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BOSTON MARATHON 2025

Liping Zhang

Bib: 23470•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:14/mi
25:36
↑ 97↓ 3451.5%
10K· 6.21 mi
8:27/mi
51:52
↑ 79↓ 1380.4%
15K· 9.32 mi
8:36/mi
1:18:35
↑ 67↓ 78
20K· 12.43 mi
8:52/mi
1:46:07
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:52:00
↑ 19↓ 370.5%
25K· 15.53 mi
9:01/mi
2:13:51
↑ 66↓ 880.2%
30K· 18.64 mi
9:45/mi
2:44:07
↑ 181↓ 1480.2%
20M
9:52/mi
2:57:31
↑ 64↓ 500.2%
21M
10:17/mi
3:07:48
↑ 106↓ 241.6%
35K· 21.75 mi
8:55/mi
3:14:28
↑ 17↓ 861.7%
23M
9:29/mi
3:26:20
↑ 23↓ 630.6%
24M
9:23/mi
3:35:43
↓ 821.3%
40K· 24.85 mi
9:40/mi
3:43:59
↓ 200.3%
25.2M
11:19/mi
3:47:53
↑ 13↓ 160.2%
Finish· 26.22 mi
10:03/mi
3:58:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:00
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:06:07
Pace9:37 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4025:368:1425:36
8:14
-
10K
6.21 mi11:50:5651:528:2126:16
8:27
+0:13
15K
9.32 mi12:17:391:18:358:2626:43
8:36
+0:09
20K
12.43 mi12:45:111:46:078:3227:32
8:52
+0:16
Half
13.11 mi12:51:041:52:008:335:53
8:37
-0:15
25K
15.53 mi13:12:552:13:518:3721:51
9:01
+0:24
30K
18.64 mi13:43:112:44:078:4830:16
9:45
+0:44
20M
20.00 mi13:56:352:57:318:5313:24
9:52
+0:07
21M
21.00 mi14:06:523:07:488:5710:17
10:17
+0:25
35K
21.75 mi14:13:323:14:288:576:40
8:55
-1:22
23M
23.00 mi14:25:243:26:208:5811:52
9:29
+0:34
24M
24.00 mi14:34:473:35:438:599:23
9:23
-0:06
40K
24.85 mi14:43:033:43:599:018:16
9:40
+0:17
25.2M
25.20 mi14:46:573:47:539:033:54
11:19
+1:39
Finish
26.22 mi14:57:113:58:079:0510:14
10:03
-1:16

Checkpoints & Pacing

📈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

8:14 /mi

Average Pace

9:05 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:40

50% of race

Time at Steady Pace

1:21:38

34% of race

Time at Slower Pace

37:49

16% of race

Average Pace: 9:05 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:24:4025:368:1425:36
8:14
#18370
10K
6.21 mi11:50:5651:528:2126:16
8:27
#18914
15K
9.32 mi12:17:391:18:358:2626:43
8:36
#19235
20K
12.43 mi12:45:111:46:078:3227:32
8:52
#19532
Half
13.11 mi12:51:041:52:008:335:53
8:37
#19547
25K
15.53 mi13:12:552:13:518:3721:51
9:01
#19604
30K
18.64 mi13:43:112:44:078:4830:16
9:45
#19888
20M
20.00 mi13:56:352:57:318:5313:24
9:52
#19966
21M
21.00 mi14:06:523:07:488:5710:17
10:17
#19920
35K
21.75 mi14:13:323:14:288:576:40
8:55
#19836
23M
23.00 mi14:25:243:26:208:5811:52
9:29
#19768
24M
24.00 mi14:34:473:35:438:599:23
9:23
#19742
40K
24.85 mi14:43:033:43:599:018:16
9:40
#19736
25.2M
25.20 mi14:46:573:47:539:033:54
11:19
#19780
Finish
26.22 mi14:57:113:58:079:0510:14
10:03
#19960
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi183706567656719930(Top 70%)7406(Top 61%)7406(Top 568%)
10K6.21 mi3.10 mi18914-5446854-2876854-28719550(Top 69%)7203(Top 59%)7203(Top 553%)
15K9.32 mi3.11 mi19235-3217027-1737027-17319930(Top 70%)7406(Top 61%)7406(Top 568%)
20K12.43 mi3.11 mi19532-2977206-1797206-17920291(Top 71%)7643(Top 63%)7643(Top 587%)
Half13.11 mi0.68 mi19547-157219-137219-1319981(Top 70%)7469(Top 61%)7469(Top 573%)
25K15.53 mi2.42 mi19604-577261-427261-4219966(Top 70%)7514(Top 61%)7514(Top 577%)
30K18.64 mi3.11 mi19888-2847456-1957456-19520818(Top 73%)8128(Top 66%)8128(Top 624%)
20M20.00 mi1.36 mi19966-787527-717527-7120496(Top 72%)8073(Top 66%)8073(Top 620%)
21M21.00 mi1.00 mi19920+467526+17526+119319(Top 68%)7506(Top 61%)7506(Top 576%)
35K21.75 mi0.75 mi19836+847494+327494+3217855(Top 63%)6831(Top 56%)6831(Top 524%)
23M23.00 mi1.25 mi19768+687491+37491+318607(Top 66%)7300(Top 60%)7300(Top 560%)
24M24.00 mi1.00 mi19742+267504-137504-1319182(Top 68%)7643(Top 63%)7643(Top 587%)
40K24.85 mi0.85 mi19736+67513-97513-919367(Top 68%)7819(Top 64%)7819(Top 600%)
25.2M25.20 mi0.35 mi19780-447546-337546-3321566(Top 76%)8935(Top 73%)8935(Top 686%)
Finish26.22 mi1.02 mi19960-1807661-1157661-11523070(Top 81%)9695(Top 79%)9695(Top 744%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

19930

Females

7406

F50-54

7406

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

19550

Females

7203

F50-54

7203

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

19930

Females

7406

F50-54

7406

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

20291

Females

7643

F50-54

7643

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19981

Females

7469

F50-54

7469

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19966

Females

7514

F50-54

7514

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20818

Females

8128

F50-54

8128

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

20496

Females

8073

F50-54

8073

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

19319

Females

7506

F50-54

7506

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

17855

Females

6831

F50-54

6831

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

18607

Females

7300

F50-54

7300

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

19182

Females

7643

F50-54

7643

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19367

Females

7819

F50-54

7819

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21566

Females

8935

F50-54

8935

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

23070

Females

9695

F50-54

9695

Passing Analysis

Category:
Athletes Passed
1216
Passed By
2806
Net Change
-1590
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18370
5K → 10K94638-544#18370#18914
10K → 15K107428-321#18914#19235
15K → 20K116413-297#19235#19532
20K → Half2944-15#19532#19547
Half → 25K142199-57#19547#19604
25K → 30K136420-284#19604#19888
30K → 20M85163-78#19888#19966
20M → 21M11569+46#19966#19920
21M → 35K9511+84#19920#19836
35K → 23M12557+68#19836#19768
23M → 24M8054+26#19768#19742
24M → 40K5953+6#19742#19736
40K → 25.2M1357-44#19736#19780
25.2M → Finish20200-180#19780#19960
TOTALS12162806-1590
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing