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BOSTON MARATHON 2025

Amy Natalini

Bib: 8995•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Female)
#0 / 12228
Top 13%
Masters (Masters Women)
#0 / 6759
Top 4%
Division (F40-44)
#0 / 1718
Top 10%
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
7:16/mi
22:36
↑ 97↓ 3451.5%
10K· 6.21 mi
7:17/mi
45:13
↑ 79↓ 1380.4%
15K· 9.32 mi
7:16/mi
1:07:47
↑ 67↓ 78
20K· 12.43 mi
7:20/mi
1:30:34
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:35:46
↑ 19↓ 370.5%
25K· 15.53 mi
7:22/mi
1:53:38
↑ 66↓ 880.2%
30K· 18.64 mi
7:35/mi
2:17:13
↑ 181↓ 1480.2%
20M
7:33/mi
2:27:29
↑ 64↓ 500.2%
21M
8:08/mi
2:35:37
↑ 106↓ 241.6%
35K· 21.75 mi
7:20/mi
2:41:06
↑ 17↓ 861.7%
23M
7:35/mi
2:50:36
↑ 23↓ 630.6%
24M
7:23/mi
2:57:59
↓ 821.3%
40K· 24.85 mi
7:33/mi
3:04:26
↓ 200.3%
25.2M
8:33/mi
3:07:23
↑ 13↓ 160.2%
Finish· 26.22 mi
7:31/mi
3:15:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:46
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:39:17
Pace7:34 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2022:367:1622:36
7:16
-
10K
6.21 mi11:10:5745:137:1722:37
7:17
+0:01
15K
9.32 mi11:33:311:07:477:1622:34
7:16
-0:01
20K
12.43 mi11:56:181:30:347:1722:47
7:20
+0:04
Half
13.11 mi12:01:301:35:467:185:12
7:37
+0:17
25K
15.53 mi12:19:221:53:387:1917:52
7:22
-0:15
30K
18.64 mi12:42:572:17:137:2223:35
7:35
+0:13
20M
20.00 mi12:53:132:27:297:2210:16
7:33
-0:02
21M
21.00 mi13:01:212:35:377:258:08
8:08
+0:35
35K
21.75 mi13:06:502:41:067:245:29
7:20
-0:48
23M
23.00 mi13:16:202:50:367:259:30
7:35
+0:15
24M
24.00 mi13:23:432:57:597:257:23
7:23
-0:12
40K
24.85 mi13:30:103:04:267:256:27
7:33
+0:10
25.2M
25.20 mi13:33:073:07:237:262:57
8:33
+1:00
Finish
26.22 mi13:40:473:15:037:277:40
7:31
-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

7:16 /mi

Average Pace

7:27 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:58

94% of race

Time at Steady Pace

11:05

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi10:48:2022:367:1622:36
7:16
#10110
10K
6.21 mi11:10:5745:137:1722:37
7:17
#10157
15K
9.32 mi11:33:311:07:477:1622:34
7:16
#9971
20K
12.43 mi11:56:181:30:347:1722:47
7:20
#9766
Half
13.11 mi12:01:301:35:467:185:12
7:37
#9925
25K
15.53 mi12:19:221:53:387:1917:52
7:22
#9702
30K
18.64 mi12:42:572:17:137:2223:35
7:35
#9381
20M
20.00 mi12:53:132:27:297:2210:16
7:33
#9182
21M
21.00 mi13:01:212:35:377:258:08
8:08
#9074
35K
21.75 mi13:06:502:41:067:245:29
7:20
#8983
23M
23.00 mi13:16:202:50:367:259:30
7:35
#8786
24M
24.00 mi13:23:432:57:597:257:23
7:23
#8668
40K
24.85 mi13:30:103:04:267:256:27
7:33
#8549
25.2M
25.20 mi13:33:073:07:237:262:57
8:33
#8533
Finish
26.22 mi13:40:473:15:037:277:40
7:31
#8567
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi10110185418549697(Top 34%)1749(Top 14%)1749(Top 102%)
10K6.21 mi3.10 mi10157-471885-311885-3110195(Top 36%)1907(Top 16%)1907(Top 111%)
15K9.32 mi3.11 mi9971+1861831+541831+549697(Top 34%)1749(Top 14%)1749(Top 102%)
20K12.43 mi3.11 mi9766+2051759+721759+729324(Top 33%)1655(Top 14%)1655(Top 96%)
Half13.11 mi0.68 mi9925-1591831-721831-7212762(Top 45%)3341(Top 27%)3341(Top 194%)
25K15.53 mi2.42 mi9702+2231765+661765+668919(Top 31%)1603(Top 13%)1603(Top 93%)
30K18.64 mi3.11 mi9381+3211672+931672+938388(Top 30%)1547(Top 13%)1547(Top 90%)
20M20.00 mi1.36 mi9182+1991617+551617+557416(Top 26%)1311(Top 11%)1311(Top 76%)
21M21.00 mi1.00 mi9074+1081606+111606+118183(Top 29%)1798(Top 15%)1798(Top 105%)
35K21.75 mi0.75 mi8983+911589+171589+177454(Top 26%)1476(Top 12%)1476(Top 86%)
23M23.00 mi1.25 mi8786+1971549+401549+407190(Top 25%)1481(Top 12%)1481(Top 86%)
24M24.00 mi1.00 mi8668+1181535+141535+146973(Top 25%)1443(Top 12%)1443(Top 84%)
40K24.85 mi0.85 mi8549+1191525+101525+107086(Top 25%)1588(Top 13%)1588(Top 92%)
25.2M25.20 mi0.35 mi8533+161537-121537-129138(Top 32%)2575(Top 21%)2575(Top 150%)
Finish26.22 mi1.02 mi8567-341573-361573-369370(Top 33%)2698(Top 22%)2698(Top 157%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9697

Females

1749

F40-44

1749

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10195

Females

1907

F40-44

1907

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9697

Females

1749

F40-44

1749

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

9324

Females

1655

F40-44

1655

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12762

Females

3341

F40-44

3341

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8919

Females

1603

F40-44

1603

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8388

Females

1547

F40-44

1547

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

7416

Females

1311

F40-44

1311

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

8183

Females

1798

F40-44

1798

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

7454

Females

1476

F40-44

1476

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

7190

Females

1481

F40-44

1481

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

6973

Females

1443

F40-44

1443

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7086

Females

1588

F40-44

1588

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9138

Females

2575

F40-44

2575

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

9370

Females

2698

F40-44

2698

Passing Analysis

Category:
Athletes Passed
2510*
Passed By
966
Net Change
+1543
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10110
5K → 10K204250-47#10110#10157
10K → 15K280*94+186#10157#9971
15K → 20K28277+205#9971#9766
20K → Half5164-159#9766#9925
Half → 25K26744+223#9925#9702
25K → 30K38867+321#9702#9381
30K → 20M21415+199#9381#9182
20M → 21M15345+108#9182#9074
21M → 35K10918+91#9074#8983
35K → 23M21821+197#8983#8786
23M → 24M13719+118#8786#8668
24M → 40K14829+119#8668#8549
40K → 25.2M4226+16#8549#8533
25.2M → Finish6397-34#8533#8567
TOTALS2510*966+1543

* 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