Boston Marathon logo
BOSTON MARATHON 2025

Olivia Barrett

Bib: 30452•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:11
Rank: #22716
Start → 5K
28:11 | 9:04/mi
10K· 6.21 mi
54:43
Rank: #21466 (+1250)
5K → 10K
26:32 | 8:32/mi
15K· 9.32 mi
1:22:12
Rank: #21359 (+107)
10K → 15K
27:29 | 8:51/mi
20K· 12.43 mi
1:56:52
Rank: #23477 (-2118)
15K → 20K
34:40 | 11:09/mi
Half· 13.11 mi
2:02:51
Rank: #23340 (+137)
20K → Half
5:59 | 8:46/mi
25K· 15.53 mi
2:36:04
Rank: #24811 (-1471)
Half → 25K
33:13 | 13:42/mi
30K· 18.64 mi
3:12:52
Rank: #24966 (-155)
25K → 30K
36:48 | 11:51/mi
20M
3:28:32
Rank: #24926 (+40)
30K → 20M
15:40 | 11:32/mi
21M
3:43:07
Rank: #25087 (-161)
20M → 21M
14:35 | 14:35/mi
35K· 21.75 mi
3:51:23
Rank: #25086 (+1)
21M → 35K
8:16 | 11:03/mi
23M
4:05:37
Rank: #25041 (+45)
35K → 23M
14:14 | 11:22/mi
24M
4:17:49
Rank: #25074 (-33)
23M → 24M
12:12 | 12:12/mi
40K· 24.85 mi
4:27:00
Rank: #25001 (+73)
24M → 40K
9:11 | 10:44/mi
25.2M
4:31:15
Rank: #25000 (+1)
40K → 25.2M
4:15 | 12:19/mi
Finish· 26.22 mi
4:41:07
Rank: #24929 (+71)
25.2M → Finish
9:52 | 9:41/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
Time2:02:51
Pace9:22 /mi
2nd Half
Distance13.11 mi
Time2:38:16
Pace12:04 /mi
📊Positive Split: 28.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2728:119:0428:11
9:04
-
10K
6.21 mi12:15:5954:438:4826:32
8:32
-0:32
15K
9.32 mi12:43:281:22:128:4927:29
8:51
+0:19
20K
12.43 mi13:18:081:56:529:2434:40
11:09
+2:18
Half
13.11 mi13:24:072:02:519:225:59
8:46
-2:23
25K
15.53 mi13:57:202:36:0410:0333:13
13:42
+4:56
30K
18.64 mi14:34:083:12:5210:2136:48
11:51
-1:51
20M
20.00 mi14:49:483:28:3210:2615:40
11:32
-0:19
21M
21.00 mi15:04:233:43:0710:3714:35
14:35
+3:03
35K
21.75 mi15:12:393:51:2310:388:16
11:03
-3:32
23M
23.00 mi15:26:534:05:3710:4114:14
11:22
+0:19
24M
24.00 mi15:39:054:17:4910:4512:12
12:12
+0:50
40K
24.85 mi15:48:164:27:0010:459:11
10:44
-1:28
25.2M
25.20 mi15:52:314:31:1510:464:15
12:19
+1:35
Finish
26.22 mi16:02:234:41:0710:449:52
9:41
-2:38

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

8:32 /mi

Average Pace

10:44 /mi

Slowest Pace

14:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:03

35% of race

Time at Steady Pace

1:58:49

42% of race

Time at Slower Pace

1:04:15

23% of race

Average Pace: 10:43 /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 mi11:49:2728:119:0428:11
9:04
#22716
10K
6.21 mi12:15:5954:438:4826:32
8:32
#21466
15K
9.32 mi12:43:281:22:128:4927:29
8:51
#21359
20K
12.43 mi13:18:081:56:529:2434:40
11:09
#23477
Half
13.11 mi13:24:072:02:519:225:59
8:46
#23340
25K
15.53 mi13:57:202:36:0410:0333:13
13:42
#24811
30K
18.64 mi14:34:083:12:5210:2136:48
11:51
#24966
20M
20.00 mi14:49:483:28:3210:2615:40
11:32
#24926
21M
21.00 mi15:04:233:43:0710:3714:35
14:35
#25087
35K
21.75 mi15:12:393:51:2310:388:16
11:03
#25086
23M
23.00 mi15:26:534:05:3710:4114:14
11:22
#25041
24M
24.00 mi15:39:054:17:4910:4512:12
12:12
#25074
40K
24.85 mi15:48:164:27:0010:459:11
10:44
#25001
25.2M
25.20 mi15:52:314:31:1510:464:15
12:19
#25000
Finish
26.22 mi16:02:234:41:0710:449:52
9:41
#24929
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi227169022902221251(Top 75%)8140(Top 67%)8140(Top 149%)
10K6.21 mi3.10 mi21466+12508321+7018321+70120022(Top 70%)7481(Top 61%)7481(Top 137%)
15K9.32 mi3.11 mi21359+1078224+978224+9721251(Top 75%)8140(Top 67%)8140(Top 149%)
20K12.43 mi3.11 mi23477-21189391-11679391-116726232(Top 92%)10929(Top 89%)10929(Top 200%)
Half13.11 mi0.68 mi23340+1379310+819310+8120704(Top 73%)7888(Top 65%)7888(Top 144%)
25K15.53 mi2.42 mi24811-147110153-84310153-84327732(Top 98%)11851(Top 97%)11851(Top 217%)
30K18.64 mi3.11 mi24966-15510262-10910262-10925380(Top 89%)10603(Top 87%)10603(Top 194%)
20M20.00 mi1.36 mi24926+4010256+610256+624561(Top 86%)10252(Top 84%)10252(Top 187%)
21M21.00 mi1.00 mi25087-16110352-9610352-9626778(Top 94%)11456(Top 94%)11456(Top 209%)
35K21.75 mi0.75 mi25086+110368-1610368-1624279(Top 85%)10207(Top 83%)10207(Top 187%)
23M23.00 mi1.25 mi25041+4510353+1510353+1524014(Top 85%)10108(Top 83%)10108(Top 185%)
24M24.00 mi1.00 mi25074-3310378-2510378-2525900(Top 91%)11086(Top 91%)11086(Top 203%)
40K24.85 mi0.85 mi25001+7310352+2610352+2622521(Top 79%)9472(Top 77%)9472(Top 173%)
25.2M25.20 mi0.35 mi25000+110355-310355-323797(Top 84%)10071(Top 82%)10071(Top 184%)
Finish26.22 mi1.02 mi24929+7110323+3210323+3221825(Top 77%)9079(Top 74%)9079(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21251

Females

8140

F18-39

8140

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

20022

Females

7481

F18-39

7481

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21251

Females

8140

F18-39

8140

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

26232

Females

10929

F18-39

10929

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

20704

Females

7888

F18-39

7888

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

27732

Females

11851

F18-39

11851

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25380

Females

10603

F18-39

10603

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24561

Females

10252

F18-39

10252

20M→21M

20.0 - 21.0 mi

Top 94%
×8stories
+106ft-24ft

Overall

26778

Females

11456

F18-39

11456

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

24279

Females

10207

F18-39

10207

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

24014

Females

10108

F18-39

10108

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

25900

Females

11086

F18-39

11086

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22521

Females

9472

F18-39

9472

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23797

Females

10071

F18-39

10071

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21825

Females

9079

F18-39

9079

Passing Analysis

Category:
Athletes Passed
2128
Passed By
4341
Net Change
-2213
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22716
5K → 10K126616+1250#22716#21466
10K → 15K266159+107#21466#21359
15K → 20K72125-2118#21359#23477
20K → Half1381+137#23477#23340
Half → 25K41475-1471#23340#24811
25K → 30K79234-155#24811#24966
30K → 20M7030+40#24966#24926
20M → 21M15176-161#24926#25087
21M → 35K3130+1#25087#25086
35K → 23M5914+45#25086#25041
23M → 24M2356-33#25041#25074
24M → 40K796+73#25074#25001
40K → 25.2M1211+1#25001#25000
25.2M → Finish798+71#25000#24929
TOTALS21284341-2213
📊

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