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BOSTON MARATHON 2025

Ayumi Durden

Bib: 32527•F

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
10:02/mi
31:09
↑ 97↓ 3451.5%
10K· 6.21 mi
9:56/mi
1:02:00
↑ 79↓ 1380.4%
15K· 9.32 mi
10:01/mi
1:33:08
↑ 67↓ 78
20K· 12.43 mi
9:55/mi
2:03:58
↑ 106↓ 860.1%
Half· 13.11 mi
9:40/mi
2:10:34
↑ 19↓ 370.5%
25K· 15.53 mi
9:50/mi
2:34:25
↑ 66↓ 880.2%
30K· 18.64 mi
10:08/mi
3:05:53
↑ 181↓ 1480.2%
20M
9:58/mi
3:19:25
↑ 64↓ 500.2%
21M
10:26/mi
3:29:51
↑ 106↓ 241.6%
35K· 21.75 mi
9:37/mi
3:37:03
↑ 17↓ 861.7%
23M
10:06/mi
3:49:42
↑ 23↓ 630.6%
24M
9:58/mi
3:59:40
↓ 821.3%
40K· 24.85 mi
9:56/mi
4:08:10
↓ 200.3%
25.2M
10:55/mi
4:11:56
↑ 13↓ 160.2%
Finish· 26.22 mi
9:50/mi
4:21:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:10:34
Pace9:58 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:11:23
Pace10:01 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:41:2431:0910:0231:09
10:02
-
10K
6.21 mi11:12:151:02:009:5930:51
9:56
-0:06
15K
9.32 mi11:43:231:33:0810:0031:08
10:01
+0:05
20K
12.43 mi12:14:132:03:589:5930:50
9:55
-0:06
Half
13.11 mi12:20:492:10:349:586:36
9:40
-0:15
25K
15.53 mi12:44:402:34:259:5623:51
9:50
+0:10
30K
18.64 mi13:16:083:05:539:5831:28
10:08
+0:18
20M
20.00 mi13:29:403:19:259:5813:32
9:58
-0:10
21M
21.00 mi13:40:063:29:5110:0010:26
10:26
+0:28
35K
21.75 mi13:47:183:37:039:597:12
9:37
-0:49
23M
23.00 mi13:59:573:49:429:5912:39
10:06
+0:29
24M
24.00 mi14:09:553:59:409:599:58
9:58
-0:08
40K
24.85 mi14:18:254:08:109:598:30
9:56
-0:02
25.2M
25.20 mi14:22:114:11:5610:003:46
10:55
+0:59
Finish
26.22 mi14:32:124:21:5710:0010:01
9:50
-1:05

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

9:37 /mi

Average Pace

10:00 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:18:11

99% of race

Time at Steady Pace

3:46

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:59 /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 mi10:41:2431:0910:0231:09
10:02
#25637
10K
6.21 mi11:12:151:02:009:5930:51
9:56
#25386
15K
9.32 mi11:43:231:33:0810:0031:08
10:01
#25267
20K
12.43 mi12:14:132:03:589:5930:50
9:55
#24954
Half
13.11 mi12:20:492:10:349:586:36
9:40
#24901
25K
15.53 mi12:44:402:34:259:5623:51
9:50
#24591
30K
18.64 mi13:16:083:05:539:5831:28
10:08
#24163
20M
20.00 mi13:29:403:19:259:5813:32
9:58
#23923
21M
21.00 mi13:40:063:29:5110:0010:26
10:26
#23707
35K
21.75 mi13:47:183:37:039:597:12
9:37
#23604
23M
23.00 mi13:59:573:49:429:5912:39
10:06
#23437
24M
24.00 mi14:09:553:59:409:599:58
9:58
#23346
40K
24.85 mi14:18:254:08:109:598:30
9:56
#23219
25.2M
25.20 mi14:22:114:11:5610:003:46
10:55
#23175
Finish
26.22 mi14:32:124:21:5710:0010:01
9:50
#23160
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25637105501055025034(Top 88%)10231(Top 84%)10231(Top 596%)
10K6.21 mi3.10 mi25386+25110441+10910441+10925166(Top 89%)10321(Top 84%)10321(Top 601%)
15K9.32 mi3.11 mi25267+11910371+7010371+7025034(Top 88%)10231(Top 84%)10231(Top 596%)
20K12.43 mi3.11 mi24954+31310211+16010211+16024077(Top 85%)9752(Top 80%)9752(Top 568%)
Half13.11 mi0.68 mi24901+5310185+2610185+2624045(Top 85%)9728(Top 80%)9728(Top 566%)
25K15.53 mi2.42 mi24591+31010028+15710028+15722868(Top 81%)9127(Top 75%)9127(Top 531%)
30K18.64 mi3.11 mi24163+4289817+2119817+21121993(Top 77%)8768(Top 72%)8768(Top 510%)
20M20.00 mi1.36 mi23923+2409707+1109707+11020814(Top 73%)8260(Top 68%)8260(Top 481%)
21M21.00 mi1.00 mi23707+2169613+949613+9419820(Top 70%)7813(Top 64%)7813(Top 455%)
35K21.75 mi0.75 mi23604+1039566+479566+4720803(Top 73%)8404(Top 69%)8404(Top 489%)
23M23.00 mi1.25 mi23437+1679498+689498+6820845(Top 73%)8482(Top 69%)8482(Top 494%)
24M24.00 mi1.00 mi23346+919466+329466+3221297(Top 75%)8755(Top 72%)8755(Top 510%)
40K24.85 mi0.85 mi23219+1279424+429424+4220300(Top 71%)8320(Top 68%)8320(Top 484%)
25.2M25.20 mi0.35 mi23175+449405+199405+1920452(Top 72%)8400(Top 69%)8400(Top 489%)
Finish26.22 mi1.02 mi23160+159413-89413-822399(Top 79%)9374(Top 77%)9374(Top 546%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

25034

Females

10231

F40-44

10231

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25166

Females

10321

F40-44

10321

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

25034

Females

10231

F40-44

10231

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24077

Females

9752

F40-44

9752

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24045

Females

9728

F40-44

9728

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

22868

Females

9127

F40-44

9127

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21993

Females

8768

F40-44

8768

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

20814

Females

8260

F40-44

8260

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

19820

Females

7813

F40-44

7813

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

20803

Females

8404

F40-44

8404

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

20845

Females

8482

F40-44

8482

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21297

Females

8755

F40-44

8755

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20300

Females

8320

F40-44

8320

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20452

Females

8400

F40-44

8400

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22399

Females

9374

F40-44

9374

Passing Analysis

Category:
Athletes Passed
2751
Passed By
274
Net Change
+2477
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25637
5K → 10K33483+251#25637#25386
10K → 15K20182+119#25386#25267
15K → 20K33421+313#25267#24954
20K → Half6512+53#24954#24901
Half → 25K3122+310#24901#24591
25K → 30K4357+428#24591#24163
30K → 20M2422+240#24163#23923
20M → 21M2182+216#23923#23707
21M → 35K1074+103#23707#23604
35K → 23M17912+167#23604#23437
23M → 24M10312+91#23437#23346
24M → 40K1270+127#23346#23219
40K → 25.2M473+44#23219#23175
25.2M → Finish4732+15#23175#23160
TOTALS2751274+2477
📊

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