Boston Marathon logo
BOSTON MARATHON 2025

Allison Decort

Bib: 11598•F

FL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 42%
Gender (Female)
#0 / 12228
Top 27%
Masters (Masters Women)
#0 / 6759
Top 12%
Division (F40-44)
#0 / 1718
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:25/mi
23:04
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
46:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:28/mi
1:09:16
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:32:40
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:37:44
↑ 19↓ 370.5%
25K· 15.53 mi
7:37/mi
1:56:11
↑ 66↓ 880.2%
30K· 18.64 mi
8:00/mi
2:21:02
↑ 181↓ 1480.2%
20M
8:23/mi
2:32:25
↑ 64↓ 500.2%
21M
9:01/mi
2:41:26
↑ 106↓ 241.6%
35K· 21.75 mi
7:45/mi
2:47:14
↑ 17↓ 861.7%
23M
8:42/mi
2:58:08
↑ 23↓ 630.6%
24M
8:17/mi
3:06:25
↓ 821.3%
40K· 24.85 mi
8:57/mi
3:14:04
↓ 200.3%
25.2M
9:52/mi
3:17:28
↑ 13↓ 160.2%
Finish· 26.22 mi
8:24/mi
3:26:02
↑ 22↓ 21

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
Time1:37:44
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:48:18
Pace8:16 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5723:047:2523:04
7:25
-
10K
6.21 mi11:12:5846:057:2523:01
7:25
0:00
15K
9.32 mi11:36:091:09:167:2623:11
7:28
+0:03
20K
12.43 mi11:59:331:32:407:2723:24
7:32
+0:04
Half
13.11 mi12:04:371:37:447:275:04
7:26
-0:06
25K
15.53 mi12:23:041:56:117:2918:27
7:37
+0:11
30K
18.64 mi12:47:552:21:027:3424:51
8:00
+0:23
20M
20.00 mi12:59:182:32:257:3711:23
8:23
+0:23
21M
21.00 mi13:08:192:41:267:419:01
9:01
+0:38
35K
21.75 mi13:14:072:47:147:415:48
7:45
-1:16
23M
23.00 mi13:25:012:58:087:4510:54
8:42
+0:57
24M
24.00 mi13:33:183:06:257:468:17
8:17
-0:25
40K
24.85 mi13:40:573:14:047:487:39
8:57
+0:40
25.2M
25.20 mi13:44:213:17:287:503:24
9:52
+0:55
Finish
26.22 mi13:52:553:26:027:528:34
8:24
-1:28

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

7:52 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:11

56% of race

Time at Steady Pace

38:56

19% of race

Time at Slower Pace

50:55

25% of race

Average Pace: 7:51 /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 mi10:49:5723:047:2523:04
7:25
#11591
10K
6.21 mi11:12:5846:057:2523:01
7:25
#11391
15K
9.32 mi11:36:091:09:167:2623:11
7:28
#11372
20K
12.43 mi11:59:331:32:407:2723:24
7:32
#11288
Half
13.11 mi12:04:371:37:447:275:04
7:26
#11272
25K
15.53 mi12:23:041:56:117:2918:27
7:37
#11165
30K
18.64 mi12:47:552:21:027:3424:51
8:00
#11167
20M
20.00 mi12:59:182:32:257:3711:23
8:23
#11260
21M
21.00 mi13:08:192:41:267:419:01
9:01
#11353
35K
21.75 mi13:14:072:47:147:415:48
7:45
#11319
23M
23.00 mi13:25:012:58:087:4510:54
8:42
#11511
24M
24.00 mi13:33:183:06:257:468:17
8:17
#11574
40K
24.85 mi13:40:573:14:047:487:39
8:57
#11758
25.2M
25.20 mi13:44:213:17:287:503:24
9:52
#11859
Finish
26.22 mi13:52:553:26:027:528:34
8:24
#12007
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi115912574257411460(Top 40%)2614(Top 21%)2614(Top 152%)
10K6.21 mi3.10 mi11391+2002497+772497+7711280(Top 40%)2459(Top 20%)2459(Top 143%)
15K9.32 mi3.11 mi11372+192513-162513-1611460(Top 40%)2614(Top 21%)2614(Top 152%)
20K12.43 mi3.11 mi11288+842498+152498+1511050(Top 39%)2502(Top 20%)2502(Top 146%)
Half13.11 mi0.68 mi11272+162486+122486+1211198(Top 39%)2539(Top 21%)2539(Top 148%)
25K15.53 mi2.42 mi11165+1072478+82478+810880(Top 38%)2528(Top 21%)2528(Top 147%)
30K18.64 mi3.11 mi11167-22554-762554-7611372(Top 40%)2968(Top 24%)2968(Top 173%)
20M20.00 mi1.36 mi11260-932643-892643-8912999(Top 46%)3970(Top 32%)3970(Top 231%)
21M21.00 mi1.00 mi11353-932735-922735-9213621(Top 48%)4416(Top 36%)4416(Top 257%)
35K21.75 mi0.75 mi11319+342746-112746-1110519(Top 37%)2870(Top 23%)2870(Top 167%)
23M23.00 mi1.25 mi11511-1922889-1432889-14314588(Top 51%)5108(Top 42%)5108(Top 297%)
24M24.00 mi1.00 mi11574-632956-672956-6713148(Top 46%)4387(Top 36%)4387(Top 255%)
40K24.85 mi0.85 mi11758-1843075-1193075-11916008(Top 56%)6035(Top 49%)6035(Top 351%)
25.2M25.20 mi0.35 mi11859-1013153-783153-7816391(Top 58%)6252(Top 51%)6252(Top 364%)
Finish26.22 mi1.02 mi12007-1483250-973250-9715625(Top 55%)5807(Top 47%)5807(Top 338%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

11460

Females

2614

F40-44

2614

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

11280

Females

2459

F40-44

2459

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

11460

Females

2614

F40-44

2614

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

11050

Females

2502

F40-44

2502

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

11198

Females

2539

F40-44

2539

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10880

Females

2528

F40-44

2528

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

11372

Females

2968

F40-44

2968

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12999

Females

3970

F40-44

3970

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13621

Females

4416

F40-44

4416

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

10519

Females

2870

F40-44

2870

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14588

Females

5108

F40-44

5108

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

13148

Females

4387

F40-44

4387

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

16008

Females

6035

F40-44

6035

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16391

Females

6252

F40-44

6252

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15625

Females

5807

F40-44

5807

Passing Analysis

Category:
Athletes Passed
1686
Passed By
2102
Net Change
-416
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11591
5K → 10K358158+200#11591#11391
10K → 15K194175+19#11391#11372
15K → 20K215131+84#11372#11288
20K → Half4125+16#11288#11272
Half → 25K213106+107#11272#11165
25K → 30K229231-2#11165#11167
30K → 20M88181-93#11167#11260
20M → 21M62155-93#11260#11353
21M → 35K7440+34#11353#11319
35K → 23M56248-192#11319#11511
23M → 24M75138-63#11511#11574
24M → 40K35219-184#11574#11758
40K → 25.2M18119-101#11758#11859
25.2M → Finish28176-148#11859#12007
TOTALS16862102-416
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing