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BOSTON MARATHON 2025

Fuyu Yin

Bib: 14541•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 20%
Division (F18-39)
#0 / 5469
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:53
Rank: #11021
Start → 5K
22:53 | 7:22/mi
10K· 6.21 mi
45:39
Rank: #10745 (+276)
5K → 10K
22:46 | 7:20/mi
15K· 9.32 mi
1:08:38
Rank: #10755 (-10)
10K → 15K
22:59 | 7:24/mi
20K· 12.43 mi
1:32:00
Rank: #10784 (-29)
15K → 20K
23:22 | 7:31/mi
Half· 13.11 mi
1:37:05
Rank: #10812 (-28)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:56:24
Rank: #11275 (-463)
Half → 25K
19:19 | 7:58/mi
30K· 18.64 mi
2:20:53
Rank: #11099 (+176)
25K → 30K
24:29 | 7:53/mi
20M
2:31:49
Rank: #11010 (+89)
30K → 20M
10:56 | 8:03/mi
21M
2:40:20
Rank: #10952 (+58)
20M → 21M
8:31 | 8:31/mi
35K· 21.75 mi
2:46:06
Rank: #10902 (+50)
21M → 35K
5:46 | 7:42/mi
23M
2:56:05
Rank: #10784 (+118)
35K → 23M
9:59 | 7:58/mi
24M
3:03:42
Rank: #10651 (+133)
23M → 24M
7:37 | 7:37/mi
40K· 24.85 mi
3:10:25
Rank: #10568 (+83)
24M → 40K
6:43 | 7:51/mi
25.2M
3:13:23
Rank: #10517 (+51)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:20:58
Rank: #10424 (+93)
25.2M → Finish
7:35 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:05
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:43:53
Pace7:55 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3022:537:2222:53
7:22
-
10K
6.21 mi11:16:1645:397:2122:46
7:20
-0:02
15K
9.32 mi11:39:151:08:387:2222:59
7:24
+0:04
20K
12.43 mi12:02:371:32:007:2423:22
7:31
+0:07
Half
13.11 mi12:07:421:37:057:245:05
7:27
-0:04
25K
15.53 mi12:27:011:56:247:3019:19
7:58
+0:31
30K
18.64 mi12:51:302:20:537:3324:29
7:53
-0:05
20M
20.00 mi13:02:262:31:497:3510:56
8:03
+0:10
21M
21.00 mi13:10:572:40:207:388:31
8:31
+0:28
35K
21.75 mi13:16:432:46:067:385:46
7:42
-0:49
23M
23.00 mi13:26:422:56:057:399:59
7:58
+0:16
24M
24.00 mi13:34:193:03:427:397:37
7:37
-0:21
40K
24.85 mi13:41:023:10:257:406:43
7:51
+0:14
25.2M
25.20 mi13:44:003:13:237:402:58
8:36
+0:45
Finish
26.22 mi13:51:353:20:587:407:35
7:26
-1:10

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

7:20 /mi

Average Pace

7:40 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:29

94% of race

Time at Steady Pace

11:29

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:40 /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 mi10:53:3022:537:2222:53
7:22
#11021
10K
6.21 mi11:16:1645:397:2122:46
7:20
#10745
15K
9.32 mi11:39:151:08:387:2222:59
7:24
#10755
20K
12.43 mi12:02:371:32:007:2423:22
7:31
#10784
Half
13.11 mi12:07:421:37:057:245:05
7:27
#10812
25K
15.53 mi12:27:011:56:247:3019:19
7:58
#11275
30K
18.64 mi12:51:302:20:537:3324:29
7:53
#11099
20M
20.00 mi13:02:262:31:497:3510:56
8:03
#11010
21M
21.00 mi13:10:572:40:207:388:31
8:31
#10952
35K
21.75 mi13:16:432:46:067:385:46
7:42
#10902
23M
23.00 mi13:26:422:56:057:399:59
7:58
#10784
24M
24.00 mi13:34:193:03:427:397:37
7:37
#10651
40K
24.85 mi13:41:023:10:257:406:43
7:51
#10568
25.2M
25.20 mi13:44:003:13:237:402:58
8:36
#10517
Finish
26.22 mi13:51:353:20:587:407:35
7:26
#10424
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi110212296229610875(Top 38%)2313(Top 19%)2313(Top 42%)
10K6.21 mi3.10 mi10745+2762179+1172179+11710579(Top 37%)2100(Top 17%)2100(Top 38%)
15K9.32 mi3.11 mi10755-102206-272206-2710875(Top 38%)2313(Top 19%)2313(Top 42%)
20K12.43 mi3.11 mi10784-292231-252231-2510960(Top 39%)2453(Top 20%)2453(Top 45%)
Half13.11 mi0.68 mi10812-282245-142245-1411368(Top 40%)2613(Top 21%)2613(Top 48%)
25K15.53 mi2.42 mi11275-4632523-2782523-27813627(Top 48%)4013(Top 33%)4013(Top 73%)
30K18.64 mi3.11 mi11099+1762518+52518+510503(Top 37%)2541(Top 21%)2541(Top 46%)
20M20.00 mi1.36 mi11010+892518251810759(Top 38%)2806(Top 23%)2806(Top 51%)
21M21.00 mi1.00 mi10952+582523-52523-510593(Top 37%)2896(Top 24%)2896(Top 53%)
35K21.75 mi0.75 mi10902+502525-22525-210162(Top 36%)2680(Top 22%)2680(Top 49%)
23M23.00 mi1.25 mi10784+1182499+262499+269868(Top 35%)2672(Top 22%)2672(Top 49%)
24M24.00 mi1.00 mi10651+1332471+282471+288565(Top 30%)2127(Top 17%)2127(Top 39%)
40K24.85 mi0.85 mi10568+832447+242447+249207(Top 32%)2551(Top 21%)2551(Top 47%)
25.2M25.20 mi0.35 mi10517+512439+82439+89481(Top 33%)2758(Top 23%)2758(Top 50%)
Finish26.22 mi1.02 mi10424+932429+102429+108807(Top 31%)2445(Top 20%)2445(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10875

Females

2313

F18-39

2313

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10579

Females

2100

F18-39

2100

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10875

Females

2313

F18-39

2313

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

10960

Females

2453

F18-39

2453

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

11368

Females

2613

F18-39

2613

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

13627

Females

4013

F18-39

4013

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

10503

Females

2541

F18-39

2541

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10759

Females

2806

F18-39

2806

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

10593

Females

2896

F18-39

2896

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

10162

Females

2680

F18-39

2680

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9868

Females

2672

F18-39

2672

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8565

Females

2127

F18-39

2127

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9207

Females

2551

F18-39

2551

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9481

Females

2758

F18-39

2758

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8807

Females

2445

F18-39

2445

Passing Analysis

Category:
Athletes Passed
2141
Passed By
1544
Net Change
+597
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11021
5K → 10K417141+276#11021#10745
10K → 15K166176-10#10745#10755
15K → 20K164193-29#10755#10784
20K → Half2351-28#10784#10812
Half → 25K74537-463#10812#11275
25K → 30K317141+176#11275#11099
30K → 20M16273+89#11099#11010
20M → 21M12466+58#11010#10952
21M → 35K8030+50#10952#10902
35K → 23M15739+118#10902#10784
23M → 24M15421+133#10784#10651
24M → 40K10926+83#10651#10568
40K → 25.2M6514+51#10568#10517
25.2M → Finish12936+93#10517#10424
TOTALS21411544+597
📊

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