Boston Marathon logo
BOSTON MARATHON 2025

Danielle Borelli

Bib: 15319•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 23%
Gender (Female)
#0 / 12228
Top 7%
Division (F18-39)
#0 / 5469
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:48
Rank: #7967
Start → 5K
21:48 | 7:01/mi
10K· 6.21 mi
43:35
Rank: #7961 (+6)
5K → 10K
21:47 | 7:01/mi
15K· 9.32 mi
1:05:02
Rank: #7605 (+356)
10K → 15K
21:27 | 6:54/mi
20K· 12.43 mi
1:26:54
Rank: #7450 (+155)
15K → 20K
21:52 | 7:02/mi
Half· 13.11 mi
1:31:44
Rank: #7480 (-30)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:49:17
Rank: #7487 (-7)
Half → 25K
17:33 | 7:14/mi
30K· 18.64 mi
2:12:50
Rank: #7517 (-30)
25K → 30K
23:33 | 7:35/mi
20M
2:22:43
Rank: #7307 (+210)
30K → 20M
9:53 | 7:16/mi
21M
2:30:14
Rank: #7086 (+221)
20M → 21M
7:31 | 7:31/mi
35K· 21.75 mi
2:35:26
Rank: #6983 (+103)
21M → 35K
5:12 | 6:57/mi
23M
2:44:46
Rank: #6862 (+121)
35K → 23M
9:20 | 7:27/mi
24M
2:52:01
Rank: #6758 (+104)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
2:58:15
Rank: #6646 (+112)
24M → 40K
6:14 | 7:17/mi
25.2M
3:00:59
Rank: #6611 (+35)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:07:56
Rank: #6476 (+135)
25.2M → Finish
6:57 | 6:49/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
Time1:31:44
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:36:12
Pace7:20 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5221:487:0121:48
7:01
-
10K
6.21 mi11:15:3943:357:0121:47
7:01
0:00
15K
9.32 mi11:37:061:05:026:5921:27
6:54
-0:07
20K
12.43 mi11:58:581:26:547:0021:52
7:02
+0:08
Half
13.11 mi12:03:481:31:447:004:50
7:05
+0:03
25K
15.53 mi12:21:211:49:177:0217:33
7:14
+0:09
30K
18.64 mi12:44:542:12:507:0823:33
7:35
+0:21
20M
20.00 mi12:54:472:22:437:089:53
7:16
-0:19
21M
21.00 mi13:02:182:30:147:097:31
7:31
+0:15
35K
21.75 mi13:07:302:35:267:095:12
6:57
-0:34
23M
23.00 mi13:16:502:44:467:109:20
7:27
+0:30
24M
24.00 mi13:24:052:52:017:107:15
7:15
-0:12
40K
24.85 mi13:30:192:58:157:106:14
7:17
+0:02
25.2M
25.20 mi13:33:033:00:597:112:44
7:56
+0:39
Finish
26.22 mi13:40:003:07:567:106:57
6:49
-1:07

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

6:49 /mi

Average Pace

7:10 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:08

82% of race

Time at Steady Pace

33:48

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:10 /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 mi10:53:5221:487:0121:48
7:01
#7967
10K
6.21 mi11:15:3943:357:0121:47
7:01
#7961
15K
9.32 mi11:37:061:05:026:5921:27
6:54
#7605
20K
12.43 mi11:58:581:26:547:0021:52
7:02
#7450
Half
13.11 mi12:03:481:31:447:004:50
7:05
#7480
25K
15.53 mi12:21:211:49:177:0217:33
7:14
#7487
30K
18.64 mi12:44:542:12:507:0823:33
7:35
#7517
20M
20.00 mi12:54:472:22:437:089:53
7:16
#7307
21M
21.00 mi13:02:182:30:147:097:31
7:31
#7086
35K
21.75 mi13:07:302:35:267:095:12
6:57
#6983
23M
23.00 mi13:16:502:44:467:109:20
7:27
#6862
24M
24.00 mi13:24:052:52:017:107:15
7:15
#6758
40K
24.85 mi13:30:192:58:157:106:14
7:17
#6646
25.2M
25.20 mi13:33:033:00:597:112:44
7:56
#6611
Finish
26.22 mi13:40:003:07:567:106:57
6:49
#6476
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi79679689687002(Top 25%)736(Top 6%)736(Top 13%)
10K6.21 mi3.10 mi7961+6981-13981-138005(Top 28%)1008(Top 8%)1008(Top 18%)
15K9.32 mi3.11 mi7605+356872+109872+1097002(Top 25%)736(Top 6%)736(Top 13%)
20K12.43 mi3.11 mi7450+155834+38834+387121(Top 25%)810(Top 7%)810(Top 15%)
Half13.11 mi0.68 mi7480-30846-12846-128207(Top 29%)1145(Top 9%)1145(Top 21%)
25K15.53 mi2.42 mi7487-7868-22868-227903(Top 28%)1171(Top 10%)1171(Top 21%)
30K18.64 mi3.11 mi7517-30921-53921-538307(Top 29%)1509(Top 12%)1509(Top 28%)
20M20.00 mi1.36 mi7307+210894+27894+275642(Top 20%)697(Top 6%)697(Top 13%)
21M21.00 mi1.00 mi7086+221854+40854+404724(Top 17%)542(Top 4%)542(Top 10%)
35K21.75 mi0.75 mi6983+103839+15839+155102(Top 18%)634(Top 5%)634(Top 12%)
23M23.00 mi1.25 mi6862+121844-5844-56388(Top 22%)1156(Top 9%)1156(Top 21%)
24M24.00 mi1.00 mi6758+104842+2842+26137(Top 22%)1113(Top 9%)1113(Top 20%)
40K24.85 mi0.85 mi6646+112835+7835+75628(Top 20%)979(Top 8%)979(Top 18%)
25.2M25.20 mi0.35 mi6611+35836-1836-15629(Top 20%)1092(Top 9%)1092(Top 20%)
Finish26.22 mi1.02 mi6476+135823+13823+134653(Top 16%)748(Top 6%)748(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7002

Females

736

F18-39

736

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

8005

Females

1008

F18-39

1008

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7002

Females

736

F18-39

736

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

7121

Females

810

F18-39

810

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

8207

Females

1145

F18-39

1145

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7903

Females

1171

F18-39

1171

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

8307

Females

1509

F18-39

1509

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5642

Females

697

F18-39

697

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4724

Females

542

F18-39

542

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5102

Females

634

F18-39

634

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

6388

Females

1156

F18-39

1156

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6137

Females

1113

F18-39

1113

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5628

Females

979

F18-39

979

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5629

Females

1092

F18-39

1092

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4653

Females

748

F18-39

748

Passing Analysis

Category:
Athletes Passed
2252
Passed By
761
Net Change
+1491
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7967
5K → 10K217211+6#7967#7961
10K → 15K37721+356#7961#7605
15K → 20K20247+155#7605#7450
20K → Half1949-30#7450#7480
Half → 25K105112-7#7480#7487
25K → 30K171201-30#7487#7517
30K → 20M22010+210#7517#7307
20M → 21M2298+221#7307#7086
21M → 35K1096+103#7086#6983
35K → 23M15332+121#6983#6862
23M → 24M12925+104#6862#6758
24M → 40K12412+112#6758#6646
40K → 25.2M4813+35#6646#6611
25.2M → Finish14914+135#6611#6476
TOTALS2252761+1491
📊

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