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BOSTON MARATHON 2025

Nikki Rosee

Bib: 16815•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 40%
Masters (Masters Women)
#0 / 6759
Top 26%
Division (F45-49)
#0 / 1813
Top 31%
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
7:56/mi
24:39
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
49:24
↑ 79↓ 1380.4%
15K· 9.32 mi
8:01/mi
1:14:18
↑ 67↓ 78
20K· 12.43 mi
8:09/mi
1:39:36
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:45:06
↑ 19↓ 370.5%
25K· 15.53 mi
8:10/mi
2:04:55
↑ 66↓ 880.2%
30K· 18.64 mi
8:27/mi
2:31:09
↑ 181↓ 1480.2%
20M
8:28/mi
2:42:40
↑ 64↓ 500.2%
21M
9:12/mi
2:51:52
↑ 106↓ 241.6%
35K· 21.75 mi
8:27/mi
2:58:11
↑ 17↓ 861.7%
23M
8:30/mi
3:08:49
↑ 23↓ 630.6%
24M
8:37/mi
3:17:26
↓ 821.3%
40K· 24.85 mi
8:45/mi
3:24:55
↓ 200.3%
25.2M
9:28/mi
3:28:11
↑ 13↓ 160.2%
Finish· 26.22 mi
8:22/mi
3:36:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:06
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:51:37
Pace8:31 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:5124:397:5624:39
7:56
-
10K
6.21 mi11:23:3649:247:5724:45
7:58
+0:02
15K
9.32 mi11:48:301:14:187:5824:54
8:01
+0:03
20K
12.43 mi12:13:481:39:368:0125:18
8:09
+0:08
Half
13.11 mi12:19:181:45:068:015:30
8:04
-0:05
25K
15.53 mi12:39:072:04:558:0219:49
8:10
+0:06
30K
18.64 mi13:05:212:31:098:0726:14
8:27
+0:17
20M
20.00 mi13:16:522:42:408:0811:31
8:28
+0:01
21M
21.00 mi13:26:042:51:528:119:12
9:12
+0:44
35K
21.75 mi13:32:232:58:118:126:19
8:27
-0:45
23M
23.00 mi13:43:013:08:498:1310:38
8:30
+0:03
24M
24.00 mi13:51:383:17:268:148:37
8:37
+0:07
40K
24.85 mi13:59:073:24:558:157:29
8:45
+0:08
25.2M
25.20 mi14:02:233:28:118:163:16
9:28
+0:43
Finish
26.22 mi14:10:553:36:438:168:32
8:22
-1:06

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

7:56 /mi

Average Pace

8:16 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:46

91% of race

Time at Steady Pace

16:41

8% of race

Time at Slower Pace

3:16

2% of race

Average Pace: 8:16 /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 mi10:58:5124:397:5624:39
7:56
#16064
10K
6.21 mi11:23:3649:247:5724:45
7:58
#16110
15K
9.32 mi11:48:301:14:187:5824:54
8:01
#16091
20K
12.43 mi12:13:481:39:368:0125:18
8:09
#16053
Half
13.11 mi12:19:181:45:068:015:30
8:04
#16076
25K
15.53 mi12:39:072:04:558:0219:49
8:10
#15894
30K
18.64 mi13:05:212:31:098:0726:14
8:27
#15576
20M
20.00 mi13:16:522:42:408:0811:31
8:28
#15387
21M
21.00 mi13:26:042:51:528:119:12
9:12
#15284
35K
21.75 mi13:32:232:58:118:126:19
8:27
#15246
23M
23.00 mi13:43:013:08:498:1310:38
8:30
#15102
24M
24.00 mi13:51:383:17:268:148:37
8:37
#15069
40K
24.85 mi13:59:073:24:558:157:29
8:45
#15071
25.2M
25.20 mi14:02:233:28:118:163:16
9:28
#15042
Finish
26.22 mi14:10:553:36:438:168:32
8:22
#15027
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi160645185518516164(Top 57%)5237(Top 43%)5237(Top 289%)
10K6.21 mi3.10 mi16110-465210-255210-2516210(Top 57%)5250(Top 43%)5250(Top 290%)
15K9.32 mi3.11 mi16091+195190+205190+2016164(Top 57%)5237(Top 43%)5237(Top 289%)
20K12.43 mi3.11 mi16053+385184+65184+615946(Top 56%)5182(Top 42%)5182(Top 286%)
Half13.11 mi0.68 mi16076-235197-135197-1316393(Top 58%)5398(Top 44%)5398(Top 298%)
25K15.53 mi2.42 mi15894+1825103+945103+9415140(Top 53%)4812(Top 39%)4812(Top 265%)
30K18.64 mi3.11 mi15576+3184985+1184985+11814429(Top 51%)4596(Top 38%)4596(Top 254%)
20M20.00 mi1.36 mi15387+1894920+654920+6513652(Top 48%)4325(Top 35%)4325(Top 239%)
21M21.00 mi1.00 mi15284+1034884+364884+3614653(Top 52%)4971(Top 41%)4971(Top 274%)
35K21.75 mi0.75 mi15246+384876+84876+815148(Top 53%)5310(Top 43%)5310(Top 293%)
23M23.00 mi1.25 mi15102+1444828+484828+4813291(Top 47%)4429(Top 36%)4429(Top 244%)
24M24.00 mi1.00 mi15069+334842-144842-1415273(Top 54%)5523(Top 45%)5523(Top 305%)
40K24.85 mi0.85 mi15071-24878-364878-3614944(Top 53%)5489(Top 45%)5489(Top 303%)
25.2M25.20 mi0.35 mi15042+294876+24876+214484(Top 51%)5273(Top 43%)5273(Top 291%)
Finish26.22 mi1.02 mi15027+154889-134889-1315401(Top 54%)5690(Top 47%)5690(Top 314%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16164

Females

5237

F45-49

5237

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16210

Females

5250

F45-49

5250

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16164

Females

5237

F45-49

5237

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

15946

Females

5182

F45-49

5182

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16393

Females

5398

F45-49

5398

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

15140

Females

4812

F45-49

4812

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14429

Females

4596

F45-49

4596

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

13652

Females

4325

F45-49

4325

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14653

Females

4971

F45-49

4971

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

15148

Females

5310

F45-49

5310

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

13291

Females

4429

F45-49

4429

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15273

Females

5523

F45-49

5523

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14944

Females

5489

F45-49

5489

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14484

Females

5273

F45-49

5273

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

15401

Females

5690

F45-49

5690

Passing Analysis

Category:
Athletes Passed
2337
Passed By
1300
Net Change
+1037
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16064
5K → 10K283329-46#16064#16110
10K → 15K221202+19#16110#16091
15K → 20K219181+38#16091#16053
20K → Half2952-23#16053#16076
Half → 25K26179+182#16076#15894
25K → 30K39476+318#15894#15576
30K → 20M21324+189#15576#15387
20M → 21M16057+103#15387#15284
21M → 35K8547+38#15284#15246
35K → 23M17430+144#15246#15102
23M → 24M10370+33#15102#15069
24M → 40K6466-2#15069#15071
40K → 25.2M5021+29#15071#15042
25.2M → Finish8166+15#15042#15027
TOTALS23371300+1037
📊

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