Boston Marathon logo
BOSTON MARATHON 2025

Bridget Ulian

Bib: 18609•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 44%
Gender (Female)
#0 / 12228
Top 28%
Division (F18-39)
#0 / 5469
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:11
Rank: #14668
Start → 5K
24:11 | 7:47/mi
10K· 6.21 mi
48:20
Rank: #14573 (+95)
5K → 10K
24:09 | 7:46/mi
15K· 9.32 mi
1:12:27
Rank: #14400 (+173)
10K → 15K
24:07 | 7:46/mi
20K· 12.43 mi
1:36:40
Rank: #14075 (+325)
15K → 20K
24:13 | 7:48/mi
Half· 13.11 mi
1:41:54
Rank: #14019 (+56)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
2:01:10
Rank: #13893 (+126)
Half → 25K
19:16 | 7:57/mi
30K· 18.64 mi
2:26:54
Rank: #13715 (+178)
25K → 30K
25:44 | 8:17/mi
20M
2:37:49
Rank: #13457 (+258)
30K → 20M
10:55 | 8:02/mi
21M
2:46:11
Rank: #13192 (+265)
20M → 21M
8:22 | 8:22/mi
35K· 21.75 mi
2:52:02
Rank: #13109 (+83)
21M → 35K
5:51 | 7:49/mi
23M
3:01:59
Rank: #12853 (+256)
35K → 23M
9:57 | 7:57/mi
24M
3:09:55
Rank: #12742 (+111)
23M → 24M
7:56 | 7:56/mi
40K· 24.85 mi
3:16:42
Rank: #12613 (+129)
24M → 40K
6:47 | 7:56/mi
25.2M
3:19:39
Rank: #12523 (+90)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:27:23
Rank: #12404 (+119)
25.2M → Finish
7:44 | 7:35/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
Time1:41:54
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:45:29
Pace8:03 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2624:117:4724:11
7:47
-
10K
6.21 mi11:39:3548:207:4724:09
7:46
-0:01
15K
9.32 mi12:03:421:12:277:4624:07
7:46
0:00
20K
12.43 mi12:27:551:36:407:4724:13
7:48
+0:02
Half
13.11 mi12:33:091:41:547:465:14
7:40
-0:08
25K
15.53 mi12:52:252:01:107:4819:16
7:57
+0:17
30K
18.64 mi13:18:092:26:547:5325:44
8:17
+0:20
20M
20.00 mi13:29:042:37:497:5310:55
8:02
-0:15
21M
21.00 mi13:37:262:46:117:558:22
8:22
+0:20
35K
21.75 mi13:43:172:52:027:555:51
7:49
-0:33
23M
23.00 mi13:53:143:01:597:559:57
7:57
+0:08
24M
24.00 mi14:01:103:09:557:557:56
7:56
-0:01
40K
24.85 mi14:07:573:16:427:556:47
7:56
0:00
25.2M
25.20 mi14:10:543:19:397:552:57
8:33
+0:37
Finish
26.22 mi14:18:383:27:237:557:44
7:35
-0:58

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

7:35 /mi

Average Pace

7:55 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:04

95% of race

Time at Steady Pace

11:19

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:55 /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 mi11:15:2624:117:4724:11
7:47
#14668
10K
6.21 mi11:39:3548:207:4724:09
7:46
#14573
15K
9.32 mi12:03:421:12:277:4624:07
7:46
#14400
20K
12.43 mi12:27:551:36:407:4724:13
7:48
#14075
Half
13.11 mi12:33:091:41:547:465:14
7:40
#14019
25K
15.53 mi12:52:252:01:107:4819:16
7:57
#13893
30K
18.64 mi13:18:092:26:547:5325:44
8:17
#13715
20M
20.00 mi13:29:042:37:497:5310:55
8:02
#13457
21M
21.00 mi13:37:262:46:117:558:22
8:22
#13192
35K
21.75 mi13:43:172:52:027:555:51
7:49
#13109
23M
23.00 mi13:53:143:01:597:559:57
7:57
#12853
24M
24.00 mi14:01:103:09:557:557:56
7:56
#12742
40K
24.85 mi14:07:573:16:427:556:47
7:56
#12613
25.2M
25.20 mi14:10:543:19:397:552:57
8:33
#12523
Finish
26.22 mi14:18:383:27:237:557:44
7:35
#12404
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi146684324432414047(Top 49%)4039(Top 33%)4039(Top 74%)
10K6.21 mi3.10 mi14573+954278+464278+4614568(Top 51%)4292(Top 35%)4292(Top 78%)
15K9.32 mi3.11 mi14400+1734200+784200+7814047(Top 49%)4039(Top 33%)4039(Top 74%)
20K12.43 mi3.11 mi14075+3254047+1534047+15313241(Top 47%)3680(Top 30%)3680(Top 67%)
Half13.11 mi0.68 mi14019+564011+364011+3613206(Top 46%)3606(Top 29%)3606(Top 66%)
25K15.53 mi2.42 mi13893+1263984+273984+2713486(Top 47%)3926(Top 32%)3926(Top 72%)
30K18.64 mi3.11 mi13715+1783943+413943+4113385(Top 47%)4043(Top 33%)4043(Top 74%)
20M20.00 mi1.36 mi13457+2583832+1113832+11110698(Top 38%)2791(Top 23%)2791(Top 51%)
21M21.00 mi1.00 mi13192+2653717+1153717+1159687(Top 34%)2474(Top 20%)2474(Top 45%)
35K21.75 mi0.75 mi13109+833684+333684+3311026(Top 39%)3124(Top 26%)3124(Top 57%)
23M23.00 mi1.25 mi12853+2563584+1003584+1009673(Top 34%)2592(Top 21%)2592(Top 47%)
24M24.00 mi1.00 mi12742+1113549+353549+3510798(Top 38%)3197(Top 26%)3197(Top 58%)
40K24.85 mi0.85 mi12613+1293511+383511+389752(Top 34%)2811(Top 23%)2811(Top 51%)
25.2M25.20 mi0.35 mi12523+903485+263485+269223(Top 32%)2660(Top 22%)2660(Top 49%)
Finish26.22 mi1.02 mi12404+1193452+333452+339881(Top 35%)2940(Top 24%)2940(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

14047

Females

4039

F18-39

4039

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14568

Females

4292

F18-39

4292

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

14047

Females

4039

F18-39

4039

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13241

Females

3680

F18-39

3680

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

13206

Females

3606

F18-39

3606

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13486

Females

3926

F18-39

3926

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

13385

Females

4043

F18-39

4043

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10698

Females

2791

F18-39

2791

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9687

Females

2474

F18-39

2474

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

11026

Females

3124

F18-39

3124

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9673

Females

2592

F18-39

2592

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10798

Females

3197

F18-39

3197

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9752

Females

2811

F18-39

2811

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9223

Females

2660

F18-39

2660

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9881

Females

2940

F18-39

2940

Passing Analysis

Category:
Athletes Passed
3061
Passed By
797
Net Change
+2264
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14668
5K → 10K349254+95#14668#14573
10K → 15K279106+173#14573#14400
15K → 20K38358+325#14400#14075
20K → Half7317+56#14075#14019
Half → 25K227101+126#14019#13893
25K → 30K324146+178#13893#13715
30K → 20M27113+258#13715#13457
20M → 21M2694+265#13457#13192
21M → 35K9613+83#13192#13109
35K → 23M2659+256#13109#12853
23M → 24M13928+111#12853#12742
24M → 40K15021+129#12742#12613
40K → 25.2M922+90#12613#12523
25.2M → Finish14425+119#12523#12404
TOTALS3061797+2264
📊

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