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BOSTON MARATHON 2025

Miryam Morales Basulto

Bib: 9131•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 24%
Gender (Female)
#0 / 12228
Top 8%
Division (F18-39)
#0 / 5469
Top 15%
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
6:37/mi
20:34
↑ 97↓ 3451.5%
10K· 6.21 mi
6:49/mi
41:45
↑ 79↓ 1380.4%
15K· 9.32 mi
6:55/mi
1:03:14
↑ 67↓ 78
20K· 12.43 mi
7:09/mi
1:25:28
↑ 106↓ 860.1%
Half· 13.11 mi
6:56/mi
1:30:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:07/mi
1:47:27
↑ 66↓ 880.2%
30K· 18.64 mi
7:29/mi
2:10:42
↑ 181↓ 1480.2%
20M
7:56/mi
2:21:29
↑ 64↓ 500.2%
21M
8:54/mi
2:30:23
↑ 106↓ 241.6%
35K· 21.75 mi
7:16/mi
2:35:49
↑ 17↓ 861.7%
23M
7:30/mi
2:45:12
↑ 23↓ 630.6%
24M
7:38/mi
2:52:50
↓ 821.3%
40K· 24.85 mi
7:44/mi
2:59:27
↓ 200.3%
25.2M
8:16/mi
3:02:18
↑ 13↓ 160.2%
Finish· 26.22 mi
7:05/mi
3:09:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:12
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:39:19
Pace7:35 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:4220:346:3720:34
6:37
-
10K
6.21 mi11:06:5341:456:4321:11
6:49
+0:12
15K
9.32 mi11:28:221:03:146:4721:29
6:55
+0:06
20K
12.43 mi11:50:361:25:286:5322:14
7:09
+0:14
Half
13.11 mi11:55:201:30:126:534:44
6:56
-0:13
25K
15.53 mi12:12:351:47:276:5517:15
7:07
+0:11
30K
18.64 mi12:35:502:10:427:0123:15
7:29
+0:22
20M
20.00 mi12:46:372:21:297:0410:47
7:56
+0:27
21M
21.00 mi12:55:312:30:237:108:54
8:54
+0:58
35K
21.75 mi13:00:572:35:497:105:26
7:16
-1:38
23M
23.00 mi13:10:202:45:127:119:23
7:30
+0:14
24M
24.00 mi13:17:582:52:507:127:38
7:38
+0:08
40K
24.85 mi13:24:352:59:277:136:37
7:44
+0:06
25.2M
25.20 mi13:27:263:02:187:142:51
8:16
+0:32
Finish
26.22 mi13:34:393:09:317:147:13
7:05
-1:11

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

6:37 /mi

Average Pace

7:14 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:58

36% of race

Time at Steady Pace

1:24:46

45% of race

Time at Slower Pace

36:47

19% of race

Average Pace: 7:14 /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 mi10:45:4220:346:3720:34
6:37
#4790
10K
6.21 mi11:06:5341:456:4321:11
6:49
#5563
15K
9.32 mi11:28:221:03:146:4721:29
6:55
#6045
20K
12.43 mi11:50:361:25:286:5322:14
7:09
#6658
Half
13.11 mi11:55:201:30:126:534:44
6:56
#6686
25K
15.53 mi12:12:351:47:276:5517:15
7:07
#6706
30K
18.64 mi12:35:502:10:427:0123:15
7:29
#6745
20M
20.00 mi12:46:372:21:297:0410:47
7:56
#6864
21M
21.00 mi12:55:312:30:237:108:54
8:54
#7138
35K
21.75 mi13:00:572:35:497:105:26
7:16
#7094
23M
23.00 mi13:10:202:45:127:119:23
7:30
#6998
24M
24.00 mi13:17:582:52:507:127:38
7:38
#7021
40K
24.85 mi13:24:352:59:277:136:37
7:44
#7009
25.2M
25.20 mi13:27:263:02:187:142:51
8:16
#7003
Finish
26.22 mi13:34:393:09:317:147:13
7:05
#6919
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi47902972977068(Top 25%)751(Top 6%)751(Top 14%)
10K6.21 mi3.10 mi5563-773411-114411-1146620(Top 23%)627(Top 5%)627(Top 11%)
15K9.32 mi3.11 mi6045-482498-87498-877068(Top 25%)751(Top 6%)751(Top 14%)
20K12.43 mi3.11 mi6658-613636-138636-1387878(Top 28%)1063(Top 9%)1063(Top 19%)
Half13.11 mi0.68 mi6686-286366367203(Top 25%)827(Top 7%)827(Top 15%)
25K15.53 mi2.42 mi6706-20665-29665-297080(Top 25%)885(Top 7%)885(Top 16%)
30K18.64 mi3.11 mi6745-39713-48713-487640(Top 27%)1243(Top 10%)1243(Top 23%)
20M20.00 mi1.36 mi6864-119766-53766-5310014(Top 35%)2430(Top 20%)2430(Top 44%)
21M21.00 mi1.00 mi7138-274875-109875-10912925(Top 46%)4068(Top 33%)4068(Top 74%)
35K21.75 mi0.75 mi7094+44880-5880-57009(Top 25%)1282(Top 10%)1282(Top 23%)
23M23.00 mi1.25 mi6998+96885-5885-56604(Top 23%)1225(Top 10%)1225(Top 22%)
24M24.00 mi1.00 mi7021-23927-42927-428662(Top 30%)2157(Top 18%)2157(Top 39%)
40K24.85 mi0.85 mi7009+12950-23950-238361(Top 29%)2144(Top 18%)2144(Top 39%)
25.2M25.20 mi0.35 mi7003+6958-8958-87483(Top 26%)1823(Top 15%)1823(Top 33%)
Finish26.22 mi1.02 mi6919+84960-2960-26279(Top 22%)1345(Top 11%)1345(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

7068

Females

751

F18-39

751

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

6620

Females

627

F18-39

627

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

7068

Females

751

F18-39

751

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7878

Females

1063

F18-39

1063

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7203

Females

827

F18-39

827

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

7080

Females

885

F18-39

885

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7640

Females

1243

F18-39

1243

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

10014

Females

2430

F18-39

2430

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12925

Females

4068

F18-39

4068

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

7009

Females

1282

F18-39

1282

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

6604

Females

1225

F18-39

1225

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8662

Females

2157

F18-39

2157

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8361

Females

2144

F18-39

2144

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7483

Females

1823

F18-39

1823

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

6279

Females

1345

F18-39

1345

Passing Analysis

Category:
Athletes Passed
966
Passed By
3095
Net Change
-2129
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4790
5K → 10K21794-773#4790#5563
10K → 15K44526-482#5563#6045
15K → 20K41654-613#6045#6658
20K → Half1846-28#6658#6686
Half → 25K121141-20#6686#6706
25K → 30K160199-39#6706#6745
30K → 20M58177-119#6745#6864
20M → 21M35309-274#6864#7138
21M → 35K7127+44#7138#7094
35K → 23M13135+96#7094#6998
23M → 24M5982-23#6998#7021
24M → 40K6654+12#7021#7009
40K → 25.2M3024+6#7009#7003
25.2M → Finish11127+84#7003#6919
TOTALS9663095-2129
📊

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