19:271:15:398:0725:39
8:16
+0:12
20K
12.43 mi12:46:211:42:338:1626:54
8:40
+0:24
HALF
13.11 mi12:52:141:48:268:175:53
8:38
-0:02
25K
15.53 mi13:16:212:12:338:3224:07
9:57
+1:19
30K
18.64 mi13:45:492:42:018:4229:28
9:30
-0:27
20M
20.00 mi14:00:122:56:248:5014:23
10:36
+1:06
21M
21.00 mi14:14:053:10:179:0413:53
13:53
+3:17
35K
21.75 mi14:21:223:17:349:067:17
9:45
-4:08
23M
23.00 mi14:34:133:30:259:0912:51
10:17
+0:32
24M
24.00 mi14:43:493:40:019:119:36
9:36
-0:41
40K
24.85 mi14:52:353:48:479:138:46
10:16
+0:40
25.2M
25.20 mi14:56:583:53:109:164:23
12:43
+2:27
FINISH
26.22 mi15:06:354:02:479:169:37
9:27
-3:16

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

8:03 /mi

Average Pace

9:16 /mi

Slowest Pace

13:53 /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

1:48:26

45% of race

Time at Steady Pace

1:41:42

42% of race

Time at Slower Pace

32:39

13% of race

Average Pace: 9:16 /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 mi11:28:4724:598:0324:59
8:03
#17248
10K
6.21 mi11:53:4850:008:0325:01
8:04
#17421
15K
9.32 mi12:19:271:15:398:0725:39
8:16
#17874
20K
12.43 mi12:46:211:42:338:1626:54
8:40
#18488
HALF
13.11 mi12:52:141:48:268:175:53
8:38
#18600
25K
15.53 mi13:16:212:12:338:3224:07
9:57
#19910
30K
18.64 mi13:45:492:42:018:4229:28
9:30
#20281
20M
20.00 mi14:00:122:56:248:5014:23
10:36
#20733
21M
21.00 mi14:14:053:10:179:0413:53
13:53
#21553
35K
21.75 mi14:21:223:17:349:067:17
9:45
#21612
23M
23.00 mi14:34:133:30:259:0912:51
10:17
#21720
24M
24.00 mi14:43:493:40:019:119:36
9:36
#21758
40K
24.85 mi14:52:353:48:479:138:46
10:16
#21824
25.2M
25.20 mi14:56:583:53:109:164:23
12:43
#21927
FINISH
26.22 mi15:06:354:02:479:169:37
9:27
#21934
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi172486061606118729(Top 65%)6886(Top 55%)6886(Top 724%)
10K6.21 mi3.10 mi17421-1736170-1096170-10917654(Top 61%)6297(Top 50%)6297(Top 662%)
15K9.32 mi3.11 mi17874-4536419-2496419-24918729(Top 65%)6886(Top 55%)6886(Top 724%)
20K12.43 mi3.11 mi18488-6146754-3356754-33520225(Top 70%)7759(Top 62%)7759(Top 816%)
HALF13.11 mi0.68 mi18600-1126830-766830-7621048(Top 73%)8156(Top 65%)8156(Top 858%)
25K15.53 mi2.42 mi19910-13107579-7497579-74924171(Top 83%)9800(Top 78%)9800(Top 1030%)
30K18.64 mi3.11 mi20281-3717803-2247803-22421588(Top 74%)8568(Top 68%)8568(Top 901%)
20M20.00 mi1.36 mi20733-4528050-2478050-24724062(Top 83%)9944(Top 79%)9944(Top 1046%)
21M21.00 mi1.00 mi21553-8208485-4358485-43527233(Top 94%)11664(Top 93%)11664(Top 1226%)
35K21.75 mi0.75 mi21612-598522-378522-3722459(Top 77%)9181(Top 73%)9181(Top 965%)
23M23.00 mi1.25 mi21720-1088593-718593-7122837(Top 79%)9434(Top 75%)9434(Top 992%)
24M24.00 mi1.00 mi21758-388629-368629-3621671(Top 75%)8883(Top 71%)8883(Top 934%)
40K24.85 mi0.85 mi21824-668677-488677-4822590(Top 78%)9393(Top 75%)9393(Top 988%)
25.2M25.20 mi0.35 mi21927-1038732-558732-5525683(Top 88%)10957(Top 87%)10957(Top 1152%)
FINISH26.22 mi1.02 mi21934-78747-158747-1522156(Top 76%)9147(Top 73%)9147(Top 962%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
Γ—21
+97ft-345ft

Overall

18729

Females

6886

F55-59

6886

5K→10K

3.1 - 6.2 mi

Top 61%
Γ—5
+79ft-138ft

Overall

17654

Females

6297

F55-59

6297

10K→15K

6.2 - 9.3 mi

Top 65%
Γ—3
+67ft-78ft

Overall

18729

Females

6886

F55-59

6886

15K→20K

9.3 - 12.4 mi

Top 70%
Γ—5
+106ft-86ft

Overall

20225

Females

7759

F55-59

7759

20K→HALF

12.4 - 13.1 mi

Top 73%
Γ—2
+19ft-37ft

Overall

21048

Females

8156

F55-59

8156

HALF→25K

13.1 - 15.5 mi

Top 83%
Γ—4
+66ft-88ft

Overall

24171

Females

9800

F55-59

9800

25K→30K

15.5 - 18.6 mi

Top 74%
Γ—9
+181ft-148ft

Overall

21588

Females

8568

F55-59

8568

30K→20M

18.6 - 20.0 mi

Top 83%
Γ—5
+64ft-50ft

Overall

24062

Females

9944

F55-59

9944

20M→21M

20.0 - 21.0 mi

Top 94%
Γ—8
+106ft-24ft

Overall

27233

Females

11664

F55-59

11664

21M→35K

21.0 - 21.8 mi

Top 77%
Γ—7
+17ft-86ft

Overall

22459

Females

9181

F55-59

9181

35K→23M

21.8 - 23.0 mi

Top 79%
Γ—5
+23ft-63ft

Overall

22837

Females

9434

F55-59

9434

23M→24M

23.0 - 24.0 mi

Top 75%
Γ—6
+12ft-82ft

Overall

21671

Females

8883

F55-59

8883

24M→40K

24.0 - 24.9 mi

Top 78%
Γ—1
+6ft-20ft

Overall

22590

Females

9393

F55-59

9393

40K→25.2M

24.9 - 25.2 mi

Top 88%
Γ—1
+13ft-16ft

Overall

25683

Females

10957

F55-59

10957

25.2M→FINISH

25.2 - 26.2 mi

Top 76%
Γ—2
+22ft-21ft

Overall

22156

Females

9147

F55-59

9147

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
624
Passed By
2078
Net Change
-4686
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#17248
5K β†’ 10K200200-173#17248#17421
10K β†’ 15K64200-453#17421#17874
15K β†’ 20K43200-614#17874#18488
20K β†’ HALF7119-112#18488#18600
HALF β†’ 25K7200-1310#18600#19910
25K β†’ 30K100200-371#19910#20281
30K β†’ 20M16200-452#20281#20733
20M β†’ 21M9200-820#20733#21553
21M β†’ 35K2584-59#21553#21612
35K β†’ 23M43151-108#21612#21720
23M β†’ 24M3775-38#21720#21758
24M β†’ 40K34100-66#21758#21824
40K β†’ 25.2M5108-103#21824#21927
25.2M β†’ FINISH3441-7#21927#21934
TOTALS6242078-4686
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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