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BOSTON MARATHON 2025

Natalia Rosero

Bib: 31610•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
11:43/mi
36:23
↑ 97↓ 3451.5%
10K· 6.21 mi
12:35/mi
1:15:29
↑ 79↓ 1380.4%
15K· 9.32 mi
13:03/mi
1:56:03
↑ 67↓ 78
20K· 12.43 mi
13:47/mi
2:38:53
↑ 106↓ 860.1%
Half· 13.11 mi
13:22/mi
2:48:00
↑ 19↓ 370.5%
25K· 15.53 mi
14:21/mi
3:22:48
↑ 66↓ 880.2%
30K· 18.64 mi
15:13/mi
4:10:06
↑ 181↓ 1480.2%
20M
15:45/mi
4:31:30
↑ 64↓ 500.2%
21M
15:36/mi
4:47:06
↑ 106↓ 241.6%
35K· 21.75 mi
13:34/mi
4:57:15
↑ 17↓ 861.7%
23M
14:02/mi
5:14:49
↑ 23↓ 630.6%
24M
12:56/mi
5:27:45
↓ 821.3%
40K· 24.85 mi
13:33/mi
5:39:20
↓ 200.3%
25.2M
15:22/mi
5:44:38
↑ 13↓ 160.2%
Finish· 26.22 mi
12:41/mi
5:57:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:48:00
Pace12:49 /mi
2nd Half
Distance13.11 mi
Time3:09:33
Pace14:28 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:0636:2311:4336:23
11:43
-
10K
6.21 mi12:31:121:15:2912:0939:06
12:35
+0:52
15K
9.32 mi13:11:461:56:0312:2740:34
13:03
+0:28
20K
12.43 mi13:54:362:38:5312:4742:50
13:47
+0:44
Half
13.11 mi14:03:432:48:0012:499:07
13:22
-0:25
25K
15.53 mi14:38:313:22:4813:0334:48
14:21
+0:59
30K
18.64 mi15:25:494:10:0613:2547:18
15:13
+0:52
20M
20.00 mi15:47:134:31:3013:3421:24
15:45
+0:32
21M
21.00 mi16:02:494:47:0613:4015:36
15:36
-0:09
35K
21.75 mi16:12:584:57:1513:4010:09
13:34
-2:02
23M
23.00 mi16:30:325:14:4913:4117:34
14:02
+0:28
24M
24.00 mi16:43:285:27:4513:3912:56
12:56
-1:06
40K
24.85 mi16:55:035:39:2013:3911:35
13:33
+0:37
25.2M
25.20 mi17:00:215:44:3813:415:18
15:22
+1:49
Finish
26.22 mi17:13:165:57:3313:3912:55
12:41
-2:41

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

11:43 /mi

Average Pace

13:39 /mi

Slowest Pace

15:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:20

28% of race

Time at Steady Pace

2:11:49

37% of race

Time at Slower Pace

2:04:24

35% of race

Average Pace: 13:38 /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 mi11:52:0636:2311:4336:23
11:43
#28136
10K
6.21 mi12:31:121:15:2912:0939:06
12:35
#28199
15K
9.32 mi13:11:461:56:0312:2740:34
13:03
#28217
20K
12.43 mi13:54:362:38:5312:4742:50
13:47
#28241
Half
13.11 mi14:03:432:48:0012:499:07
13:22
#28237
25K
15.53 mi14:38:313:22:4813:0334:48
14:21
#28232
30K
18.64 mi15:25:494:10:0613:2547:18
15:13
#28251
20M
20.00 mi15:47:134:31:3013:3421:24
15:45
#28260
21M
21.00 mi16:02:494:47:0613:4015:36
15:36
#28252
35K
21.75 mi16:12:584:57:1513:4010:09
13:34
#28241
23M
23.00 mi16:30:325:14:4913:4117:34
14:02
#28227
24M
24.00 mi16:43:285:27:4513:3912:56
12:56
#28191
40K
24.85 mi16:55:035:39:2013:3911:35
13:33
#28167
25.2M
25.20 mi17:00:215:44:3813:415:18
15:22
#28167
Finish
26.22 mi17:13:165:57:3313:3912:55
12:41
#28151
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi28136120541205428185(Top 99%)12101(Top 99%)12101(Top 667%)
10K6.21 mi3.10 mi28199-6312096-4212096-4228226(Top 99%)12119(Top 99%)12119(Top 668%)
15K9.32 mi3.11 mi28217-1812110-1412110-1428185(Top 99%)12101(Top 99%)12101(Top 667%)
20K12.43 mi3.11 mi28241-2412136-2612136-2628176(Top 99%)12107(Top 99%)12107(Top 668%)
Half13.11 mi0.68 mi28237+412133+312133+328131(Top 99%)12087(Top 99%)12087(Top 667%)
25K15.53 mi2.42 mi28232+512128+512128+528048(Top 99%)12042(Top 98%)12042(Top 664%)
30K18.64 mi3.11 mi28251-1912147-1912147-1928114(Top 99%)12102(Top 99%)12102(Top 668%)
20M20.00 mi1.36 mi28260-912153-612153-628107(Top 99%)12109(Top 99%)12109(Top 668%)
21M21.00 mi1.00 mi28252+812151+212151+227598(Top 97%)11861(Top 97%)11861(Top 654%)
35K21.75 mi0.75 mi28241+1112148+312148+327407(Top 96%)11797(Top 96%)11797(Top 651%)
23M23.00 mi1.25 mi28227+1412141+712141+727358(Top 96%)11783(Top 96%)11783(Top 650%)
24M24.00 mi1.00 mi28191+3612125+1612125+1626784(Top 94%)11526(Top 94%)11526(Top 636%)
40K24.85 mi0.85 mi28167+2412110+1512110+1526798(Top 94%)11549(Top 94%)11549(Top 637%)
25.2M25.20 mi0.35 mi28167121101211027357(Top 96%)11832(Top 97%)11832(Top 653%)
Finish26.22 mi1.02 mi28151+1612104+612104+627412(Top 97%)11832(Top 97%)11832(Top 653%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

28185

Females

12101

F45-49

12101

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

28226

Females

12119

F45-49

12119

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

28185

Females

12101

F45-49

12101

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

28176

Females

12107

F45-49

12107

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

28131

Females

12087

F45-49

12087

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

28048

Females

12042

F45-49

12042

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

28114

Females

12102

F45-49

12102

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

28107

Females

12109

F45-49

12109

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

27598

Females

11861

F45-49

11861

21M→35K

21.0 - 21.8 mi

Top 96%
×7story building
+17ft-86ft

Overall

27407

Females

11797

F45-49

11797

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27358

Females

11783

F45-49

11783

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

26784

Females

11526

F45-49

11526

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

26798

Females

11549

F45-49

11549

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27357

Females

11832

F45-49

11832

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

27412

Females

11832

F45-49

11832

Passing Analysis

Category:
Athletes Passed
255
Passed By
270
Net Change
-15
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28136
5K → 10K2487-63#28136#28199
10K → 15K2644-18#28199#28217
15K → 20K2044-24#28217#28241
20K → Half117+4#28241#28237
Half → 25K2823+5#28237#28232
25K → 30K1635-19#28232#28251
30K → 20M514-9#28251#28260
20M → 21M124+8#28260#28252
21M → 35K110+11#28252#28241
35K → 23M162+14#28241#28227
23M → 24M371+36#28227#28191
24M → 40K262+24#28191#28167
40K → 25.2M220#28167#28167
25.2M → Finish215+16#28167#28151
TOTALS255270-15
📊

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