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BOSTON MARATHON 2025

Deborah Miller

Bib: 25723•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
10:13/mi
31:45
↑ 97↓ 3451.5%
10K· 6.21 mi
9:41/mi
1:01:50
↑ 79↓ 1380.4%
15K· 9.32 mi
10:25/mi
1:34:11
↑ 67↓ 78
20K· 12.43 mi
10:27/mi
2:06:39
↑ 106↓ 860.1%
Half· 13.11 mi
9:49/mi
2:13:21
↑ 19↓ 370.5%
25K· 15.53 mi
10:48/mi
2:39:33
↑ 66↓ 880.2%
30K· 18.64 mi
10:42/mi
3:12:49
↑ 181↓ 1480.2%
20M
10:35/mi
3:27:12
↑ 64↓ 500.2%
21M
11:19/mi
3:38:31
↑ 106↓ 241.6%
35K· 21.75 mi
10:42/mi
3:46:31
↑ 17↓ 861.7%
23M
10:48/mi
4:00:02
↑ 23↓ 630.6%
24M
11:00/mi
4:11:02
↓ 821.3%
40K· 24.85 mi
10:28/mi
4:19:59
↓ 200.3%
25.2M
11:33/mi
4:23:58
↑ 13↓ 160.2%
Finish· 26.22 mi
9:50/mi
4:33:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:21
Pace10:10 /mi
2nd Half
Distance13.11 mi
Time2:20:38
Pace10:44 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:1531:4510:1331:45
10:13
-
10K
6.21 mi12:17:201:01:509:5730:05
9:41
-0:32
15K
9.32 mi12:49:411:34:1110:0632:21
10:25
+0:44
20K
12.43 mi13:22:092:06:3910:1132:28
10:27
+0:02
Half
13.11 mi13:28:512:13:2110:106:42
9:49
-0:38
25K
15.53 mi13:55:032:39:3310:1626:12
10:48
+0:59
30K
18.64 mi14:28:193:12:4910:2133:16
10:42
-0:06
20M
20.00 mi14:42:423:27:1210:2214:23
10:35
-0:07
21M
21.00 mi14:54:013:38:3110:2411:19
11:19
+0:44
35K
21.75 mi15:02:013:46:3110:258:00
10:42
-0:37
23M
23.00 mi15:15:324:00:0210:2613:31
10:48
+0:06
24M
24.00 mi15:26:324:11:0210:2811:00
11:00
+0:12
40K
24.85 mi15:35:294:19:5910:288:57
10:28
-0:32
25.2M
25.20 mi15:39:284:23:5810:283:59
11:33
+1:05
Finish
26.22 mi15:49:294:33:5910:2710:01
9:50
-1:43

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

9:41 /mi

Average Pace

10:27 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:42

61% of race

Time at Steady Pace

1:43:18

38% of race

Time at Slower Pace

3:59

1% of race

Average Pace: 10:27 /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 mi11:47:1531:4510:1331:45
10:13
#26108
10K
6.21 mi12:17:201:01:509:5730:05
9:41
#25313
15K
9.32 mi12:49:411:34:1110:0632:21
10:25
#25549
20K
12.43 mi13:22:092:06:3910:1132:28
10:27
#25416
Half
13.11 mi13:28:512:13:2110:106:42
9:49
#25360
25K
15.53 mi13:55:032:39:3310:1626:12
10:48
#25262
30K
18.64 mi14:28:193:12:4910:2133:16
10:42
#24963
20M
20.00 mi14:42:423:27:1210:2214:23
10:35
#24802
21M
21.00 mi14:54:013:38:3110:2411:19
11:19
#24682
35K
21.75 mi15:02:013:46:3110:258:00
10:42
#24661
23M
23.00 mi15:15:324:00:0210:2613:31
10:48
#24568
24M
24.00 mi15:26:324:11:0210:2811:00
11:00
#24540
40K
24.85 mi15:35:294:19:5910:288:57
10:28
#24458
25.2M
25.20 mi15:39:284:23:5810:283:59
11:33
#24433
Finish
26.22 mi15:49:294:33:5910:2710:01
9:50
#24372
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26108108141081425785(Top 91%)10669(Top 87%)10669(Top 195%)
10K6.21 mi3.10 mi25313+79510403+41110403+41124575(Top 87%)10000(Top 82%)10000(Top 183%)
15K9.32 mi3.11 mi25549-23610525-12210525-12225785(Top 91%)10669(Top 87%)10669(Top 195%)
20K12.43 mi3.11 mi25416+13310467+5810467+5825112(Top 88%)10322(Top 84%)10322(Top 189%)
Half13.11 mi0.68 mi25360+5610438+2910438+2924453(Top 86%)9974(Top 82%)9974(Top 182%)
25K15.53 mi2.42 mi25262+9810398+4010398+4024924(Top 88%)10242(Top 84%)10242(Top 187%)
30K18.64 mi3.11 mi24963+29910260+13810260+13823420(Top 82%)9563(Top 78%)9563(Top 175%)
20M20.00 mi1.36 mi24802+16110185+7510185+7522670(Top 80%)9241(Top 76%)9241(Top 169%)
21M21.00 mi1.00 mi24682+12010133+5210133+5222208(Top 78%)9088(Top 74%)9088(Top 166%)
35K21.75 mi0.75 mi24661+2110127+610127+623583(Top 83%)9849(Top 81%)9849(Top 180%)
23M23.00 mi1.25 mi24568+9310101+2610101+2622750(Top 80%)9473(Top 77%)9473(Top 173%)
24M24.00 mi1.00 mi24540+2810095+610095+623998(Top 84%)10116(Top 83%)10116(Top 185%)
40K24.85 mi0.85 mi24458+8210057+3810057+3821864(Top 77%)9137(Top 75%)9137(Top 167%)
25.2M25.20 mi0.35 mi24433+2510044+1310044+1322229(Top 78%)9279(Top 76%)9279(Top 170%)
Finish26.22 mi1.02 mi24372+6110033+1110033+1122408(Top 79%)9383(Top 77%)9383(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25785

Females

10669

F18-39

10669

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24575

Females

10000

F18-39

10000

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25785

Females

10669

F18-39

10669

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

25112

Females

10322

F18-39

10322

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

24453

Females

9974

F18-39

9974

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

24924

Females

10242

F18-39

10242

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23420

Females

9563

F18-39

9563

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

22670

Females

9241

F18-39

9241

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22208

Females

9088

F18-39

9088

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

23583

Females

9849

F18-39

9849

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22750

Females

9473

F18-39

9473

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

23998

Females

10116

F18-39

10116

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21864

Females

9137

F18-39

9137

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22229

Females

9279

F18-39

9279

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22408

Females

9383

F18-39

9383

Passing Analysis

Category:
Athletes Passed
2268
Passed By
532
Net Change
+1736
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26108
5K → 10K80611+795#26108#25313
10K → 15K67303-236#25313#25549
15K → 20K19057+133#25549#25416
20K → Half571+56#25416#25360
Half → 25K15153+98#25360#25262
25K → 30K31213+299#25262#24963
30K → 20M1632+161#24963#24802
20M → 21M1288+120#24802#24682
21M → 35K4120+21#24682#24661
35K → 23M10916+93#24661#24568
23M → 24M5628+28#24568#24540
24M → 40K875+82#24540#24458
40K → 25.2M294+25#24458#24433
25.2M → Finish7211+61#24433#24372
TOTALS2268532+1736
📊

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