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BOSTON MARATHON 2025

Mary Mcdavid

Bib: 7181•F

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 23%
Gender (Female)
#0 / 12228
Top 7%
Division (F18-39)
#0 / 5469
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:44
Rank: #5237
Start → 5K
20:44 | 6:40/mi
10K· 6.21 mi
41:38
Rank: #5377 (-140)
5K → 10K
20:54 | 6:44/mi
15K· 9.32 mi
1:02:19
Rank: #5127 (+250)
10K → 15K
20:41 | 6:39/mi
20K· 12.43 mi
1:23:09
Rank: #4916 (+211)
15K → 20K
20:50 | 6:42/mi
Half· 13.11 mi
1:27:40
Rank: #4898 (+18)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:44:42
Rank: #5166 (-268)
Half → 25K
17:02 | 7:02/mi
30K· 18.64 mi
2:08:39
Rank: #5997 (-831)
25K → 30K
23:57 | 7:43/mi
20M
2:19:51
Rank: #6343 (-346)
30K → 20M
11:12 | 8:15/mi
21M
2:28:26
Rank: #6492 (-149)
20M → 21M
8:35 | 8:35/mi
35K· 21.75 mi
2:33:58
Rank: #6506 (-14)
21M → 35K
5:32 | 7:24/mi
23M
2:43:46
Rank: #6537 (-31)
35K → 23M
9:48 | 7:50/mi
24M
2:51:20
Rank: #6547 (-10)
23M → 24M
7:34 | 7:34/mi
40K· 24.85 mi
2:57:44
Rank: #6506 (+41)
24M → 40K
6:24 | 7:29/mi
25.2M
3:00:34
Rank: #6494 (+12)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:07:57
Rank: #6479 (+15)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:40
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:40:17
Pace7:39 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:5920:446:4020:44
6:40
-
10K
6.21 mi10:48:5341:386:4220:54
6:44
+0:04
15K
9.32 mi11:09:341:02:196:4120:41
6:39
-0:05
20K
12.43 mi11:30:241:23:096:4120:50
6:42
+0:03
Half
13.11 mi11:34:551:27:406:414:31
6:37
-0:05
25K
15.53 mi11:51:571:44:426:4417:02
7:02
+0:25
30K
18.64 mi12:15:542:08:396:5423:57
7:43
+0:41
20M
20.00 mi12:27:062:19:517:0011:12
8:15
+0:32
21M
21.00 mi12:35:412:28:267:048:35
8:35
+0:20
35K
21.75 mi12:41:132:33:587:055:32
7:24
-1:11
23M
23.00 mi12:51:012:43:467:079:48
7:50
+0:26
24M
24.00 mi12:58:352:51:207:087:34
7:34
-0:16
40K
24.85 mi13:04:592:57:447:096:24
7:29
-0:05
25.2M
25.20 mi13:07:493:00:347:102:50
8:13
+0:44
Finish
26.22 mi13:15:123:07:577:107:23
7:15
-0:58

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

6:37 /mi

Average Pace

7:10 /mi

Slowest Pace

8:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:42

56% of race

Time at Steady Pace

26:53

14% of race

Time at Slower Pace

56:22

30% of race

Average Pace: 7:10 /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 mi10:27:5920:446:4020:44
6:40
#5237
10K
6.21 mi10:48:5341:386:4220:54
6:44
#5377
15K
9.32 mi11:09:341:02:196:4120:41
6:39
#5127
20K
12.43 mi11:30:241:23:096:4120:50
6:42
#4916
Half
13.11 mi11:34:551:27:406:414:31
6:37
#4898
25K
15.53 mi11:51:571:44:426:4417:02
7:02
#5166
30K
18.64 mi12:15:542:08:396:5423:57
7:43
#5997
20M
20.00 mi12:27:062:19:517:0011:12
8:15
#6343
21M
21.00 mi12:35:412:28:267:048:35
8:35
#6492
35K
21.75 mi12:41:132:33:587:055:32
7:24
#6506
23M
23.00 mi12:51:012:43:467:079:48
7:50
#6537
24M
24.00 mi12:58:352:51:207:087:34
7:34
#6547
40K
24.85 mi13:04:592:57:447:096:24
7:29
#6506
25.2M
25.20 mi13:07:493:00:347:102:50
8:13
#6494
Finish
26.22 mi13:15:123:07:577:107:23
7:15
#6479
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi52373523524734(Top 17%)306(Top 3%)306(Top 6%)
10K6.21 mi3.10 mi5377-140385-33385-335624(Top 20%)448(Top 4%)448(Top 8%)
15K9.32 mi3.11 mi5127+250345+40345+404734(Top 17%)306(Top 3%)306(Top 6%)
20K12.43 mi3.11 mi4916+211324+21324+214501(Top 16%)302(Top 2%)302(Top 6%)
Half13.11 mi0.68 mi4898+18325-1325-14694(Top 17%)323(Top 3%)323(Top 6%)
25K15.53 mi2.42 mi5166-268371-46371-466499(Top 23%)723(Top 6%)723(Top 13%)
30K18.64 mi3.11 mi5997-831546-175546-1759249(Top 33%)1938(Top 16%)1938(Top 35%)
20M20.00 mi1.36 mi6343-346636-90636-9012076(Top 43%)3480(Top 28%)3480(Top 64%)
21M21.00 mi1.00 mi6492-149695-59695-5910990(Top 39%)3085(Top 25%)3085(Top 56%)
35K21.75 mi0.75 mi6506-14712-17712-177915(Top 28%)1632(Top 13%)1632(Top 30%)
23M23.00 mi1.25 mi6537-31752-40752-408785(Top 31%)2154(Top 18%)2154(Top 39%)
24M24.00 mi1.00 mi6547-10776-24776-248169(Top 29%)1923(Top 16%)1923(Top 35%)
40K24.85 mi0.85 mi6506+41787-11787-116746(Top 24%)1433(Top 12%)1433(Top 26%)
25.2M25.20 mi0.35 mi6494+12793-6793-67186(Top 25%)1702(Top 14%)1702(Top 31%)
Finish26.22 mi1.02 mi6479+15824-31824-317379(Top 26%)1799(Top 15%)1799(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4734

Females

306

F18-39

306

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5624

Females

448

F18-39

448

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4734

Females

306

F18-39

306

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4501

Females

302

F18-39

302

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4694

Females

323

F18-39

323

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6499

Females

723

F18-39

723

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

9249

Females

1938

F18-39

1938

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

12076

Females

3480

F18-39

3480

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10990

Females

3085

F18-39

3085

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7915

Females

1632

F18-39

1632

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8785

Females

2154

F18-39

2154

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8169

Females

1923

F18-39

1923

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6746

Females

1433

F18-39

1433

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7186

Females

1702

F18-39

1702

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7379

Females

1799

F18-39

1799

Passing Analysis

Category:
Athletes Passed
1213
Passed By
2455
Net Change
-1242
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5237
5K → 10K127267-140#5237#5377
10K → 15K29646+250#5377#5127
15K → 20K24332+211#5127#4916
20K → Half3416+18#4916#4898
Half → 25K48316-268#4898#5166
25K → 30K48879-831#5166#5997
30K → 20M23369-346#5997#6343
20M → 21M27176-149#6343#6492
21M → 35K4357-14#6492#6506
35K → 23M78109-31#6506#6537
23M → 24M6272-10#6537#6547
24M → 40K7635+41#6547#6506
40K → 25.2M2917+12#6506#6494
25.2M → Finish7964+15#6494#6479
TOTALS12132455-1242
📊

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