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BOSTON MARATHON 2025

Abigail Costello

VA

Bib: 13726 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 33%
Gender (Female)
#0 / 12228
Top 16%
Division (F18-39)
#0 / 5469
Top 29%
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
7:02/mi
21:50
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:04/mi
43:46
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:16/mi
1:06:20
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:28/mi
1:29:32
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:20/mi
1:34:32
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:39/mi
1:53:06
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:53/mi
2:17:37
↑ 181↓ 1480.2%
138 ft elev
20M
8:01/mi
2:28:30
↑ 64↓ 500.2%
148 ft elev
21M
8:32/mi
2:37:02
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:38/mi
2:42:45
↑ 17↓ 861.7%
156 ft elev
23M
8:07/mi
2:52:55
↑ 23↓ 630.6%
116 ft elev
24M
7:37/mi
3:00:32
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:55/mi
3:07:18
↓ 200.3%
20 ft elev
25.2M
8:36/mi
3:10:16
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:27/mi
3:17:52
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:34:327:13 /mi⚡ faster
2nd Half
1:43:207:53 /mi+9.3%
Positive split — 9.3% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2821:507:0221:50
7:02
-
10K
6.21 mi11:12:2443:467:0321:56
7:04
+0:02
15K
9.32 mi11:34:581:06:207:0722:34
7:16
+0:12
20K
12.43 mi11:58:101:29:327:1223:12
7:28
+0:12
Half
13.11 mi12:03:101:34:327:135:00
7:20
-0:08
25K
15.53 mi12:21:441:53:067:1718:34
7:39
+0:19
30K
18.64 mi12:46:152:17:377:2324:31
7:53
+0:14
20M
20.00 mi12:57:082:28:307:2510:53
8:01
+0:08
21M
21.00 mi13:05:402:37:027:298:32
8:32
+0:31
35K
21.75 mi13:11:232:42:457:295:43
7:38
-0:54
23M
23.00 mi13:21:332:52:557:3110:10
8:07
+0:29
24M
24.00 mi13:29:103:00:327:317:37
7:37
-0:30
40K
24.85 mi13:35:563:07:187:326:46
7:55
+0:18
25.2M
25.20 mi13:38:543:10:167:332:58
8:36
+0:41
Finish
26.22 mi13:46:303:17:527:337:36
7:27
-1:09

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

7:02 /mi

Average Pace

7:33 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:20

36% of race

Time at Steady Pace

1:02:42

32% of race

Time at Slower Pace

1:03:50

32% of race

Average Pace: 7:33 /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 mi10:50:2821:507:0221:50
7:02
#8052
10K
6.21 mi11:12:2443:467:0321:56
7:04
#8214
15K
9.32 mi11:34:581:06:207:0722:34
7:16
#8636
20K
12.43 mi11:58:101:29:327:1223:12
7:28
#9032
Half
13.11 mi12:03:101:34:327:135:00
7:20
#9095
25K
15.53 mi12:21:441:53:067:1718:34
7:39
#9413
30K
18.64 mi12:46:152:17:377:2324:31
7:53
#9554
20M
20.00 mi12:57:082:28:307:2510:53
8:01
#9593
21M
21.00 mi13:05:402:37:027:298:32
8:32
#9617
35K
21.75 mi13:11:232:42:457:295:43
7:38
#9606
23M
23.00 mi13:21:332:52:557:3110:10
8:07
#9660
24M
24.00 mi13:29:103:00:327:317:37
7:37
#9577
40K
24.85 mi13:35:563:07:187:326:46
7:55
#9542
25.2M
25.20 mi13:38:543:10:167:332:58
8:36
#9521
Finish
26.22 mi13:46:303:17:527:337:36
7:27
#9470
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi805210021002970417561756
10K6.21 mi3.10 mi8214-1621073-711073-71837011341134
15K9.32 mi3.11 mi8636-4221250-1771250-177970417561756
20K12.43 mi3.11 mi9032-3961429-1791429-1791049422052205
Half13.11 mi0.68 mi9095-631456-271456-271031320932093
25K15.53 mi2.42 mi9413-3181637-1811637-1811121326892689
30K18.64 mi3.11 mi9554-1411758-1211758-1211056525712571
20M20.00 mi1.36 mi9593-391812-541812-541051026842684
21M21.00 mi1.00 mi9617-241846-341846-341070129492949
35K21.75 mi0.75 mi9606+111859-131859-13965824332433
23M23.00 mi1.25 mi9660-541928-691928-691087031573157
24M24.00 mi1.00 mi9577+831937-91937-9856021222122
40K24.85 mi0.85 mi9542+351951-141951-14958727122712
25.2M25.20 mi0.35 mi9521+211960-91960-9946827452745
Finish26.22 mi1.02 mi9470+511981-211981-21892024942494

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9704

Females

1756

F18-39

1756

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

8370

Females

1134

F18-39

1134

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9704

Females

1756

F18-39

1756

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

10494

Females

2205

F18-39

2205

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

10313

Females

2093

F18-39

2093

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

11213

Females

2689

F18-39

2689

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

10565

Females

2571

F18-39

2571

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

10510

Females

2684

F18-39

2684

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10701

Females

2949

F18-39

2949

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9658

Females

2433

F18-39

2433

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10870

Females

3157

F18-39

3157

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8560

Females

2122

F18-39

2122

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9587

Females

2712

F18-39

2712

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9468

Females

2745

F18-39

2745

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8920

Females

2494

F18-39

2494

Passing Analysis

Category:
Athletes Passed
1249
Passed By
2667
Net Change
-1418
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8052
5K → 10K150312-162#8052#8214
10K → 15K52474-422#8214#8636
15K → 20K79475-396#8636#9032
20K → Half1679-63#9032#9095
Half → 25K82400-318#9095#9413
25K → 30K184325-141#9413#9554
30K → 20M92131-39#9554#9593
20M → 21M79103-24#9593#9617
21M → 35K6857+11#9617#9606
35K → 23M88142-54#9606#9660
23M → 24M12946+83#9660#9577
24M → 40K8550+35#9577#9542
40K → 25.2M4322+21#9542#9521
25.2M → Finish10251+51#9521#9470
TOTALS12492667-1418

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