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BOSTON MARATHON 2025

Mary Deforge

Bib: 27947•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
11:24/mi
35:25
↑ 97↓ 3451.5%
10K· 6.21 mi
12:09/mi
1:13:09
↑ 79↓ 1380.4%
15K· 9.32 mi
11:37/mi
1:49:13
↑ 67↓ 78
20K· 12.43 mi
11:55/mi
2:26:13
↑ 106↓ 860.1%
Half· 13.11 mi
9:43/mi
2:32:51
↑ 19↓ 370.5%
25K· 15.53 mi
10:24/mi
2:58:05
↑ 66↓ 880.2%
30K· 18.64 mi
10:41/mi
3:31:15
↑ 181↓ 1480.2%
20M
10:30/mi
3:45:31
↑ 64↓ 500.2%
21M
10:50/mi
3:56:21
↑ 106↓ 241.6%
35K· 21.75 mi
9:57/mi
4:03:48
↑ 17↓ 861.7%
23M
10:00/mi
4:16:19
↑ 23↓ 630.6%
24M
9:57/mi
4:26:16
↓ 821.3%
40K· 24.85 mi
10:04/mi
4:34:52
↓ 200.3%
25.2M
10:50/mi
4:38:36
↑ 13↓ 160.2%
Finish· 26.22 mi
9:22/mi
4:48:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:32:51
Pace11:40 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:15:18
Pace10:19 /mi
📊Negative Split: 11.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2235:2511:2435:25
11:24
-
10K
6.21 mi12:31:061:13:0911:4637:44
12:09
+0:45
15K
9.32 mi13:07:101:49:1311:4336:04
11:37
-0:32
20K
12.43 mi13:44:102:26:1311:4637:00
11:55
+0:18
Half
13.11 mi13:50:482:32:5111:406:38
9:43
-2:12
25K
15.53 mi14:16:022:58:0511:2825:14
10:24
+0:41
30K
18.64 mi14:49:123:31:1511:2033:10
10:41
+0:17
20M
20.00 mi15:03:283:45:3111:1714:16
10:30
-0:11
21M
21.00 mi15:14:183:56:2111:1510:50
10:50
+0:20
35K
21.75 mi15:21:454:03:4811:137:27
9:57
-0:53
23M
23.00 mi15:34:164:16:1911:0912:31
10:00
+0:03
24M
24.00 mi15:44:134:26:1611:069:57
9:57
-0:03
40K
24.85 mi15:52:494:34:5211:048:36
10:04
+0:07
25.2M
25.20 mi15:56:334:38:3611:033:44
10:50
+0:46
Finish
26.22 mi16:06:064:48:0911:009:33
9:22
-1:28

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

9:22 /mi

Average Pace

11:00 /mi

Slowest Pace

12:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

54:42

19% of race

Time at Steady Pace

1:27:14

30% of race

Time at Slower Pace

2:26:13

51% of race

Average Pace: 10:59 /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 mi11:53:2235:2511:2435:25
11:24
#27932
10K
6.21 mi12:31:061:13:0911:4637:44
12:09
#28002
15K
9.32 mi13:07:101:49:1311:4336:04
11:37
#27822
20K
12.43 mi13:44:102:26:1311:4637:00
11:55
#27637
Half
13.11 mi13:50:482:32:5111:406:38
9:43
#27514
25K
15.53 mi14:16:022:58:0511:2825:14
10:24
#27085
30K
18.64 mi14:49:123:31:1511:2033:10
10:41
#26582
20M
20.00 mi15:03:283:45:3111:1714:16
10:30
#26336
21M
21.00 mi15:14:183:56:2111:1510:50
10:50
#26116
35K
21.75 mi15:21:454:03:4811:137:27
9:57
#26002
23M
23.00 mi15:34:164:16:1911:0912:31
10:00
#25820
24M
24.00 mi15:44:134:26:1611:069:57
9:57
#25689
40K
24.85 mi15:52:494:34:5211:048:36
10:04
#25559
25.2M
25.20 mi15:56:334:38:3611:033:44
10:50
#25487
Finish
26.22 mi16:06:064:48:0911:009:33
9:22
#25364
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27932119141191427320(Top 96%)11567(Top 95%)11567(Top 212%)
10K6.21 mi3.10 mi28002-7011963-4911963-4928015(Top 99%)11984(Top 98%)11984(Top 219%)
15K9.32 mi3.11 mi27822+18011860+10311860+10327320(Top 96%)11567(Top 95%)11567(Top 212%)
20K12.43 mi3.11 mi27637+18511753+10711753+10727039(Top 95%)11412(Top 93%)11412(Top 209%)
Half13.11 mi0.68 mi27514+12311672+8111672+8124136(Top 85%)9787(Top 80%)9787(Top 179%)
25K15.53 mi2.42 mi27085+42911429+24311429+24324180(Top 85%)9840(Top 80%)9840(Top 180%)
30K18.64 mi3.11 mi26582+50311153+27611153+27623332(Top 82%)9514(Top 78%)9514(Top 174%)
20M20.00 mi1.36 mi26336+24611025+12811025+12822395(Top 79%)9112(Top 75%)9112(Top 167%)
21M21.00 mi1.00 mi26116+22010917+10810917+10820917(Top 74%)8414(Top 69%)8414(Top 154%)
35K21.75 mi0.75 mi26002+11410855+6210855+6221762(Top 77%)8920(Top 73%)8920(Top 163%)
23M23.00 mi1.25 mi25820+18210770+8510770+8520463(Top 72%)8284(Top 68%)8284(Top 151%)
24M24.00 mi1.00 mi25689+13110720+5010720+5021200(Top 75%)8709(Top 71%)8709(Top 159%)
40K24.85 mi0.85 mi25559+13010662+5810662+5820603(Top 73%)8471(Top 69%)8471(Top 155%)
25.2M25.20 mi0.35 mi25487+7210625+3710625+3720042(Top 71%)8203(Top 67%)8203(Top 150%)
Finish26.22 mi1.02 mi25364+12310556+6910556+6920643(Top 73%)8475(Top 69%)8475(Top 155%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27320

Females

11567

F18-39

11567

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

28015

Females

11984

F18-39

11984

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27320

Females

11567

F18-39

11567

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

27039

Females

11412

F18-39

11412

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24136

Females

9787

F18-39

9787

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

24180

Females

9840

F18-39

9840

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23332

Females

9514

F18-39

9514

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

22395

Females

9112

F18-39

9112

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

20917

Females

8414

F18-39

8414

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

21762

Females

8920

F18-39

8920

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

20463

Females

8284

F18-39

8284

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21200

Females

8709

F18-39

8709

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20603

Females

8471

F18-39

8471

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20042

Females

8203

F18-39

8203

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

20643

Females

8475

F18-39

8475

Passing Analysis

Category:
Athletes Passed
2710
Passed By
142
Net Change
+2568
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27932
5K → 10K48118-70#27932#28002
10K → 15K1899+180#28002#27822
15K → 20K1938+185#27822#27637
20K → Half1230+123#27637#27514
Half → 25K4290+429#27514#27085
25K → 30K5030+503#27085#26582
30K → 20M2460+246#26582#26336
20M → 21M2222+220#26336#26116
21M → 35K1151+114#26116#26002
35K → 23M1831+182#26002#25820
23M → 24M1310+131#25820#25689
24M → 40K1300+130#25689#25559
40K → 25.2M731+72#25559#25487
25.2M → Finish1252+123#25487#25364
TOTALS2710142+2568
📊

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