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BOSTON MARATHON 2025

Dawn Delrose

Bib: 24449•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Top 40%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:06
Rank: #21120
Start → 5K
27:06 | 8:43/mi
10K· 6.21 mi
55:01
Rank: #21726 (-606)
5K → 10K
27:55 | 8:59/mi
15K· 9.32 mi
1:22:46
Rank: #21715 (+11)
10K → 15K
27:45 | 8:56/mi
20K· 12.43 mi
1:50:34
Rank: #21436 (+279)
15K → 20K
27:48 | 8:57/mi
Half· 13.11 mi
1:56:31
Rank: #21381 (+55)
20K → Half
5:57 | 8:43/mi
25K· 15.53 mi
2:18:32
Rank: #21191 (+190)
Half → 25K
22:01 | 9:05/mi
30K· 18.64 mi
2:47:24
Rank: #20776 (+415)
25K → 30K
28:52 | 9:17/mi
20M
3:00:08
Rank: #20592 (+184)
30K → 20M
12:44 | 9:22/mi
21M
3:09:55
Rank: #20409 (+183)
20M → 21M
9:47 | 9:47/mi
35K· 21.75 mi
3:16:21
Rank: #20252 (+157)
21M → 35K
6:26 | 8:36/mi
23M
3:27:47
Rank: #20089 (+163)
35K → 23M
11:26 | 9:08/mi
24M
3:36:34
Rank: #19918 (+171)
23M → 24M
8:47 | 8:47/mi
40K· 24.85 mi
3:44:37
Rank: #19851 (+67)
24M → 40K
8:03 | 9:25/mi
25.2M
3:48:19
Rank: #19863 (-12)
40K → 25.2M
3:42 | 10:44/mi
Finish· 26.22 mi
3:57:22
Rank: #19813 (+50)
25.2M → Finish
9:03 | 8:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:31
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time2:00:51
Pace9:13 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:2827:068:4327:06
8:43
-
10K
6.21 mi11:53:2355:018:5127:55
8:59
+0:16
15K
9.32 mi12:21:081:22:468:5327:45
8:56
-0:03
20K
12.43 mi12:48:561:50:348:5427:48
8:57
+0:01
Half
13.11 mi12:54:531:56:318:535:57
8:43
-0:14
25K
15.53 mi13:16:542:18:328:5522:01
9:05
+0:22
30K
18.64 mi13:45:462:47:248:5928:52
9:17
+0:12
20M
20.00 mi13:58:303:00:089:0012:44
9:22
+0:05
21M
21.00 mi14:08:173:09:559:039:47
9:47
+0:25
35K
21.75 mi14:14:433:16:219:026:26
8:36
-1:11
23M
23.00 mi14:26:093:27:479:0211:26
9:08
+0:32
24M
24.00 mi14:34:563:36:349:018:47
8:47
-0:21
40K
24.85 mi14:42:593:44:379:028:03
9:25
+0:38
25.2M
25.20 mi14:46:413:48:199:043:42
10:44
+1:19
Finish
26.22 mi14:55:443:57:229:049:03
8:53
-1:51

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

8:36 /mi

Average Pace

9:04 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

39:29

17% of race

Time at Steady Pace

2:14:45

57% of race

Time at Slower Pace

1:03:08

27% of race

Average Pace: 9:03 /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 mi11:25:2827:068:4327:06
8:43
#21120
10K
6.21 mi11:53:2355:018:5127:55
8:59
#21726
15K
9.32 mi12:21:081:22:468:5327:45
8:56
#21715
20K
12.43 mi12:48:561:50:348:5427:48
8:57
#21436
Half
13.11 mi12:54:531:56:318:535:57
8:43
#21381
25K
15.53 mi13:16:542:18:328:5522:01
9:05
#21191
30K
18.64 mi13:45:462:47:248:5928:52
9:17
#20776
20M
20.00 mi13:58:303:00:089:0012:44
9:22
#20592
21M
21.00 mi14:08:173:09:559:039:47
9:47
#20409
35K
21.75 mi14:14:433:16:219:026:26
8:36
#20252
23M
23.00 mi14:26:093:27:479:0211:26
9:08
#20089
24M
24.00 mi14:34:563:36:349:018:47
8:47
#19918
40K
24.85 mi14:42:593:44:379:028:03
9:25
#19851
25.2M
25.20 mi14:46:413:48:199:043:42
10:44
#19863
Finish
26.22 mi14:55:443:57:229:049:03
8:53
#19813
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi211208147814721710(Top 76%)8382(Top 69%)8382(Top 843%)
10K6.21 mi3.10 mi21726-6068456-3098456-30922333(Top 79%)8780(Top 72%)8780(Top 883%)
15K9.32 mi3.11 mi21715+118443+138443+1321710(Top 76%)8382(Top 69%)8382(Top 843%)
20K12.43 mi3.11 mi21436+2798281+1628281+16220714(Top 73%)7896(Top 65%)7896(Top 794%)
Half13.11 mi0.68 mi21381+558249+328249+3220518(Top 72%)7766(Top 64%)7766(Top 781%)
25K15.53 mi2.42 mi21191+1908150+998150+9920275(Top 71%)7684(Top 63%)7684(Top 773%)
30K18.64 mi3.11 mi20776+4157973+1777973+17719083(Top 67%)7165(Top 59%)7165(Top 721%)
20M20.00 mi1.36 mi20592+1847881+927881+9218639(Top 66%)7078(Top 58%)7078(Top 712%)
21M21.00 mi1.00 mi20409+1837801+807801+8017437(Top 61%)6507(Top 53%)6507(Top 655%)
35K21.75 mi0.75 mi20252+1577735+667735+6616126(Top 57%)5869(Top 48%)5869(Top 590%)
23M23.00 mi1.25 mi20089+1637674+617674+6117034(Top 60%)6477(Top 53%)6477(Top 652%)
24M24.00 mi1.00 mi19918+1717603+717603+7116271(Top 57%)6097(Top 50%)6097(Top 613%)
40K24.85 mi0.85 mi19851+677586+177586+1718378(Top 65%)7327(Top 60%)7327(Top 737%)
25.2M25.20 mi0.35 mi19863-127592-67592-619844(Top 70%)8072(Top 66%)8072(Top 812%)
Finish26.22 mi1.02 mi19813+507577+157577+1518466(Top 65%)7322(Top 60%)7322(Top 737%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

21710

Females

8382

F55-59

8382

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

22333

Females

8780

F55-59

8780

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

21710

Females

8382

F55-59

8382

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

20714

Females

7896

F55-59

7896

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

20518

Females

7766

F55-59

7766

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20275

Females

7684

F55-59

7684

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

19083

Females

7165

F55-59

7165

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

18639

Females

7078

F55-59

7078

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

17437

Females

6507

F55-59

6507

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

16126

Females

5869

F55-59

5869

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

17034

Females

6477

F55-59

6477

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16271

Females

6097

F55-59

6097

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18378

Females

7327

F55-59

7327

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

19844

Females

8072

F55-59

8072

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

18466

Females

7322

F55-59

7322

Passing Analysis

Category:
Athletes Passed
2521
Passed By
1214
Net Change
+1307
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21120
5K → 10K97703-606#21120#21726
10K → 15K211200+11#21726#21715
15K → 20K34364+279#21715#21436
20K → Half6712+55#21436#21381
Half → 25K24252+190#21381#21191
25K → 30K44631+415#21191#20776
30K → 20M20723+184#20776#20592
20M → 21M19411+183#20592#20409
21M → 35K1592+157#20409#20252
35K → 23M17613+163#20252#20089
23M → 24M1798+171#20089#19918
24M → 40K9225+67#19918#19851
40K → 25.2M2436-12#19851#19863
25.2M → Finish8434+50#19863#19813
TOTALS25211214+1307
📊

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