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BOSTON MARATHON 2025

Alyssa Culp

Bib: 10483•F

ON

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 27%
Gender (Female)
#0 / 12228
Top 10%
Division (F18-39)
#0 / 5469
Top 19%
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
7:21/mi
22:49
↑ 97↓ 3451.5%
10K· 6.21 mi
7:09/mi
45:03
↑ 79↓ 1380.4%
15K· 9.32 mi
7:11/mi
1:07:21
↑ 67↓ 78
20K· 12.43 mi
7:17/mi
1:30:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:34:52
↑ 19↓ 370.5%
25K· 15.53 mi
7:23/mi
1:52:45
↑ 66↓ 880.2%
30K· 18.64 mi
7:34/mi
2:16:14
↑ 181↓ 1480.2%
20M
7:29/mi
2:26:24
↑ 64↓ 500.2%
21M
7:57/mi
2:34:21
↑ 106↓ 241.6%
35K· 21.75 mi
7:08/mi
2:39:41
↑ 17↓ 861.7%
23M
7:19/mi
2:48:51
↑ 23↓ 630.6%
24M
7:13/mi
2:56:04
↓ 821.3%
40K· 24.85 mi
7:23/mi
3:02:23
↓ 200.3%
25.2M
8:04/mi
3:05:10
↑ 13↓ 160.2%
Finish· 26.22 mi
7:02/mi
3:12:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:52
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:37:28
Pace7:26 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1622:497:2122:49
7:21
-
10K
6.21 mi11:12:3045:037:1522:14
7:09
-0:12
15K
9.32 mi11:34:481:07:217:1422:18
7:11
+0:02
20K
12.43 mi11:57:271:30:007:1522:39
7:17
+0:06
Half
13.11 mi12:02:191:34:527:144:52
7:08
-0:09
25K
15.53 mi12:20:121:52:457:1517:53
7:23
+0:15
30K
18.64 mi12:43:412:16:147:1823:29
7:34
+0:11
20M
20.00 mi12:53:512:26:247:1910:10
7:29
-0:05
21M
21.00 mi13:01:482:34:217:217:57
7:57
+0:28
35K
21.75 mi13:07:082:39:417:215:20
7:08
-0:49
23M
23.00 mi13:16:182:48:517:209:10
7:19
+0:11
24M
24.00 mi13:23:312:56:047:207:13
7:13
-0:06
40K
24.85 mi13:29:503:02:237:206:19
7:23
+0:10
25.2M
25.20 mi13:32:373:05:107:212:47
8:04
+0:41
Finish
26.22 mi13:39:473:12:207:207:10
7:02
-1:02

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

7:20 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:36

94% of race

Time at Steady Pace

10:44

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:20 /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 mi10:50:1622:497:2122:49
7:21
#10808
10K
6.21 mi11:12:3045:037:1522:14
7:09
#9885
15K
9.32 mi11:34:481:07:217:1422:18
7:11
#9552
20K
12.43 mi11:57:271:30:007:1522:39
7:17
#9357
Half
13.11 mi12:02:191:34:527:144:52
7:08
#9315
25K
15.53 mi12:20:121:52:457:1517:53
7:23
#9209
30K
18.64 mi12:43:412:16:147:1823:29
7:34
#8909
20M
20.00 mi12:53:512:26:247:1910:10
7:29
#8704
21M
21.00 mi13:01:482:34:217:217:57
7:57
#8555
35K
21.75 mi13:07:082:39:417:215:20
7:08
#8408
23M
23.00 mi13:16:182:48:517:209:10
7:19
#8155
24M
24.00 mi13:23:312:56:047:207:13
7:13
#8003
40K
24.85 mi13:29:503:02:237:206:19
7:23
#7878
25.2M
25.20 mi13:32:373:05:107:212:47
8:04
#7821
Finish
26.22 mi13:39:473:12:207:207:10
7:02
#7703
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10808218621868945(Top 31%)1404(Top 11%)1404(Top 26%)
10K6.21 mi3.10 mi9885+9231748+4381748+4389136(Top 32%)1431(Top 12%)1431(Top 26%)
15K9.32 mi3.11 mi9552+3331626+1221626+1228945(Top 31%)1404(Top 11%)1404(Top 26%)
20K12.43 mi3.11 mi9357+1951574+521574+528985(Top 32%)1512(Top 12%)1512(Top 28%)
Half13.11 mi0.68 mi9315+421559+151559+158603(Top 30%)1324(Top 11%)1324(Top 24%)
25K15.53 mi2.42 mi9209+1061544+151544+158967(Top 32%)1618(Top 13%)1618(Top 30%)
30K18.64 mi3.11 mi8909+3001473+711473+718148(Top 29%)1454(Top 12%)1454(Top 27%)
20M20.00 mi1.36 mi8704+2051421+521421+526904(Top 24%)1115(Top 9%)1115(Top 20%)
21M21.00 mi1.00 mi8555+1491388+331388+337100(Top 25%)1344(Top 11%)1344(Top 25%)
35K21.75 mi0.75 mi8408+1471359+291359+296204(Top 22%)994(Top 8%)994(Top 18%)
23M23.00 mi1.25 mi8155+2531298+611298+615603(Top 20%)856(Top 7%)856(Top 16%)
24M24.00 mi1.00 mi8003+1521285+131285+135956(Top 21%)1057(Top 9%)1057(Top 19%)
40K24.85 mi0.85 mi7878+1251261+241261+246164(Top 22%)1204(Top 10%)1204(Top 22%)
25.2M25.20 mi0.35 mi7821+571256+51256+56382(Top 22%)1385(Top 11%)1385(Top 25%)
Finish26.22 mi1.02 mi7703+1181239+171239+175978(Top 21%)1241(Top 10%)1241(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8945

Females

1404

F18-39

1404

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

9136

Females

1431

F18-39

1431

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8945

Females

1404

F18-39

1404

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8985

Females

1512

F18-39

1512

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8603

Females

1324

F18-39

1324

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8967

Females

1618

F18-39

1618

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8148

Females

1454

F18-39

1454

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6904

Females

1115

F18-39

1115

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

7100

Females

1344

F18-39

1344

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

6204

Females

994

F18-39

994

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5603

Females

856

F18-39

856

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5956

Females

1057

F18-39

1057

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6164

Females

1204

F18-39

1204

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6382

Females

1385

F18-39

1385

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5978

Females

1241

F18-39

1241

Passing Analysis

Category:
Athletes Passed
3534*
Passed By
429
Net Change
+3105
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10808
5K → 10K950*27+923#10808#9885
10K → 15K37946+333#9885#9552
15K → 20K27176+195#9552#9357
20K → Half486+42#9357#9315
Half → 25K20195+106#9315#9209
25K → 30K38383+300#9209#8909
30K → 20M21712+205#8909#8704
20M → 21M17526+149#8704#8555
21M → 35K1536+147#8555#8408
35K → 23M2596+253#8408#8155
23M → 24M1619+152#8155#8003
24M → 40K13712+125#8003#7878
40K → 25.2M7013+57#7878#7821
25.2M → Finish13012+118#7821#7703
TOTALS3534*429+3105

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

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