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BOSTON MARATHON 2025

Nicole Rossi

Bib: 15338•F

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 27%
Division (F18-39)
#0 / 5469
Top 45%
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
7:54/mi
24:33
↑ 97↓ 3451.5%
10K· 6.21 mi
7:45/mi
48:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:38/mi
1:12:23
↑ 67↓ 78
20K· 12.43 mi
7:51/mi
1:36:46
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:41:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
2:00:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:07/mi
2:26:07
↑ 181↓ 1480.2%
20M
7:55/mi
2:36:53
↑ 64↓ 500.2%
21M
8:10/mi
2:45:03
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:50:45
↑ 17↓ 861.7%
23M
8:08/mi
3:00:56
↑ 23↓ 630.6%
24M
7:56/mi
3:08:52
↓ 821.3%
40K· 24.85 mi
8:08/mi
3:15:49
↓ 200.3%
25.2M
8:36/mi
3:18:47
↑ 13↓ 160.2%
Finish· 26.22 mi
7:28/mi
3:26:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:58
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:44:26
Pace7:58 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:5924:337:5424:33
7:54
-
10K
6.21 mi11:20:0548:397:5024:06
7:45
-0:09
15K
9.32 mi11:43:491:12:237:4623:44
7:38
-0:07
20K
12.43 mi12:08:121:36:467:4724:23
7:51
+0:13
Half
13.11 mi12:13:241:41:587:475:12
7:37
-0:14
25K
15.53 mi12:32:202:00:547:4718:56
7:49
+0:12
30K
18.64 mi12:57:332:26:077:5025:13
8:07
+0:18
20M
20.00 mi13:08:192:36:537:5110:46
7:55
-0:12
21M
21.00 mi13:16:292:45:037:528:10
8:10
+0:15
35K
21.75 mi13:22:112:50:457:515:42
7:37
-0:33
23M
23.00 mi13:32:223:00:567:5210:11
8:08
+0:31
24M
24.00 mi13:40:183:08:527:527:56
7:56
-0:12
40K
24.85 mi13:47:153:15:497:536:57
8:08
+0:12
25.2M
25.20 mi13:50:133:18:477:532:58
8:36
+0:28
Finish
26.22 mi13:57:503:26:247:537:37
7:28
-1:08

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

7:28 /mi

Average Pace

7:53 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:26

99% of race

Time at Steady Pace

2:58

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:52 /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 mi10:55:5924:337:5424:33
7:54
#15706
10K
6.21 mi11:20:0548:397:5024:06
7:45
#15048
15K
9.32 mi11:43:491:12:237:4623:44
7:38
#14344
20K
12.43 mi12:08:121:36:467:4724:23
7:51
#14140
Half
13.11 mi12:13:241:41:587:475:12
7:37
#14064
25K
15.53 mi12:32:202:00:547:4718:56
7:49
#13744
30K
18.64 mi12:57:332:26:077:5025:13
8:07
#13400
20M
20.00 mi13:08:192:36:537:5110:46
7:55
#13077
21M
21.00 mi13:16:292:45:037:528:10
8:10
#12784
35K
21.75 mi13:22:112:50:457:515:42
7:37
#12636
23M
23.00 mi13:32:223:00:567:5210:11
8:08
#12497
24M
24.00 mi13:40:183:08:527:527:56
7:56
#12397
40K
24.85 mi13:47:153:15:497:536:57
8:08
#12317
25.2M
25.20 mi13:50:133:18:477:532:58
8:36
#12258
Finish
26.22 mi13:57:503:26:247:537:37
7:28
#12105
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi157064958495812960(Top 46%)3424(Top 28%)3424(Top 63%)
10K6.21 mi3.10 mi15048+6584574+3844574+38414412(Top 51%)4194(Top 34%)4194(Top 77%)
15K9.32 mi3.11 mi14344+7044166+4084166+40812960(Top 46%)3424(Top 28%)3424(Top 63%)
20K12.43 mi3.11 mi14140+2044085+814085+8113666(Top 48%)3905(Top 32%)3905(Top 71%)
Half13.11 mi0.68 mi14064+764043+424043+4212809(Top 45%)3388(Top 28%)3388(Top 62%)
25K15.53 mi2.42 mi13744+3203892+1513892+15112447(Top 44%)3363(Top 28%)3363(Top 61%)
30K18.64 mi3.11 mi13400+3443769+1233769+12312223(Top 43%)3399(Top 28%)3399(Top 62%)
20M20.00 mi1.36 mi13077+3233624+1453624+1459965(Top 35%)2426(Top 20%)2426(Top 44%)
21M21.00 mi1.00 mi12784+2933492+1323492+1328419(Top 30%)1915(Top 16%)1915(Top 35%)
35K21.75 mi0.75 mi12636+1483442+503442+509544(Top 34%)2399(Top 20%)2399(Top 44%)
23M23.00 mi1.25 mi12497+1393400+423400+4210964(Top 39%)3210(Top 26%)3210(Top 59%)
24M24.00 mi1.00 mi12397+1003374+263374+2610794(Top 38%)3193(Top 26%)3193(Top 58%)
40K24.85 mi0.85 mi12317+803367+73367+711116(Top 39%)3461(Top 28%)3461(Top 63%)
25.2M25.20 mi0.35 mi12258+593348+193348+199525(Top 34%)2802(Top 23%)2802(Top 51%)
Finish26.22 mi1.02 mi12105+1533296+523296+529052(Top 32%)2570(Top 21%)2570(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12960

Females

3424

F18-39

3424

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

14412

Females

4194

F18-39

4194

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12960

Females

3424

F18-39

3424

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13666

Females

3905

F18-39

3905

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12809

Females

3388

F18-39

3388

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12447

Females

3363

F18-39

3363

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12223

Females

3399

F18-39

3399

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9965

Females

2426

F18-39

2426

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8419

Females

1915

F18-39

1915

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9544

Females

2399

F18-39

2399

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10964

Females

3210

F18-39

3210

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10794

Females

3193

F18-39

3193

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11116

Females

3461

F18-39

3461

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9525

Females

2802

F18-39

2802

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

9052

Females

2570

F18-39

2570

Passing Analysis

Category:
Athletes Passed
4060
Passed By
459
Net Change
+3601
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15706
5K → 10K75193+658#15706#15048
10K → 15K71511+704#15048#14344
15K → 20K316112+204#14344#14140
20K → Half826+76#14140#14064
Half → 25K35434+320#14064#13744
25K → 30K41571+344#13744#13400
30K → 20M3274+323#13400#13077
20M → 21M2996+293#13077#12784
21M → 35K1546+148#12784#12636
35K → 23M18142+139#12636#12497
23M → 24M12727+100#12497#12397
24M → 40K11131+80#12397#12317
40K → 25.2M645+59#12317#12258
25.2M → Finish16411+153#12258#12105
TOTALS4060459+3601
📊

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