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BOSTON MARATHON 2025

Pamela Mcdonald

Bib: 13170•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 34%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:21
Rank: #9430
Start → 5K
22:21 | 7:12/mi
10K· 6.21 mi
45:08
Rank: #10028 (-598)
5K → 10K
22:47 | 7:20/mi
15K· 9.32 mi
1:08:42
Rank: #10812 (-784)
10K → 15K
23:34 | 7:35/mi
20K· 12.43 mi
1:33:05
Rank: #11561 (-749)
15K → 20K
24:23 | 7:51/mi
Half· 13.11 mi
1:38:25
Rank: #11704 (-143)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
1:58:46
Rank: #12562 (-858)
Half → 25K
20:21 | 8:24/mi
30K· 18.64 mi
2:25:57
Rank: #13335 (-773)
25K → 30K
27:11 | 8:45/mi
20M
2:37:51
Rank: #13474 (-139)
30K → 20M
11:54 | 8:45/mi
21M
2:47:29
Rank: #13658 (-184)
20M → 21M
9:38 | 9:38/mi
35K· 21.75 mi
2:53:40
Rank: #13668 (-10)
21M → 35K
6:11 | 8:16/mi
23M
3:04:30
Rank: #13679 (-11)
35K → 23M
10:50 | 8:39/mi
24M
3:12:40
Rank: #13613 (+66)
23M → 24M
8:10 | 8:10/mi
40K· 24.85 mi
3:20:41
Rank: #13836 (-223)
24M → 40K
8:01 | 9:23/mi
25.2M
3:23:52
Rank: #13811 (+25)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:31:49
Rank: #13699 (+112)
25.2M → Finish
7:57 | 7:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:25
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:53:24
Pace8:39 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3822:217:1222:21
7:12
-
10K
6.21 mi11:14:2545:087:1622:47
7:20
+0:08
15K
9.32 mi11:37:591:08:427:2223:34
7:35
+0:15
20K
12.43 mi12:02:221:33:057:2924:23
7:51
+0:16
Half
13.11 mi12:07:421:38:257:305:20
7:49
-0:02
25K
15.53 mi12:28:031:58:467:3920:21
8:24
+0:35
30K
18.64 mi12:55:142:25:577:5027:11
8:45
+0:21
20M
20.00 mi13:07:082:37:517:5411:54
8:45
0:00
21M
21.00 mi13:16:462:47:297:599:38
9:38
+0:53
35K
21.75 mi13:22:572:53:407:596:11
8:16
-1:22
23M
23.00 mi13:33:473:04:308:0110:50
8:39
+0:23
24M
24.00 mi13:41:573:12:408:028:10
8:10
-0:29
40K
24.85 mi13:49:583:20:418:048:01
9:23
+1:13
25.2M
25.20 mi13:53:093:23:528:053:11
9:14
-0:09
Finish
26.22 mi14:01:063:31:498:057:57
7:48
-1:26

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

7:12 /mi

Average Pace

8:05 /mi

Slowest Pace

9:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:22

50% of race

Time at Steady Pace

34:42

16% of race

Time at Slower Pace

1:10:45

33% of race

Average Pace: 8:05 /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 mi10:51:3822:217:1222:21
7:12
#9430
10K
6.21 mi11:14:2545:087:1622:47
7:20
#10028
15K
9.32 mi11:37:591:08:427:2223:34
7:35
#10812
20K
12.43 mi12:02:221:33:057:2924:23
7:51
#11561
Half
13.11 mi12:07:421:38:257:305:20
7:49
#11704
25K
15.53 mi12:28:031:58:467:3920:21
8:24
#12562
30K
18.64 mi12:55:142:25:577:5027:11
8:45
#13335
20M
20.00 mi13:07:082:37:517:5411:54
8:45
#13474
21M
21.00 mi13:16:462:47:297:599:38
9:38
#13658
35K
21.75 mi13:22:572:53:407:596:11
8:16
#13668
23M
23.00 mi13:33:473:04:308:0110:50
8:39
#13679
24M
24.00 mi13:41:573:12:408:028:10
8:10
#13613
40K
24.85 mi13:49:583:20:418:048:01
9:23
#13836
25.2M
25.20 mi13:53:093:23:528:053:11
9:14
#13811
Finish
26.22 mi14:01:063:31:498:057:57
7:48
#13699
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi94301567156712495(Top 44%)3169(Top 26%)3169(Top 58%)
10K6.21 mi3.10 mi10028-5981825-2581825-25810624(Top 37%)2126(Top 17%)2126(Top 39%)
15K9.32 mi3.11 mi10812-7842232-4072232-40712495(Top 44%)3169(Top 26%)3169(Top 58%)
20K12.43 mi3.11 mi11561-7492647-4152647-41513682(Top 48%)3921(Top 32%)3921(Top 72%)
Half13.11 mi0.68 mi11704-1432719-722719-7214453(Top 51%)4318(Top 35%)4318(Top 79%)
25K15.53 mi2.42 mi12562-8583225-5063225-50616531(Top 58%)5593(Top 46%)5593(Top 102%)
30K18.64 mi3.11 mi13335-7733735-5103735-51016291(Top 57%)5624(Top 46%)5624(Top 103%)
20M20.00 mi1.36 mi13474-1393841-1063841-10615423(Top 54%)5273(Top 43%)5273(Top 96%)
21M21.00 mi1.00 mi13658-1843981-1403981-14016700(Top 59%)6082(Top 50%)6082(Top 111%)
35K21.75 mi0.75 mi13668-104000-194000-1914058(Top 49%)4694(Top 38%)4694(Top 86%)
23M23.00 mi1.25 mi13679-114050-504050-5014267(Top 50%)4939(Top 40%)4939(Top 90%)
24M24.00 mi1.00 mi13613+664041+94041+912384(Top 44%)3990(Top 33%)3990(Top 73%)
40K24.85 mi0.85 mi13836-2234204-1634204-16318187(Top 64%)7211(Top 59%)7211(Top 132%)
25.2M25.20 mi0.35 mi13811+254203+14203+113144(Top 46%)4563(Top 37%)4563(Top 83%)
Finish26.22 mi1.02 mi13699+1124157+464157+4611484(Top 40%)3701(Top 30%)3701(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

12495

Females

3169

F18-39

3169

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10624

Females

2126

F18-39

2126

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

12495

Females

3169

F18-39

3169

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

13682

Females

3921

F18-39

3921

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

14453

Females

4318

F18-39

4318

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16531

Females

5593

F18-39

5593

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

16291

Females

5624

F18-39

5624

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15423

Females

5273

F18-39

5273

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

16700

Females

6082

F18-39

6082

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

14058

Females

4694

F18-39

4694

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14267

Females

4939

F18-39

4939

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

12384

Females

3990

F18-39

3990

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18187

Females

7211

F18-39

7211

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13144

Females

4563

F18-39

4563

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

11484

Females

3701

F18-39

3701

Passing Analysis

Category:
Athletes Passed
933
Passed By
5200
Net Change
-4269
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9430
5K → 10K72668-598#9430#10028
10K → 15K46830-784#10028#10812
15K → 20K43792-749#10812#11561
20K → Half9152-143#11561#11704
Half → 25K41899-858#11704#12562
25K → 30K84857-773#12562#13335
30K → 20M82221-139#13335#13474
20M → 21M59243-184#13474#13658
21M → 35K5666-10#13658#13668
35K → 23M110121-11#13668#13679
23M → 24M11852+66#13679#13613
24M → 40K39262-223#13613#13836
40K → 25.2M4520+25#13836#13811
25.2M → Finish12917+112#13811#13699
TOTALS9335200-4269
📊

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