Boston Marathon logo
BOSTON MARATHON 2025

Vivian Hu

Bib: 14951•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
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
23:47
Rank: #13581
Start → 5K
23:47 | 7:39/mi
10K· 6.21 mi
48:04
Rank: #14209 (-628)
5K → 10K
24:17 | 7:49/mi
15K· 9.32 mi
1:12:29
Rank: #14435 (-226)
10K → 15K
24:25 | 7:52/mi
20K· 12.43 mi
1:37:42
Rank: #14771 (-336)
15K → 20K
25:13 | 8:07/mi
Half· 13.11 mi
1:43:10
Rank: #14831 (-60)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:03:00
Rank: #14890 (-59)
Half → 25K
19:50 | 8:11/mi
30K· 18.64 mi
2:29:15
Rank: #14799 (+91)
25K → 30K
26:15 | 8:27/mi
20M
2:40:39
Rank: #14612 (+187)
30K → 20M
11:24 | 8:23/mi
21M
2:49:17
Rank: #14364 (+248)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
2:55:10
Rank: #14234 (+130)
21M → 35K
5:53 | 7:52/mi
23M
3:05:25
Rank: #14025 (+209)
35K → 23M
10:15 | 8:11/mi
24M
3:13:33
Rank: #13925 (+100)
23M → 24M
8:08 | 8:08/mi
40K· 24.85 mi
3:20:44
Rank: #13856 (+69)
24M → 40K
7:11 | 8:24/mi
25.2M
3:23:57
Rank: #13833 (+23)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:32:31
Rank: #13896 (-63)
25.2M → Finish
8:34 | 8:24/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:10
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:49:21
Pace8:20 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3723:477:3923:47
7:39
-
10K
6.21 mi11:18:5448:047:4424:17
7:49
+0:10
15K
9.32 mi11:43:191:12:297:4724:25
7:52
+0:03
20K
12.43 mi12:08:321:37:427:5225:13
8:07
+0:15
Half
13.11 mi12:14:001:43:107:525:28
8:01
-0:06
25K
15.53 mi12:33:502:03:007:5519:50
8:11
+0:10
30K
18.64 mi13:00:052:29:158:0026:15
8:27
+0:16
20M
20.00 mi13:11:292:40:398:0211:24
8:23
-0:04
21M
21.00 mi13:20:072:49:178:048:38
8:38
+0:15
35K
21.75 mi13:26:002:55:108:035:53
7:52
-0:46
23M
23.00 mi13:36:153:05:258:0410:15
8:11
+0:19
24M
24.00 mi13:44:233:13:338:048:08
8:08
-0:03
40K
24.85 mi13:51:343:20:448:057:11
8:24
+0:16
25.2M
25.20 mi13:54:473:23:578:063:13
9:20
+0:56
Finish
26.22 mi14:03:213:32:318:078:34
8:24
-0:56

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

7:39 /mi

Average Pace

8:07 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:22

37% of race

Time at Steady Pace

1:08:54

32% of race

Time at Slower Pace

1:05:15

31% of race

Average Pace: 8:06 /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 mi10:54:3723:477:3923:47
7:39
#13581
10K
6.21 mi11:18:5448:047:4424:17
7:49
#14209
15K
9.32 mi11:43:191:12:297:4724:25
7:52
#14435
20K
12.43 mi12:08:321:37:427:5225:13
8:07
#14771
Half
13.11 mi12:14:001:43:107:525:28
8:01
#14831
25K
15.53 mi12:33:502:03:007:5519:50
8:11
#14890
30K
18.64 mi13:00:052:29:158:0026:15
8:27
#14799
20M
20.00 mi13:11:292:40:398:0211:24
8:23
#14612
21M
21.00 mi13:20:072:49:178:048:38
8:38
#14364
35K
21.75 mi13:26:002:55:108:035:53
7:52
#14234
23M
23.00 mi13:36:153:05:258:0410:15
8:11
#14025
24M
24.00 mi13:44:233:13:338:048:08
8:08
#13925
40K
24.85 mi13:51:343:20:448:057:11
8:24
#13856
25.2M
25.20 mi13:54:473:23:578:063:13
9:20
#13833
Finish
26.22 mi14:03:213:32:318:078:34
8:24
#13896
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi135813645364514906(Top 52%)4533(Top 37%)4533(Top 83%)
10K6.21 mi3.10 mi14209-6284062-4174062-41714981(Top 53%)4526(Top 37%)4526(Top 83%)
15K9.32 mi3.11 mi14435-2264220-1584220-15814906(Top 52%)4533(Top 37%)4533(Top 83%)
20K12.43 mi3.11 mi14771-3364456-2364456-23615747(Top 55%)5056(Top 41%)5056(Top 92%)
Half13.11 mi0.68 mi14831-604494-384494-3816005(Top 56%)5166(Top 42%)5166(Top 94%)
25K15.53 mi2.42 mi14890-594562-684562-6815175(Top 53%)4830(Top 39%)4830(Top 88%)
30K18.64 mi3.11 mi14799+914561+14561+114447(Top 51%)4605(Top 38%)4605(Top 84%)
20M20.00 mi1.36 mi14612+1874479+824479+8213103(Top 46%)4038(Top 33%)4038(Top 74%)
21M21.00 mi1.00 mi14364+2484360+1194360+11911319(Top 40%)3261(Top 27%)3261(Top 60%)
35K21.75 mi0.75 mi14234+1304312+484312+4811370(Top 40%)3322(Top 27%)3322(Top 61%)
23M23.00 mi1.25 mi14025+2094234+784234+7811323(Top 40%)3402(Top 28%)3402(Top 62%)
24M24.00 mi1.00 mi13925+1004220+144220+1412170(Top 43%)3886(Top 32%)3886(Top 71%)
40K24.85 mi0.85 mi13856+694217+34217+312829(Top 45%)4349(Top 36%)4349(Top 80%)
25.2M25.20 mi0.35 mi13833+234215+24215+213656(Top 48%)4836(Top 40%)4836(Top 88%)
Finish26.22 mi1.02 mi13896-634265-504265-5015636(Top 55%)5818(Top 48%)5818(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

14906

Females

4533

F18-39

4533

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

14981

Females

4526

F18-39

4526

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

14906

Females

4533

F18-39

4533

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15747

Females

5056

F18-39

5056

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

16005

Females

5166

F18-39

5166

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

15175

Females

4830

F18-39

4830

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

14447

Females

4605

F18-39

4605

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

13103

Females

4038

F18-39

4038

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

11319

Females

3261

F18-39

3261

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

11370

Females

3322

F18-39

3322

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

11323

Females

3402

F18-39

3402

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

12170

Females

3886

F18-39

3886

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12829

Females

4349

F18-39

4349

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13656

Females

4836

F18-39

4836

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15636

Females

5818

F18-39

5818

Passing Analysis

Category:
Athletes Passed
2037
Passed By
2352
Net Change
-315
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13581
5K → 10K103731-628#13581#14209
10K → 15K130356-226#14209#14435
15K → 20K122458-336#14435#14771
20K → Half1777-60#14771#14831
Half → 25K164223-59#14831#14890
25K → 30K289198+91#14890#14799
30K → 20M22942+187#14799#14612
20M → 21M26416+248#14612#14364
21M → 35K14212+130#14364#14234
35K → 23M22920+209#14234#14025
23M → 24M13434+100#14025#13925
24M → 40K11950+69#13925#13856
40K → 25.2M4522+23#13856#13833
25.2M → Finish50113-63#13833#13896
TOTALS20372352-315
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing