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BOSTON MARATHON 2025

Anqi Hou

Bib: 15939•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:39
Rank: #16061
Start → 5K
24:39 | 7:56/mi
10K· 6.21 mi
49:02
Rank: #15605 (+456)
5K → 10K
24:23 | 7:51/mi
15K· 9.32 mi
1:13:36
Rank: #15469 (+136)
10K → 15K
24:34 | 7:54/mi
20K· 12.43 mi
1:38:42
Rank: #15481 (-12)
15K → 20K
25:06 | 8:05/mi
Half· 13.11 mi
1:44:10
Rank: #15503 (-22)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:03:46
Rank: #15308 (+195)
Half → 25K
19:36 | 8:05/mi
30K· 18.64 mi
2:30:09
Rank: #15172 (+136)
25K → 30K
26:23 | 8:30/mi
20M
2:41:56
Rank: #15115 (+57)
30K → 20M
11:47 | 8:40/mi
21M
2:51:04
Rank: #14998 (+117)
20M → 21M
9:08 | 9:08/mi
35K· 21.75 mi
2:57:21
Rank: #14987 (+11)
21M → 35K
6:17 | 8:24/mi
23M
3:07:58
Rank: #14824 (+163)
35K → 23M
10:37 | 8:29/mi
24M
3:16:18
Rank: #14736 (+88)
23M → 24M
8:20 | 8:20/mi
40K· 24.85 mi
3:23:32
Rank: #14655 (+81)
24M → 40K
7:14 | 8:28/mi
25.2M
3:26:37
Rank: #14592 (+63)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:34:42
Rank: #14484 (+108)
25.2M → Finish
8:05 | 7:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:10
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:50:32
Pace8:26 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3224:397:5624:39
7:56
-
10K
6.21 mi11:19:5549:027:5324:23
7:51
-0:05
15K
9.32 mi11:44:291:13:367:5424:34
7:54
+0:03
20K
12.43 mi12:09:351:38:427:5725:06
8:05
+0:11
Half
13.11 mi12:15:031:44:107:575:28
8:01
-0:04
25K
15.53 mi12:34:392:03:467:5819:36
8:05
+0:04
30K
18.64 mi13:01:022:30:098:0326:23
8:30
+0:25
20M
20.00 mi13:12:492:41:568:0611:47
8:40
+0:10
21M
21.00 mi13:21:572:51:048:099:08
9:08
+0:28
35K
21.75 mi13:28:142:57:218:096:17
8:24
-0:44
23M
23.00 mi13:38:513:07:588:1010:37
8:29
+0:05
24M
24.00 mi13:47:113:16:188:118:20
8:20
-0:09
40K
24.85 mi13:54:253:23:328:117:14
8:28
+0:08
25.2M
25.20 mi13:57:303:26:378:123:05
8:56
+0:28
Finish
26.22 mi14:05:353:34:428:128:05
7:56
-1:00

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

7:51 /mi

Average Pace

8:12 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:42

89% of race

Time at Steady Pace

24:00

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:11 /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 mi10:55:3224:397:5624:39
7:56
#16061
10K
6.21 mi11:19:5549:027:5324:23
7:51
#15605
15K
9.32 mi11:44:291:13:367:5424:34
7:54
#15469
20K
12.43 mi12:09:351:38:427:5725:06
8:05
#15481
Half
13.11 mi12:15:031:44:107:575:28
8:01
#15503
25K
15.53 mi12:34:392:03:467:5819:36
8:05
#15308
30K
18.64 mi13:01:022:30:098:0326:23
8:30
#15172
20M
20.00 mi13:12:492:41:568:0611:47
8:40
#15115
21M
21.00 mi13:21:572:51:048:099:08
9:08
#14998
35K
21.75 mi13:28:142:57:218:096:17
8:24
#14987
23M
23.00 mi13:38:513:07:588:1010:37
8:29
#14824
24M
24.00 mi13:47:113:16:188:118:20
8:20
#14736
40K
24.85 mi13:54:253:23:328:117:14
8:28
#14655
25.2M
25.20 mi13:57:303:26:378:123:05
8:56
#14592
Finish
26.22 mi14:05:353:34:428:128:05
7:56
#14484
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi160615182518215312(Top 54%)4756(Top 39%)4756(Top 87%)
10K6.21 mi3.10 mi15605+4564900+2824900+28215259(Top 54%)4696(Top 38%)4696(Top 86%)
15K9.32 mi3.11 mi15469+1364828+724828+7215312(Top 54%)4756(Top 39%)4756(Top 87%)
20K12.43 mi3.11 mi15481-124847-194847-1915500(Top 55%)4911(Top 40%)4911(Top 90%)
Half13.11 mi0.68 mi15503-224864-174864-1716019(Top 56%)5180(Top 42%)5180(Top 95%)
25K15.53 mi2.42 mi15308+1954778+864778+8614539(Top 51%)4504(Top 37%)4504(Top 82%)
30K18.64 mi3.11 mi15172+1364759+194759+1914700(Top 52%)4739(Top 39%)4739(Top 87%)
20M20.00 mi1.36 mi15115+574768-94768-914886(Top 52%)4980(Top 41%)4980(Top 91%)
21M21.00 mi1.00 mi14998+1174719+494719+4914284(Top 50%)4777(Top 39%)4777(Top 87%)
35K21.75 mi0.75 mi14987+114729-104729-1014869(Top 52%)5158(Top 42%)5158(Top 94%)
23M23.00 mi1.25 mi14824+1634664+654664+6513199(Top 46%)4376(Top 36%)4376(Top 80%)
24M24.00 mi1.00 mi14736+884651+134651+1313504(Top 48%)4570(Top 37%)4570(Top 84%)
40K24.85 mi0.85 mi14655+814630+214630+2113211(Top 47%)4556(Top 37%)4556(Top 83%)
25.2M25.20 mi0.35 mi14592+634614+164614+1611560(Top 41%)3797(Top 31%)3797(Top 69%)
Finish26.22 mi1.02 mi14484+1084583+314583+3112458(Top 44%)4166(Top 34%)4166(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

15312

Females

4756

F18-39

4756

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

15259

Females

4696

F18-39

4696

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

15312

Females

4756

F18-39

4756

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15500

Females

4911

F18-39

4911

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

16019

Females

5180

F18-39

5180

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

14539

Females

4504

F18-39

4504

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

14700

Females

4739

F18-39

4739

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

14886

Females

4980

F18-39

4980

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

14284

Females

4777

F18-39

4777

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

14869

Females

5158

F18-39

5158

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13199

Females

4376

F18-39

4376

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13504

Females

4570

F18-39

4570

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13211

Females

4556

F18-39

4556

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11560

Females

3797

F18-39

3797

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12458

Females

4166

F18-39

4166

Passing Analysis

Category:
Athletes Passed
2657
Passed By
1080
Net Change
+1577
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16061
5K → 10K591135+456#16061#15605
10K → 15K266130+136#15605#15469
15K → 20K204216-12#15469#15481
20K → Half2951-22#15481#15503
Half → 25K25560+195#15503#15308
25K → 30K301165+136#15308#15172
30K → 20M14790+57#15172#15115
20M → 21M16750+117#15115#14998
21M → 35K6049+11#14998#14987
35K → 23M19936+163#14987#14824
23M → 24M11830+88#14824#14736
24M → 40K11231+81#14736#14655
40K → 25.2M685+63#14655#14592
25.2M → Finish14032+108#14592#14484
TOTALS26571080+1577
📊

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