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BOSTON MARATHON 2025

Constanza Del Puerto

Bib: 10211•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 18%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 7%
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
6:54/mi
21:27
↑ 97↓ 3451.5%
10K· 6.21 mi
6:56/mi
43:00
↑ 79↓ 1380.4%
15K· 9.32 mi
6:58/mi
1:04:38
↑ 67↓ 78
20K· 12.43 mi
7:02/mi
1:26:30
↑ 106↓ 860.1%
Half· 13.11 mi
6:53/mi
1:31:12
↑ 19↓ 370.5%
25K· 15.53 mi
6:58/mi
1:48:06
↑ 66↓ 880.2%
30K· 18.64 mi
7:07/mi
2:10:12
↑ 181↓ 1480.2%
20M
7:01/mi
2:19:44
↑ 64↓ 500.2%
21M
7:17/mi
2:27:01
↑ 106↓ 241.6%
35K· 21.75 mi
6:32/mi
2:31:54
↑ 17↓ 861.7%
23M
6:54/mi
2:40:32
↑ 23↓ 630.6%
24M
6:40/mi
2:47:12
↓ 821.3%
40K· 24.85 mi
6:51/mi
2:53:03
↓ 200.3%
25.2M
7:32/mi
2:55:39
↑ 13↓ 160.2%
Finish· 26.22 mi
6:34/mi
3:02:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:31:12
Pace6:57 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:31:08
Pace6:57 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1521:276:5421:27
6:54
-
10K
6.21 mi11:08:4843:006:5521:33
6:56
+0:02
15K
9.32 mi11:30:261:04:386:5621:38
6:58
+0:02
20K
12.43 mi11:52:181:26:306:5821:52
7:02
+0:04
Half
13.11 mi11:57:001:31:126:574:42
6:53
-0:09
25K
15.53 mi12:13:541:48:066:5816:54
6:58
+0:05
30K
18.64 mi12:36:002:10:126:5922:06
7:07
+0:09
20M
20.00 mi12:45:322:19:446:599:32
7:01
-0:06
21M
21.00 mi12:52:492:27:017:007:17
7:17
+0:16
35K
21.75 mi12:57:422:31:546:594:53
6:32
-0:45
23M
23.00 mi13:06:202:40:326:598:38
6:54
+0:22
24M
24.00 mi13:13:002:47:126:586:40
6:40
-0:14
40K
24.85 mi13:18:512:53:036:585:51
6:51
+0:11
25.2M
25.20 mi13:21:272:55:396:582:36
7:32
+0:41
Finish
26.22 mi13:28:083:02:206:586:41
6:34
-0:58

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

6:32 /mi

Average Pace

6:58 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:27

95% of race

Time at Steady Pace

9:53

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:57 /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 mi10:47:1521:276:5421:27
6:54
#7119
10K
6.21 mi11:08:4843:006:5521:33
6:56
#7303
15K
9.32 mi11:30:261:04:386:5621:38
6:58
#7340
20K
12.43 mi11:52:181:26:306:5821:52
7:02
#7245
Half
13.11 mi11:57:001:31:126:574:42
6:53
#7221
25K
15.53 mi12:13:541:48:066:5816:54
6:58
#6995
30K
18.64 mi12:36:002:10:126:5922:06
7:07
#6565
20M
20.00 mi12:45:322:19:446:599:32
7:01
#6308
21M
21.00 mi12:52:492:27:017:007:17
7:17
#6105
35K
21.75 mi12:57:422:31:546:594:53
6:32
#5930
23M
23.00 mi13:06:202:40:326:598:38
6:54
#5682
24M
24.00 mi13:13:002:47:126:586:40
6:40
#5497
40K
24.85 mi13:18:512:53:036:585:51
6:51
#5369
25.2M
25.20 mi13:21:272:55:396:582:36
7:32
#5309
Finish
26.22 mi13:28:083:02:206:586:41
6:34
#5183
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi71197097097396(Top 26%)833(Top 7%)833(Top 15%)
10K6.21 mi3.10 mi7303-184771-62771-627525(Top 26%)845(Top 7%)845(Top 15%)
15K9.32 mi3.11 mi7340-37789-18789-187396(Top 26%)833(Top 7%)833(Top 15%)
20K12.43 mi3.11 mi7245+95778+11778+117116(Top 25%)805(Top 7%)805(Top 15%)
Half13.11 mi0.68 mi7221+24774+4774+46864(Top 24%)722(Top 6%)722(Top 13%)
25K15.53 mi2.42 mi6995+226724+50724+506132(Top 22%)615(Top 5%)615(Top 11%)
30K18.64 mi3.11 mi6565+430663+61663+615400(Top 19%)529(Top 4%)529(Top 10%)
20M20.00 mi1.36 mi6308+257627+36627+364225(Top 15%)358(Top 3%)358(Top 7%)
21M21.00 mi1.00 mi6105+203607+20607+203581(Top 13%)297(Top 2%)297(Top 5%)
35K21.75 mi0.75 mi5930+175573+34573+342664(Top 9%)189(Top 2%)189(Top 3%)
23M23.00 mi1.25 mi5682+248536+37536+373213(Top 11%)278(Top 2%)278(Top 5%)
24M24.00 mi1.00 mi5497+185506+30506+302854(Top 10%)247(Top 2%)247(Top 5%)
40K24.85 mi0.85 mi5369+128489+17489+173103(Top 11%)310(Top 3%)310(Top 6%)
25.2M25.20 mi0.35 mi5309+60484+5484+53669(Top 13%)471(Top 4%)471(Top 9%)
Finish26.22 mi1.02 mi5183+126470+14470+143140(Top 11%)344(Top 3%)344(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

7396

Females

833

F18-39

833

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

7525

Females

845

F18-39

845

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

7396

Females

833

F18-39

833

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

7116

Females

805

F18-39

805

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6864

Females

722

F18-39

722

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

6132

Females

615

F18-39

615

25K→30K

15.5 - 18.6 mi

Top 19%
×9story building
+181ft-148ft

Overall

5400

Females

529

F18-39

529

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

4225

Females

358

F18-39

358

20M→21M

20.0 - 21.0 mi

Top 13%
×8story building
+106ft-24ft

Overall

3581

Females

297

F18-39

297

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2664

Females

189

F18-39

189

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

3213

Females

278

F18-39

278

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2854

Females

247

F18-39

247

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3103

Females

310

F18-39

310

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3669

Females

471

F18-39

471

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

3140

Females

344

F18-39

344

Passing Analysis

Category:
Athletes Passed
2547
Passed By
611
Net Change
+1936
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7119
5K → 10K130314-184#7119#7303
10K → 15K125162-37#7303#7340
15K → 20K17479+95#7340#7245
20K → Half273+24#7245#7221
Half → 25K24418+226#7221#6995
25K → 30K45424+430#6995#6565
30K → 20M2581+257#6565#6308
20M → 21M2041+203#6308#6105
21M → 35K1750+175#6105#5930
35K → 23M2480+248#5930#5682
23M → 24M1872+185#5682#5497
24M → 40K1291+128#5497#5369
40K → 25.2M633+60#5369#5309
25.2M → Finish1293+126#5309#5183
TOTALS2547611+1936
📊

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