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BOSTON MARATHON 2025

Yuzhou Zhang

Bib: 24718•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:47
Rank: #23446
Start → 5K
28:47 | 9:16/mi
10K· 6.21 mi
58:18
Rank: #23833 (-387)
5K → 10K
29:31 | 9:30/mi
15K· 9.32 mi
1:28:19
Rank: #23973 (-140)
10K → 15K
30:01 | 9:40/mi
20K· 12.43 mi
1:58:44
Rank: #23886 (+87)
15K → 20K
30:25 | 9:47/mi
Half· 13.11 mi
2:05:10
Rank: #23865 (+21)
20K → Half
6:26 | 9:26/mi
25K· 15.53 mi
2:27:56
Rank: #23485 (+380)
Half → 25K
22:46 | 9:23/mi
30K· 18.64 mi
2:59:49
Rank: #23237 (+248)
25K → 30K
31:53 | 10:16/mi
20M
3:15:28
Rank: #23345 (-108)
30K → 20M
15:39 | 11:31/mi
21M
3:25:56
Rank: #23159 (+186)
20M → 21M
10:28 | 10:28/mi
35K· 21.75 mi
3:33:38
Rank: #23148 (+11)
21M → 35K
7:42 | 10:18/mi
23M
3:47:43
Rank: #23206 (-58)
35K → 23M
14:05 | 11:15/mi
24M
3:57:30
Rank: #23090 (+116)
23M → 24M
9:47 | 9:47/mi
40K· 24.85 mi
4:07:34
Rank: #23150 (-60)
24M → 40K
10:04 | 11:46/mi
25.2M
4:11:59
Rank: #23184 (-34)
40K → 25.2M
4:25 | 12:48/mi
Finish· 26.22 mi
4:22:32
Rank: #23213 (-29)
25.2M → Finish
10:33 | 10:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:10
Pace9:33 /mi
2nd Half
Distance13.11 mi
Time2:17:22
Pace10:29 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:3428:479:1628:47
9:16
-
10K
6.21 mi11:58:0558:189:2329:31
9:30
+0:14
15K
9.32 mi12:28:061:28:199:2930:01
9:40
+0:10
20K
12.43 mi12:58:311:58:449:3330:25
9:47
+0:07
Half
13.11 mi13:04:572:05:109:336:26
9:26
-0:21
25K
15.53 mi13:27:432:27:569:3122:46
9:23
-0:03
30K
18.64 mi13:59:362:59:499:3931:53
10:16
+0:53
20M
20.00 mi14:15:153:15:289:4615:39
11:31
+1:15
21M
21.00 mi14:25:433:25:569:4810:28
10:28
-1:03
35K
21.75 mi14:33:253:33:389:497:42
10:18
-0:10
23M
23.00 mi14:47:303:47:439:5414:05
11:15
+0:57
24M
24.00 mi14:57:173:57:309:549:47
9:47
-1:28
40K
24.85 mi15:07:214:07:349:5810:04
11:46
+1:59
25.2M
25.20 mi15:11:464:11:5910:004:25
12:48
+1:02
Finish
26.22 mi15:22:194:22:3210:0110:33
10:21
-2:27

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

9:16 /mi

Average Pace

10:01 /mi

Slowest Pace

12:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:31

45% of race

Time at Steady Pace

1:40:48

38% of race

Time at Slower Pace

44:13

17% of race

Average Pace: 10:01 /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 mi11:28:3428:479:1628:47
9:16
#23446
10K
6.21 mi11:58:0558:189:2329:31
9:30
#23833
15K
9.32 mi12:28:061:28:199:2930:01
9:40
#23973
20K
12.43 mi12:58:311:58:449:3330:25
9:47
#23886
Half
13.11 mi13:04:572:05:109:336:26
9:26
#23865
25K
15.53 mi13:27:432:27:569:3122:46
9:23
#23485
30K
18.64 mi13:59:362:59:499:3931:53
10:16
#23237
20M
20.00 mi14:15:153:15:289:4615:39
11:31
#23345
21M
21.00 mi14:25:433:25:569:4810:28
10:28
#23159
35K
21.75 mi14:33:253:33:389:497:42
10:18
#23148
23M
23.00 mi14:47:303:47:439:5414:05
11:15
#23206
24M
24.00 mi14:57:173:57:309:549:47
9:47
#23090
40K
24.85 mi15:07:214:07:349:5810:04
11:46
#23150
25.2M
25.20 mi15:11:464:11:5910:004:25
12:48
#23184
Finish
26.22 mi15:22:194:22:3210:0110:33
10:21
#23213
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi234469411941124176(Top 85%)9769(Top 80%)9769(Top 983%)
10K6.21 mi3.10 mi23833-3879592-1819592-18124108(Top 85%)9746(Top 80%)9746(Top 980%)
15K9.32 mi3.11 mi23973-1409660-689660-6824176(Top 85%)9769(Top 80%)9769(Top 983%)
20K12.43 mi3.11 mi23886+879628+329628+3223744(Top 84%)9571(Top 78%)9571(Top 963%)
Half13.11 mi0.68 mi23865+219622+69622+623375(Top 82%)9361(Top 77%)9361(Top 942%)
25K15.53 mi2.42 mi23485+3809408+2149408+21421527(Top 76%)8380(Top 69%)8380(Top 843%)
30K18.64 mi3.11 mi23237+2489316+929316+9222353(Top 79%)8973(Top 73%)8973(Top 903%)
20M20.00 mi1.36 mi23345-1089390-749390-7424558(Top 86%)10249(Top 84%)10249(Top 1031%)
21M21.00 mi1.00 mi23159+1869309+819309+8119925(Top 70%)7873(Top 64%)7873(Top 792%)
35K21.75 mi0.75 mi23148+119310-19310-122686(Top 80%)9385(Top 77%)9385(Top 944%)
23M23.00 mi1.25 mi23206-589380-709380-7023784(Top 84%)9996(Top 82%)9996(Top 1006%)
24M24.00 mi1.00 mi23090+1169339+419339+4120697(Top 73%)8450(Top 69%)8450(Top 850%)
40K24.85 mi0.85 mi23150-609387-489387-4824602(Top 87%)10474(Top 86%)10474(Top 1054%)
25.2M25.20 mi0.35 mi23184-349409-229409-2224770(Top 87%)10555(Top 86%)10555(Top 1062%)
Finish26.22 mi1.02 mi23213-299429-209429-2023934(Top 84%)10137(Top 83%)10137(Top 1020%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

24176

Females

9769

F55-59

9769

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

24108

Females

9746

F55-59

9746

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

24176

Females

9769

F55-59

9769

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

23744

Females

9571

F55-59

9571

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

23375

Females

9361

F55-59

9361

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

21527

Females

8380

F55-59

8380

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

22353

Females

8973

F55-59

8973

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24558

Females

10249

F55-59

10249

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

19925

Females

7873

F55-59

7873

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22686

Females

9385

F55-59

9385

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23784

Females

9996

F55-59

9996

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

20697

Females

8450

F55-59

8450

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24602

Females

10474

F55-59

10474

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24770

Females

10555

F55-59

10555

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

23934

Females

10137

F55-59

10137

Passing Analysis

Category:
Athletes Passed
1631
Passed By
1398
Net Change
+233
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23446
5K → 10K110497-387#23446#23833
10K → 15K100240-140#23833#23973
15K → 20K18093+87#23973#23886
20K → Half298+21#23886#23865
Half → 25K3855+380#23865#23485
25K → 30K29951+248#23485#23237
30K → 20M50158-108#23237#23345
20M → 21M1904+186#23345#23159
21M → 35K4635+11#23159#23148
35K → 23M57115-58#23148#23206
23M → 24M1193+116#23206#23090
24M → 40K3595-60#23090#23150
40K → 25.2M741-34#23150#23184
25.2M → Finish2453-29#23184#23213
TOTALS16311398+233
📊

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