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BOSTON MARATHON 2025

Delaney Dowdell

Bib: 28000•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
8:02/mi
24:58
↑ 97↓ 3451.5%
10K· 6.21 mi
8:17/mi
50:41
↑ 79↓ 1380.4%
15K· 9.32 mi
8:41/mi
1:17:40
↑ 67↓ 78
20K· 12.43 mi
9:08/mi
1:46:03
↑ 106↓ 860.1%
Half· 13.11 mi
8:48/mi
1:52:03
↑ 19↓ 370.5%
25K· 15.53 mi
9:28/mi
2:14:59
↑ 66↓ 880.2%
30K· 18.64 mi
10:16/mi
2:46:52
↑ 181↓ 1480.2%
20M
11:05/mi
3:01:56
↑ 64↓ 500.2%
21M
11:26/mi
3:13:22
↑ 106↓ 241.6%
35K· 21.75 mi
10:08/mi
3:20:57
↑ 17↓ 861.7%
23M
11:34/mi
3:35:26
↑ 23↓ 630.6%
24M
9:22/mi
3:44:48
↓ 821.3%
40K· 24.85 mi
10:29/mi
3:53:46
↓ 200.3%
25.2M
10:55/mi
3:57:32
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
4:06:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:03
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:14:28
Pace10:15 /mi
📊Positive Split: 20.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:5824:588:0224:58
8:02
-
10K
6.21 mi12:12:4150:418:0925:43
8:17
+0:15
15K
9.32 mi12:39:401:17:408:2026:59
8:41
+0:24
20K
12.43 mi13:08:031:46:038:3228:23
9:08
+0:27
Half
13.11 mi13:14:031:52:038:336:00
8:48
-0:20
25K
15.53 mi13:36:592:14:598:4122:56
9:28
+0:40
30K
18.64 mi14:08:522:46:528:5731:53
10:16
+0:48
20M
20.00 mi14:23:563:01:569:0615:04
11:05
+0:49
21M
21.00 mi14:35:223:13:229:1211:26
11:26
+0:21
35K
21.75 mi14:42:573:20:579:147:35
10:08
-1:18
23M
23.00 mi14:57:263:35:269:2214:29
11:34
+1:26
24M
24.00 mi15:06:483:44:489:229:22
9:22
-2:12
40K
24.85 mi15:15:463:53:469:248:58
10:29
+1:07
25.2M
25.20 mi15:19:323:57:329:263:46
10:55
+0:26
Finish
26.22 mi15:28:314:06:319:258:59
8:49
-2:06

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

8:02 /mi

Average Pace

9:25 /mi

Slowest Pace

11:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:39

38% of race

Time at Steady Pace

1:00:41

25% of race

Time at Slower Pace

1:33:11

38% of race

Average Pace: 9:24 /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 mi11:46:5824:588:0224:58
8:02
#16892
10K
6.21 mi12:12:4150:418:0925:43
8:17
#17675
15K
9.32 mi12:39:401:17:408:2026:59
8:41
#18608
20K
12.43 mi13:08:031:46:038:3228:23
9:08
#19490
Half
13.11 mi13:14:031:52:038:336:00
8:48
#19571
25K
15.53 mi13:36:592:14:598:4122:56
9:28
#19999
30K
18.64 mi14:08:522:46:528:5731:53
10:16
#20639
20M
20.00 mi14:23:563:01:569:0615:04
11:05
#21013
21M
21.00 mi14:35:223:13:229:1211:26
11:26
#21159
35K
21.75 mi14:42:573:20:579:147:35
10:08
#21205
23M
23.00 mi14:57:263:35:269:2214:29
11:34
#21492
24M
24.00 mi15:06:483:44:489:229:22
9:22
#21383
40K
24.85 mi15:15:463:53:469:248:58
10:29
#21413
25.2M
25.20 mi15:19:323:57:329:263:46
10:55
#21380
Finish
26.22 mi15:28:314:06:319:258:59
8:49
#21270
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi168925685568520424(Top 72%)7672(Top 63%)7672(Top 140%)
10K6.21 mi3.10 mi17675-7836138-4536138-45318417(Top 65%)6552(Top 54%)6552(Top 120%)
15K9.32 mi3.11 mi18608-9336684-5466684-54620424(Top 72%)7672(Top 63%)7672(Top 140%)
20K12.43 mi3.11 mi19490-8827183-4997183-49921623(Top 76%)8384(Top 69%)8384(Top 153%)
Half13.11 mi0.68 mi19571-817231-487231-4820932(Top 74%)8015(Top 66%)8015(Top 147%)
25K15.53 mi2.42 mi19999-4287483-2527483-25221729(Top 76%)8502(Top 70%)8502(Top 155%)
30K18.64 mi3.11 mi20639-6407895-4127895-41222348(Top 79%)8968(Top 73%)8968(Top 164%)
20M20.00 mi1.36 mi21013-3748110-2158110-21523779(Top 84%)9833(Top 80%)9833(Top 180%)
21M21.00 mi1.00 mi21159-1468207-978207-9722487(Top 79%)9231(Top 75%)9231(Top 169%)
35K21.75 mi0.75 mi21205-468245-388245-3822271(Top 78%)9170(Top 75%)9170(Top 168%)
23M23.00 mi1.25 mi21492-2878427-1828427-18224372(Top 86%)10281(Top 84%)10281(Top 188%)
24M24.00 mi1.00 mi21383+1098384+438384+4319123(Top 67%)7616(Top 62%)7616(Top 139%)
40K24.85 mi0.85 mi21413-308425-418425-4121899(Top 77%)9144(Top 75%)9144(Top 167%)
25.2M25.20 mi0.35 mi21380+338418+78418+720425(Top 72%)8373(Top 68%)8373(Top 153%)
Finish26.22 mi1.02 mi21270+1108372+468372+4618167(Top 64%)7176(Top 59%)7176(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

20424

Females

7672

F18-39

7672

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

18417

Females

6552

F18-39

6552

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

20424

Females

7672

F18-39

7672

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

21623

Females

8384

F18-39

8384

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

20932

Females

8015

F18-39

8015

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

21729

Females

8502

F18-39

8502

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

22348

Females

8968

F18-39

8968

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23779

Females

9833

F18-39

9833

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

22487

Females

9231

F18-39

9231

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22271

Females

9170

F18-39

9170

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24372

Females

10281

F18-39

10281

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

19123

Females

7616

F18-39

7616

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21899

Females

9144

F18-39

9144

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20425

Females

8373

F18-39

8373

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18167

Females

7176

F18-39

7176

Passing Analysis

Category:
Athletes Passed
794
Passed By
5172
Net Change
-4378
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16892
5K → 10K84867-783#16892#17675
10K → 15K27960-933#17675#18608
15K → 20K41923-882#18608#19490
20K → Half1798-81#19490#19571
Half → 25K60488-428#19571#19999
25K → 30K87727-640#19999#20639
30K → 20M33407-374#20639#21013
20M → 21M46192-146#21013#21159
21M → 35K4793-46#21159#21205
35K → 23M35322-287#21205#21492
23M → 24M1178+109#21492#21383
24M → 40K4777-30#21383#21413
40K → 25.2M363+33#21413#21380
25.2M → Finish1177+110#21380#21270
TOTALS7945172-4378
📊

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