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BOSTON MARATHON 2025

Allyson Casey

Bib: 9713•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 29%
Gender (Female)
#0 / 12228
Top 12%
Masters (Masters Women)
#0 / 6759
Top 4%
Division (F45-49)
#0 / 1813
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:45
Rank: #10587
Start → 5K
22:45 | 7:19/mi
10K· 6.21 mi
45:37
Rank: #10689 (-102)
5K → 10K
22:52 | 7:22/mi
15K· 9.32 mi
1:08:28
Rank: #10606 (+83)
10K → 15K
22:51 | 7:21/mi
20K· 12.43 mi
1:31:15
Rank: #10241 (+365)
15K → 20K
22:47 | 7:20/mi
Half· 13.11 mi
1:36:11
Rank: #10195 (+46)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:53:55
Rank: #9855 (+340)
Half → 25K
17:44 | 7:19/mi
30K· 18.64 mi
2:17:10
Rank: #9360 (+495)
25K → 30K
23:15 | 7:29/mi
20M
2:27:19
Rank: #9114 (+246)
30K → 20M
10:09 | 7:28/mi
21M
2:35:06
Rank: #8857 (+257)
20M → 21M
7:47 | 7:47/mi
35K· 21.75 mi
2:40:31
Rank: #8752 (+105)
21M → 35K
5:25 | 7:14/mi
23M
2:50:02
Rank: #8569 (+183)
35K → 23M
9:31 | 7:36/mi
24M
2:57:31
Rank: #8488 (+81)
23M → 24M
7:29 | 7:29/mi
40K· 24.85 mi
3:04:00
Rank: #8394 (+94)
24M → 40K
6:29 | 7:35/mi
25.2M
3:06:48
Rank: #8340 (+54)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:14:03
Rank: #8239 (+101)
25.2M → Finish
7:15 | 7:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:11
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:37:52
Pace7:28 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3322:457:1922:45
7:19
-
10K
6.21 mi11:11:2545:377:2022:52
7:22
+0:03
15K
9.32 mi11:34:161:08:287:2122:51
7:21
-0:01
20K
12.43 mi11:57:031:31:157:2122:47
7:20
-0:01
Half
13.11 mi12:01:591:36:117:204:56
7:14
-0:06
25K
15.53 mi12:19:431:53:557:2017:44
7:19
+0:05
30K
18.64 mi12:42:582:17:107:2123:15
7:29
+0:10
20M
20.00 mi12:53:072:27:197:2210:09
7:28
-0:01
21M
21.00 mi13:00:542:35:067:237:47
7:47
+0:19
35K
21.75 mi13:06:192:40:317:235:25
7:14
-0:33
23M
23.00 mi13:15:502:50:027:249:31
7:36
+0:22
24M
24.00 mi13:23:192:57:317:247:29
7:29
-0:07
40K
24.85 mi13:29:483:04:007:246:29
7:35
+0:06
25.2M
25.20 mi13:32:363:06:487:252:48
8:07
+0:32
Finish
26.22 mi13:39:513:14:037:247:15
7:07
-1:00

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

7:07 /mi

Average Pace

7:24 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:15

99% of race

Time at Steady Pace

2:48

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:24 /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 mi10:48:3322:457:1922:45
7:19
#10587
10K
6.21 mi11:11:2545:377:2022:52
7:22
#10689
15K
9.32 mi11:34:161:08:287:2122:51
7:21
#10606
20K
12.43 mi11:57:031:31:157:2122:47
7:20
#10241
Half
13.11 mi12:01:591:36:117:204:56
7:14
#10195
25K
15.53 mi12:19:431:53:557:2017:44
7:19
#9855
30K
18.64 mi12:42:582:17:107:2123:15
7:29
#9360
20M
20.00 mi12:53:072:27:197:2210:09
7:28
#9114
21M
21.00 mi13:00:542:35:067:237:47
7:47
#8857
35K
21.75 mi13:06:192:40:317:235:25
7:14
#8752
23M
23.00 mi13:15:502:50:027:249:31
7:36
#8569
24M
24.00 mi13:23:192:57:317:247:29
7:29
#8488
40K
24.85 mi13:29:483:04:007:246:29
7:35
#8394
25.2M
25.20 mi13:32:363:06:487:252:48
8:07
#8340
Finish
26.22 mi13:39:513:14:037:247:15
7:07
#8239
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi105872077207710456(Top 37%)2091(Top 17%)2091(Top 115%)
10K6.21 mi3.10 mi10689-1022150-732150-7310836(Top 38%)2216(Top 18%)2216(Top 122%)
15K9.32 mi3.11 mi10606+832128+222128+2210456(Top 37%)2091(Top 17%)2091(Top 115%)
20K12.43 mi3.11 mi10241+3651981+1471981+1479322(Top 33%)1653(Top 14%)1653(Top 91%)
Half13.11 mi0.68 mi10195+461965+161965+169427(Top 33%)1670(Top 14%)1670(Top 92%)
25K15.53 mi2.42 mi9855+3401838+1271838+1278488(Top 30%)1417(Top 12%)1417(Top 78%)
30K18.64 mi3.11 mi9360+4951662+1761662+1767651(Top 27%)1254(Top 10%)1254(Top 69%)
20M20.00 mi1.36 mi9114+2461585+771585+776835(Top 24%)1096(Top 9%)1096(Top 60%)
21M21.00 mi1.00 mi8857+2571511+741511+746133(Top 22%)978(Top 8%)978(Top 54%)
35K21.75 mi0.75 mi8752+1051491+201491+206904(Top 24%)1255(Top 10%)1255(Top 69%)
23M23.00 mi1.25 mi8569+1831460+311460+317278(Top 26%)1514(Top 12%)1514(Top 84%)
24M24.00 mi1.00 mi8488+811462-21462-27592(Top 27%)1698(Top 14%)1698(Top 94%)
40K24.85 mi0.85 mi8394+941458+41458+47334(Top 26%)1686(Top 14%)1686(Top 93%)
25.2M25.20 mi0.35 mi8340+541456+21456+26666(Top 23%)1494(Top 12%)1494(Top 82%)
Finish26.22 mi1.02 mi8239+1011449+71449+76496(Top 23%)1439(Top 12%)1439(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10456

Females

2091

F45-49

2091

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10836

Females

2216

F45-49

2216

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10456

Females

2091

F45-49

2091

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9322

Females

1653

F45-49

1653

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9427

Females

1670

F45-49

1670

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8488

Females

1417

F45-49

1417

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7651

Females

1254

F45-49

1254

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6835

Females

1096

F45-49

1096

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6133

Females

978

F45-49

978

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6904

Females

1255

F45-49

1255

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7278

Females

1514

F45-49

1514

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7592

Females

1698

F45-49

1698

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7334

Females

1686

F45-49

1686

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6666

Females

1494

F45-49

1494

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6496

Females

1439

F45-49

1439

Passing Analysis

Category:
Athletes Passed
3000*
Passed By
652
Net Change
+2348
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10587
5K → 10K204306-102#10587#10689
10K → 15K207124+83#10689#10606
15K → 20K39025+365#10606#10241
20K → Half5610+46#10241#10195
Half → 25K358*18+340#10195#9855
25K → 30K51621+495#9855#9360
30K → 20M25711+246#9360#9114
20M → 21M2625+257#9114#8857
21M → 35K1149+105#8857#8752
35K → 23M21027+183#8752#8569
23M → 24M11635+81#8569#8488
24M → 40K11824+94#8488#8394
40K → 25.2M6612+54#8394#8340
25.2M → Finish12625+101#8340#8239
TOTALS3000*652+2348

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

📊

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