Boston Marathon logo
BOSTON MARATHON 2025

Alison Laux

Bib: 15908•F

NJ

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 32%
Gender (Female)
#0 / 12228
Top 14%
Masters (Masters Women)
#0 / 6759
Top 5%
Division (F40-44)
#0 / 1718
Top 12%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:58
Rank: #11255
Start → 5K
22:58 | 7:24/mi
10K· 6.21 mi
45:47
Rank: #10940 (+315)
5K → 10K
22:49 | 7:21/mi
15K· 9.32 mi
1:08:11
Rank: #10347 (+593)
10K → 15K
22:24 | 7:13/mi
20K· 12.43 mi
1:30:32
Rank: #9743 (+604)
15K → 20K
22:21 | 7:12/mi
Half· 13.11 mi
1:35:24
Rank: #9673 (+70)
20K → Half
4:52 | 7:08/mi
25K· 15.53 mi
1:53:06
Rank: #9411 (+262)
Half → 25K
17:42 | 7:18/mi
30K· 18.64 mi
2:16:48
Rank: #9192 (+219)
25K → 30K
23:42 | 7:38/mi
20M
2:27:33
Rank: #9212 (-20)
30K → 20M
10:45 | 7:55/mi
21M
2:35:50
Rank: #9164 (+48)
20M → 21M
8:17 | 8:17/mi
35K· 21.75 mi
2:41:34
Rank: #9156 (+8)
21M → 35K
5:44 | 7:40/mi
23M
2:51:30
Rank: #9116 (+40)
35K → 23M
9:56 | 7:56/mi
24M
2:59:04
Rank: #9043 (+73)
23M → 24M
7:34 | 7:34/mi
40K· 24.85 mi
3:05:52
Rank: #9054 (-11)
24M → 40K
6:48 | 7:57/mi
25.2M
3:08:43
Rank: #9002 (+52)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:16:23
Rank: #8989 (+13)
25.2M → Finish
7:40 | 7:31/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
Time1:35:24
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:40:59
Pace7:42 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1922:587:2422:58
7:24
-
10K
6.21 mi11:19:0845:477:2222:49
7:21
-0:03
15K
9.32 mi11:41:321:08:117:1922:24
7:13
-0:08
20K
12.43 mi12:03:531:30:327:1722:21
7:12
-0:01
Half
13.11 mi12:08:451:35:247:174:52
7:08
-0:04
25K
15.53 mi12:26:271:53:067:1717:42
7:18
+0:10
30K
18.64 mi12:50:092:16:487:2023:42
7:38
+0:20
20M
20.00 mi13:00:542:27:337:2310:45
7:55
+0:17
21M
21.00 mi13:09:112:35:507:258:17
8:17
+0:22
35K
21.75 mi13:14:552:41:347:265:44
7:40
-0:37
23M
23.00 mi13:24:512:51:307:279:56
7:56
+0:16
24M
24.00 mi13:32:252:59:047:287:34
7:34
-0:22
40K
24.85 mi13:39:133:05:527:296:48
7:57
+0:23
25.2M
25.20 mi13:42:043:08:437:292:51
8:16
+0:19
Finish
26.22 mi13:49:443:16:237:307:40
7:31
-0:45

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

7:08 /mi

Average Pace

7:30 /mi

Slowest Pace

8:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:46

80% of race

Time at Steady Pace

38:37

20% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:29 /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 mi10:56:1922:587:2422:58
7:24
#11255
10K
6.21 mi11:19:0845:477:2222:49
7:21
#10940
15K
9.32 mi11:41:321:08:117:1922:24
7:13
#10347
20K
12.43 mi12:03:531:30:327:1722:21
7:12
#9743
Half
13.11 mi12:08:451:35:247:174:52
7:08
#9673
25K
15.53 mi12:26:271:53:067:1717:42
7:18
#9411
30K
18.64 mi12:50:092:16:487:2023:42
7:38
#9192
20M
20.00 mi13:00:542:27:337:2310:45
7:55
#9212
21M
21.00 mi13:09:112:35:507:258:17
8:17
#9164
35K
21.75 mi13:14:552:41:347:265:44
7:40
#9156
23M
23.00 mi13:24:512:51:307:279:56
7:56
#9116
24M
24.00 mi13:32:252:59:047:287:34
7:34
#9043
40K
24.85 mi13:39:133:05:527:296:48
7:57
#9054
25.2M
25.20 mi13:42:043:08:437:292:51
8:16
#9002
Finish
26.22 mi13:49:443:16:237:307:40
7:31
#8989
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi11255240024009232(Top 33%)1531(Top 13%)1531(Top 89%)
10K6.21 mi3.10 mi10940+3152276+1242276+12410703(Top 38%)2161(Top 18%)2161(Top 126%)
15K9.32 mi3.11 mi10347+5931995+2811995+2819232(Top 33%)1531(Top 13%)1531(Top 89%)
20K12.43 mi3.11 mi9743+6041752+2431752+2438179(Top 29%)1183(Top 10%)1183(Top 69%)
Half13.11 mi0.68 mi9673+701722+301722+308623(Top 30%)1344(Top 11%)1344(Top 78%)
25K15.53 mi2.42 mi9411+2621635+871635+878383(Top 30%)1375(Top 11%)1375(Top 80%)
30K18.64 mi3.11 mi9192+2191593+421593+428671(Top 31%)1681(Top 14%)1681(Top 98%)
20M20.00 mi1.36 mi9212-201629-361629-369828(Top 35%)2353(Top 19%)2353(Top 137%)
21M21.00 mi1.00 mi9164+481645-161645-169140(Top 32%)2220(Top 18%)2220(Top 129%)
35K21.75 mi0.75 mi9156+81662-171662-179809(Top 35%)2501(Top 20%)2501(Top 146%)
23M23.00 mi1.25 mi9116+401690-281690-289541(Top 34%)2507(Top 21%)2507(Top 146%)
24M24.00 mi1.00 mi9043+731687+31687+38189(Top 29%)1943(Top 16%)1943(Top 113%)
40K24.85 mi0.85 mi9054-111730-431730-439863(Top 35%)2843(Top 23%)2843(Top 165%)
25.2M25.20 mi0.35 mi9002+521726+41726+47514(Top 26%)1854(Top 15%)1854(Top 108%)
Finish26.22 mi1.02 mi8989+131762-361762-369372(Top 33%)2700(Top 22%)2700(Top 157%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9232

Females

1531

F40-44

1531

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10703

Females

2161

F40-44

2161

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9232

Females

1531

F40-44

1531

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

8179

Females

1183

F40-44

1183

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

8623

Females

1344

F40-44

1344

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8383

Females

1375

F40-44

1375

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8671

Females

1681

F40-44

1681

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9828

Females

2353

F40-44

2353

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

9140

Females

2220

F40-44

2220

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9809

Females

2501

F40-44

2501

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9541

Females

2507

F40-44

2507

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8189

Females

1943

F40-44

1943

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9863

Females

2843

F40-44

2843

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7514

Females

1854

F40-44

1854

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

9372

Females

2700

F40-44

2700

Passing Analysis

Category:
Athletes Passed
3094*
Passed By
828
Net Change
+2266
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11255
5K → 10K448133+315#11255#10940
10K → 15K60512+593#10940#10347
15K → 20K610*6+604#10347#9743
20K → Half8111+70#9743#9673
Half → 25K29836+262#9673#9411
25K → 30K323104+219#9411#9192
30K → 20M94114-20#9192#9212
20M → 21M12072+48#9212#9164
21M → 35K5648+8#9164#9156
35K → 23M12383+40#9156#9116
23M → 24M11037+73#9116#9043
24M → 40K8394-11#9043#9054
40K → 25.2M6311+52#9054#9002
25.2M → Finish8067+13#9002#8989
TOTALS3094*828+2266

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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