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BOSTON MARATHON 2025

Margaret Downey

Bib: 27514•F

NH

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
9:13/mi
28:39
↑ 97↓ 3451.5%
10K· 6.21 mi
9:09/mi
57:05
↑ 79↓ 1380.4%
15K· 9.32 mi
9:16/mi
1:25:52
↑ 67↓ 78
20K· 12.43 mi
9:52/mi
1:56:31
↑ 106↓ 860.1%
Half· 13.11 mi
9:36/mi
2:03:04
↑ 19↓ 370.5%
25K· 15.53 mi
10:29/mi
2:28:28
↑ 66↓ 880.2%
30K· 18.64 mi
10:29/mi
3:01:02
↑ 181↓ 1480.2%
20M
10:27/mi
3:15:14
↑ 64↓ 500.2%
21M
11:16/mi
3:26:30
↑ 106↓ 241.6%
35K· 21.75 mi
9:29/mi
3:33:36
↑ 17↓ 861.7%
23M
10:22/mi
3:46:35
↑ 23↓ 630.6%
24M
10:51/mi
3:57:26
↓ 821.3%
40K· 24.85 mi
10:47/mi
4:06:39
↓ 200.3%
25.2M
12:28/mi
4:10:57
↑ 13↓ 160.2%
Finish· 26.22 mi
9:58/mi
4:21:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:04
Pace9:23 /mi
2nd Half
Distance13.11 mi
Time2:18:02
Pace10:32 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:1428:399:1328:39
9:13
-
10K
6.21 mi12:13:4057:059:1128:26
9:09
-0:04
15K
9.32 mi12:42:271:25:529:1328:47
9:16
+0:07
20K
12.43 mi13:13:061:56:319:2330:39
9:52
+0:36
Half
13.11 mi13:19:392:03:049:236:33
9:36
-0:16
25K
15.53 mi13:45:032:28:289:3325:24
10:29
+0:53
30K
18.64 mi14:17:373:01:029:4332:34
10:29
0:00
20M
20.00 mi14:31:493:15:149:4614:12
10:27
-0:02
21M
21.00 mi14:43:053:26:309:5011:16
11:16
+0:49
35K
21.75 mi14:50:113:33:369:497:06
9:29
-1:47
23M
23.00 mi15:03:103:46:359:5112:59
10:22
+0:53
24M
24.00 mi15:14:013:57:269:5410:51
10:51
+0:29
40K
24.85 mi15:23:144:06:399:559:13
10:47
-0:04
25.2M
25.20 mi15:27:324:10:579:584:18
12:28
+1:41
Finish
26.22 mi15:37:414:21:069:5810:09
9:58
-2:30

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

9:09 /mi

Average Pace

9:58 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:10

50% of race

Time at Steady Pace

1:44:31

40% of race

Time at Slower Pace

26:25

10% of race

Average Pace: 9:57 /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 mi11:45:1428:399:1328:39
9:13
#23303
10K
6.21 mi12:13:4057:059:1128:26
9:09
#23170
15K
9.32 mi12:42:271:25:529:1328:47
9:16
#23157
20K
12.43 mi13:13:061:56:319:2330:39
9:52
#23374
Half
13.11 mi13:19:392:03:049:236:33
9:36
#23406
25K
15.53 mi13:45:032:28:289:3325:24
10:29
#23581
30K
18.64 mi14:17:373:01:029:4332:34
10:29
#23442
20M
20.00 mi14:31:493:15:149:4614:12
10:27
#23311
21M
21.00 mi14:43:053:26:309:5011:16
11:16
#23243
35K
21.75 mi14:50:113:33:369:497:06
9:29
#23143
23M
23.00 mi15:03:103:46:359:5112:59
10:22
#23056
24M
24.00 mi15:14:013:57:269:5410:51
10:51
#23079
40K
24.85 mi15:23:144:06:399:559:13
10:47
#23057
25.2M
25.20 mi15:27:324:10:579:584:18
12:28
#23080
Finish
26.22 mi15:37:414:21:069:5810:09
9:58
#23072
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi233039332933223098(Top 81%)9151(Top 75%)9151(Top 167%)
10K6.21 mi3.10 mi23170+1339239+939239+9323009(Top 81%)9140(Top 75%)9140(Top 167%)
15K9.32 mi3.11 mi23157+139220+199220+1923098(Top 81%)9151(Top 75%)9151(Top 167%)
20K12.43 mi3.11 mi23374-2179328-1089328-10823928(Top 84%)9663(Top 79%)9663(Top 177%)
Half13.11 mi0.68 mi23406-329345-179345-1723862(Top 84%)9623(Top 79%)9623(Top 176%)
25K15.53 mi2.42 mi23581-1759469-1249469-12424343(Top 86%)9929(Top 81%)9929(Top 182%)
30K18.64 mi3.11 mi23442+1399427+429427+4222912(Top 81%)9271(Top 76%)9271(Top 170%)
20M20.00 mi1.36 mi23311+1319369+589369+5822294(Top 78%)9057(Top 74%)9057(Top 166%)
21M21.00 mi1.00 mi23243+689357+129357+1222098(Top 78%)9025(Top 74%)9025(Top 165%)
35K21.75 mi0.75 mi23143+1009308+499308+4920342(Top 72%)8166(Top 67%)8166(Top 149%)
23M23.00 mi1.25 mi23056+879293+159293+1521663(Top 76%)8904(Top 73%)8904(Top 163%)
24M24.00 mi1.00 mi23079-239332-399332-3923679(Top 83%)9966(Top 82%)9966(Top 182%)
40K24.85 mi0.85 mi23057+229338-69338-622648(Top 80%)9525(Top 78%)9525(Top 174%)
25.2M25.20 mi0.35 mi23080-239355-179355-1724153(Top 85%)10245(Top 84%)10245(Top 187%)
Finish26.22 mi1.02 mi23072+89360-59360-522827(Top 80%)9585(Top 78%)9585(Top 175%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

23098

Females

9151

F18-39

9151

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

23009

Females

9140

F18-39

9140

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

23098

Females

9151

F18-39

9151

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23928

Females

9663

F18-39

9663

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

23862

Females

9623

F18-39

9623

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24343

Females

9929

F18-39

9929

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

22912

Females

9271

F18-39

9271

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

22294

Females

9057

F18-39

9057

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22098

Females

9025

F18-39

9025

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

20342

Females

8166

F18-39

8166

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

21663

Females

8904

F18-39

8904

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23679

Females

9966

F18-39

9966

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22648

Females

9525

F18-39

9525

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24153

Females

10245

F18-39

10245

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22827

Females

9585

F18-39

9585

Passing Analysis

Category:
Athletes Passed
1528
Passed By
1297
Net Change
+231
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23303
5K → 10K300167+133#23303#23170
10K → 15K181168+13#23170#23157
15K → 20K96313-217#23157#23374
20K → Half2456-32#23374#23406
Half → 25K72247-175#23406#23581
25K → 30K23293+139#23581#23442
30K → 20M14918+131#23442#23311
20M → 21M10133+68#23311#23243
21M → 35K1055+100#23243#23143
35K → 23M10720+87#23143#23056
23M → 24M5174-23#23056#23079
24M → 40K6240+22#23079#23057
40K → 25.2M831-23#23057#23080
25.2M → Finish4032+8#23080#23072
TOTALS15281297+231
📊

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