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BOSTON MARATHON 2025

Diana O Dea

Bib: 20300•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
9:29/mi
29:29
↑ 97↓ 3451.5%
10K· 6.21 mi
9:13/mi
58:07
↑ 79↓ 1380.4%
15K· 9.32 mi
9:36/mi
1:27:55
↑ 67↓ 78
20K· 12.43 mi
10:09/mi
1:59:27
↑ 106↓ 860.1%
Half· 13.11 mi
14:25/mi
2:09:17
↑ 19↓ 370.5%
25K· 15.53 mi
10:52/mi
2:35:38
↑ 66↓ 880.2%
30K· 18.64 mi
10:34/mi
3:08:27
↑ 181↓ 1480.2%
20M
10:16/mi
3:22:24
↑ 64↓ 500.2%
21M
12:12/mi
3:34:36
↑ 106↓ 241.6%
35K· 21.75 mi
9:23/mi
3:41:37
↑ 17↓ 861.7%
23M
9:48/mi
3:53:53
↑ 23↓ 630.6%
24M
9:31/mi
4:03:24
↓ 821.3%
40K· 24.85 mi
10:23/mi
4:12:17
↓ 200.3%
25.2M
11:33/mi
4:16:16
↑ 13↓ 160.2%
Finish· 26.22 mi
9:39/mi
4:26:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:17
Pace9:52 /mi
2nd Half
Distance13.11 mi
Time2:16:49
Pace10:26 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:2129:299:2929:29
9:29
-
10K
6.21 mi11:53:5958:079:2128:38
9:13
-0:16
15K
9.32 mi12:23:471:27:559:2629:48
9:36
+0:23
20K
12.43 mi12:55:191:59:279:3731:32
10:09
+0:33
Half
13.11 mi13:05:092:09:179:529:50
14:25
+4:16
25K
15.53 mi13:31:302:35:3810:0126:21
10:52
-3:33
30K
18.64 mi14:04:193:08:2710:0732:49
10:34
-0:18
20M
20.00 mi14:18:163:22:2410:0713:57
10:16
-0:18
21M
21.00 mi14:30:283:34:3610:1312:12
12:12
+1:56
35K
21.75 mi14:37:293:41:3710:117:01
9:23
-2:49
23M
23.00 mi14:49:453:53:5310:1012:16
9:48
+0:25
24M
24.00 mi14:59:164:03:2410:099:31
9:31
-0:17
40K
24.85 mi15:08:094:12:1710:098:53
10:23
+0:52
25.2M
25.20 mi15:12:084:16:1610:103:59
11:33
+1:10
Finish
26.22 mi15:21:584:26:0610:099:50
9:39
-1:54

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

9:13 /mi

Average Pace

10:09 /mi

Slowest Pace

14:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:08

24% of race

Time at Steady Pace

2:28:36

56% of race

Time at Slower Pace

52:22

20% of race

Average Pace: 10:09 /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 mi11:25:2129:299:2929:29
9:29
#24219
10K
6.21 mi11:53:5958:079:2128:38
9:13
#23740
15K
9.32 mi12:23:471:27:559:2629:48
9:36
#23844
20K
12.43 mi12:55:191:59:279:3731:32
10:09
#24059
Half
13.11 mi13:05:092:09:179:529:50
14:25
#24657
25K
15.53 mi13:31:302:35:3810:0126:21
10:52
#24757
30K
18.64 mi14:04:193:08:2710:0732:49
10:34
#24476
20M
20.00 mi14:18:163:22:2410:0713:57
10:16
#24300
21M
21.00 mi14:30:283:34:3610:1312:12
12:12
#24279
35K
21.75 mi14:37:293:41:3710:117:01
9:23
#24142
23M
23.00 mi14:49:453:53:5310:1012:16
9:48
#23916
24M
24.00 mi14:59:164:03:2410:099:31
9:31
#23777
40K
24.85 mi15:08:094:12:1710:098:53
10:23
#23703
25.2M
25.20 mi15:12:084:16:1610:103:59
11:33
#23692
Finish
26.22 mi15:21:584:26:0610:099:50
9:39
#23612
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi242199811981123995(Top 84%)9663(Top 79%)9663(Top 533%)
10K6.21 mi3.10 mi23740+4799549+2629549+26223265(Top 82%)9276(Top 76%)9276(Top 512%)
15K9.32 mi3.11 mi23844-1049592-439592-4323995(Top 84%)9663(Top 79%)9663(Top 533%)
20K12.43 mi3.11 mi24059-2159722-1309722-13024531(Top 86%)10002(Top 82%)10002(Top 552%)
Half13.11 mi0.68 mi24657-59810049-32710049-32728303(Top 100%)12181(Top 100%)12181(Top 672%)
25K15.53 mi2.42 mi24757-10010123-7410123-7425005(Top 88%)10288(Top 84%)10288(Top 567%)
30K18.64 mi3.11 mi24476+2819990+1339990+13323084(Top 81%)9366(Top 77%)9366(Top 517%)
20M20.00 mi1.36 mi24300+1769913+779913+7721781(Top 77%)8785(Top 72%)8785(Top 485%)
21M21.00 mi1.00 mi24279+219920-79920-723937(Top 84%)9997(Top 82%)9997(Top 551%)
35K21.75 mi0.75 mi24142+1379846+749846+7419912(Top 70%)7943(Top 65%)7943(Top 438%)
23M23.00 mi1.25 mi23916+2269758+889758+8819805(Top 70%)7951(Top 65%)7951(Top 439%)
24M24.00 mi1.00 mi23777+1399692+669692+6619704(Top 69%)7943(Top 65%)7943(Top 438%)
40K24.85 mi0.85 mi23703+749671+219671+2121636(Top 76%)9010(Top 74%)9010(Top 497%)
25.2M25.20 mi0.35 mi23692+119670+19670+122220(Top 78%)9270(Top 76%)9270(Top 511%)
Finish26.22 mi1.02 mi23612+809647+239647+2321748(Top 77%)9041(Top 74%)9041(Top 499%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

23995

Females

9663

F45-49

9663

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

23265

Females

9276

F45-49

9276

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

23995

Females

9663

F45-49

9663

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24531

Females

10002

F45-49

10002

20K→Half

12.4 - 13.1 mi

Top 100%
×2story building
+19ft-37ft

Overall

28303

Females

12181

F45-49

12181

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

25005

Females

10288

F45-49

10288

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

23084

Females

9366

F45-49

9366

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

21781

Females

8785

F45-49

8785

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

23937

Females

9997

F45-49

9997

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

19912

Females

7943

F45-49

7943

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

19805

Females

7951

F45-49

7951

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

19704

Females

7943

F45-49

7943

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21636

Females

9010

F45-49

9010

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22220

Females

9270

F45-49

9270

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

21748

Females

9041

F45-49

9041

Passing Analysis

Category:
Athletes Passed
2057
Passed By
1450
Net Change
+607
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24219
5K → 10K55677+479#24219#23740
10K → 15K119223-104#23740#23844
15K → 20K70285-215#23844#24059
20K → Half0598-598#24059#24657
Half → 25K67167-100#24657#24757
25K → 30K29817+281#24757#24476
30K → 20M1815+176#24476#24300
20M → 21M7655+21#24300#24279
21M → 35K1370+137#24279#24142
35K → 23M2260+226#24142#23916
23M → 24M1412+139#23916#23777
24M → 40K806+74#23777#23703
40K → 25.2M187+11#23703#23692
25.2M → Finish888+80#23692#23612
TOTALS20571450+607
📊

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