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BOSTON MARATHON 2025

Lanhua Hu

Bib: 19940•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 44%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:18
Rank: #17700
Start → 5K
25:18 | 8:09/mi
10K· 6.21 mi
50:50
Rank: #17848 (-148)
5K → 10K
25:32 | 8:13/mi
15K· 9.32 mi
1:16:43
Rank: #17975 (-127)
10K → 15K
25:53 | 8:20/mi
20K· 12.43 mi
1:43:18
Rank: #18076 (-101)
15K → 20K
26:35 | 8:33/mi
Half· 13.11 mi
1:49:04
Rank: #18097 (-21)
20K → Half
5:46 | 8:27/mi
25K· 15.53 mi
2:09:53
Rank: #17990 (+107)
Half → 25K
20:49 | 8:35/mi
30K· 18.64 mi
2:38:19
Rank: #18063 (-73)
25K → 30K
28:26 | 9:09/mi
20M
2:51:00
Rank: #18100 (-37)
30K → 20M
12:41 | 9:20/mi
21M
3:00:35
Rank: #18013 (+87)
20M → 21M
9:35 | 9:35/mi
35K· 21.75 mi
3:07:05
Rank: #17945 (+68)
21M → 35K
6:30 | 8:41/mi
23M
3:19:13
Rank: #18049 (-104)
35K → 23M
12:08 | 9:41/mi
24M
3:28:11
Rank: #17988 (+61)
23M → 24M
8:58 | 8:58/mi
40K· 24.85 mi
3:36:16
Rank: #18021 (-33)
24M → 40K
8:05 | 9:27/mi
25.2M
3:39:55
Rank: #18060 (-39)
40K → 25.2M
3:39 | 10:35/mi
Finish· 26.22 mi
3:48:37
Rank: #17988 (+72)
25.2M → Finish
8:42 | 8:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:04
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time1:59:33
Pace9:07 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4125:188:0925:18
8:09
-
10K
6.21 mi11:44:1350:508:1125:32
8:13
+0:04
15K
9.32 mi12:10:061:16:438:1425:53
8:20
+0:07
20K
12.43 mi12:36:411:43:188:1926:35
8:33
+0:13
Half
13.11 mi12:42:271:49:048:195:46
8:27
-0:06
25K
15.53 mi13:03:162:09:538:2220:49
8:35
+0:08
30K
18.64 mi13:31:422:38:198:3028:26
9:09
+0:34
20M
20.00 mi13:44:232:51:008:3312:41
9:20
+0:11
21M
21.00 mi13:53:583:00:358:369:35
9:35
+0:15
35K
21.75 mi14:00:283:07:058:366:30
8:41
-0:54
23M
23.00 mi14:12:363:19:138:4012:08
9:41
+1:00
24M
24.00 mi14:21:343:28:118:408:58
8:58
-0:43
40K
24.85 mi14:29:393:36:168:428:05
9:27
+0:29
25.2M
25.20 mi14:33:183:39:558:443:39
10:35
+1:08
Finish
26.22 mi14:42:003:48:378:448:42
8:32
-2:03

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

8:09 /mi

Average Pace

8:44 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:43

34% of race

Time at Steady Pace

1:17:20

34% of race

Time at Slower Pace

1:14:34

33% of race

Average Pace: 8:43 /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 mi11:18:4125:188:0925:18
8:09
#17700
10K
6.21 mi11:44:1350:508:1125:32
8:13
#17848
15K
9.32 mi12:10:061:16:438:1425:53
8:20
#17975
20K
12.43 mi12:36:411:43:188:1926:35
8:33
#18076
Half
13.11 mi12:42:271:49:048:195:46
8:27
#18097
25K
15.53 mi13:03:162:09:538:2220:49
8:35
#17990
30K
18.64 mi13:31:422:38:198:3028:26
9:09
#18063
20M
20.00 mi13:44:232:51:008:3312:41
9:20
#18100
21M
21.00 mi13:53:583:00:358:369:35
9:35
#18013
35K
21.75 mi14:00:283:07:058:366:30
8:41
#17945
23M
23.00 mi14:12:363:19:138:4012:08
9:41
#18049
24M
24.00 mi14:21:343:28:118:408:58
8:58
#17988
40K
24.85 mi14:29:393:36:168:428:05
9:27
#18021
25.2M
25.20 mi14:33:183:39:558:443:39
10:35
#18060
Finish
26.22 mi14:42:003:48:378:448:42
8:32
#17988
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi177006156615618274(Top 64%)6481(Top 53%)6481(Top 377%)
10K6.21 mi3.10 mi17848-1486239-836239-8318030(Top 63%)6312(Top 52%)6312(Top 367%)
15K9.32 mi3.11 mi17975-1276315-766315-7618274(Top 64%)6481(Top 53%)6481(Top 377%)
20K12.43 mi3.11 mi18076-1016380-656380-6518589(Top 65%)6677(Top 55%)6677(Top 389%)
Half13.11 mi0.68 mi18097-216394-146394-1418924(Top 67%)6847(Top 56%)6847(Top 399%)
25K15.53 mi2.42 mi17990+1076353+416353+4117737(Top 62%)6273(Top 51%)6273(Top 365%)
30K18.64 mi3.11 mi18063-736432-796432-7918423(Top 65%)6795(Top 56%)6795(Top 396%)
20M20.00 mi1.36 mi18100-376475-436475-4318455(Top 65%)6977(Top 57%)6977(Top 406%)
21M21.00 mi1.00 mi18013+876440+356440+3516487(Top 58%)5975(Top 49%)5975(Top 348%)
35K21.75 mi0.75 mi17945+686413+276413+2716655(Top 59%)6151(Top 50%)6151(Top 358%)
23M23.00 mi1.25 mi18049-1046519-1066519-10619414(Top 68%)7735(Top 63%)7735(Top 450%)
24M24.00 mi1.00 mi17988+616515+46515+417212(Top 61%)6601(Top 54%)6601(Top 384%)
40K24.85 mi0.85 mi18021-336557-426557-4218544(Top 65%)7400(Top 61%)7400(Top 431%)
25.2M25.20 mi0.35 mi18060-396585-286585-2819318(Top 68%)7806(Top 64%)7806(Top 454%)
Finish26.22 mi1.02 mi17988+726563+226563+2216491(Top 58%)6301(Top 52%)6301(Top 367%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18274

Females

6481

F40-44

6481

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

18030

Females

6312

F40-44

6312

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18274

Females

6481

F40-44

6481

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

18589

Females

6677

F40-44

6677

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

18924

Females

6847

F40-44

6847

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17737

Females

6273

F40-44

6273

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18423

Females

6795

F40-44

6795

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

18455

Females

6977

F40-44

6977

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16487

Females

5975

F40-44

5975

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16655

Females

6151

F40-44

6151

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

19414

Females

7735

F40-44

7735

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

17212

Females

6601

F40-44

6601

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18544

Females

7400

F40-44

7400

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19318

Females

7806

F40-44

7806

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

16491

Females

6301

F40-44

6301

Passing Analysis

Category:
Athletes Passed
1672
Passed By
1960
Net Change
-288
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17700
5K → 10K220368-148#17700#17848
10K → 15K147274-127#17848#17975
15K → 20K160261-101#17975#18076
20K → Half3051-21#18076#18097
Half → 25K217110+107#18097#17990
25K → 30K214287-73#17990#18063
30K → 20M109146-37#18063#18100
20M → 21M13447+87#18100#18013
21M → 35K9123+68#18013#17945
35K → 23M75179-104#17945#18049
23M → 24M10039+61#18049#17988
24M → 40K5891-33#17988#18021
40K → 25.2M1453-39#18021#18060
25.2M → Finish10331+72#18060#17988
TOTALS16721960-288
📊

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