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BOSTON MARATHON 2025

Hongwei Zhou

Bib: 22797•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 46%
Division (F55-59)
#0 / 994
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:30
Rank: #15576
Start → 5K
24:30 | 7:53/mi
10K· 6.21 mi
49:39
Rank: #16445 (-869)
5K → 10K
25:09 | 8:06/mi
15K· 9.32 mi
1:15:18
Rank: #16927 (-482)
10K → 15K
25:39 | 8:15/mi
20K· 12.43 mi
1:41:48
Rank: #17294 (-367)
15K → 20K
26:30 | 8:32/mi
Half· 13.11 mi
1:47:37
Rank: #17390 (-96)
20K → Half
5:49 | 8:32/mi
25K· 15.53 mi
2:08:30
Rank: #17432 (-42)
Half → 25K
20:53 | 8:37/mi
30K· 18.64 mi
2:37:36
Rank: #17820 (-388)
25K → 30K
29:06 | 9:22/mi
20M
2:50:33
Rank: #17948 (-128)
30K → 20M
12:57 | 9:32/mi
21M
3:00:52
Rank: #18087 (-139)
20M → 21M
10:19 | 10:19/mi
35K· 21.75 mi
3:08:32
Rank: #18348 (-261)
21M → 35K
7:40 | 10:15/mi
23M
3:20:25
Rank: #18364 (-16)
35K → 23M
11:53 | 9:29/mi
24M
3:29:31
Rank: #18322 (+42)
23M → 24M
9:06 | 9:06/mi
40K· 24.85 mi
3:37:27
Rank: #18313 (+9)
24M → 40K
7:56 | 9:17/mi
25.2M
3:40:58
Rank: #18301 (+12)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:50:00
Rank: #18324 (-23)
25.2M → Finish
9:02 | 8:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:37
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time2:02:23
Pace9:20 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0124:307:5324:30
7:53
-
10K
6.21 mi11:46:1049:397:5925:09
8:06
+0:13
15K
9.32 mi12:11:491:15:188:0525:39
8:15
+0:09
20K
12.43 mi12:38:191:41:488:1126:30
8:32
+0:17
Half
13.11 mi12:44:081:47:378:135:49
8:32
0:00
25K
15.53 mi13:05:012:08:308:1620:53
8:37
+0:05
30K
18.64 mi13:34:072:37:368:2729:06
9:22
+0:45
20M
20.00 mi13:47:042:50:338:3212:57
9:32
+0:10
21M
21.00 mi13:57:233:00:528:3710:19
10:19
+0:47
35K
21.75 mi14:05:033:08:328:407:40
10:15
-0:04
23M
23.00 mi14:16:563:20:258:4311:53
9:29
-0:46
24M
24.00 mi14:26:023:29:318:449:06
9:06
-0:23
40K
24.85 mi14:33:583:37:278:457:56
9:17
+0:11
25.2M
25.20 mi14:37:293:40:588:463:31
10:12
+0:55
Finish
26.22 mi14:46:313:50:008:479:02
8:52
-1:20

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

7:53 /mi

Average Pace

8:47 /mi

Slowest Pace

10:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:30

56% of race

Time at Steady Pace

55:10

24% of race

Time at Slower Pace

46:20

20% of race

Average Pace: 8:46 /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 mi11:21:0124:307:5324:30
7:53
#15576
10K
6.21 mi11:46:1049:397:5925:09
8:06
#16445
15K
9.32 mi12:11:491:15:188:0525:39
8:15
#16927
20K
12.43 mi12:38:191:41:488:1126:30
8:32
#17294
Half
13.11 mi12:44:081:47:378:135:49
8:32
#17390
25K
15.53 mi13:05:012:08:308:1620:53
8:37
#17432
30K
18.64 mi13:34:072:37:368:2729:06
9:22
#17820
20M
20.00 mi13:47:042:50:338:3212:57
9:32
#17948
21M
21.00 mi13:57:233:00:528:3710:19
10:19
#18087
35K
21.75 mi14:05:033:08:328:407:40
10:15
#18348
23M
23.00 mi14:16:563:20:258:4311:53
9:29
#18364
24M
24.00 mi14:26:023:29:318:449:06
9:06
#18322
40K
24.85 mi14:33:583:37:278:457:56
9:17
#18313
25.2M
25.20 mi14:37:293:40:588:463:31
10:12
#18301
Finish
26.22 mi14:46:313:50:008:479:02
8:52
#18324
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi155764883488317784(Top 63%)6194(Top 51%)6194(Top 623%)
10K6.21 mi3.10 mi16445-8695409-5265409-52617177(Top 60%)5807(Top 47%)5807(Top 584%)
15K9.32 mi3.11 mi16927-4825680-2715680-27117784(Top 63%)6194(Top 51%)6194(Top 623%)
20K12.43 mi3.11 mi17294-3675914-2345914-23418449(Top 65%)6599(Top 54%)6599(Top 664%)
Half13.11 mi0.68 mi17390-965976-625976-6219404(Top 68%)7125(Top 58%)7125(Top 717%)
25K15.53 mi2.42 mi17432-426019-436019-4317893(Top 63%)6371(Top 52%)6371(Top 641%)
30K18.64 mi3.11 mi17820-3886300-2816300-28119411(Top 68%)7341(Top 60%)7341(Top 739%)
20M20.00 mi1.36 mi17948-1286393-936393-9319318(Top 68%)7429(Top 61%)7429(Top 747%)
21M21.00 mi1.00 mi18087-1396482-896482-8919430(Top 68%)7571(Top 62%)7571(Top 762%)
35K21.75 mi0.75 mi18348-2616651-1696651-16922558(Top 79%)9306(Top 76%)9306(Top 936%)
23M23.00 mi1.25 mi18364-166683-326683-3218670(Top 66%)7330(Top 60%)7330(Top 737%)
24M24.00 mi1.00 mi18322+426693-106693-1017903(Top 63%)6980(Top 57%)6980(Top 702%)
40K24.85 mi0.85 mi18313+96718-256718-2517767(Top 63%)7009(Top 57%)7009(Top 705%)
25.2M25.20 mi0.35 mi18301+126726-86726-817915(Top 63%)7093(Top 58%)7093(Top 714%)
Finish26.22 mi1.02 mi18324-236760-346760-3418381(Top 65%)7279(Top 60%)7279(Top 732%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

17784

Females

6194

F55-59

6194

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

17177

Females

5807

F55-59

5807

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

17784

Females

6194

F55-59

6194

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

18449

Females

6599

F55-59

6599

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

19404

Females

7125

F55-59

7125

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17893

Females

6371

F55-59

6371

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

19411

Females

7341

F55-59

7341

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19318

Females

7429

F55-59

7429

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

19430

Females

7571

F55-59

7571

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

22558

Females

9306

F55-59

9306

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

18670

Females

7330

F55-59

7330

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

17903

Females

6980

F55-59

6980

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17767

Females

7009

F55-59

7009

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17915

Females

7093

F55-59

7093

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

18381

Females

7279

F55-59

7279

Passing Analysis

Category:
Athletes Passed
1089
Passed By
3837
Net Change
-2748
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15576
5K → 10K86955-869#15576#16445
10K → 15K96578-482#16445#16927
15K → 20K102469-367#16927#17294
20K → Half10106-96#17294#17390
Half → 25K163205-42#17390#17432
25K → 30K116504-388#17432#17820
30K → 20M83211-128#17820#17948
20M → 21M55194-139#17948#18087
21M → 35K22283-261#18087#18348
35K → 23M102118-16#18348#18364
23M → 24M9149+42#18364#18322
24M → 40K7566+9#18322#18313
40K → 25.2M3725+12#18313#18301
25.2M → Finish5174-23#18301#18324
TOTALS10893837-2748
📊

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