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BOSTON MARATHON 2025

Magdeline Anderson

Bib: 13057•F

MN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 17%
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
7:20/mi
22:47
↑ 97↓ 3451.5%
10K· 6.21 mi
7:15/mi
45:17
↑ 79↓ 1380.4%
15K· 9.32 mi
7:12/mi
1:07:38
↑ 67↓ 78
20K· 12.43 mi
7:10/mi
1:29:53
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:34:44
↑ 19↓ 370.5%
25K· 15.53 mi
7:08/mi
1:52:01
↑ 66↓ 880.2%
30K· 18.64 mi
7:15/mi
2:14:34
↑ 181↓ 1480.2%
20M
7:16/mi
2:24:26
↑ 64↓ 500.2%
21M
7:37/mi
2:32:03
↑ 106↓ 241.6%
35K· 21.75 mi
7:00/mi
2:37:17
↑ 17↓ 861.7%
23M
7:22/mi
2:46:30
↑ 23↓ 630.6%
24M
7:17/mi
2:53:47
↓ 821.3%
40K· 24.85 mi
7:33/mi
3:00:14
↓ 200.3%
25.2M
8:30/mi
3:03:10
↑ 13↓ 160.2%
Finish· 26.22 mi
7:28/mi
3:10:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:44
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:36:03
Pace7:20 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0622:477:2022:47
7:20
-
10K
6.21 mi11:14:3645:177:1722:30
7:15
-0:05
15K
9.32 mi11:36:571:07:387:1522:21
7:12
-0:03
20K
12.43 mi11:59:121:29:537:1422:15
7:10
-0:02
Half
13.11 mi12:04:031:34:447:144:51
7:07
-0:03
25K
15.53 mi12:21:201:52:017:1317:17
7:08
+0:01
30K
18.64 mi12:43:532:14:347:1322:33
7:15
+0:07
20M
20.00 mi12:53:452:24:267:139:52
7:16
+0:01
21M
21.00 mi13:01:222:32:037:147:37
7:37
+0:21
35K
21.75 mi13:06:362:37:177:145:14
7:00
-0:37
23M
23.00 mi13:15:492:46:307:149:13
7:22
+0:22
24M
24.00 mi13:23:062:53:477:147:17
7:17
-0:05
40K
24.85 mi13:29:333:00:147:156:27
7:33
+0:16
25.2M
25.20 mi13:32:293:03:107:162:56
8:30
+0:57
Finish
26.22 mi13:40:063:10:477:177:37
7:28
-1:02

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

7:00 /mi

Average Pace

7:17 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:14

3% of race

Time at Steady Pace

2:40:56

84% of race

Time at Slower Pace

24:37

13% of race

Average Pace: 7:17 /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 mi10:52:0622:477:2022:47
7:20
#10711
10K
6.21 mi11:14:3645:177:1722:30
7:15
#10241
15K
9.32 mi11:36:571:07:387:1522:21
7:12
#9817
20K
12.43 mi11:59:121:29:537:1422:15
7:10
#9280
Half
13.11 mi12:04:031:34:447:144:51
7:07
#9223
25K
15.53 mi12:21:201:52:017:1317:17
7:08
#8770
30K
18.64 mi12:43:532:14:347:1322:33
7:15
#8175
20M
20.00 mi12:53:452:24:267:139:52
7:16
#7919
21M
21.00 mi13:01:222:32:037:147:37
7:37
#7690
35K
21.75 mi13:06:362:37:177:145:14
7:00
#7558
23M
23.00 mi13:15:492:46:307:149:13
7:22
#7387
24M
24.00 mi13:23:062:53:477:147:17
7:17
#7283
40K
24.85 mi13:29:333:00:147:156:27
7:33
#7233
25.2M
25.20 mi13:32:293:03:107:162:56
8:30
#7239
Finish
26.22 mi13:40:063:10:477:177:37
7:28
#7270
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10711213721379071(Top 32%)1452(Top 12%)1452(Top 27%)
10K6.21 mi3.10 mi10241+4701924+2131924+2139864(Top 35%)1766(Top 14%)1766(Top 32%)
15K9.32 mi3.11 mi9817+4241752+1721752+1729071(Top 32%)1452(Top 12%)1452(Top 27%)
20K12.43 mi3.11 mi9280+5371534+2181534+2187913(Top 28%)1075(Top 9%)1075(Top 20%)
Half13.11 mi0.68 mi9223+571517+171517+178396(Top 30%)1234(Top 10%)1234(Top 23%)
25K15.53 mi2.42 mi8770+4531347+1701347+1707171(Top 25%)915(Top 7%)915(Top 17%)
30K18.64 mi3.11 mi8175+5951178+1691178+1696230(Top 22%)744(Top 6%)744(Top 14%)
20M20.00 mi1.36 mi7919+2561119+591119+595587(Top 20%)679(Top 6%)679(Top 12%)
21M21.00 mi1.00 mi7690+2291058+611058+615247(Top 18%)679(Top 6%)679(Top 12%)
35K21.75 mi0.75 mi7558+1321040+181040+185380(Top 19%)734(Top 6%)734(Top 13%)
23M23.00 mi1.25 mi7387+1711020+201020+205841(Top 21%)955(Top 8%)955(Top 17%)
24M24.00 mi1.00 mi7283+1041016+41016+46338(Top 22%)1196(Top 10%)1196(Top 22%)
40K24.85 mi0.85 mi7233+501024-81024-87066(Top 25%)1568(Top 13%)1568(Top 29%)
25.2M25.20 mi0.35 mi7239-61040-161040-168842(Top 31%)2426(Top 20%)2426(Top 44%)
Finish26.22 mi1.02 mi7270-311078-381078-389017(Top 32%)2535(Top 21%)2535(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9071

Females

1452

F18-39

1452

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9864

Females

1766

F18-39

1766

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9071

Females

1452

F18-39

1452

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7913

Females

1075

F18-39

1075

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8396

Females

1234

F18-39

1234

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

7171

Females

915

F18-39

915

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

6230

Females

744

F18-39

744

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5587

Females

679

F18-39

679

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

5247

Females

679

F18-39

679

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

5380

Females

734

F18-39

734

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5841

Females

955

F18-39

955

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

6338

Females

1196

F18-39

1196

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7066

Females

1568

F18-39

1568

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8842

Females

2426

F18-39

2426

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

9017

Females

2535

F18-39

2535

Passing Analysis

Category:
Athletes Passed
3778*
Passed By
337
Net Change
+3441
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10711
5K → 10K55383+470#10711#10241
10K → 15K456*32+424#10241#9817
15K → 20K5436+537#9817#9280
20K → Half669+57#9280#9223
Half → 25K4585+453#9223#8770
25K → 30K5983+595#8770#8175
30K → 20M2615+256#8175#7919
20M → 21M2389+229#7919#7690
21M → 35K1342+132#7690#7558
35K → 23M18716+171#7558#7387
23M → 24M12521+104#7387#7283
24M → 40K8535+50#7283#7233
40K → 25.2M2531-6#7233#7239
25.2M → Finish4980-31#7239#7270
TOTALS3778*337+3441

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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