Boston Marathon logo
BOSTON MARATHON 2025

Anaïs Ta

Bib: 15769•F

NY

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
22:54
Rank: #11073
Start → 5K
7:22/mi
22:54 split
10K· 6.21 mi
46:09
Rank: #11494 (-421)
5K → 10K
7:29/mi
23:15 split
15K· 9.32 mi
1:09:32
Rank: #11636 (-142)
10K → 15K
7:32/mi
23:23 split
20K· 12.43 mi
1:33:48
Rank: #12068 (-432)
15K → 20K
7:49/mi
24:16 split
Half· 13.11 mi
1:39:10
Rank: #12204 (-136)
20K → Half
7:52/mi
5:22 split
25K· 15.53 mi
1:58:31
Rank: #12431 (-227)
Half → 25K
7:59/mi
19:21 split
30K· 18.64 mi
2:23:44
Rank: #12365 (+66)
25K → 30K
8:07/mi
25:13 split
20M
2:34:48
Rank: #12245 (+120)
30K → 20M
8:09/mi
11:04 split
21M
2:43:22
Rank: #12131 (+114)
20M → 21M
8:34/mi
8:34 split
35K· 21.75 mi
2:49:23
Rank: #12137 (-6)
21M → 35K
8:03/mi
6:01 split
23M
2:59:47
Rank: #12095 (+42)
35K → 23M
8:18/mi
10:24 split
24M
3:08:03
Rank: #12125 (-30)
23M → 24M
8:16/mi
8:16 split
40K· 24.85 mi
3:15:09
Rank: #12118 (+7)
24M → 40K
8:18/mi
7:06 split
25.2M
3:18:17
Rank: #12103 (+15)
40K → 25.2M
9:05/mi
3:08 split
Finish· 26.22 mi
3:26:32
Rank: #12140 (-37)
25.2M → Finish
8:06/mi
8:15 split

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
Time1:39:10
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:47:22
Pace8:11 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0722:547:2222:54
7:22
-
10K
6.21 mi11:17:2246:097:2623:15
7:29
+0:07
15K
9.32 mi11:40:451:09:327:2823:23
7:32
+0:03
20K
12.43 mi12:05:011:33:487:3324:16
7:49
+0:17
Half
13.11 mi12:10:231:39:107:345:22
7:52
+0:03
25K
15.53 mi12:29:441:58:317:3819:21
7:59
+0:07
30K
18.64 mi12:54:572:23:447:4325:13
8:07
+0:08
20M
20.00 mi13:06:012:34:487:4411:04
8:09
+0:02
21M
21.00 mi13:14:352:43:227:478:34
8:34
+0:25
35K
21.75 mi13:20:362:49:237:476:01
8:03
-0:31
23M
23.00 mi13:31:002:59:477:4910:24
8:18
+0:15
24M
24.00 mi13:39:163:08:037:508:16
8:16
-0:02
40K
24.85 mi13:46:223:15:097:517:06
8:18
+0:02
25.2M
25.20 mi13:49:303:18:177:523:08
9:05
+0:47
Finish
26.22 mi13:57:453:26:327:538:15
8:06
-0:59

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

7:22 /mi

Average Pace

7:53 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:10

48% of race

Time at Steady Pace

1:35:40

46% of race

Time at Slower Pace

11:42

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 mi10:54:0722:547:2222:54
7:22
#11073
10K
6.21 mi11:17:2246:097:2623:15
7:29
#11494
15K
9.32 mi11:40:451:09:327:2823:23
7:32
#11636
20K
12.43 mi12:05:011:33:487:3324:16
7:49
#12068
Half
13.11 mi12:10:231:39:107:345:22
7:52
#12204
25K
15.53 mi12:29:441:58:317:3819:21
7:59
#12431
30K
18.64 mi12:54:572:23:447:4325:13
8:07
#12365
20M
20.00 mi13:06:012:34:487:4411:04
8:09
#12245
21M
21.00 mi13:14:352:43:227:478:34
8:34
#12131
35K
21.75 mi13:20:362:49:237:476:01
8:03
#12137
23M
23.00 mi13:31:002:59:477:4910:24
8:18
#12095
24M
24.00 mi13:39:163:08:037:508:16
8:16
#12125
40K
24.85 mi13:46:223:15:097:517:06
8:18
#12118
25.2M
25.20 mi13:49:303:18:177:523:08
9:05
#12103
Finish
26.22 mi13:57:453:26:327:538:15
8:06
#12140
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi110732325232512019(Top 42%)2914(Top 24%)2914(Top 53%)
10K6.21 mi3.10 mi11494-4212551-2262551-22611976(Top 42%)2808(Top 23%)2808(Top 51%)
15K9.32 mi3.11 mi11636-1422642-912642-9112019(Top 42%)2914(Top 24%)2914(Top 53%)
20K12.43 mi3.11 mi12068-4322907-2652907-26513365(Top 47%)3740(Top 31%)3740(Top 68%)
Half13.11 mi0.68 mi12204-1362993-862993-8614806(Top 52%)4484(Top 37%)4484(Top 82%)
25K15.53 mi2.42 mi12431-2273157-1643157-16413743(Top 48%)4069(Top 33%)4069(Top 74%)
30K18.64 mi3.11 mi12365+663197-403197-4012224(Top 43%)3400(Top 28%)3400(Top 62%)
20M20.00 mi1.36 mi12245+1203168+293168+2911445(Top 40%)3162(Top 26%)3162(Top 58%)
21M21.00 mi1.00 mi12131+1143142+263142+2610928(Top 38%)3065(Top 25%)3065(Top 56%)
35K21.75 mi0.75 mi12137-63175-333175-3312559(Top 44%)3922(Top 32%)3922(Top 72%)
23M23.00 mi1.25 mi12095+423180-53180-512091(Top 43%)3784(Top 31%)3784(Top 69%)
24M24.00 mi1.00 mi12125-303236-563236-5613038(Top 46%)4329(Top 35%)4329(Top 79%)
40K24.85 mi0.85 mi12118+73264-283264-2812178(Top 43%)4000(Top 33%)4000(Top 73%)
25.2M25.20 mi0.35 mi12103+153277-133277-1312320(Top 43%)4119(Top 34%)4119(Top 75%)
Finish26.22 mi1.02 mi12140-373317-403317-4013567(Top 48%)4725(Top 39%)4725(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

12019

Females

2914

F18-39

2914

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11976

Females

2808

F18-39

2808

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

12019

Females

2914

F18-39

2914

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13365

Females

3740

F18-39

3740

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

14806

Females

4484

F18-39

4484

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

13743

Females

4069

F18-39

4069

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

12224

Females

3400

F18-39

3400

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

11445

Females

3162

F18-39

3162

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10928

Females

3065

F18-39

3065

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

12559

Females

3922

F18-39

3922

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12091

Females

3784

F18-39

3784

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

13038

Females

4329

F18-39

4329

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12178

Females

4000

F18-39

4000

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12320

Females

4119

F18-39

4119

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13567

Females

4725

F18-39

4725

Passing Analysis

Category:
Athletes Passed
1456
Passed By
2523
Net Change
-1067
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11073
5K → 10K105526-421#11073#11494
10K → 15K134276-142#11494#11636
15K → 20K80512-432#11636#12068
20K → Half10146-136#12068#12204
Half → 25K96323-227#12204#12431
25K → 30K267201+66#12431#12365
30K → 20M17555+120#12365#12245
20M → 21M15844+114#12245#12131
21M → 35K6268-6#12131#12137
35K → 23M12583+42#12137#12095
23M → 24M70100-30#12095#12125
24M → 40K7467+7#12125#12118
40K → 25.2M4732+15#12118#12103
25.2M → Finish5390-37#12103#12140
TOTALS14562523-1067
📊

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