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BOSTON MARATHON 2025

Sofia Natividad

Bib: 10382•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 25%
Gender (Female)
#0 / 12228
Top 8%
Division (F18-39)
#0 / 5469
Top 16%
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
6:49/mi
21:11
↑ 97↓ 3451.5%
10K· 6.21 mi
6:47/mi
42:16
↑ 79↓ 1380.4%
15K· 9.32 mi
6:58/mi
1:03:54
↑ 67↓ 78
20K· 12.43 mi
7:00/mi
1:25:39
↑ 106↓ 860.1%
Half· 13.11 mi
6:59/mi
1:30:25
↑ 19↓ 370.5%
25K· 15.53 mi
7:33/mi
1:48:44
↑ 66↓ 880.2%
30K· 18.64 mi
7:49/mi
2:13:01
↑ 181↓ 1480.2%
20M
7:32/mi
2:23:15
↑ 64↓ 500.2%
21M
7:46/mi
2:31:01
↑ 106↓ 241.6%
35K· 21.75 mi
7:17/mi
2:36:28
↑ 17↓ 861.7%
23M
7:39/mi
2:46:03
↑ 23↓ 630.6%
24M
7:34/mi
2:53:37
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:00:05
↓ 200.3%
25.2M
8:07/mi
3:02:53
↑ 13↓ 160.2%
Finish· 26.22 mi
7:10/mi
3:10:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:25
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:39:46
Pace7:37 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3821:116:4921:11
6:49
-
10K
6.21 mi11:08:4342:166:4821:05
6:47
-0:02
15K
9.32 mi11:30:211:03:546:5121:38
6:58
+0:11
20K
12.43 mi11:52:061:25:396:5421:45
7:00
+0:02
Half
13.11 mi11:56:521:30:256:544:46
6:59
-0:01
25K
15.53 mi12:15:111:48:447:0018:19
7:33
+0:34
30K
18.64 mi12:39:282:13:017:0824:17
7:49
+0:16
20M
20.00 mi12:49:422:23:157:1010:14
7:32
-0:17
21M
21.00 mi12:57:282:31:017:117:46
7:46
+0:14
35K
21.75 mi13:02:552:36:287:125:27
7:17
-0:29
23M
23.00 mi13:12:302:46:037:139:35
7:39
+0:22
24M
24.00 mi13:20:042:53:377:147:34
7:34
-0:05
40K
24.85 mi13:26:323:00:057:156:28
7:34
0:00
25.2M
25.20 mi13:29:203:02:537:152:48
8:07
+0:33
Finish
26.22 mi13:36:383:10:117:167:18
7:10
-0:57

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

6:47 /mi

Average Pace

7:16 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:10

54% of race

Time at Steady Pace

1:24:13

44% of race

Time at Slower Pace

2:48

1% of race

Average Pace: 7:15 /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 mi10:47:3821:116:4921:11
6:49
#6480
10K
6.21 mi11:08:4342:166:4821:05
6:47
#6330
15K
9.32 mi11:30:211:03:546:5121:38
6:58
#6726
20K
12.43 mi11:52:061:25:396:5421:45
7:00
#6771
Half
13.11 mi11:56:521:30:256:544:46
6:59
#6813
25K
15.53 mi12:15:111:48:447:0018:19
7:33
#7268
30K
18.64 mi12:39:282:13:017:0824:17
7:49
#7580
20M
20.00 mi12:49:422:23:157:1010:14
7:32
#7477
21M
21.00 mi12:57:282:31:017:117:46
7:46
#7329
35K
21.75 mi13:02:552:36:287:125:27
7:17
#7282
23M
23.00 mi13:12:302:46:037:139:35
7:39
#7234
24M
24.00 mi13:20:042:53:377:147:34
7:34
#7230
40K
24.85 mi13:26:323:00:057:156:28
7:34
#7186
25.2M
25.20 mi13:29:203:02:537:152:48
8:07
#7159
Finish
26.22 mi13:36:383:10:117:167:18
7:10
#7114
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi64805685687406(Top 26%)843(Top 7%)843(Top 15%)
10K6.21 mi3.10 mi6330+150533+35533+356270(Top 22%)560(Top 5%)560(Top 10%)
15K9.32 mi3.11 mi6726-396647-114647-1147406(Top 26%)843(Top 7%)843(Top 15%)
20K12.43 mi3.11 mi6771-45651-4651-46878(Top 24%)750(Top 6%)750(Top 14%)
Half13.11 mi0.68 mi6813-42664-13664-137563(Top 27%)932(Top 8%)932(Top 17%)
25K15.53 mi2.42 mi7268-455806-142806-14210405(Top 37%)2281(Top 19%)2281(Top 42%)
30K18.64 mi3.11 mi7580-312944-138944-13810080(Top 35%)2321(Top 19%)2321(Top 42%)
20M20.00 mi1.36 mi7477+103950-6950-67226(Top 25%)1228(Top 10%)1228(Top 22%)
21M21.00 mi1.00 mi7329+148928+22928+226023(Top 21%)931(Top 8%)931(Top 17%)
35K21.75 mi0.75 mi7282+47943-15943-157164(Top 25%)1341(Top 11%)1341(Top 25%)
23M23.00 mi1.25 mi7234+48968-25968-257622(Top 27%)1656(Top 14%)1656(Top 30%)
24M24.00 mi1.00 mi7230+4997-29997-298173(Top 29%)1927(Top 16%)1927(Top 35%)
40K24.85 mi0.85 mi7186+441010-131010-137195(Top 25%)1625(Top 13%)1625(Top 30%)
25.2M25.20 mi0.35 mi7159+271015-51015-56647(Top 23%)1475(Top 12%)1475(Top 27%)
Finish26.22 mi1.02 mi7114+451022-71022-76832(Top 24%)1577(Top 13%)1577(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

7406

Females

843

F18-39

843

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

6270

Females

560

F18-39

560

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

7406

Females

843

F18-39

843

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6878

Females

750

F18-39

750

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7563

Females

932

F18-39

932

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

10405

Females

2281

F18-39

2281

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

10080

Females

2321

F18-39

2321

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

7226

Females

1228

F18-39

1228

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

6023

Females

931

F18-39

931

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

7164

Females

1341

F18-39

1341

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7622

Females

1656

F18-39

1656

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

8173

Females

1927

F18-39

1927

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7195

Females

1625

F18-39

1625

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6647

Females

1475

F18-39

1475

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6832

Females

1577

F18-39

1577

Passing Analysis

Category:
Athletes Passed
1370
Passed By
2004
Net Change
-634
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6480
5K → 10K266116+150#6480#6330
10K → 15K56452-396#6330#6726
15K → 20K111156-45#6726#6771
20K → Half1355-42#6771#6813
Half → 25K41496-455#6813#7268
25K → 30K106418-312#7268#7580
30K → 20M14946+103#7580#7477
20M → 21M16214+148#7477#7329
21M → 35K7124+47#7329#7282
35K → 23M11466+48#7282#7234
23M → 24M8278+4#7234#7230
24M → 40K7329+44#7230#7186
40K → 25.2M4215+27#7186#7159
25.2M → Finish8439+45#7159#7114
TOTALS13702004-634
📊

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