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BOSTON MARATHON 2025

Li Zhen Zhang

Bib: 25485•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F65-69)
#0 / 222
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:19
Rank: #24985
Start → 5K
30:19 | 9:45/mi
10K· 6.21 mi
1:00:51
Rank: #24951 (+34)
5K → 10K
30:32 | 9:50/mi
15K· 9.32 mi
1:31:10
Rank: #24776 (+175)
10K → 15K
30:19 | 9:45/mi
20K· 12.43 mi
2:02:14
Rank: #24615 (+161)
15K → 20K
31:04 | 10:00/mi
Half· 13.11 mi
2:08:55
Rank: #24606 (+9)
20K → Half
6:41 | 9:48/mi
25K· 15.53 mi
2:34:07
Rank: #24540 (+66)
Half → 25K
25:12 | 10:24/mi
30K· 18.64 mi
3:08:59
Rank: #24532 (+8)
25K → 30K
34:52 | 11:13/mi
20M
3:24:11
Rank: #24511 (+21)
30K → 20M
15:12 | 11:11/mi
21M
3:36:45
Rank: #24507 (+4)
20M → 21M
12:34 | 12:34/mi
35K· 21.75 mi
3:44:53
Rank: #24502 (+5)
21M → 35K
8:08 | 10:52/mi
23M
3:59:45
Rank: #24530 (-28)
35K → 23M
14:52 | 11:52/mi
24M
4:11:00
Rank: #24533 (-3)
23M → 24M
11:15 | 11:15/mi
40K· 24.85 mi
4:21:09
Rank: #24553 (-20)
24M → 40K
10:09 | 11:52/mi
25.2M
4:25:35
Rank: #24554 (-1)
40K → 25.2M
4:26 | 12:51/mi
Finish· 26.22 mi
4:37:07
Rank: #24627 (-73)
25.2M → Finish
11:32 | 11:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:55
Pace9:50 /mi
2nd Half
Distance13.11 mi
Time2:28:12
Pace11:18 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:5830:199:4530:19
9:45
-
10K
6.21 mi12:00:301:00:519:4830:32
9:50
+0:05
15K
9.32 mi12:30:491:31:109:4730:19
9:45
-0:05
20K
12.43 mi13:01:532:02:149:5031:04
10:00
+0:15
Half
13.11 mi13:08:342:08:559:506:41
9:48
-0:12
25K
15.53 mi13:33:462:34:079:5525:12
10:24
+0:36
30K
18.64 mi14:08:383:08:5910:0834:52
11:13
+0:49
20M
20.00 mi14:23:503:24:1110:1315:12
11:11
-0:02
21M
21.00 mi14:36:243:36:4510:1912:34
12:34
+1:23
35K
21.75 mi14:44:323:44:5310:208:08
10:52
-1:42
23M
23.00 mi14:59:243:59:4510:2514:52
11:52
+1:00
24M
24.00 mi15:10:394:11:0010:2811:15
11:15
-0:37
40K
24.85 mi15:20:484:21:0910:3010:09
11:52
+0:37
25.2M
25.20 mi15:25:144:25:3510:324:26
12:51
+0:59
Finish
26.22 mi15:36:464:37:0710:3511:32
11:19
-1:32

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

9:45 /mi

Average Pace

10:35 /mi

Slowest Pace

12:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:07

56% of race

Time at Steady Pace

1:20:59

29% of race

Time at Slower Pace

42:01

15% of race

Average Pace: 10:34 /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 mi11:29:5830:199:4530:19
9:45
#24985
10K
6.21 mi12:00:301:00:519:4830:32
9:50
#24951
15K
9.32 mi12:30:491:31:109:4730:19
9:45
#24776
20K
12.43 mi13:01:532:02:149:5031:04
10:00
#24615
Half
13.11 mi13:08:342:08:559:506:41
9:48
#24606
25K
15.53 mi13:33:462:34:079:5525:12
10:24
#24540
30K
18.64 mi14:08:383:08:5910:0834:52
11:13
#24532
20M
20.00 mi14:23:503:24:1110:1315:12
11:11
#24511
21M
21.00 mi14:36:243:36:4510:1912:34
12:34
#24507
35K
21.75 mi14:44:323:44:5310:208:08
10:52
#24502
23M
23.00 mi14:59:243:59:4510:2514:52
11:52
#24530
24M
24.00 mi15:10:394:11:0010:2811:15
11:15
#24533
40K
24.85 mi15:20:484:21:0910:3010:09
11:52
#24553
25.2M
25.20 mi15:25:144:25:3510:324:26
12:51
#24554
Finish
26.22 mi15:36:464:37:0710:3511:32
11:19
#24627
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi24985102031020324442(Top 86%)9917(Top 81%)9917(Top 4467%)
10K6.21 mi3.10 mi24951+34102031020324917(Top 88%)10187(Top 83%)10187(Top 4589%)
15K9.32 mi3.11 mi24776+17510101+10210101+10224442(Top 86%)9917(Top 81%)9917(Top 4467%)
20K12.43 mi3.11 mi24615+16110029+7210029+7224208(Top 85%)9836(Top 80%)9836(Top 4431%)
Half13.11 mi0.68 mi24606+910028+110028+124340(Top 86%)9902(Top 81%)9902(Top 4460%)
25K15.53 mi2.42 mi24540+6610002+2610002+2624159(Top 85%)9832(Top 80%)9832(Top 4429%)
30K18.64 mi3.11 mi24532+810021-1910021-1924408(Top 86%)10081(Top 82%)10081(Top 4541%)
20M20.00 mi1.36 mi24511+2110020+110020+123944(Top 84%)9930(Top 81%)9930(Top 4473%)
21M21.00 mi1.00 mi24507+410039-1910039-1924464(Top 86%)10274(Top 84%)10274(Top 4628%)
35K21.75 mi0.75 mi24502+510044-510044-523929(Top 84%)10020(Top 82%)10020(Top 4514%)
23M23.00 mi1.25 mi24530-2810075-3110075-3124901(Top 88%)10551(Top 86%)10551(Top 4753%)
24M24.00 mi1.00 mi24533-310091-1610091-1624459(Top 86%)10355(Top 85%)10355(Top 4664%)
40K24.85 mi0.85 mi24553-2010108-1710108-1724699(Top 87%)10529(Top 86%)10529(Top 4743%)
25.2M25.20 mi0.35 mi24554-110115-710115-724782(Top 87%)10567(Top 86%)10567(Top 4760%)
Finish26.22 mi1.02 mi24627-7310168-5310168-5325874(Top 91%)11088(Top 91%)11088(Top 4995%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

24442

Females

9917

F65-69

9917

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

24917

Females

10187

F65-69

10187

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

24442

Females

9917

F65-69

9917

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

24208

Females

9836

F65-69

9836

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

24340

Females

9902

F65-69

9902

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24159

Females

9832

F65-69

9832

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

24408

Females

10081

F65-69

10081

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

23944

Females

9930

F65-69

9930

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

24464

Females

10274

F65-69

10274

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

23929

Females

10020

F65-69

10020

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

24901

Females

10551

F65-69

10551

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24459

Females

10355

F65-69

10355

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24699

Females

10529

F65-69

10529

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24782

Females

10567

F65-69

10567

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

25874

Females

11088

F65-69

11088

Passing Analysis

Category:
Athletes Passed
1250
Passed By
892
Net Change
+358
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24985
5K → 10K208174+34#24985#24951
10K → 15K22651+175#24951#24776
15K → 20K21756+161#24776#24615
20K → Half2920+9#24615#24606
Half → 25K13973+66#24606#24540
25K → 30K135127+8#24540#24532
30K → 20M6039+21#24532#24511
20M → 21M6056+4#24511#24507
21M → 35K3227+5#24507#24502
35K → 23M4573-28#24502#24530
23M → 24M4750-3#24530#24533
24M → 40K2343-20#24533#24553
40K → 25.2M1516-1#24553#24554
25.2M → Finish1487-73#24554#24627
TOTALS1250892+358
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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