Boston Marathon logo
BOSTON MARATHON 2025

Aoife Kavanagh

Bib: 18209•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 32%
Gender (Female)
#0 / 12228
Top 14%
Division (F18-39)
#0 / 5469
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:37
Rank: #13138
Start → 5K
23:37 | 7:36/mi
10K· 6.21 mi
47:03
Rank: #12768 (+370)
5K → 10K
23:26 | 7:33/mi
15K· 9.32 mi
1:10:07
Rank: #12187 (+581)
10K → 15K
23:04 | 7:25/mi
20K· 12.43 mi
1:33:33
Rank: #11874 (+313)
15K → 20K
23:26 | 7:33/mi
Half· 13.11 mi
1:38:32
Rank: #11775 (+99)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:56:28
Rank: #11305 (+470)
Half → 25K
17:56 | 7:24/mi
30K· 18.64 mi
2:19:42
Rank: #10528 (+777)
25K → 30K
23:14 | 7:29/mi
20M
2:30:00
Rank: #10254 (+274)
30K → 20M
10:18 | 7:35/mi
21M
2:37:49
Rank: #9938 (+316)
20M → 21M
7:49 | 7:49/mi
35K· 21.75 mi
2:43:10
Rank: #9749 (+189)
21M → 35K
5:21 | 7:09/mi
23M
2:52:30
Rank: #9497 (+252)
35K → 23M
9:20 | 7:27/mi
24M
3:00:00
Rank: #9376 (+121)
23M → 24M
7:30 | 7:30/mi
40K· 24.85 mi
3:06:29
Rank: #9262 (+114)
24M → 40K
6:29 | 7:35/mi
25.2M
3:09:18
Rank: #9200 (+62)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:16:22
Rank: #8980 (+220)
25.2M → Finish
7:04 | 6:56/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 Half⚖️ Balanced
Distance13.11 mi
Time1:38:32
Pace7:31 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:37:50
Pace7:28 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3723:377:3623:37
7:36
-
10K
6.21 mi11:38:0347:037:3423:26
7:33
-0:03
15K
9.32 mi12:01:071:10:077:3123:04
7:25
-0:08
20K
12.43 mi12:24:331:33:337:3223:26
7:33
+0:08
Half
13.11 mi12:29:321:38:327:314:59
7:18
-0:15
25K
15.53 mi12:47:281:56:287:3017:56
7:24
+0:06
30K
18.64 mi13:10:422:19:427:3023:14
7:29
+0:05
20M
20.00 mi13:21:002:30:007:3010:18
7:35
+0:06
21M
21.00 mi13:28:492:37:497:317:49
7:49
+0:14
35K
21.75 mi13:34:102:43:107:305:21
7:09
-0:40
23M
23.00 mi13:43:302:52:307:309:20
7:27
+0:18
24M
24.00 mi13:51:003:00:007:307:30
7:30
+0:03
40K
24.85 mi13:57:293:06:297:306:29
7:35
+0:05
25.2M
25.20 mi14:00:183:09:187:312:49
8:10
+0:35
Finish
26.22 mi14:07:223:16:227:307:04
6:56
-1:14

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

6:56 /mi

Average Pace

7:30 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:44

95% of race

Time at Steady Pace

10:38

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:29 /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 mi11:14:3723:377:3623:37
7:36
#13138
10K
6.21 mi11:38:0347:037:3423:26
7:33
#12768
15K
9.32 mi12:01:071:10:077:3123:04
7:25
#12187
20K
12.43 mi12:24:331:33:337:3223:26
7:33
#11874
Half
13.11 mi12:29:321:38:327:314:59
7:18
#11775
25K
15.53 mi12:47:281:56:287:3017:56
7:24
#11305
30K
18.64 mi13:10:422:19:427:3023:14
7:29
#10528
20M
20.00 mi13:21:002:30:007:3010:18
7:35
#10254
21M
21.00 mi13:28:492:37:497:317:49
7:49
#9938
35K
21.75 mi13:34:102:43:107:305:21
7:09
#9749
23M
23.00 mi13:43:302:52:307:309:20
7:27
#9497
24M
24.00 mi13:51:003:00:007:307:30
7:30
#9376
40K
24.85 mi13:57:293:06:297:306:29
7:35
#9262
25.2M
25.20 mi14:00:183:09:187:312:49
8:10
#9200
Finish
26.22 mi14:07:223:16:227:307:04
6:56
#8980
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi131383388338811103(Top 39%)2417(Top 20%)2417(Top 44%)
10K6.21 mi3.10 mi12768+3703208+1803208+18012493(Top 44%)3081(Top 25%)3081(Top 56%)
15K9.32 mi3.11 mi12187+5812938+2702938+27011103(Top 39%)2417(Top 20%)2417(Top 44%)
20K12.43 mi3.11 mi11874+3132802+1362802+13611109(Top 39%)2528(Top 21%)2528(Top 46%)
Half13.11 mi0.68 mi11775+992756+462756+4610081(Top 35%)1987(Top 16%)1987(Top 36%)
25K15.53 mi2.42 mi11305+4702537+2192537+2199142(Top 32%)1698(Top 14%)1698(Top 31%)
30K18.64 mi3.11 mi10528+7772220+3172220+3177606(Top 27%)1241(Top 10%)1241(Top 23%)
20M20.00 mi1.36 mi10254+2742121+992121+997565(Top 27%)1366(Top 11%)1366(Top 25%)
21M21.00 mi1.00 mi9938+3161995+1261995+1266322(Top 22%)1039(Top 8%)1039(Top 19%)
35K21.75 mi0.75 mi9749+1891929+661929+666356(Top 22%)1064(Top 9%)1064(Top 19%)
23M23.00 mi1.25 mi9497+2521854+751854+756398(Top 23%)1166(Top 10%)1166(Top 21%)
24M24.00 mi1.00 mi9376+1211836+181836+187718(Top 27%)1751(Top 14%)1751(Top 32%)
40K24.85 mi0.85 mi9262+1141823+131823+137337(Top 26%)1689(Top 14%)1689(Top 31%)
25.2M25.20 mi0.35 mi9200+621815+81815+86947(Top 24%)1619(Top 13%)1619(Top 30%)
Finish26.22 mi1.02 mi8980+2201758+571758+575356(Top 19%)1002(Top 8%)1002(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

11103

Females

2417

F18-39

2417

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

12493

Females

3081

F18-39

3081

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

11103

Females

2417

F18-39

2417

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

11109

Females

2528

F18-39

2528

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

10081

Females

1987

F18-39

1987

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

9142

Females

1698

F18-39

1698

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7606

Females

1241

F18-39

1241

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7565

Females

1366

F18-39

1366

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6322

Females

1039

F18-39

1039

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6356

Females

1064

F18-39

1064

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6398

Females

1166

F18-39

1166

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7718

Females

1751

F18-39

1751

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7337

Females

1689

F18-39

1689

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6947

Females

1619

F18-39

1619

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5356

Females

1002

F18-39

1002

Passing Analysis

Category:
Athletes Passed
4479*
Passed By
321
Net Change
+4158
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13138
5K → 10K514144+370#13138#12768
10K → 15K60928+581#12768#12187
15K → 20K36451+313#12187#11874
20K → Half1001+99#11874#11775
Half → 25K4744+470#11775#11305
25K → 30K7792+777#11305#10528
30K → 20M2839+274#10528#10254
20M → 21M321*5+316#10254#9938
21M → 35K1945+189#9938#9749
35K → 23M26311+252#9749#9497
23M → 24M14019+121#9497#9376
24M → 40K13925+114#9376#9262
40K → 25.2M7311+62#9262#9200
25.2M → Finish2266+220#9200#8980
TOTALS4479*321+4158

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

📊

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