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BOSTON MARATHON 2025

Dianna Aucoin

Bib: 8257•F

NH

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

Start
0:00:00
Race begins
5K· 3.11 mi
31:28
Rank: #25897
Start → 5K
10:08/mi
31:28 split
10K· 6.21 mi
1:02:39
Rank: #25621 (+276)
5K → 10K
10:02/mi
31:11 split
15K· 9.32 mi
1:34:09
Rank: #25540 (+81)
10K → 15K
10:08/mi
31:30 split
20K· 12.43 mi
2:06:29
Rank: #25391 (+149)
15K → 20K
10:24/mi
32:20 split
Half· 13.11 mi
2:13:28
Rank: #25377 (+14)
20K → Half
10:14/mi
6:59 split
25K· 15.53 mi
2:38:27
Rank: #25115 (+262)
Half → 25K
10:18/mi
24:59 split
30K· 18.64 mi
3:11:07
Rank: #24772 (+343)
25K → 30K
10:31/mi
32:40 split
20M
3:25:39
Rank: #24650 (+122)
30K → 20M
10:42/mi
14:32 split
21M
3:37:05
Rank: #24541 (+109)
20M → 21M
11:26/mi
11:26 split
35K· 21.75 mi
3:44:42
Rank: #24482 (+59)
21M → 35K
10:11/mi
7:37 split
23M
3:57:57
Rank: #24362 (+120)
35K → 23M
10:35/mi
13:15 split
24M
4:08:17
Rank: #24271 (+91)
23M → 24M
10:20/mi
10:20 split
40K· 24.85 mi
4:17:17
Rank: #24211 (+60)
24M → 40K
10:32/mi
9:00 split
25.2M
4:21:23
Rank: #24192 (+19)
40K → 25.2M
11:53/mi
4:06 split
Finish· 26.22 mi
4:31:48
Rank: #24171 (+21)
25.2M → Finish
10:13/mi
10:25 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:28
Pace10:11 /mi
2nd Half
Distance13.11 mi
Time2:18:20
Pace10:33 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:41:0931:2810:0831:28
10:08
-
10K
6.21 mi11:12:201:02:3910:0531:11
10:02
-0:06
15K
9.32 mi11:43:501:34:0910:0631:30
10:08
+0:06
20K
12.43 mi12:16:102:06:2910:1132:20
10:24
+0:16
Half
13.11 mi12:23:092:13:2810:116:59
10:14
-0:10
25K
15.53 mi12:48:082:38:2710:1224:59
10:18
+0:04
30K
18.64 mi13:20:483:11:0710:1532:40
10:31
+0:13
20M
20.00 mi13:35:203:25:3910:1714:32
10:42
+0:11
21M
21.00 mi13:46:463:37:0510:2011:26
11:26
+0:44
35K
21.75 mi13:54:233:44:4210:207:37
10:11
-1:15
23M
23.00 mi14:07:383:57:5710:2113:15
10:35
+0:24
24M
24.00 mi14:17:584:08:1710:2110:20
10:20
-0:15
40K
24.85 mi14:26:584:17:1710:219:00
10:32
+0:12
25.2M
25.20 mi14:31:044:21:2310:224:06
11:53
+1:21
Finish
26.22 mi14:41:294:31:4810:2210:25
10:13
-1:40

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

10:02 /mi

Average Pace

10:22 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:16:16

94% of race

Time at Steady Pace

11:26

4% of race

Time at Slower Pace

4:06

2% of race

Average Pace: 10:22 /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 mi10:41:0931:2810:0831:28
10:08
#25897
10K
6.21 mi11:12:201:02:3910:0531:11
10:02
#25621
15K
9.32 mi11:43:501:34:0910:0631:30
10:08
#25540
20K
12.43 mi12:16:102:06:2910:1132:20
10:24
#25391
Half
13.11 mi12:23:092:13:2810:116:59
10:14
#25377
25K
15.53 mi12:48:082:38:2710:1224:59
10:18
#25115
30K
18.64 mi13:20:483:11:0710:1532:40
10:31
#24772
20M
20.00 mi13:35:203:25:3910:1714:32
10:42
#24650
21M
21.00 mi13:46:463:37:0510:2011:26
11:26
#24541
35K
21.75 mi13:54:233:44:4210:207:37
10:11
#24482
23M
23.00 mi14:07:383:57:5710:2113:15
10:35
#24362
24M
24.00 mi14:17:584:08:1710:2110:20
10:20
#24271
40K
24.85 mi14:26:584:17:1710:219:00
10:32
#24211
25.2M
25.20 mi14:31:044:21:2310:224:06
11:53
#24192
Finish
26.22 mi14:41:294:31:4810:2210:25
10:13
#24171
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25897107061070625290(Top 89%)10399(Top 85%)10399(Top 605%)
10K6.21 mi3.10 mi25621+27610567+13910567+13925398(Top 89%)10456(Top 86%)10456(Top 609%)
15K9.32 mi3.11 mi25540+8110518+4910518+4925290(Top 89%)10399(Top 85%)10399(Top 605%)
20K12.43 mi3.11 mi25391+14910454+6410454+6425041(Top 88%)10281(Top 84%)10281(Top 598%)
Half13.11 mi0.68 mi25377+1410443+1110443+1125328(Top 89%)10444(Top 85%)10444(Top 608%)
25K15.53 mi2.42 mi25115+26210316+12710316+12723974(Top 84%)9726(Top 80%)9726(Top 566%)
30K18.64 mi3.11 mi24772+34310156+16010156+16022976(Top 81%)9313(Top 76%)9313(Top 542%)
20M20.00 mi1.36 mi24650+12210098+5810098+5822949(Top 81%)9397(Top 77%)9397(Top 547%)
21M21.00 mi1.00 mi24541+10910054+4410054+4422500(Top 79%)9244(Top 76%)9244(Top 538%)
35K21.75 mi0.75 mi24482+5910032+2210032+2222411(Top 79%)9248(Top 76%)9248(Top 538%)
23M23.00 mi1.25 mi24362+1209980+529980+5222239(Top 78%)9195(Top 75%)9195(Top 535%)
24M24.00 mi1.00 mi24271+919941+399941+3922370(Top 79%)9331(Top 76%)9331(Top 543%)
40K24.85 mi0.85 mi24211+609930+119930+1122021(Top 78%)9212(Top 75%)9212(Top 536%)
25.2M25.20 mi0.35 mi24192+199932-29932-223032(Top 81%)9675(Top 79%)9675(Top 563%)
Finish26.22 mi1.02 mi24171+219927+59927+523598(Top 83%)9972(Top 82%)9972(Top 580%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25290

Females

10399

F40-44

10399

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25398

Females

10456

F40-44

10456

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25290

Females

10399

F40-44

10399

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

25041

Females

10281

F40-44

10281

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

25328

Females

10444

F40-44

10444

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

23974

Females

9726

F40-44

9726

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

22976

Females

9313

F40-44

9313

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

22949

Females

9397

F40-44

9397

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

22500

Females

9244

F40-44

9244

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

22411

Females

9248

F40-44

9248

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22239

Females

9195

F40-44

9195

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

22370

Females

9331

F40-44

9331

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22021

Females

9212

F40-44

9212

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

23032

Females

9675

F40-44

9675

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23598

Females

9972

F40-44

9972

Passing Analysis

Category:
Athletes Passed
2068
Passed By
342
Net Change
+1726
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25897
5K → 10K34973+276#25897#25621
10K → 15K16887+81#25621#25540
15K → 20K19849+149#25540#25391
20K → Half2814+14#25391#25377
Half → 25K27210+262#25377#25115
25K → 30K35411+343#25115#24772
30K → 20M13210+122#24772#24650
20M → 21M1189+109#24650#24541
21M → 35K634+59#24541#24482
35K → 23M13515+120#24482#24362
23M → 24M976+91#24362#24271
24M → 40K7414+60#24271#24211
40K → 25.2M3213+19#24211#24192
25.2M → Finish4827+21#24192#24171
TOTALS2068342+1726
📊

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