Boston Marathon logo
BOSTON MARATHON 2025

Kellie Buccetti

Bib: 13304•F

CT

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
22:29
Rank: #9810
Start → 5K
7:14/mi
22:29 split
10K· 6.21 mi
45:08
Rank: #10024 (-214)
5K → 10K
7:17/mi
22:39 split
15K· 9.32 mi
1:07:42
Rank: #9891 (+133)
10K → 15K
7:16/mi
22:34 split
20K· 12.43 mi
1:30:17
Rank: #9547 (+344)
15K → 20K
7:16/mi
22:35 split
Half· 13.11 mi
1:35:10
Rank: #9496 (+51)
20K → Half
7:09/mi
4:53 split
25K· 15.53 mi
1:52:45
Rank: #9210 (+286)
Half → 25K
7:15/mi
17:35 split
30K· 18.64 mi
2:16:02
Rank: #8810 (+400)
25K → 30K
7:30/mi
23:17 split
20M
2:26:24
Rank: #8708 (+102)
30K → 20M
7:38/mi
10:22 split
21M
2:34:12
Rank: #8484 (+224)
20M → 21M
7:48/mi
7:48 split
35K· 21.75 mi
2:39:51
Rank: #8476 (+8)
21M → 35K
7:33/mi
5:39 split
23M
2:49:35
Rank: #8407 (+69)
35K → 23M
7:46/mi
9:44 split
24M
2:57:27
Rank: #8461 (-54)
23M → 24M
7:52/mi
7:52 split
40K· 24.85 mi
3:04:34
Rank: #8600 (-139)
24M → 40K
8:19/mi
7:07 split
25.2M
3:07:43
Rank: #8659 (-59)
40K → 25.2M
9:08/mi
3:09 split
Finish· 26.22 mi
3:16:19
Rank: #8960 (-301)
25.2M → Finish
8:26/mi
8:36 split

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
Time1:35:10
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:41:09
Pace7:43 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5122:297:1422:29
7:14
-
10K
6.21 mi11:14:3045:087:1622:39
7:17
+0:03
15K
9.32 mi11:37:041:07:427:1622:34
7:16
-0:01
20K
12.43 mi11:59:391:30:177:1622:35
7:16
0:00
Half
13.11 mi12:04:321:35:107:164:53
7:09
-0:07
25K
15.53 mi12:22:071:52:457:1517:35
7:15
+0:06
30K
18.64 mi12:45:242:16:027:1823:17
7:30
+0:15
20M
20.00 mi12:55:462:26:247:1910:22
7:38
+0:08
21M
21.00 mi13:03:342:34:127:217:48
7:48
+0:10
35K
21.75 mi13:09:132:39:517:215:39
7:33
-0:15
23M
23.00 mi13:18:572:49:357:229:44
7:46
+0:13
24M
24.00 mi13:26:492:57:277:247:52
7:52
+0:06
40K
24.85 mi13:33:563:04:347:267:07
8:19
+0:27
25.2M
25.20 mi13:37:053:07:437:273:09
9:08
+0:49
Finish
26.22 mi13:45:413:16:197:308:36
8:26
-0:42

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

7:09 /mi

Average Pace

7:30 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:06

46% of race

Time at Steady Pace

1:19:29

40% of race

Time at Slower Pace

26:44

14% 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 mi10:51:5122:297:1422:29
7:14
#9810
10K
6.21 mi11:14:3045:087:1622:39
7:17
#10024
15K
9.32 mi11:37:041:07:427:1622:34
7:16
#9891
20K
12.43 mi11:59:391:30:177:1622:35
7:16
#9547
Half
13.11 mi12:04:321:35:107:164:53
7:09
#9496
25K
15.53 mi12:22:071:52:457:1517:35
7:15
#9210
30K
18.64 mi12:45:242:16:027:1823:17
7:30
#8810
20M
20.00 mi12:55:462:26:247:1910:22
7:38
#8708
21M
21.00 mi13:03:342:34:127:217:48
7:48
#8484
35K
21.75 mi13:09:132:39:517:215:39
7:33
#8476
23M
23.00 mi13:18:572:49:357:229:44
7:46
#8407
24M
24.00 mi13:26:492:57:277:247:52
7:52
#8461
40K
24.85 mi13:33:563:04:347:267:07
8:19
#8600
25.2M
25.20 mi13:37:053:07:437:273:09
9:08
#8659
Finish
26.22 mi13:45:413:16:197:308:36
8:26
#8960
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9810172317239703(Top 34%)1755(Top 14%)1755(Top 32%)
10K6.21 mi3.10 mi10024-2141821-981821-9810278(Top 36%)1953(Top 16%)1953(Top 36%)
15K9.32 mi3.11 mi9891+1331790+311790+319703(Top 34%)1755(Top 14%)1755(Top 32%)
20K12.43 mi3.11 mi9547+3441663+1271663+1278808(Top 31%)1443(Top 12%)1443(Top 26%)
Half13.11 mi0.68 mi9496+511647+161647+168810(Top 31%)1422(Top 12%)1422(Top 26%)
25K15.53 mi2.42 mi9210+2861545+1021545+1028029(Top 28%)1233(Top 10%)1233(Top 23%)
30K18.64 mi3.11 mi8810+4001427+1181427+1187716(Top 27%)1280(Top 10%)1280(Top 23%)
20M20.00 mi1.36 mi8708+1021425+21425+27924(Top 28%)1516(Top 12%)1516(Top 28%)
21M21.00 mi1.00 mi8484+2241363+621363+626233(Top 22%)1011(Top 8%)1011(Top 18%)
35K21.75 mi0.75 mi8476+81384-211384-219036(Top 32%)2130(Top 17%)2130(Top 39%)
23M23.00 mi1.25 mi8407+691395-111395-118420(Top 30%)1998(Top 16%)1998(Top 37%)
24M24.00 mi1.00 mi8461-541454-591454-5910332(Top 36%)2954(Top 24%)2954(Top 54%)
40K24.85 mi0.85 mi8600-1391545-911545-9112298(Top 43%)4067(Top 33%)4067(Top 74%)
25.2M25.20 mi0.35 mi8659-591587-421587-4212565(Top 44%)4244(Top 35%)4244(Top 78%)
Finish26.22 mi1.02 mi8960-3011753-1661753-16615834(Top 56%)5923(Top 48%)5923(Top 108%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9703

Females

1755

F18-39

1755

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10278

Females

1953

F18-39

1953

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9703

Females

1755

F18-39

1755

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8808

Females

1443

F18-39

1443

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8810

Females

1422

F18-39

1422

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

8029

Females

1233

F18-39

1233

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7716

Females

1280

F18-39

1280

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7924

Females

1516

F18-39

1516

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6233

Females

1011

F18-39

1011

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

9036

Females

2130

F18-39

2130

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8420

Females

1998

F18-39

1998

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

10332

Females

2954

F18-39

2954

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12298

Females

4067

F18-39

4067

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12565

Females

4244

F18-39

4244

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

15834

Females

5923

F18-39

5923

Passing Analysis

Category:
Athletes Passed
2328*
Passed By
1476
Net Change
+850
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9810
5K → 10K144356-214#9810#10024
10K → 15K241*108+133#10024#9891
15K → 20K37632+344#9891#9547
20K → Half6312+51#9547#9496
Half → 25K31226+286#9496#9210
25K → 30K44848+400#9210#8810
30K → 20M14644+102#8810#8708
20M → 21M24117+224#8708#8484
21M → 35K6456+8#8484#8476
35K → 23M13768+69#8476#8407
23M → 24M63117-54#8407#8461
24M → 40K50189-139#8461#8600
40K → 25.2M2382-59#8600#8659
25.2M → Finish20321-301#8659#8960
TOTALS2328*1476+850

* 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