Boston Marathon logo
BOSTON MARATHON 2025

Allison Vanoosten

Bib: 9380•F

MI

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 12%
Gender (Female)
#0 / 12228
Top 2%
Division (F18-39)
#0 / 5469
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:59
Rank: #5962
Start → 5K
20:59 | 6:45/mi
10K· 6.21 mi
41:22
Rank: #4995 (+967)
5K → 10K
20:23 | 6:34/mi
15K· 9.32 mi
1:01:48
Rank: #4640 (+355)
10K → 15K
20:26 | 6:35/mi
20K· 12.43 mi
1:22:14
Rank: #4316 (+324)
15K → 20K
20:26 | 6:35/mi
Half· 13.11 mi
1:26:42
Rank: #4284 (+32)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:42:39
Rank: #4056 (+228)
Half → 25K
15:57 | 6:35/mi
30K· 18.64 mi
2:03:35
Rank: #3830 (+226)
25K → 30K
20:56 | 6:44/mi
20M
2:12:55
Rank: #3742 (+88)
30K → 20M
9:20 | 6:52/mi
21M
2:20:02
Rank: #3664 (+78)
20M → 21M
7:07 | 7:07/mi
35K· 21.75 mi
2:25:12
Rank: #3679 (-15)
21M → 35K
5:10 | 6:54/mi
23M
2:34:02
Rank: #3657 (+22)
35K → 23M
8:50 | 7:03/mi
24M
2:40:50
Rank: #3623 (+34)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:46:50
Rank: #3613 (+10)
24M → 40K
6:00 | 7:01/mi
25.2M
2:49:24
Rank: #3578 (+35)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:56:12
Rank: #3545 (+33)
25.2M → Finish
6:48 | 6:40/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
Time1:26:42
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:29:30
Pace6:50 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1920:596:4520:59
6:45
-
10K
6.21 mi11:06:4241:226:3920:23
6:34
-0:11
15K
9.32 mi11:27:081:01:486:3820:26
6:35
+0:01
20K
12.43 mi11:47:341:22:146:3720:26
6:35
0:00
Half
13.11 mi11:52:021:26:426:374:28
6:33
-0:02
25K
15.53 mi12:07:591:42:396:3615:57
6:35
+0:02
30K
18.64 mi12:28:552:03:356:3820:56
6:44
+0:09
20M
20.00 mi12:38:152:12:556:399:20
6:52
+0:08
21M
21.00 mi12:45:222:20:026:407:07
7:07
+0:15
35K
21.75 mi12:50:322:25:126:415:10
6:54
-0:13
23M
23.00 mi12:59:222:34:026:428:50
7:03
+0:09
24M
24.00 mi13:06:102:40:506:426:48
6:48
-0:15
40K
24.85 mi13:12:102:46:506:436:00
7:01
+0:13
25.2M
25.20 mi13:14:442:49:246:432:34
7:27
+0:26
Finish
26.22 mi13:21:322:56:126:446:48
6:40
-0:47

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

6:33 /mi

Average Pace

6:44 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:38

99% of race

Time at Steady Pace

2:34

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:43 /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 mi10:46:1920:596:4520:59
6:45
#5962
10K
6.21 mi11:06:4241:226:3920:23
6:34
#4995
15K
9.32 mi11:27:081:01:486:3820:26
6:35
#4640
20K
12.43 mi11:47:341:22:146:3720:26
6:35
#4316
Half
13.11 mi11:52:021:26:426:374:28
6:33
#4284
25K
15.53 mi12:07:591:42:396:3615:57
6:35
#4056
30K
18.64 mi12:28:552:03:356:3820:56
6:44
#3830
20M
20.00 mi12:38:152:12:556:399:20
6:52
#3742
21M
21.00 mi12:45:222:20:026:407:07
7:07
#3664
35K
21.75 mi12:50:322:25:126:415:10
6:54
#3679
23M
23.00 mi12:59:222:34:026:428:50
7:03
#3657
24M
24.00 mi13:06:102:40:506:426:48
6:48
#3623
40K
24.85 mi13:12:102:46:506:436:00
7:01
#3613
25.2M
25.20 mi13:14:442:49:246:432:34
7:27
#3578
Finish
26.22 mi13:21:322:56:126:446:48
6:40
#3545
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi59624664664081(Top 14%)232(Top 2%)232(Top 4%)
10K6.21 mi3.10 mi4995+967327+139327+1394169(Top 15%)240(Top 2%)240(Top 4%)
15K9.32 mi3.11 mi4640+355286+41286+414081(Top 14%)232(Top 2%)232(Top 4%)
20K12.43 mi3.11 mi4316+324253+33253+333574(Top 13%)186(Top 2%)186(Top 3%)
Half13.11 mi0.68 mi4284+32252+1252+14080(Top 14%)236(Top 2%)236(Top 4%)
25K15.53 mi2.42 mi4056+228236+16236+163355(Top 12%)178(Top 1%)178(Top 3%)
30K18.64 mi3.11 mi3830+226212+24212+243087(Top 11%)180(Top 1%)180(Top 3%)
20M20.00 mi1.36 mi3742+88211+1211+13349(Top 12%)239(Top 2%)239(Top 4%)
21M21.00 mi1.00 mi3664+78208+3208+32794(Top 10%)191(Top 2%)191(Top 3%)
35K21.75 mi0.75 mi3679-15212-4212-44807(Top 17%)545(Top 4%)545(Top 10%)
23M23.00 mi1.25 mi3657+22215-3215-34101(Top 14%)429(Top 4%)429(Top 8%)
24M24.00 mi1.00 mi3623+34220-5220-53546(Top 12%)355(Top 3%)355(Top 6%)
40K24.85 mi0.85 mi3613+10231-11231-114050(Top 14%)504(Top 4%)504(Top 9%)
25.2M25.20 mi0.35 mi3578+35229+2229+23217(Top 11%)354(Top 3%)354(Top 6%)
Finish26.22 mi1.02 mi3545+33230-1230-13751(Top 13%)485(Top 4%)485(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

4081

Females

232

F18-39

232

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4169

Females

240

F18-39

240

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

4081

Females

232

F18-39

232

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3574

Females

186

F18-39

186

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

4080

Females

236

F18-39

236

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3355

Females

178

F18-39

178

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3087

Females

180

F18-39

180

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3349

Females

239

F18-39

239

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2794

Females

191

F18-39

191

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4807

Females

545

F18-39

545

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

4101

Females

429

F18-39

429

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3546

Females

355

F18-39

355

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

4050

Females

504

F18-39

504

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3217

Females

354

F18-39

354

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3751

Females

485

F18-39

485

Passing Analysis

Category:
Athletes Passed
2722
Passed By
305
Net Change
+2417
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5962
5K → 10K97912+967#5962#4995
10K → 15K3649+355#4995#4640
15K → 20K3306+324#4640#4316
20K → Half408+32#4316#4284
Half → 25K2379+228#4284#4056
25K → 30K24721+226#4056#3830
30K → 20M11022+88#3830#3742
20M → 21M879+78#3742#3664
21M → 35K2944-15#3664#3679
35K → 23M6745+22#3679#3657
23M → 24M6834+34#3657#3623
24M → 40K5343+10#3623#3613
40K → 25.2M4712+35#3613#3578
25.2M → Finish6431+33#3578#3545
TOTALS2722305+2417
📊

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