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BOSTON MARATHON 2025

Anna Buser

Bib: 10295•F

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Female)
#0 / 12228
Top 5%
Division (F18-39)
#0 / 5469
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:09
Rank: #6379
Start → 5K
21:09 | 6:48/mi
10K· 6.21 mi
42:04
Rank: #6028 (+351)
5K → 10K
20:55 | 6:44/mi
15K· 9.32 mi
1:03:00
Rank: #5810 (+218)
10K → 15K
20:56 | 6:44/mi
20K· 12.43 mi
1:24:16
Rank: #5777 (+33)
15K → 20K
21:16 | 6:51/mi
Half· 13.11 mi
1:28:52
Rank: #5766 (+11)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:45:46
Rank: #5794 (-28)
Half → 25K
16:54 | 6:58/mi
30K· 18.64 mi
2:08:32
Rank: #5934 (-140)
25K → 30K
22:46 | 7:20/mi
20M
2:18:41
Rank: #5973 (-39)
30K → 20M
10:09 | 7:28/mi
21M
2:26:35
Rank: #5960 (+13)
20M → 21M
7:54 | 7:54/mi
35K· 21.75 mi
2:31:41
Rank: #5859 (+101)
21M → 35K
5:06 | 6:49/mi
23M
2:40:55
Rank: #5785 (+74)
35K → 23M
9:14 | 7:22/mi
24M
2:48:15
Rank: #5756 (+29)
23M → 24M
7:20 | 7:20/mi
40K· 24.85 mi
2:54:53
Rank: #5795 (-39)
24M → 40K
6:38 | 7:45/mi
25.2M
2:57:49
Rank: #5819 (-24)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:05:23
Rank: #5831 (-12)
25.2M → Finish
7:34 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:52
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:36:31
Pace7:22 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1721:096:4821:09
6:48
-
10K
6.21 mi11:08:1242:046:4620:55
6:44
-0:04
15K
9.32 mi11:29:081:03:006:4620:56
6:44
0:00
20K
12.43 mi11:50:241:24:166:4721:16
6:51
+0:07
Half
13.11 mi11:55:001:28:526:474:36
6:45
-0:06
25K
15.53 mi12:11:541:45:466:4916:54
6:58
+0:13
30K
18.64 mi12:34:402:08:326:5422:46
7:20
+0:22
20M
20.00 mi12:44:492:18:416:5610:09
7:28
+0:08
21M
21.00 mi12:52:432:26:356:597:54
7:54
+0:26
35K
21.75 mi12:57:492:31:416:585:06
6:49
-1:05
23M
23.00 mi13:07:032:40:557:009:14
7:22
+0:33
24M
24.00 mi13:14:232:48:157:017:20
7:20
-0:02
40K
24.85 mi13:21:012:54:537:026:38
7:45
+0:25
25.2M
25.20 mi13:23:572:57:497:032:56
8:30
+0:45
Finish
26.22 mi13:31:313:05:237:057:34
7:26
-1:04

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

6:44 /mi

Average Pace

7:05 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:52

60% of race

Time at Steady Pace

57:03

31% of race

Time at Slower Pace

17:28

9% of race

Average Pace: 7:04 /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 mi10:47:1721:096:4821:09
6:48
#6379
10K
6.21 mi11:08:1242:046:4620:55
6:44
#6028
15K
9.32 mi11:29:081:03:006:4620:56
6:44
#5810
20K
12.43 mi11:50:241:24:166:4721:16
6:51
#5777
Half
13.11 mi11:55:001:28:526:474:36
6:45
#5766
25K
15.53 mi12:11:541:45:466:4916:54
6:58
#5794
30K
18.64 mi12:34:402:08:326:5422:46
7:20
#5934
20M
20.00 mi12:44:492:18:416:5610:09
7:28
#5973
21M
21.00 mi12:52:432:26:356:597:54
7:54
#5960
35K
21.75 mi12:57:492:31:416:585:06
6:49
#5859
23M
23.00 mi13:07:032:40:557:009:14
7:22
#5785
24M
24.00 mi13:14:232:48:157:017:20
7:20
#5756
40K
24.85 mi13:21:012:54:537:026:38
7:45
#5795
25.2M
25.20 mi13:23:572:57:497:032:56
8:30
#5819
Finish
26.22 mi13:31:313:05:237:057:34
7:26
#5831
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi63795495495481(Top 19%)439(Top 4%)439(Top 8%)
10K6.21 mi3.10 mi6028+351486+63486+635671(Top 20%)457(Top 4%)457(Top 8%)
15K9.32 mi3.11 mi5810+218461+25461+255481(Top 19%)439(Top 4%)439(Top 8%)
20K12.43 mi3.11 mi5777+33462-1462-15758(Top 20%)500(Top 4%)500(Top 9%)
Half13.11 mi0.68 mi5766+114624625724(Top 20%)486(Top 4%)486(Top 9%)
25K15.53 mi2.42 mi5794-28487-25487-256146(Top 22%)629(Top 5%)629(Top 12%)
30K18.64 mi3.11 mi5934-140535-48535-486621(Top 23%)878(Top 7%)878(Top 16%)
20M20.00 mi1.36 mi5973-39561-26561-266814(Top 24%)1075(Top 9%)1075(Top 20%)
21M21.00 mi1.00 mi5960+13572-11572-116799(Top 24%)1214(Top 10%)1214(Top 22%)
35K21.75 mi0.75 mi5859+101555+17555+174271(Top 15%)452(Top 4%)452(Top 8%)
23M23.00 mi1.25 mi5785+74559-4559-45906(Top 21%)978(Top 8%)978(Top 18%)
24M24.00 mi1.00 mi5756+29566-7566-76629(Top 23%)1297(Top 11%)1297(Top 24%)
40K24.85 mi0.85 mi5795-39592-26592-268486(Top 30%)2201(Top 18%)2201(Top 40%)
25.2M25.20 mi0.35 mi5819-24605-13605-138833(Top 31%)2417(Top 20%)2417(Top 44%)
Finish26.22 mi1.02 mi5831-12628-23628-238678(Top 31%)2369(Top 19%)2369(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5481

Females

439

F18-39

439

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5671

Females

457

F18-39

457

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5481

Females

439

F18-39

439

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5758

Females

500

F18-39

500

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5724

Females

486

F18-39

486

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

6146

Females

629

F18-39

629

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6621

Females

878

F18-39

878

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6814

Females

1075

F18-39

1075

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6799

Females

1214

F18-39

1214

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4271

Females

452

F18-39

452

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5906

Females

978

F18-39

978

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6629

Females

1297

F18-39

1297

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8486

Females

2201

F18-39

2201

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8833

Females

2417

F18-39

2417

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8678

Females

2369

F18-39

2369

Passing Analysis

Category:
Athletes Passed
1656
Passed By
1108
Net Change
+548
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6379
5K → 10K41160+351#6379#6028
10K → 15K25840+218#6028#5810
15K → 20K149116+33#5810#5777
20K → Half3019+11#5777#5766
Half → 25K122150-28#5766#5794
25K → 30K138278-140#5794#5934
30K → 20M62101-39#5934#5973
20M → 21M7158+13#5973#5960
21M → 35K1109+101#5960#5859
35K → 23M12046+74#5859#5785
23M → 24M6637+29#5785#5756
24M → 40K3978-39#5756#5795
40K → 25.2M2347-24#5795#5819
25.2M → Finish5769-12#5819#5831
TOTALS16561108+548
📊

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