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BOSTON MARATHON 2025

Marcy Frazho

Bib: 19860•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
8:16/mi
25:42
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
52:05
↑ 79↓ 1380.4%
15K· 9.32 mi
8:31/mi
1:18:32
↑ 67↓ 78
20K· 12.43 mi
8:35/mi
1:45:12
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:51:05
↑ 19↓ 370.5%
25K· 15.53 mi
9:13/mi
2:13:27
↑ 66↓ 880.2%
30K· 18.64 mi
10:58/mi
2:47:30
↑ 181↓ 1480.2%
20M
11:32/mi
3:03:10
↑ 64↓ 500.2%
21M
13:36/mi
3:16:46
↑ 106↓ 241.6%
35K· 21.75 mi
9:45/mi
3:24:04
↑ 17↓ 861.7%
23M
11:40/mi
3:38:41
↑ 23↓ 630.6%
24M
10:36/mi
3:49:17
↓ 821.3%
40K· 24.85 mi
10:36/mi
3:58:21
↓ 200.3%
25.2M
12:46/mi
4:02:45
↑ 13↓ 160.2%
Finish· 26.22 mi
10:04/mi
4:13:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:05
Pace8:28 /mi
2nd Half
Distance13.11 mi
Time2:21:55
Pace10:50 /mi
📊Positive Split: 27.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0625:428:1625:42
8:16
-
10K
6.21 mi11:44:2952:058:2326:23
8:30
+0:14
15K
9.32 mi12:10:561:18:328:2626:27
8:31
+0:01
20K
12.43 mi12:37:361:45:128:2826:40
8:35
+0:04
Half
13.11 mi12:43:291:51:058:285:53
8:37
+0:02
25K
15.53 mi13:05:512:13:278:3522:22
9:13
+0:36
30K
18.64 mi13:39:542:47:308:5934:03
10:58
+1:45
20M
20.00 mi13:55:343:03:109:0915:40
11:32
+0:34
21M
21.00 mi14:09:103:16:469:2213:36
13:36
+2:04
35K
21.75 mi14:16:283:24:049:237:18
9:45
-3:51
23M
23.00 mi14:31:053:38:419:3014:37
11:40
+1:55
24M
24.00 mi14:41:413:49:179:3310:36
10:36
-1:04
40K
24.85 mi14:50:453:58:219:359:04
10:36
0:00
25.2M
25.20 mi14:55:094:02:459:384:24
12:46
+2:10
Finish
26.22 mi15:05:244:13:009:3910:15
10:04
-2:42

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

8:16 /mi

Average Pace

9:39 /mi

Slowest Pace

13:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:27

53% of race

Time at Steady Pace

37:13

15% of race

Time at Slower Pace

1:22:20

33% of race

Average Pace: 9:39 /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 mi11:18:0625:428:1625:42
8:16
#18557
10K
6.21 mi11:44:2952:058:2326:23
8:30
#19138
15K
9.32 mi12:10:561:18:328:2626:27
8:31
#19198
20K
12.43 mi12:37:361:45:128:2826:40
8:35
#19047
Half
13.11 mi12:43:291:51:058:285:53
8:37
#19090
25K
15.53 mi13:05:512:13:278:3522:22
9:13
#19458
30K
18.64 mi13:39:542:47:308:5934:03
10:58
#20799
20M
20.00 mi13:55:343:03:109:0915:40
11:32
#21285
21M
21.00 mi14:09:103:16:469:2213:36
13:36
#21805
35K
21.75 mi14:16:283:24:049:237:18
9:45
#21782
23M
23.00 mi14:31:053:38:419:3014:37
11:40
#21982
24M
24.00 mi14:41:413:49:179:3310:36
10:36
#22032
40K
24.85 mi14:50:453:58:219:359:04
10:36
#22031
25.2M
25.20 mi14:55:094:02:459:384:24
12:46
#22091
Finish
26.22 mi15:05:244:13:009:3910:15
10:04
#22119
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi185576665666519420(Top 68%)7134(Top 58%)7134(Top 415%)
10K6.21 mi3.10 mi19138-5816983-3186983-31819762(Top 70%)7342(Top 60%)7342(Top 427%)
15K9.32 mi3.11 mi19198-607011-287011-2819420(Top 68%)7134(Top 58%)7134(Top 415%)
20K12.43 mi3.11 mi19047+1516933+786933+7818767(Top 66%)6787(Top 56%)6787(Top 395%)
Half13.11 mi0.68 mi19090-436959-266959-2620010(Top 70%)7498(Top 61%)7498(Top 436%)
25K15.53 mi2.42 mi19458-3687178-2197178-21920889(Top 74%)8032(Top 66%)8032(Top 468%)
30K18.64 mi3.11 mi20799-13417987-8097987-80923935(Top 84%)9834(Top 80%)9834(Top 572%)
20M20.00 mi1.36 mi21285-4868265-2788265-27824584(Top 87%)10259(Top 84%)10259(Top 597%)
21M21.00 mi1.00 mi21805-5208556-2918556-29125774(Top 91%)10932(Top 89%)10932(Top 636%)
35K21.75 mi0.75 mi21782+238563-78563-721221(Top 75%)8629(Top 71%)8629(Top 502%)
23M23.00 mi1.25 mi21982-2008706-1438706-14324561(Top 86%)10370(Top 85%)10370(Top 604%)
24M24.00 mi1.00 mi22032-508757-518757-5123085(Top 81%)9678(Top 79%)9678(Top 563%)
40K24.85 mi0.85 mi22031+18773-168773-1622213(Top 78%)9314(Top 76%)9314(Top 542%)
25.2M25.20 mi0.35 mi22091-608817-448817-4424689(Top 87%)10507(Top 86%)10507(Top 612%)
Finish26.22 mi1.02 mi22119-288847-308847-3023112(Top 81%)9719(Top 79%)9719(Top 566%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

19420

Females

7134

F40-44

7134

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19762

Females

7342

F40-44

7342

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

19420

Females

7134

F40-44

7134

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

18767

Females

6787

F40-44

6787

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

20010

Females

7498

F40-44

7498

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

20889

Females

8032

F40-44

8032

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23935

Females

9834

F40-44

9834

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

24584

Females

10259

F40-44

10259

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25774

Females

10932

F40-44

10932

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

21221

Females

8629

F40-44

8629

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24561

Females

10370

F40-44

10370

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

23085

Females

9678

F40-44

9678

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22213

Females

9314

F40-44

9314

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24689

Females

10507

F40-44

10507

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

23112

Females

9719

F40-44

9719

Passing Analysis

Category:
Athletes Passed
941
Passed By
4503
Net Change
-3562
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18557
5K → 10K92673-581#18557#19138
10K → 15K184244-60#19138#19198
15K → 20K271120+151#19198#19047
20K → Half1861-43#19047#19090
Half → 25K76444-368#19090#19458
25K → 30K281369-1341#19458#20799
30K → 20M23509-486#20799#21285
20M → 21M9529-520#21285#21805
21M → 35K5936+23#21805#21782
35K → 23M41241-200#21782#21982
23M → 24M3787-50#21982#22032
24M → 40K4948+1#22032#22031
40K → 25.2M1373-60#22031#22091
25.2M → Finish4169-28#22091#22119
TOTALS9414503-3562
📊

Passing Visuals

Category:
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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