Boston Marathon logo
BOSTON MARATHON 2025

Brooke Baird

Bib: 18863•F

FL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 27%
Division (F18-39)
#0 / 5469
Top 45%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:29
Rank: #12746
Start → 5K
23:29 | 7:34/mi
10K· 6.21 mi
47:12
Rank: #13007 (-261)
5K → 10K
23:43 | 7:38/mi
15K· 9.32 mi
1:10:44
Rank: #12771 (+236)
10K → 15K
23:32 | 7:34/mi
20K· 12.43 mi
1:34:44
Rank: #12693 (+78)
15K → 20K
24:00 | 7:43/mi
Half· 13.11 mi
1:39:59
Rank: #12723 (-30)
20K → Half
5:15 | 7:42/mi
25K· 15.53 mi
1:58:54
Rank: #12631 (+92)
Half → 25K
18:55 | 7:48/mi
30K· 18.64 mi
2:23:58
Rank: #12456 (+175)
25K → 30K
25:04 | 8:04/mi
20M
2:35:25
Rank: #12481 (-25)
30K → 20M
11:27 | 8:26/mi
21M
2:44:21
Rank: #12503 (-22)
20M → 21M
8:56 | 8:56/mi
35K· 21.75 mi
2:50:20
Rank: #12480 (+23)
21M → 35K
5:59 | 8:00/mi
23M
3:00:42
Rank: #12400 (+80)
35K → 23M
10:22 | 8:17/mi
24M
3:08:36
Rank: #12314 (+86)
23M → 24M
7:54 | 7:54/mi
40K· 24.85 mi
3:15:36
Rank: #12258 (+56)
24M → 40K
7:00 | 8:11/mi
25.2M
3:18:42
Rank: #12236 (+22)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:26:36
Rank: #12163 (+73)
25.2M → Finish
7:54 | 7:45/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
Time1:39:59
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:46:37
Pace8:08 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4223:297:3423:29
7:34
-
10K
6.21 mi11:38:2547:127:3623:43
7:38
+0:04
15K
9.32 mi12:01:571:10:447:3523:32
7:34
-0:04
20K
12.43 mi12:25:571:34:447:3724:00
7:43
+0:09
Half
13.11 mi12:31:121:39:597:385:15
7:42
-0:01
25K
15.53 mi12:50:071:58:547:3918:55
7:48
+0:06
30K
18.64 mi13:15:112:23:587:4325:04
8:04
+0:16
20M
20.00 mi13:26:382:35:257:4611:27
8:26
+0:22
21M
21.00 mi13:35:342:44:217:508:56
8:56
+0:30
35K
21.75 mi13:41:332:50:207:505:59
8:00
-0:56
23M
23.00 mi13:51:553:00:427:5110:22
8:17
+0:17
24M
24.00 mi13:59:493:08:367:527:54
7:54
-0:23
40K
24.85 mi14:06:493:15:367:527:00
8:11
+0:17
25.2M
25.20 mi14:09:553:18:427:533:06
8:59
+0:48
Finish
26.22 mi14:17:493:26:367:537:54
7:45
-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

7:34 /mi

Average Pace

7:53 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:07

89% of race

Time at Steady Pace

11:27

6% of race

Time at Slower Pace

12:02

6% of race

Average Pace: 7:53 /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 mi11:14:4223:297:3423:29
7:34
#12746
10K
6.21 mi11:38:2547:127:3623:43
7:38
#13007
15K
9.32 mi12:01:571:10:447:3523:32
7:34
#12771
20K
12.43 mi12:25:571:34:447:3724:00
7:43
#12693
Half
13.11 mi12:31:121:39:597:385:15
7:42
#12723
25K
15.53 mi12:50:071:58:547:3918:55
7:48
#12631
30K
18.64 mi13:15:112:23:587:4325:04
8:04
#12456
20M
20.00 mi13:26:382:35:257:4611:27
8:26
#12481
21M
21.00 mi13:35:342:44:217:508:56
8:56
#12503
35K
21.75 mi13:41:332:50:207:505:59
8:00
#12480
23M
23.00 mi13:51:553:00:427:5110:22
8:17
#12400
24M
24.00 mi13:59:493:08:367:527:54
7:54
#12314
40K
24.85 mi14:06:493:15:367:527:00
8:11
#12258
25.2M
25.20 mi14:09:553:18:427:533:06
8:59
#12236
Finish
26.22 mi14:17:493:26:367:537:54
7:45
#12163
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi127463187318712387(Top 44%)3106(Top 25%)3106(Top 57%)
10K6.21 mi3.10 mi13007-2613340-1533340-15313315(Top 47%)3558(Top 29%)3558(Top 65%)
15K9.32 mi3.11 mi12771+2363252+883252+8812387(Top 44%)3106(Top 25%)3106(Top 57%)
20K12.43 mi3.11 mi12693+783262-103262-1012632(Top 44%)3343(Top 27%)3343(Top 61%)
Half13.11 mi0.68 mi12723-303290-283290-2813362(Top 47%)3673(Top 30%)3673(Top 67%)
25K15.53 mi2.42 mi12631+923262+283262+2812377(Top 44%)3317(Top 27%)3317(Top 61%)
30K18.64 mi3.11 mi12456+1753243+193243+1911875(Top 42%)3228(Top 26%)3228(Top 59%)
20M20.00 mi1.36 mi12481-253294-513294-5113319(Top 47%)4143(Top 34%)4143(Top 76%)
21M21.00 mi1.00 mi12503-223341-473341-4713133(Top 46%)4178(Top 34%)4178(Top 76%)
35K21.75 mi0.75 mi12480+233353-123353-1212265(Top 43%)3772(Top 31%)3772(Top 69%)
23M23.00 mi1.25 mi12400+803350+33350+311928(Top 42%)3695(Top 30%)3695(Top 68%)
24M24.00 mi1.00 mi12314+863331+193331+1910563(Top 37%)3074(Top 25%)3074(Top 56%)
40K24.85 mi0.85 mi12258+563337-63337-611495(Top 40%)3647(Top 30%)3647(Top 67%)
25.2M25.20 mi0.35 mi12236+223338-13338-111779(Top 41%)3855(Top 32%)3855(Top 70%)
Finish26.22 mi1.02 mi12163+733332+63332+611113(Top 39%)3511(Top 29%)3511(Top 64%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

12387

Females

3106

F18-39

3106

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

13315

Females

3558

F18-39

3558

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

12387

Females

3106

F18-39

3106

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

12632

Females

3343

F18-39

3343

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

13362

Females

3673

F18-39

3673

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

12377

Females

3317

F18-39

3317

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11875

Females

3228

F18-39

3228

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13319

Females

4143

F18-39

4143

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

13133

Females

4178

F18-39

4178

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

12265

Females

3772

F18-39

3772

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11928

Females

3695

F18-39

3695

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

10563

Females

3074

F18-39

3074

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11495

Females

3647

F18-39

3647

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11779

Females

3855

F18-39

3855

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

11113

Females

3511

F18-39

3511

Passing Analysis

Category:
Athletes Passed
2071
Passed By
1488
Net Change
+583
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12746
5K → 10K174435-261#12746#13007
10K → 15K340104+236#13007#12771
15K → 20K230152+78#12771#12693
20K → Half1949-30#12693#12723
Half → 25K194102+92#12723#12631
25K → 30K311136+175#12631#12456
30K → 20M108133-25#12456#12481
20M → 21M97119-22#12481#12503
21M → 35K8158+23#12503#12480
35K → 23M15272+80#12480#12400
23M → 24M11832+86#12400#12314
24M → 40K9337+56#12314#12258
40K → 25.2M4725+22#12258#12236
25.2M → Finish10734+73#12236#12163
TOTALS20711488+583
📊

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