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BOSTON MARATHON 2025

Mary Duchesney

Bib: 24998•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
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
9:13/mi
28:39
↑ 97↓ 3451.5%
10K· 6.21 mi
9:25/mi
57:53
↑ 79↓ 1380.4%
15K· 9.32 mi
10:04/mi
1:29:09
↑ 67↓ 78
20K· 12.43 mi
9:47/mi
1:59:33
↑ 106↓ 860.1%
Half· 13.11 mi
9:45/mi
2:06:12
↑ 19↓ 370.5%
25K· 15.53 mi
10:03/mi
2:30:35
↑ 66↓ 880.2%
30K· 18.64 mi
10:40/mi
3:03:43
↑ 181↓ 1480.2%
20M
11:01/mi
3:18:41
↑ 64↓ 500.2%
21M
11:32/mi
3:30:13
↑ 106↓ 241.6%
35K· 21.75 mi
10:38/mi
3:38:10
↑ 17↓ 861.7%
23M
10:51/mi
3:51:45
↑ 23↓ 630.6%
24M
10:44/mi
4:02:29
↓ 821.3%
40K· 24.85 mi
10:48/mi
4:11:43
↓ 200.3%
25.2M
11:42/mi
4:15:45
↑ 13↓ 160.2%
Finish· 26.22 mi
10:26/mi
4:26:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:12
Pace9:38 /mi
2nd Half
Distance13.11 mi
Time2:20:11
Pace10:42 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:1928:399:1328:39
9:13
-
10K
6.21 mi11:58:3357:539:1929:14
9:25
+0:12
15K
9.32 mi12:29:491:29:099:3431:16
10:04
+0:39
20K
12.43 mi13:00:131:59:339:3730:24
9:47
-0:17
Half
13.11 mi13:06:522:06:129:386:39
9:45
-0:02
25K
15.53 mi13:31:152:30:359:4224:23
10:03
+0:18
30K
18.64 mi14:04:233:03:439:5133:08
10:40
+0:37
20M
20.00 mi14:19:213:18:419:5614:58
11:01
+0:21
21M
21.00 mi14:30:533:30:1310:0111:32
11:32
+0:31
35K
21.75 mi14:38:503:38:1010:027:57
10:38
-0:54
23M
23.00 mi14:52:253:51:4510:0513:35
10:51
+0:13
24M
24.00 mi15:03:094:02:2910:0610:44
10:44
-0:07
40K
24.85 mi15:12:234:11:4310:089:14
10:48
+0:04
25.2M
25.20 mi15:16:254:15:4510:094:02
11:42
+0:54
Finish
26.22 mi15:27:034:26:2310:1010:38
10:26
-1:16

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

9:13 /mi

Average Pace

10:10 /mi

Slowest Pace

11:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:35

57% of race

Time at Steady Pace

1:25:16

32% of race

Time at Slower Pace

30:32

11% of race

Average Pace: 10:10 /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 mi11:29:1928:399:1328:39
9:13
#23306
10K
6.21 mi11:58:3357:539:1929:14
9:25
#23616
15K
9.32 mi12:29:491:29:099:3431:16
10:04
#24217
20K
12.43 mi13:00:131:59:339:3730:24
9:47
#24083
Half
13.11 mi13:06:522:06:129:386:39
9:45
#24086
25K
15.53 mi13:31:152:30:359:4224:23
10:03
#23965
30K
18.64 mi14:04:233:03:439:5133:08
10:40
#23836
20M
20.00 mi14:19:213:18:419:5614:58
11:01
#23834
21M
21.00 mi14:30:533:30:1310:0111:32
11:32
#23766
35K
21.75 mi14:38:503:38:1010:027:57
10:38
#23747
23M
23.00 mi14:52:253:51:4510:0513:35
10:51
#23677
24M
24.00 mi15:03:094:02:2910:0610:44
10:44
#23679
40K
24.85 mi15:12:234:11:4310:089:14
10:48
#23655
25.2M
25.20 mi15:16:254:15:4510:094:02
11:42
#23639
Finish
26.22 mi15:27:034:26:2310:1010:38
10:26
#23635
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi233069335933525128(Top 88%)10292(Top 84%)10292(Top 1035%)
10K6.21 mi3.10 mi23616-3109491-1569491-15623855(Top 84%)9598(Top 78%)9598(Top 966%)
15K9.32 mi3.11 mi24217-6019799-3089799-30825128(Top 88%)10292(Top 84%)10292(Top 1035%)
20K12.43 mi3.11 mi24083+1349734+659734+6523726(Top 84%)9562(Top 78%)9562(Top 962%)
Half13.11 mi0.68 mi24086-39742-89742-824260(Top 85%)9849(Top 81%)9849(Top 991%)
25K15.53 mi2.42 mi23965+1219677+659677+6523411(Top 82%)9434(Top 77%)9434(Top 949%)
30K18.64 mi3.11 mi23836+1299645+329645+3223314(Top 82%)9501(Top 78%)9501(Top 956%)
20M20.00 mi1.36 mi23834+29662-179662-1723611(Top 83%)9743(Top 80%)9743(Top 980%)
21M21.00 mi1.00 mi23766+689640+229640+2222687(Top 80%)9344(Top 76%)9344(Top 940%)
35K21.75 mi0.75 mi23747+199643-39643-323439(Top 83%)9771(Top 80%)9771(Top 983%)
23M23.00 mi1.25 mi23677+709623+209623+2022881(Top 81%)9542(Top 78%)9542(Top 960%)
24M24.00 mi1.00 mi23679-29639-169639-1623411(Top 82%)9836(Top 80%)9836(Top 990%)
40K24.85 mi0.85 mi23655+249645-69645-622695(Top 80%)9554(Top 78%)9554(Top 961%)
25.2M25.20 mi0.35 mi23639+169642+39642+322591(Top 80%)9467(Top 77%)9467(Top 952%)
Finish26.22 mi1.02 mi23635+49658-169658-1624149(Top 85%)10243(Top 84%)10243(Top 1030%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

25128

Females

10292

F55-59

10292

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

23855

Females

9598

F55-59

9598

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

25128

Females

10292

F55-59

10292

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23726

Females

9562

F55-59

9562

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24260

Females

9849

F55-59

9849

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23411

Females

9434

F55-59

9434

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23314

Females

9501

F55-59

9501

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23611

Females

9743

F55-59

9743

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

22687

Females

9344

F55-59

9344

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

23439

Females

9771

F55-59

9771

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

22881

Females

9542

F55-59

9542

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

23411

Females

9836

F55-59

9836

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22695

Females

9554

F55-59

9554

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22591

Females

9467

F55-59

9467

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

24149

Females

10243

F55-59

10243

Passing Analysis

Category:
Athletes Passed
1286
Passed By
1615
Net Change
-329
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23306
5K → 10K120430-310#23306#23616
10K → 15K40641-601#23616#24217
15K → 20K20066+134#24217#24083
20K → Half2629-3#24083#24086
Half → 25K18362+121#24086#23965
25K → 30K21687+129#23965#23836
30K → 20M7674+2#23836#23834
20M → 21M11345+68#23834#23766
21M → 35K4425+19#23766#23747
35K → 23M10131+70#23747#23677
23M → 24M4244-2#23677#23679
24M → 40K5430+24#23679#23655
40K → 25.2M259+16#23655#23639
25.2M → Finish4642+4#23639#23635
TOTALS12861615-329
📊

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