Boston Marathon logo
BOSTON MARATHON 2025

Marisa Debboli-Cop

Bib: 19884•F

CT

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 44%
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
8:14/mi
25:35
↑ 97↓ 3451.5%
10K· 6.21 mi
8:10/mi
50:57
↑ 79↓ 1380.4%
15K· 9.32 mi
8:07/mi
1:16:09
↑ 67↓ 78
20K· 12.43 mi
8:05/mi
1:41:16
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:46:46
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:06:30
↑ 66↓ 880.2%
30K· 18.64 mi
8:27/mi
2:32:44
↑ 181↓ 1480.2%
20M
8:34/mi
2:44:23
↑ 64↓ 500.2%
21M
9:40/mi
2:54:03
↑ 106↓ 241.6%
35K· 21.75 mi
8:25/mi
3:00:21
↑ 17↓ 861.7%
23M
9:13/mi
3:11:53
↑ 23↓ 630.6%
24M
8:50/mi
3:20:43
↓ 821.3%
40K· 24.85 mi
9:00/mi
3:28:25
↓ 200.3%
25.2M
9:46/mi
3:31:47
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
3:40:24
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:46
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:53:38
Pace8:40 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0025:358:1425:35
8:14
-
10K
6.21 mi11:43:2250:578:1225:22
8:10
-0:04
15K
9.32 mi12:08:341:16:098:1025:12
8:07
-0:03
20K
12.43 mi12:33:411:41:168:0925:07
8:05
-0:02
Half
13.11 mi12:39:111:46:468:095:30
8:04
-0:01
25K
15.53 mi12:58:552:06:308:0919:44
8:08
+0:04
30K
18.64 mi13:25:092:32:448:1226:14
8:27
+0:19
20M
20.00 mi13:36:482:44:238:1311:39
8:34
+0:07
21M
21.00 mi13:46:282:54:038:179:40
9:40
+1:06
35K
21.75 mi13:52:463:00:218:186:18
8:25
-1:15
23M
23.00 mi14:04:183:11:538:2111:32
9:13
+0:48
24M
24.00 mi14:13:083:20:438:228:50
8:50
-0:23
40K
24.85 mi14:20:503:28:258:237:42
9:00
+0:10
25.2M
25.20 mi14:24:123:31:478:243:22
9:46
+0:46
Finish
26.22 mi14:32:493:40:248:258:37
8:27
-1:19

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

8:04 /mi

Average Pace

8:25 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:55

46% of race

Time at Steady Pace

1:18:23

36% of race

Time at Slower Pace

41:06

19% of race

Average Pace: 8:24 /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 mi11:18:0025:358:1425:35
8:14
#18326
10K
6.21 mi11:43:2250:578:1225:22
8:10
#17981
15K
9.32 mi12:08:341:16:098:1025:12
8:07
#17561
20K
12.43 mi12:33:411:41:168:0925:07
8:05
#17026
Half
13.11 mi12:39:111:46:468:095:30
8:04
#16986
25K
15.53 mi12:58:552:06:308:0919:44
8:08
#16593
30K
18.64 mi13:25:092:32:448:1226:14
8:27
#16174
20M
20.00 mi13:36:482:44:238:1311:39
8:34
#15998
21M
21.00 mi13:46:282:54:038:179:40
9:40
#16009
35K
21.75 mi13:52:463:00:218:186:18
8:25
#15930
23M
23.00 mi14:04:183:11:538:2111:32
9:13
#15976
24M
24.00 mi14:13:083:20:438:228:50
8:50
#15991
40K
24.85 mi14:20:503:28:258:237:42
9:00
#15977
25.2M
25.20 mi14:24:123:31:478:243:22
9:46
#15982
Finish
26.22 mi14:32:493:40:248:258:37
8:27
#15971
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi183266536653616822(Top 59%)5625(Top 46%)5625(Top 103%)
10K6.21 mi3.10 mi17981+3456313+2236313+22317662(Top 62%)6094(Top 50%)6094(Top 111%)
15K9.32 mi3.11 mi17561+4206048+2656048+26516822(Top 59%)5625(Top 46%)5625(Top 103%)
20K12.43 mi3.11 mi17026+5355755+2935755+29315552(Top 55%)4944(Top 40%)4944(Top 90%)
Half13.11 mi0.68 mi16986+405739+165739+1616422(Top 58%)5427(Top 44%)5427(Top 99%)
25K15.53 mi2.42 mi16593+3935520+2195520+21914919(Top 53%)4707(Top 38%)4707(Top 86%)
30K18.64 mi3.11 mi16174+4195325+1955325+19514431(Top 51%)4598(Top 38%)4598(Top 84%)
20M20.00 mi1.36 mi15998+1765268+575268+5714290(Top 50%)4664(Top 38%)4664(Top 85%)
21M21.00 mi1.00 mi16009-115306-385306-3816883(Top 59%)6193(Top 51%)6193(Top 113%)
35K21.75 mi0.75 mi15930+795283+235283+2315028(Top 53%)5245(Top 43%)5245(Top 96%)
23M23.00 mi1.25 mi15976-465354-715354-7117390(Top 61%)6653(Top 54%)6653(Top 122%)
24M24.00 mi1.00 mi15991-155380-265380-2616509(Top 58%)6207(Top 51%)6207(Top 113%)
40K24.85 mi0.85 mi15977+145391-115391-1116352(Top 58%)6229(Top 51%)6229(Top 114%)
25.2M25.20 mi0.35 mi15982-55410-195410-1915955(Top 56%)6060(Top 50%)6060(Top 111%)
Finish26.22 mi1.02 mi15971+115415-55415-515956(Top 56%)5994(Top 49%)5994(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

16822

Females

5625

F18-39

5625

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

17662

Females

6094

F18-39

6094

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

16822

Females

5625

F18-39

5625

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

15552

Females

4944

F18-39

4944

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16422

Females

5427

F18-39

5427

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14919

Females

4707

F18-39

4707

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14431

Females

4598

F18-39

4598

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

14290

Females

4664

F18-39

4664

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16883

Females

6193

F18-39

6193

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

15028

Females

5245

F18-39

5245

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17390

Females

6653

F18-39

6653

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

16509

Females

6207

F18-39

6207

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16352

Females

6229

F18-39

6229

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15955

Females

6060

F18-39

6060

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

15956

Females

5994

F18-39

5994

Passing Analysis

Category:
Athletes Passed
3173
Passed By
818
Net Change
+2355
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18326
5K → 10K482137+345#18326#17981
10K → 15K46141+420#17981#17561
15K → 20K54611+535#17561#17026
20K → Half6020+40#17026#16986
Half → 25K4018+393#16986#16593
25K → 30K46546+419#16593#16174
30K → 20M20933+176#16174#15998
20M → 21M107118-11#15998#16009
21M → 35K10829+79#16009#15930
35K → 23M95141-46#15930#15976
23M → 24M5873-15#15976#15991
24M → 40K7965+14#15991#15977
40K → 25.2M3237-5#15977#15982
25.2M → Finish7059+11#15982#15971
TOTALS3173818+2355
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing