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BOSTON MARATHON 2025

Margaret Magro

Bib: 11817•F

MI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 36%
Gender (Female)
#0 / 12228
Top 19%
Division (F18-39)
#0 / 5469
Top 33%
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
7:30/mi
23:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:35/mi
46:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:10:06
↑ 67↓ 78
20K· 12.43 mi
7:28/mi
1:33:18
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:38:16
↑ 19↓ 370.5%
25K· 15.53 mi
7:20/mi
1:56:04
↑ 66↓ 880.2%
30K· 18.64 mi
7:34/mi
2:19:33
↑ 181↓ 1480.2%
20M
7:51/mi
2:30:13
↑ 64↓ 500.2%
21M
8:03/mi
2:38:16
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:44:07
↑ 17↓ 861.7%
23M
8:02/mi
2:54:10
↑ 23↓ 630.6%
24M
8:02/mi
3:02:12
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:09:05
↓ 200.3%
25.2M
8:45/mi
3:12:06
↑ 13↓ 160.2%
Finish· 26.22 mi
7:44/mi
3:19:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:16
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:41:43
Pace7:46 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5023:187:3023:18
7:30
-
10K
6.21 mi11:15:2446:527:3323:34
7:35
+0:05
15K
9.32 mi11:38:381:10:067:3123:14
7:29
-0:06
20K
12.43 mi12:01:501:33:187:3023:12
7:28
-0:01
Half
13.11 mi12:06:481:38:167:304:58
7:17
-0:11
25K
15.53 mi12:24:361:56:047:2817:48
7:20
+0:03
30K
18.64 mi12:48:052:19:337:2923:29
7:34
+0:14
20M
20.00 mi12:58:452:30:137:3110:40
7:51
+0:17
21M
21.00 mi13:06:482:38:167:328:03
8:03
+0:12
35K
21.75 mi13:12:392:44:077:335:51
7:49
-0:14
23M
23.00 mi13:22:422:54:107:3410:03
8:02
+0:13
24M
24.00 mi13:30:443:02:127:368:02
8:02
0:00
40K
24.85 mi13:37:373:09:057:366:53
8:03
+0:01
25.2M
25.20 mi13:40:383:12:067:373:01
8:45
+0:42
Finish
26.22 mi13:48:313:19:597:387:53
7:44
-1:01

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

7:17 /mi

Average Pace

7:38 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:30

46% of race

Time at Steady Pace

1:11:27

36% of race

Time at Slower Pace

36:02

18% of race

Average Pace: 7:38 /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 mi10:51:5023:187:3023:18
7:30
#12259
10K
6.21 mi11:15:2446:527:3323:34
7:35
#12507
15K
9.32 mi11:38:381:10:067:3123:14
7:29
#12175
20K
12.43 mi12:01:501:33:187:3023:12
7:28
#11697
Half
13.11 mi12:06:481:38:167:304:58
7:17
#11604
25K
15.53 mi12:24:361:56:047:2817:48
7:20
#11102
30K
18.64 mi12:48:052:19:337:2923:29
7:34
#10462
20M
20.00 mi12:58:452:30:137:3110:40
7:51
#10346
21M
21.00 mi13:06:482:38:167:328:03
8:03
#10137
35K
21.75 mi13:12:392:44:077:335:51
7:49
#10149
23M
23.00 mi13:22:422:54:107:3410:03
8:02
#10125
24M
24.00 mi13:30:443:02:127:368:02
8:02
#10154
40K
24.85 mi13:37:373:09:057:366:53
8:03
#10146
25.2M
25.20 mi13:40:383:12:067:373:01
8:45
#10137
Finish
26.22 mi13:48:313:19:597:387:53
7:44
#10136
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi122592935293511589(Top 41%)2681(Top 22%)2681(Top 49%)
10K6.21 mi3.10 mi12507-2483073-1383073-13812889(Top 45%)3305(Top 27%)3305(Top 60%)
15K9.32 mi3.11 mi12175+3322933+1402933+14011589(Top 41%)2681(Top 22%)2681(Top 49%)
20K12.43 mi3.11 mi11697+4782712+2212712+22110499(Top 37%)2210(Top 18%)2210(Top 40%)
Half13.11 mi0.68 mi11604+932662+502662+509904(Top 35%)1920(Top 16%)1920(Top 35%)
25K15.53 mi2.42 mi11102+5022439+2232439+2238701(Top 31%)1507(Top 12%)1507(Top 28%)
30K18.64 mi3.11 mi10462+6402183+2562183+2568154(Top 29%)1460(Top 12%)1460(Top 27%)
20M20.00 mi1.36 mi10346+1162171+122171+129388(Top 33%)2167(Top 18%)2167(Top 40%)
21M21.00 mi1.00 mi10137+2092106+652106+657679(Top 27%)1588(Top 13%)1588(Top 29%)
35K21.75 mi0.75 mi10149-122137-312137-3110996(Top 39%)3094(Top 25%)3094(Top 57%)
23M23.00 mi1.25 mi10125+242167-302167-3010231(Top 36%)2849(Top 23%)2849(Top 52%)
24M24.00 mi1.00 mi10154-292218-512218-5111496(Top 40%)3558(Top 29%)3558(Top 65%)
40K24.85 mi0.85 mi10146+82254-362254-3610572(Top 37%)3196(Top 26%)3196(Top 58%)
25.2M25.20 mi0.35 mi10137+92262-82262-810330(Top 36%)3166(Top 26%)3166(Top 58%)
Finish26.22 mi1.02 mi10136+12289-272289-2710973(Top 39%)3441(Top 28%)3441(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11589

Females

2681

F18-39

2681

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12889

Females

3305

F18-39

3305

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11589

Females

2681

F18-39

2681

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

10499

Females

2210

F18-39

2210

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9904

Females

1920

F18-39

1920

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8701

Females

1507

F18-39

1507

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8154

Females

1460

F18-39

1460

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

9388

Females

2167

F18-39

2167

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7679

Females

1588

F18-39

1588

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10996

Females

3094

F18-39

3094

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

10231

Females

2849

F18-39

2849

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11496

Females

3558

F18-39

3558

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10572

Females

3196

F18-39

3196

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10330

Females

3166

F18-39

3166

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10973

Females

3441

F18-39

3441

Passing Analysis

Category:
Athletes Passed
3153
Passed By
1029
Net Change
+2123
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12259
5K → 10K166414-248#12259#12507
10K → 15K39765+332#12507#12175
15K → 20K49820+478#12175#11697
20K → Half996+93#11697#11604
Half → 25K5031+502#11604#11102
25K → 30K6477+640#11102#10462
30K → 20M18266+116#10462#10346
20M → 21M22213+209#10346#10137
21M → 35K6072-12#10137#10149
35K → 23M11187+24#10149#10125
23M → 24M73101-29#10125#10154
24M → 40K8577+8#10154#10146
40K → 25.2M3021+9#10146#10137
25.2M → Finish8079+1#10137#10136
TOTALS31531029+2123
📊

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