Boston Marathon logo
BOSTON MARATHON 2025

Alexandra Zuber

Bib: 25482•F

WY

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:57
Rank: #23621
Start → 5K
28:57 | 9:19/mi
10K· 6.21 mi
58:21
Rank: #23857 (-236)
5K → 10K
29:24 | 9:28/mi
15K· 9.32 mi
1:28:09
Rank: #23923 (-66)
10K → 15K
29:48 | 9:36/mi
20K· 12.43 mi
1:58:40
Rank: #23875 (+48)
15K → 20K
30:31 | 9:49/mi
Half· 13.11 mi
2:05:18
Rank: #23891 (-16)
20K → Half
6:38 | 9:43/mi
25K· 15.53 mi
2:29:35
Rank: #23772 (+119)
Half → 25K
24:17 | 10:01/mi
30K· 18.64 mi
3:04:42
Rank: #23987 (-215)
25K → 30K
35:07 | 11:18/mi
20M
3:19:16
Rank: #23908 (+79)
30K → 20M
14:34 | 10:43/mi
21M
3:36:37
Rank: #24490 (-582)
20M → 21M
17:21 | 17:21/mi
35K· 21.75 mi
3:43:53
Rank: #24394 (+96)
21M → 35K
7:16 | 9:43/mi
23M
3:59:40
Rank: #24523 (-129)
35K → 23M
15:47 | 12:36/mi
24M
4:09:56
Rank: #24446 (+77)
23M → 24M
10:16 | 10:16/mi
40K· 24.85 mi
4:18:36
Rank: #24328 (+118)
24M → 40K
8:40 | 10:08/mi
25.2M
4:22:41
Rank: #24303 (+25)
40K → 25.2M
4:05 | 11:50/mi
Finish· 26.22 mi
4:33:07
Rank: #24287 (+16)
25.2M → Finish
10:26 | 10:14/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
Time2:05:18
Pace9:33 /mi
2nd Half
Distance13.11 mi
Time2:27:49
Pace11:17 /mi
📊Positive Split: 18.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:2428:579:1928:57
9:19
-
10K
6.21 mi11:59:4858:219:2329:24
9:28
+0:09
15K
9.32 mi12:29:361:28:099:2729:48
9:36
+0:08
20K
12.43 mi13:00:071:58:409:3330:31
9:49
+0:13
Half
13.11 mi13:06:452:05:189:336:38
9:43
-0:06
25K
15.53 mi13:31:022:29:359:3824:17
10:01
+0:18
30K
18.64 mi14:06:093:04:429:5435:07
11:18
+1:17
20M
20.00 mi14:20:433:19:169:5814:34
10:43
-0:35
21M
21.00 mi14:38:043:36:3710:1917:21
17:21
+6:38
35K
21.75 mi14:45:203:43:5310:187:16
9:43
-7:38
23M
23.00 mi15:01:073:59:4010:2515:47
12:36
+2:53
24M
24.00 mi15:11:234:09:5610:2510:16
10:16
-2:20
40K
24.85 mi15:20:034:18:3610:248:40
10:08
-0:08
25.2M
25.20 mi15:24:084:22:4110:254:05
11:50
+1:42
Finish
26.22 mi15:34:344:33:0710:2510:26
10:14
-1:36

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

9:19 /mi

Average Pace

10:25 /mi

Slowest Pace

17:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:20:47

74% of race

Time at Slower Pace

1:12:20

26% of race

Average Pace: 10:25 /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 mi11:30:2428:579:1928:57
9:19
#23621
10K
6.21 mi11:59:4858:219:2329:24
9:28
#23857
15K
9.32 mi12:29:361:28:099:2729:48
9:36
#23923
20K
12.43 mi13:00:071:58:409:3330:31
9:49
#23875
Half
13.11 mi13:06:452:05:189:336:38
9:43
#23891
25K
15.53 mi13:31:022:29:359:3824:17
10:01
#23772
30K
18.64 mi14:06:093:04:429:5435:07
11:18
#23987
20M
20.00 mi14:20:433:19:169:5814:34
10:43
#23908
21M
21.00 mi14:38:043:36:3710:1917:21
17:21
#24490
35K
21.75 mi14:45:203:43:5310:187:16
9:43
#24394
23M
23.00 mi15:01:073:59:4010:2515:47
12:36
#24523
24M
24.00 mi15:11:234:09:5610:2510:16
10:16
#24446
40K
24.85 mi15:20:034:18:3610:248:40
10:08
#24328
25.2M
25.20 mi15:24:084:22:4110:254:05
11:50
#24303
Finish
26.22 mi15:34:344:33:0710:2510:26
10:14
#24287
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi236219499949923996(Top 84%)9664(Top 79%)9664(Top 1549%)
10K6.21 mi3.10 mi23857-2369607-1089607-10824018(Top 85%)9693(Top 79%)9693(Top 1553%)
15K9.32 mi3.11 mi23923-669630-239630-2323996(Top 84%)9664(Top 79%)9664(Top 1549%)
20K12.43 mi3.11 mi23875+489625+59625+523829(Top 84%)9620(Top 79%)9620(Top 1542%)
Half13.11 mi0.68 mi23891-169634-99634-924206(Top 85%)9826(Top 80%)9826(Top 1575%)
25K15.53 mi2.42 mi23772+1199569+659569+6523308(Top 82%)9370(Top 77%)9370(Top 1502%)
30K18.64 mi3.11 mi23987-2159720-1519720-15124560(Top 86%)10161(Top 83%)10161(Top 1628%)
20M20.00 mi1.36 mi23908+799699+219699+2123009(Top 81%)9428(Top 77%)9428(Top 1511%)
21M21.00 mi1.00 mi24490-58210024-32510024-32528209(Top 99%)12151(Top 99%)12151(Top 1947%)
35K21.75 mi0.75 mi24394+969987+379987+3721081(Top 74%)8556(Top 70%)8556(Top 1371%)
23M23.00 mi1.25 mi24523-12910073-8610073-8625942(Top 91%)11070(Top 91%)11070(Top 1774%)
24M24.00 mi1.00 mi24446+7710040+3310040+3322152(Top 78%)9219(Top 75%)9219(Top 1477%)
40K24.85 mi0.85 mi24328+1189985+559985+5520927(Top 74%)8636(Top 71%)8636(Top 1384%)
25.2M25.20 mi0.35 mi24303+259981+49981+422931(Top 81%)9631(Top 79%)9631(Top 1543%)
Finish26.22 mi1.02 mi24287+169989-89989-823646(Top 83%)10000(Top 82%)10000(Top 1603%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

23996

Females

9664

F60-64

9664

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

24018

Females

9693

F60-64

9693

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

23996

Females

9664

F60-64

9664

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

23829

Females

9620

F60-64

9620

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

24206

Females

9826

F60-64

9826

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

23308

Females

9370

F60-64

9370

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

24560

Females

10161

F60-64

10161

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

23009

Females

9428

F60-64

9428

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

28209

Females

12151

F60-64

12151

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

21081

Females

8556

F60-64

8556

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

25942

Females

11070

F60-64

11070

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

22152

Females

9219

F60-64

9219

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

20927

Females

8636

F60-64

8636

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

22931

Females

9631

F60-64

9631

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

23646

Females

10000

F60-64

10000

Passing Analysis

Category:
Athletes Passed
1242
Passed By
1908
Net Change
-666
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23621
5K → 10K156392-236#23621#23857
10K → 15K124190-66#23857#23923
15K → 20K156108+48#23923#23875
20K → Half1329-16#23875#23891
Half → 25K17758+119#23891#23772
25K → 30K86301-215#23772#23987
30K → 20M11839+79#23987#23908
20M → 21M3585-582#23908#24490
21M → 35K982+96#24490#24394
35K → 23M29158-129#24394#24523
23M → 24M8912+77#24523#24446
24M → 40K1213+118#24446#24328
40K → 25.2M294+25#24328#24303
25.2M → Finish4327+16#24303#24287
TOTALS12421908-666
📊

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