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BOSTON MARATHON 2025

Julia Covelli

PA

Bib: 31581 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:05/mi
28:12
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:09/mi
56:37
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:19/mi
1:25:35
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:38/mi
1:55:31
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:39/mi
2:02:06
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:36/mi
2:27:48
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:30/mi
3:03:31
↑ 181↓ 1480.2%
138 ft elev
20M
11:23/mi
3:18:59
↑ 64↓ 500.2%
148 ft elev
21M
13:08/mi
3:32:07
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:15/mi
3:39:47
↑ 17↓ 861.7%
156 ft elev
23M
10:47/mi
3:53:17
↑ 23↓ 630.6%
116 ft elev
24M
11:16/mi
4:04:33
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:49/mi
4:13:48
↓ 200.3%
20 ft elev
25.2M
10:29/mi
4:17:25
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:14/mi
4:26:50
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:06
Pace9:19 /mi
2nd Half
Distance13.11 mi
Time2:24:44
Pace11:02 /mi
📊Positive Split: 18.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3028:129:0528:12
9:05
-
10K
6.21 mi12:16:5556:379:0728:25
9:09
+0:04
15K
9.32 mi12:45:531:25:359:1128:58
9:19
+0:10
20K
12.43 mi13:15:491:55:319:1829:56
9:38
+0:19
Half
13.11 mi13:22:242:02:069:196:35
9:39
+0:01
25K
15.53 mi13:48:062:27:489:3125:42
10:36
+0:57
30K
18.64 mi14:23:493:03:319:5135:43
11:30
+0:54
20M
20.00 mi14:39:173:18:599:5715:28
11:23
-0:07
21M
21.00 mi14:52:253:32:0710:0613:08
13:08
+1:45
35K
21.75 mi15:00:053:39:4710:067:40
10:15
-2:53
23M
23.00 mi15:13:353:53:1710:0913:30
10:47
+0:32
24M
24.00 mi15:24:514:04:3310:1111:16
11:16
+0:29
40K
24.85 mi15:34:064:13:4810:139:15
10:49
-0:27
25.2M
25.20 mi15:37:434:17:2510:133:37
10:29
-0:20
Finish
26.22 mi15:47:084:26:5010:119:25
9:14
-1:15

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

9:05 /mi

Average Pace

10:11 /mi

Slowest Pace

13:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:31

49% of race

Time at Steady Pace

59:44

22% of race

Time at Slower Pace

1:15:35

28% of race

Average Pace: 10:11 /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 mi11:48:3028:129:0528:12
9:05
#22771
10K
6.21 mi12:16:5556:379:0728:25
9:09
#22861
15K
9.32 mi12:45:531:25:359:1128:58
9:19
#23023
20K
12.43 mi13:15:491:55:319:1829:56
9:38
#23127
Half
13.11 mi13:22:242:02:069:196:35
9:39
#23172
25K
15.53 mi13:48:062:27:489:3125:42
10:36
#23457
30K
18.64 mi14:23:493:03:319:5135:43
11:30
#23804
20M
20.00 mi14:39:173:18:599:5715:28
11:23
#23877
21M
21.00 mi14:52:253:32:0710:0613:08
13:08
#23997
35K
21.75 mi15:00:053:39:4710:067:40
10:15
#23945
23M
23.00 mi15:13:353:53:1710:0913:30
10:47
#23857
24M
24.00 mi15:24:514:04:3310:1111:16
11:16
#23886
40K
24.85 mi15:34:064:13:4810:139:15
10:49
#23847
25.2M
25.20 mi15:37:434:17:2510:133:37
10:29
#23779
Finish
26.22 mi15:47:084:26:5010:119:25
9:14
#23691
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi22771905690562328892559255
10K6.21 mi3.10 mi22861-909077-219077-212298791289128
15K9.32 mi3.11 mi23023-1629139-629139-622328892559255
20K12.43 mi3.11 mi23127-1049197-589197-582331993169316
Half13.11 mi0.68 mi23172-459218-219218-212398997009700
25K15.53 mi2.42 mi23457-2859387-1699387-169245521004410044
30K18.64 mi3.11 mi23804-3479628-2419628-241248411031910319
20M20.00 mi1.36 mi23877-739682-549682-54243361013210132
21M21.00 mi1.00 mi23997-1209770-889770-88252381068810688
35K21.75 mi0.75 mi23945+529755+159755+152258293309330
23M23.00 mi1.25 mi23857+889723+329723+322271994559455
24M24.00 mi1.00 mi23886-299749-269749-26245061038510385
40K24.85 mi0.85 mi23847+399741+89741+82273195719571
25.2M25.20 mi0.35 mi23779+689711+309711+301904776867686
Finish26.22 mi1.02 mi23691+889677+349677+342017082488248

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

23288

Females

9255

F18-39

9255

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

22987

Females

9128

F18-39

9128

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

23288

Females

9255

F18-39

9255

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23319

Females

9316

F18-39

9316

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

23989

Females

9700

F18-39

9700

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24552

Females

10044

F18-39

10044

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24841

Females

10319

F18-39

10319

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

24336

Females

10132

F18-39

10132

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25238

Females

10688

F18-39

10688

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

22582

Females

9330

F18-39

9330

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22719

Females

9455

F18-39

9455

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24506

Females

10385

F18-39

10385

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22731

Females

9571

F18-39

9571

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19047

Females

7686

F18-39

7686

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20170

Females

8248

F18-39

8248

Passing Analysis

Category:
Athletes Passed
1108
Passed By
2028
Net Change
-920
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22771
5K → 10K205295-90#22771#22861
10K → 15K120282-162#22861#23023
15K → 20K134238-104#23023#23127
20K → Half1863-45#23127#23172
Half → 25K50335-285#23172#23457
25K → 30K68415-347#23457#23804
30K → 20M51124-73#23804#23877
20M → 21M29149-120#23877#23997
21M → 35K6917+52#23997#23945
35K → 23M10921+88#23945#23857
23M → 24M3160-29#23857#23886
24M → 40K6324+39#23886#23847
40K → 25.2M691+68#23847#23779
25.2M → Finish924+88#23779#23691
TOTALS11082028-920

Passing Charts

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