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BOSTON MARATHON 2025

Delia Scoville

Bib: 8743•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 17%
Gender (Female)
#0 / 12228
Top 3%
Division (F18-39)
#0 / 5469
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:19
Rank: #6791
Start → 5K
21:19 | 6:52/mi
10K· 6.21 mi
42:28
Rank: #6620 (+171)
5K → 10K
21:09 | 6:48/mi
15K· 9.32 mi
1:03:42
Rank: #6521 (+99)
10K → 15K
21:14 | 6:50/mi
20K· 12.43 mi
1:24:56
Rank: #6268 (+253)
15K → 20K
21:14 | 6:50/mi
Half· 13.11 mi
1:29:28
Rank: #6171 (+97)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:46:02
Rank: #5941 (+230)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:08:04
Rank: #5741 (+200)
25K → 30K
22:02 | 7:06/mi
20M
2:17:40
Rank: #5618 (+123)
30K → 20M
9:36 | 7:04/mi
21M
2:25:07
Rank: #5510 (+108)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:30:12
Rank: #5427 (+83)
21M → 35K
5:05 | 6:48/mi
23M
2:38:46
Rank: #5209 (+218)
35K → 23M
8:34 | 6:51/mi
24M
2:45:22
Rank: #5053 (+156)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:51:13
Rank: #4947 (+106)
24M → 40K
5:51 | 6:51/mi
25.2M
2:53:49
Rank: #4898 (+49)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:00:33
Rank: #4810 (+88)
25.2M → Finish
6:44 | 6:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:28
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:31:05
Pace6:57 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4721:196:5221:19
6:52
-
10K
6.21 mi11:07:5642:286:5021:09
6:48
-0:04
15K
9.32 mi11:29:101:03:426:5021:14
6:50
+0:02
20K
12.43 mi11:50:241:24:566:5021:14
6:50
0:00
Half
13.11 mi11:54:561:29:286:494:32
6:39
-0:11
25K
15.53 mi12:11:301:46:026:5016:34
6:50
+0:11
30K
18.64 mi12:33:322:08:046:5222:02
7:06
+0:16
20M
20.00 mi12:43:082:17:406:539:36
7:04
-0:02
21M
21.00 mi12:50:352:25:076:557:27
7:27
+0:23
35K
21.75 mi12:55:402:30:126:545:05
6:48
-0:39
23M
23.00 mi13:04:142:38:466:548:34
6:51
+0:03
24M
24.00 mi13:10:502:45:226:536:36
6:36
-0:15
40K
24.85 mi13:16:412:51:136:535:51
6:51
+0:15
25.2M
25.20 mi13:19:172:53:496:542:36
7:32
+0:41
Finish
26.22 mi13:26:013:00:336:536:44
6:36
-0:56

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

6:36 /mi

Average Pace

6:53 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:30

94% of race

Time at Steady Pace

10:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:53 /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 mi10:46:4721:196:5221:19
6:52
#6791
10K
6.21 mi11:07:5642:286:5021:09
6:48
#6620
15K
9.32 mi11:29:101:03:426:5021:14
6:50
#6521
20K
12.43 mi11:50:241:24:566:5021:14
6:50
#6268
Half
13.11 mi11:54:561:29:286:494:32
6:39
#6171
25K
15.53 mi12:11:301:46:026:5016:34
6:50
#5941
30K
18.64 mi12:33:322:08:046:5222:02
7:06
#5741
20M
20.00 mi12:43:082:17:406:539:36
7:04
#5618
21M
21.00 mi12:50:352:25:076:557:27
7:27
#5510
35K
21.75 mi12:55:402:30:126:545:05
6:48
#5427
23M
23.00 mi13:04:142:38:466:548:34
6:51
#5209
24M
24.00 mi13:10:502:45:226:536:36
6:36
#5053
40K
24.85 mi13:16:412:51:136:535:51
6:51
#4947
25.2M
25.20 mi13:19:172:53:496:542:36
7:32
#4898
Finish
26.22 mi13:26:013:00:336:536:44
6:36
#4810
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi67916286286452(Top 23%)606(Top 5%)606(Top 11%)
10K6.21 mi3.10 mi6620+171601+27601+276485(Top 23%)600(Top 5%)600(Top 11%)
15K9.32 mi3.11 mi6521+99605-4605-46452(Top 23%)606(Top 5%)606(Top 11%)
20K12.43 mi3.11 mi6268+253559+46559+465663(Top 20%)485(Top 4%)485(Top 9%)
Half13.11 mi0.68 mi6171+97539+20539+204896(Top 17%)344(Top 3%)344(Top 6%)
25K15.53 mi2.42 mi5941+230519+20519+205162(Top 18%)415(Top 3%)415(Top 8%)
30K18.64 mi3.11 mi5741+200500+19500+195277(Top 19%)504(Top 4%)504(Top 9%)
20M20.00 mi1.36 mi5618+123479+21479+214499(Top 16%)393(Top 3%)393(Top 7%)
21M21.00 mi1.00 mi5510+108471+8471+84383(Top 15%)449(Top 4%)449(Top 8%)
35K21.75 mi0.75 mi5427+83465+6465+64131(Top 15%)420(Top 3%)420(Top 8%)
23M23.00 mi1.25 mi5209+218438+27438+272950(Top 10%)248(Top 2%)248(Top 5%)
24M24.00 mi1.00 mi5053+156424+14424+142522(Top 9%)191(Top 2%)191(Top 3%)
40K24.85 mi0.85 mi4947+106416+8416+83101(Top 11%)308(Top 3%)308(Top 6%)
25.2M25.20 mi0.35 mi4898+49412+4412+43660(Top 13%)462(Top 4%)462(Top 8%)
Finish26.22 mi1.02 mi4810+88403+9403+93400(Top 12%)408(Top 3%)408(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6452

Females

606

F18-39

606

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6485

Females

600

F18-39

600

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6452

Females

606

F18-39

606

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5663

Females

485

F18-39

485

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4896

Females

344

F18-39

344

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5162

Females

415

F18-39

415

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5277

Females

504

F18-39

504

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4499

Females

393

F18-39

393

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4383

Females

449

F18-39

449

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4131

Females

420

F18-39

420

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2950

Females

248

F18-39

248

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2522

Females

191

F18-39

191

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3101

Females

308

F18-39

308

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3660

Females

462

F18-39

462

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3400

Females

408

F18-39

408

Passing Analysis

Category:
Athletes Passed
2404
Passed By
423
Net Change
+1981
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6791
5K → 10K292121+171#6791#6620
10K → 15K206107+99#6620#6521
15K → 20K27522+253#6521#6268
20K → Half992+97#6268#6171
Half → 25K24919+230#6171#5941
25K → 30K27878+200#5941#5741
30K → 20M14320+123#5741#5618
20M → 21M12719+108#5618#5510
21M → 35K918+83#5510#5427
35K → 23M2224+218#5427#5209
23M → 24M1582+156#5209#5053
24M → 40K1115+106#5053#4947
40K → 25.2M523+49#4947#4898
25.2M → Finish10113+88#4898#4810
TOTALS2404423+1981
📊

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