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BOSTON MARATHON 2025

Ashley Carlson

Bib: 20262•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 45%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:48
Rank: #20614
Start → 5K
26:48 | 8:38/mi
10K· 6.21 mi
53:52
Rank: #20743 (-129)
5K → 10K
27:04 | 8:43/mi
15K· 9.32 mi
1:20:51
Rank: #20607 (+136)
10K → 15K
26:59 | 8:41/mi
20K· 12.43 mi
1:47:36
Rank: #20181 (+426)
15K → 20K
26:45 | 8:37/mi
Half· 13.11 mi
1:53:22
Rank: #20106 (+75)
20K → Half
5:46 | 8:27/mi
25K· 15.53 mi
2:14:23
Rank: #19786 (+320)
Half → 25K
21:01 | 8:40/mi
30K· 18.64 mi
2:42:01
Rank: #19288 (+498)
25K → 30K
27:38 | 8:54/mi
20M
2:54:09
Rank: #19060 (+228)
30K → 20M
12:08 | 8:56/mi
21M
3:03:43
Rank: #18902 (+158)
20M → 21M
9:34 | 9:34/mi
35K· 21.75 mi
3:10:02
Rank: #18755 (+147)
21M → 35K
6:19 | 8:27/mi
23M
3:20:56
Rank: #18500 (+255)
35K → 23M
10:54 | 8:42/mi
24M
3:29:38
Rank: #18359 (+141)
23M → 24M
8:42 | 8:42/mi
40K· 24.85 mi
3:37:17
Rank: #18267 (+92)
24M → 40K
7:39 | 8:57/mi
25.2M
3:40:40
Rank: #18240 (+27)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:49:30
Rank: #18210 (+30)
25.2M → Finish
8:50 | 8:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:22
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time1:56:08
Pace8:52 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:5326:488:3826:48
8:38
-
10K
6.21 mi11:55:5753:528:4027:04
8:43
+0:05
15K
9.32 mi12:22:561:20:518:4026:59
8:41
-0:02
20K
12.43 mi12:49:411:47:368:3926:45
8:37
-0:04
Half
13.11 mi12:55:271:53:228:395:46
8:27
-0:10
25K
15.53 mi13:16:282:14:238:3921:01
8:40
+0:13
30K
18.64 mi13:44:062:42:018:4127:38
8:54
+0:14
20M
20.00 mi13:56:142:54:098:4212:08
8:56
+0:02
21M
21.00 mi14:05:483:03:438:459:34
9:34
+0:38
35K
21.75 mi14:12:073:10:028:446:19
8:27
-1:07
23M
23.00 mi14:23:013:20:568:4410:54
8:42
+0:15
24M
24.00 mi14:31:433:29:388:448:42
8:42
0:00
40K
24.85 mi14:39:223:37:178:457:39
8:57
+0:15
25.2M
25.20 mi14:42:453:40:408:453:23
9:49
+0:52
Finish
26.22 mi14:51:353:49:308:468:50
8:40
-1:09

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

8:27 /mi

Average Pace

8:46 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:36:33

94% of race

Time at Steady Pace

12:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:45 /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 mi11:28:5326:488:3826:48
8:38
#20614
10K
6.21 mi11:55:5753:528:4027:04
8:43
#20743
15K
9.32 mi12:22:561:20:518:4026:59
8:41
#20607
20K
12.43 mi12:49:411:47:368:3926:45
8:37
#20181
Half
13.11 mi12:55:271:53:228:395:46
8:27
#20106
25K
15.53 mi13:16:282:14:238:3921:01
8:40
#19786
30K
18.64 mi13:44:062:42:018:4127:38
8:54
#19288
20M
20.00 mi13:56:142:54:098:4212:08
8:56
#19060
21M
21.00 mi14:05:483:03:438:459:34
9:34
#18902
35K
21.75 mi14:12:073:10:028:446:19
8:27
#18755
23M
23.00 mi14:23:013:20:568:4410:54
8:42
#18500
24M
24.00 mi14:31:433:29:388:448:42
8:42
#18359
40K
24.85 mi14:39:223:37:178:457:39
8:57
#18267
25.2M
25.20 mi14:42:453:40:408:453:23
9:49
#18240
Finish
26.22 mi14:51:353:49:308:468:50
8:40
#18210
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi206147863786320407(Top 72%)7655(Top 63%)7655(Top 446%)
10K6.21 mi3.10 mi20743-1297909-467909-4620947(Top 74%)7989(Top 65%)7989(Top 465%)
15K9.32 mi3.11 mi20607+1367813+967813+9620407(Top 72%)7655(Top 63%)7655(Top 446%)
20K12.43 mi3.11 mi20181+4267579+2347579+23418916(Top 67%)6868(Top 56%)6868(Top 400%)
Half13.11 mi0.68 mi20106+757535+447535+4418929(Top 67%)6852(Top 56%)6852(Top 399%)
25K15.53 mi2.42 mi19786+3207361+1747361+17418213(Top 64%)6544(Top 54%)6544(Top 381%)
30K18.64 mi3.11 mi19288+4987120+2417120+24117132(Top 60%)6098(Top 50%)6098(Top 355%)
20M20.00 mi1.36 mi19060+2287016+1047016+10416435(Top 58%)5848(Top 48%)5848(Top 340%)
21M21.00 mi1.00 mi18902+1586949+676949+6716404(Top 58%)5934(Top 49%)5934(Top 345%)
35K21.75 mi0.75 mi18755+1476883+666883+6615186(Top 53%)5348(Top 44%)5348(Top 311%)
23M23.00 mi1.25 mi18500+2556766+1176766+11714623(Top 51%)5143(Top 42%)5143(Top 299%)
24M24.00 mi1.00 mi18359+1416713+536713+5315786(Top 56%)5804(Top 47%)5804(Top 338%)
40K24.85 mi0.85 mi18267+926693+206693+2016036(Top 56%)6063(Top 50%)6063(Top 353%)
25.2M25.20 mi0.35 mi18240+276688+56688+516223(Top 57%)6208(Top 51%)6208(Top 361%)
Finish26.22 mi1.02 mi18210+306685+36685+317310(Top 61%)6713(Top 55%)6713(Top 391%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20407

Females

7655

F40-44

7655

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

20947

Females

7989

F40-44

7989

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20407

Females

7655

F40-44

7655

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

18916

Females

6868

F40-44

6868

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

18929

Females

6852

F40-44

6852

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18213

Females

6544

F40-44

6544

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

17132

Females

6098

F40-44

6098

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

16435

Females

5848

F40-44

5848

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16404

Females

5934

F40-44

5934

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

15186

Females

5348

F40-44

5348

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

14623

Females

5143

F40-44

5143

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15786

Females

5804

F40-44

5804

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

16036

Females

6063

F40-44

6063

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16223

Females

6208

F40-44

6208

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

17310

Females

6713

F40-44

6713

Passing Analysis

Category:
Athletes Passed
3114
Passed By
710
Net Change
+2404
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20614
5K → 10K221350-129#20614#20743
10K → 15K264128+136#20743#20607
15K → 20K45125+426#20607#20181
20K → Half827+75#20181#20106
Half → 25K33919+320#20106#19786
25K → 30K52527+498#19786#19288
30K → 20M23911+228#19288#19060
20M → 21M18830+158#19060#18902
21M → 35K1503+147#18902#18755
35K → 23M2627+255#18755#18500
23M → 24M15514+141#18500#18359
24M → 40K11624+92#18359#18267
40K → 25.2M4114+27#18267#18240
25.2M → Finish8151+30#18240#18210
TOTALS3114710+2404
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing