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BOSTON MARATHON 2025

Vina Yiu

Bib: 14564•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 33%
Gender (Female)
#0 / 12228
Top 16%
Division (F18-39)
#0 / 5469
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:08
Rank: #11766
Start → 5K
23:08 | 7:27/mi
10K· 6.21 mi
46:17
Rank: #11686 (+80)
5K → 10K
23:09 | 7:27/mi
15K· 9.32 mi
1:09:15
Rank: #11341 (+345)
10K → 15K
22:58 | 7:24/mi
20K· 12.43 mi
1:32:17
Rank: #10987 (+354)
15K → 20K
23:02 | 7:25/mi
Half· 13.11 mi
1:37:16
Rank: #10923 (+64)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:55:23
Rank: #10678 (+245)
Half → 25K
18:07 | 7:28/mi
30K· 18.64 mi
2:19:33
Rank: #10459 (+219)
25K → 30K
24:10 | 7:47/mi
20M
2:30:13
Rank: #10345 (+114)
30K → 20M
10:40 | 7:51/mi
21M
2:38:19
Rank: #10156 (+189)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:43:59
Rank: #10090 (+66)
21M → 35K
5:40 | 7:34/mi
23M
2:53:49
Rank: #9991 (+99)
35K → 23M
9:50 | 7:51/mi
24M
3:01:21
Rank: #9846 (+145)
23M → 24M
7:32 | 7:32/mi
40K· 24.85 mi
3:07:54
Rank: #9746 (+100)
24M → 40K
6:33 | 7:40/mi
25.2M
3:10:42
Rank: #9667 (+79)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:17:54
Rank: #9483 (+184)
25.2M → Finish
7:12 | 7:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:16
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:40:38
Pace7:41 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3923:087:2723:08
7:27
-
10K
6.21 mi11:16:4846:177:2723:09
7:27
0:00
15K
9.32 mi11:39:461:09:157:2622:58
7:24
-0:03
20K
12.43 mi12:02:481:32:177:2623:02
7:25
+0:01
Half
13.11 mi12:07:471:37:167:254:59
7:18
-0:07
25K
15.53 mi12:25:541:55:237:2618:07
7:28
+0:10
30K
18.64 mi12:50:042:19:337:2924:10
7:47
+0:19
20M
20.00 mi13:00:442:30:137:3110:40
7:51
+0:04
21M
21.00 mi13:08:502:38:197:328:06
8:06
+0:15
35K
21.75 mi13:14:302:43:597:325:40
7:34
-0:32
23M
23.00 mi13:24:202:53:497:339:50
7:51
+0:17
24M
24.00 mi13:31:523:01:217:337:32
7:32
-0:19
40K
24.85 mi13:38:253:07:547:346:33
7:40
+0:08
25.2M
25.20 mi13:41:133:10:427:342:48
8:07
+0:27
Finish
26.22 mi13:48:253:17:547:337:12
7:04
-1:03

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

7:04 /mi

Average Pace

7:33 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:20

72% of race

Time at Steady Pace

55:34

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:33 /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 mi10:53:3923:087:2723:08
7:27
#11766
10K
6.21 mi11:16:4846:177:2723:09
7:27
#11686
15K
9.32 mi11:39:461:09:157:2622:58
7:24
#11341
20K
12.43 mi12:02:481:32:177:2623:02
7:25
#10987
Half
13.11 mi12:07:471:37:167:254:59
7:18
#10923
25K
15.53 mi12:25:541:55:237:2618:07
7:28
#10678
30K
18.64 mi12:50:042:19:337:2924:10
7:47
#10459
20M
20.00 mi13:00:442:30:137:3110:40
7:51
#10345
21M
21.00 mi13:08:502:38:197:328:06
8:06
#10156
35K
21.75 mi13:14:302:43:597:325:40
7:34
#10090
23M
23.00 mi13:24:202:53:497:339:50
7:51
#9991
24M
24.00 mi13:31:523:01:217:337:32
7:32
#9846
40K
24.85 mi13:38:253:07:547:346:33
7:40
#9746
25.2M
25.20 mi13:41:133:10:427:342:48
8:07
#9667
Finish
26.22 mi13:48:253:17:547:337:12
7:04
#9483
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi117662661266110815(Top 38%)2278(Top 19%)2278(Top 42%)
10K6.21 mi3.10 mi11686+802641+202641+2011650(Top 41%)2637(Top 22%)2637(Top 48%)
15K9.32 mi3.11 mi11341+3452492+1492492+14910815(Top 38%)2278(Top 19%)2278(Top 42%)
20K12.43 mi3.11 mi10987+3542331+1612331+16110028(Top 35%)1973(Top 16%)1973(Top 36%)
Half13.11 mi0.68 mi10923+642304+272304+2710096(Top 36%)2002(Top 16%)2002(Top 37%)
25K15.53 mi2.42 mi10678+2452218+862218+869750(Top 34%)1999(Top 16%)1999(Top 37%)
30K18.64 mi3.11 mi10459+2192180+382180+389776(Top 34%)2178(Top 18%)2178(Top 40%)
20M20.00 mi1.36 mi10345+1142170+102170+109384(Top 33%)2163(Top 18%)2163(Top 40%)
21M21.00 mi1.00 mi10156+1892114+562114+567991(Top 28%)1730(Top 14%)1730(Top 32%)
35K21.75 mi0.75 mi10090+662112+22112+29187(Top 32%)2209(Top 18%)2209(Top 40%)
23M23.00 mi1.25 mi9991+992106+62106+68975(Top 32%)2241(Top 18%)2241(Top 41%)
24M24.00 mi1.00 mi9846+1452062+442062+447970(Top 28%)1855(Top 15%)1855(Top 34%)
40K24.85 mi0.85 mi9746+1002049+132049+137860(Top 28%)1925(Top 16%)1925(Top 35%)
25.2M25.20 mi0.35 mi9667+792029+202029+206681(Top 24%)1509(Top 12%)1509(Top 28%)
Finish26.22 mi1.02 mi9483+1841989+401989+406194(Top 22%)1327(Top 11%)1327(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10815

Females

2278

F18-39

2278

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

11650

Females

2637

F18-39

2637

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10815

Females

2278

F18-39

2278

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

10028

Females

1973

F18-39

1973

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

10096

Females

2002

F18-39

2002

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9750

Females

1999

F18-39

1999

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9776

Females

2178

F18-39

2178

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

9384

Females

2163

F18-39

2163

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7991

Females

1730

F18-39

1730

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

9187

Females

2209

F18-39

2209

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8975

Females

2241

F18-39

2241

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7970

Females

1855

F18-39

1855

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7860

Females

1925

F18-39

1925

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6681

Females

1509

F18-39

1509

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6194

Females

1327

F18-39

1327

Passing Analysis

Category:
Athletes Passed
2945*
Passed By
662
Net Change
+2283
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11766
5K → 10K293213+80#11766#11686
10K → 15K39247+345#11686#11341
15K → 20K38329+354#11341#10987
20K → Half7410+64#10987#10923
Half → 25K28237+245#10923#10678
25K → 30K332113+219#10678#10459
30K → 20M18066+114#10459#10345
20M → 21M20617+189#10345#10156
21M → 35K9529+66#10156#10090
35K → 23M145*46+99#10090#9991
23M → 24M15914+145#9991#9846
24M → 40K12020+100#9846#9746
40K → 25.2M878+79#9746#9667
25.2M → Finish19713+184#9667#9483
TOTALS2945*662+2283

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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