Boston Marathon logo
BOSTON MARATHON 2025

Louise Xie

Bib: 12461•F

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 25%
Division (F18-39)
#0 / 5469
Top 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:43
Rank: #13387
Start → 5K
23:43 | 7:38/mi
10K· 6.21 mi
47:43
Rank: #13747 (-360)
5K → 10K
24:00 | 7:43/mi
15K· 9.32 mi
1:11:50
Rank: #13811 (-64)
10K → 15K
24:07 | 7:46/mi
20K· 12.43 mi
1:36:08
Rank: #13674 (+137)
15K → 20K
24:18 | 7:49/mi
Half· 13.11 mi
1:41:22
Rank: #13649 (+25)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
2:00:10
Rank: #13310 (+339)
Half → 25K
18:48 | 7:45/mi
30K· 18.64 mi
2:25:17
Rank: #13027 (+283)
25K → 30K
25:07 | 8:05/mi
20M
2:36:19
Rank: #12865 (+162)
30K → 20M
11:02 | 8:07/mi
21M
2:44:29
Rank: #12558 (+307)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:50:08
Rank: #12402 (+156)
21M → 35K
5:39 | 7:33/mi
23M
2:59:49
Rank: #12105 (+297)
35K → 23M
9:41 | 7:44/mi
24M
3:07:34
Rank: #11969 (+136)
23M → 24M
7:45 | 7:45/mi
40K· 24.85 mi
3:14:03
Rank: #11754 (+215)
24M → 40K
6:29 | 7:35/mi
25.2M
3:16:57
Rank: #11680 (+74)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:24:30
Rank: #11507 (+173)
25.2M → Finish
7:33 | 7:25/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
Time1:41:22
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:43:08
Pace7:52 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:1123:437:3823:43
7:38
-
10K
6.21 mi11:22:1147:437:4124:00
7:43
+0:05
15K
9.32 mi11:46:181:11:507:4224:07
7:46
+0:03
20K
12.43 mi12:10:361:36:087:4424:18
7:49
+0:03
Half
13.11 mi12:15:501:41:227:445:14
7:40
-0:09
25K
15.53 mi12:34:382:00:107:4418:48
7:45
+0:05
30K
18.64 mi12:59:452:25:177:4825:07
8:05
+0:20
20M
20.00 mi13:10:472:36:197:4911:02
8:07
+0:02
21M
21.00 mi13:18:572:44:297:508:10
8:10
+0:03
35K
21.75 mi13:24:362:50:087:495:39
7:33
-0:37
23M
23.00 mi13:34:172:59:497:499:41
7:44
+0:11
24M
24.00 mi13:42:023:07:347:497:45
7:45
+0:01
40K
24.85 mi13:48:313:14:037:486:29
7:35
-0:10
25.2M
25.20 mi13:51:253:16:577:492:54
8:25
+0:50
Finish
26.22 mi13:58:583:24:307:487:33
7:25
-1:00

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

7:25 /mi

Average Pace

7:48 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:26

95% of race

Time at Steady Pace

11:04

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:48 /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 mi10:58:1123:437:3823:43
7:38
#13387
10K
6.21 mi11:22:1147:437:4124:00
7:43
#13747
15K
9.32 mi11:46:181:11:507:4224:07
7:46
#13811
20K
12.43 mi12:10:361:36:087:4424:18
7:49
#13674
Half
13.11 mi12:15:501:41:227:445:14
7:40
#13649
25K
15.53 mi12:34:382:00:107:4418:48
7:45
#13310
30K
18.64 mi12:59:452:25:177:4825:07
8:05
#13027
20M
20.00 mi13:10:472:36:197:4911:02
8:07
#12865
21M
21.00 mi13:18:572:44:297:508:10
8:10
#12558
35K
21.75 mi13:24:362:50:087:495:39
7:33
#12402
23M
23.00 mi13:34:172:59:497:499:41
7:44
#12105
24M
24.00 mi13:42:023:07:347:497:45
7:45
#11969
40K
24.85 mi13:48:313:14:037:486:29
7:35
#11754
25.2M
25.20 mi13:51:253:16:577:492:54
8:25
#11680
Finish
26.22 mi13:58:583:24:307:487:33
7:25
#11507
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi133873537353714040(Top 49%)4032(Top 33%)4032(Top 74%)
10K6.21 mi3.10 mi13747-3603792-2553792-25514120(Top 50%)4024(Top 33%)4024(Top 74%)
15K9.32 mi3.11 mi13811-643853-613853-6114040(Top 49%)4032(Top 33%)4032(Top 74%)
20K12.43 mi3.11 mi13674+1373824+293824+2913446(Top 47%)3779(Top 31%)3779(Top 69%)
Half13.11 mi0.68 mi13649+253816+83816+813184(Top 46%)3584(Top 29%)3584(Top 66%)
25K15.53 mi2.42 mi13310+3393657+1593657+15911983(Top 42%)3105(Top 25%)3105(Top 57%)
30K18.64 mi3.11 mi13027+2833569+883569+8811991(Top 42%)3287(Top 27%)3287(Top 60%)
20M20.00 mi1.36 mi12865+1623508+613508+6111262(Top 40%)3067(Top 25%)3067(Top 56%)
21M21.00 mi1.00 mi12558+3073368+1403368+1408416(Top 30%)1912(Top 16%)1912(Top 35%)
35K21.75 mi0.75 mi12402+1563314+543314+549076(Top 32%)2170(Top 18%)2170(Top 40%)
23M23.00 mi1.25 mi12105+2973185+1293185+1298144(Top 29%)1890(Top 15%)1890(Top 35%)
24M24.00 mi1.00 mi11969+1363154+313154+319489(Top 33%)2566(Top 21%)2566(Top 47%)
40K24.85 mi0.85 mi11754+2153072+823072+827358(Top 26%)1710(Top 14%)1710(Top 31%)
25.2M25.20 mi0.35 mi11680+743053+193053+198364(Top 29%)2244(Top 18%)2244(Top 41%)
Finish26.22 mi1.02 mi11507+1733012+413012+418594(Top 30%)2341(Top 19%)2341(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

14040

Females

4032

F18-39

4032

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

14120

Females

4024

F18-39

4024

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

14040

Females

4032

F18-39

4032

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13446

Females

3779

F18-39

3779

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

13184

Females

3584

F18-39

3584

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11983

Females

3105

F18-39

3105

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11991

Females

3287

F18-39

3287

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

11262

Females

3067

F18-39

3067

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8416

Females

1912

F18-39

1912

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

9076

Females

2170

F18-39

2170

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

8144

Females

1890

F18-39

1890

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9489

Females

2566

F18-39

2566

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7358

Females

1710

F18-39

1710

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

8364

Females

2244

F18-39

2244

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8594

Females

2341

F18-39

2341

Passing Analysis

Category:
Athletes Passed
3015
Passed By
1135
Net Change
+1880
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13387
5K → 10K160520-360#13387#13747
10K → 15K174238-64#13747#13811
15K → 20K268131+137#13811#13674
20K → Half4722+25#13674#13649
Half → 25K36021+339#13649#13310
25K → 30K389106+283#13310#13027
30K → 20M19836+162#13027#12865
20M → 21M3103+307#12865#12558
21M → 35K1637+156#12558#12402
35K → 23M2981+297#12402#12105
23M → 24M15418+136#12105#11969
24M → 40K2194+215#11969#11754
40K → 25.2M839+74#11754#11680
25.2M → Finish19219+173#11680#11507
TOTALS30151135+1880
📊

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