Boston Marathon logo
BOSTON MARATHON 2025

Alison Tucker

Bib: 10180•F

MD

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 30%
Gender (Female)
#0 / 12228
Top 13%
Division (F18-39)
#0 / 5469
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:15
Rank: #9162
Start → 5K
22:15 | 7:10/mi
10K· 6.21 mi
44:21
Rank: #8931 (+231)
5K → 10K
22:06 | 7:07/mi
15K· 9.32 mi
1:06:47
Rank: #9037 (-106)
10K → 15K
22:26 | 7:13/mi
20K· 12.43 mi
1:29:35
Rank: #9070 (-33)
15K → 20K
22:48 | 7:20/mi
Half· 13.11 mi
1:34:36
Rank: #9141 (-71)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:52:28
Rank: #9030 (+111)
Half → 25K
17:52 | 7:22/mi
30K· 18.64 mi
2:16:19
Rank: #8955 (+75)
25K → 30K
23:51 | 7:41/mi
20M
2:27:03
Rank: #8980 (-25)
30K → 20M
10:44 | 7:54/mi
21M
2:36:09
Rank: #9273 (-293)
20M → 21M
9:06 | 9:06/mi
35K· 21.75 mi
2:41:49
Rank: #9245 (+28)
21M → 35K
5:40 | 7:34/mi
23M
2:51:27
Rank: #9104 (+141)
35K → 23M
9:38 | 7:42/mi
24M
2:58:58
Rank: #9001 (+103)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
3:05:19
Rank: #8854 (+147)
24M → 40K
6:21 | 7:26/mi
25.2M
3:08:02
Rank: #8764 (+90)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:14:58
Rank: #8546 (+218)
25.2M → Finish
6:56 | 6:48/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
Time1:34:36
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:40:22
Pace7:39 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1422:157:1022:15
7:10
-
10K
6.21 mi11:10:2044:217:0822:06
7:07
-0:03
15K
9.32 mi11:32:461:06:477:1022:26
7:13
+0:06
20K
12.43 mi11:55:341:29:357:1322:48
7:20
+0:07
Half
13.11 mi12:00:351:34:367:135:01
7:21
+0:01
25K
15.53 mi12:18:271:52:287:1417:52
7:22
+0:01
30K
18.64 mi12:42:182:16:197:1923:51
7:41
+0:19
20M
20.00 mi12:53:022:27:037:2110:44
7:54
+0:13
21M
21.00 mi13:02:082:36:097:269:06
9:06
+1:12
35K
21.75 mi13:07:482:41:497:265:40
7:34
-1:32
23M
23.00 mi13:17:262:51:277:279:38
7:42
+0:08
24M
24.00 mi13:24:572:58:587:277:31
7:31
-0:11
40K
24.85 mi13:31:183:05:197:276:21
7:26
-0:05
25.2M
25.20 mi13:34:013:08:027:282:43
7:53
+0:27
Finish
26.22 mi13:40:573:14:587:266:56
6:48
-1:05

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

6:48 /mi

Average Pace

7:26 /mi

Slowest Pace

9:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

51:17

26% of race

Time at Steady Pace

1:51:30

57% of race

Time at Slower Pace

32:11

17% of race

Average Pace: 7:26 /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 mi10:48:1422:157:1022:15
7:10
#9162
10K
6.21 mi11:10:2044:217:0822:06
7:07
#8931
15K
9.32 mi11:32:461:06:477:1022:26
7:13
#9037
20K
12.43 mi11:55:341:29:357:1322:48
7:20
#9070
Half
13.11 mi12:00:351:34:367:135:01
7:21
#9141
25K
15.53 mi12:18:271:52:287:1417:52
7:22
#9030
30K
18.64 mi12:42:182:16:197:1923:51
7:41
#8955
20M
20.00 mi12:53:022:27:037:2110:44
7:54
#8980
21M
21.00 mi13:02:082:36:097:269:06
9:06
#9273
35K
21.75 mi13:07:482:41:497:265:40
7:34
#9245
23M
23.00 mi13:17:262:51:277:279:38
7:42
#9104
24M
24.00 mi13:24:572:58:587:277:31
7:31
#9001
40K
24.85 mi13:31:183:05:197:276:21
7:26
#8854
25.2M
25.20 mi13:34:013:08:027:282:43
7:53
#8764
Finish
26.22 mi13:40:573:14:587:266:56
6:48
#8546
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9162143914399305(Top 33%)1564(Top 13%)1564(Top 29%)
10K6.21 mi3.10 mi8931+2311360+791360+798798(Top 31%)1304(Top 11%)1304(Top 24%)
15K9.32 mi3.11 mi9037-1061413-531413-539305(Top 33%)1564(Top 13%)1564(Top 29%)
20K12.43 mi3.11 mi9070-331447-341447-349368(Top 33%)1676(Top 14%)1676(Top 31%)
Half13.11 mi0.68 mi9141-711478-311478-3110500(Top 37%)2165(Top 18%)2165(Top 40%)
25K15.53 mi2.42 mi9030+1111463+151463+158916(Top 31%)1600(Top 13%)1600(Top 29%)
30K18.64 mi3.11 mi8955+751492-291492-299039(Top 32%)1852(Top 15%)1852(Top 34%)
20M20.00 mi1.36 mi8980-251531-391531-399733(Top 34%)2309(Top 19%)2309(Top 42%)
21M21.00 mi1.00 mi9273-2931698-1671698-16714101(Top 50%)4674(Top 38%)4674(Top 85%)
35K21.75 mi0.75 mi9245+281713-151713-159172(Top 32%)2194(Top 18%)2194(Top 40%)
23M23.00 mi1.25 mi9104+1411688+251688+257884(Top 28%)1772(Top 14%)1772(Top 32%)
24M24.00 mi1.00 mi9001+1031675+131675+137849(Top 28%)1798(Top 15%)1798(Top 33%)
40K24.85 mi0.85 mi8854+1471652+231652+236404(Top 23%)1303(Top 11%)1303(Top 24%)
25.2M25.20 mi0.35 mi8764+901632+201632+205401(Top 19%)1031(Top 8%)1031(Top 19%)
Finish26.22 mi1.02 mi8546+2181563+691563+694567(Top 16%)722(Top 6%)722(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9305

Females

1564

F18-39

1564

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8798

Females

1304

F18-39

1304

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9305

Females

1564

F18-39

1564

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9368

Females

1676

F18-39

1676

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10500

Females

2165

F18-39

2165

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8916

Females

1600

F18-39

1600

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

9039

Females

1852

F18-39

1852

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9733

Females

2309

F18-39

2309

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

14101

Females

4674

F18-39

4674

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

9172

Females

2194

F18-39

2194

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7884

Females

1772

F18-39

1772

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7849

Females

1798

F18-39

1798

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6404

Females

1303

F18-39

1303

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5401

Females

1031

F18-39

1031

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4567

Females

722

F18-39

722

Passing Analysis

Category:
Athletes Passed
2080
Passed By
1464
Net Change
+616
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9162
5K → 10K346115+231#9162#8931
10K → 15K127233-106#8931#9037
15K → 20K153186-33#9037#9070
20K → Half1182-71#9070#9141
Half → 25K211100+111#9141#9030
25K → 30K251176+75#9030#8955
30K → 20M94119-25#8955#8980
20M → 21M35328-293#8980#9273
21M → 35K7345+28#9273#9245
35K → 23M17534+141#9245#9104
23M → 24M12421+103#9104#9001
24M → 40K16316+147#9001#8854
40K → 25.2M944+90#8854#8764
25.2M → Finish2235+218#8764#8546
TOTALS20801464+616
📊

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