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BOSTON MARATHON 2025

Emily Nepomuceno

MA

Bib: 26807 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:06/mi
31:24
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:34/mi
1:01:07
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:21/mi
1:33:16
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:02/mi
2:04:26
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:30/mi
2:10:55
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:08/mi
2:37:54
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:57/mi
3:11:54
↑ 181↓ 1480.2%
138 ft elev
20M
13:26/mi
3:30:09
↑ 64↓ 500.2%
148 ft elev
21M
13:05/mi
3:43:14
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:03/mi
3:50:45
↑ 17↓ 861.7%
156 ft elev
23M
11:14/mi
4:04:49
↑ 23↓ 630.6%
116 ft elev
24M
10:26/mi
4:15:15
↓ 821.3%
34 ft elev
40K· 24.85 mi
13:41/mi
4:26:57
↓ 200.3%
20 ft elev
25.2M
9:49/mi
4:30:20
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:57/mi
4:39:27
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:55
Pace9:59 /mi
2nd Half
Distance13.11 mi
Time2:28:32
Pace11:20 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3131:2410:0631:24
10:06
-
10K
6.21 mi12:21:141:01:079:5029:43
9:34
-0:32
15K
9.32 mi12:53:231:33:1610:0032:09
10:21
+0:47
20K
12.43 mi13:24:332:04:2610:0131:10
10:02
-0:19
Half
13.11 mi13:31:022:10:559:596:29
9:30
-0:32
25K
15.53 mi13:58:012:37:5410:1026:59
11:08
+1:38
30K
18.64 mi14:32:013:11:5410:1834:00
10:57
-0:11
20M
20.00 mi14:50:163:30:0910:3018:15
13:26
+2:29
21M
21.00 mi15:03:213:43:1410:3813:05
13:05
-0:21
35K
21.75 mi15:10:523:50:4510:377:31
10:03
-3:02
23M
23.00 mi15:24:564:04:4910:3914:04
11:14
+1:11
24M
24.00 mi15:35:224:15:1510:3810:26
10:26
-0:48
40K
24.85 mi15:47:044:26:5710:4411:42
13:41
+3:15
25.2M
25.20 mi15:50:274:30:2010:443:23
9:49
-3:52
Finish
26.22 mi15:59:344:39:2710:409:07
8:57
-0:52

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

8:57 /mi

Average Pace

10:40 /mi

Slowest Pace

13:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

45:19

16% of race

Time at Steady Pace

2:30:03

54% of race

Time at Slower Pace

1:24:05

30% of race

Average Pace: 10:39 /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 mi11:51:3131:2410:0631:24
10:06
#25828
10K
6.21 mi12:21:141:01:079:5029:43
9:34
#25043
15K
9.32 mi12:53:231:33:1610:0032:09
10:21
#25302
20K
12.43 mi13:24:332:04:2610:0131:10
10:02
#25046
Half
13.11 mi13:31:022:10:559:596:29
9:30
#24964
25K
15.53 mi13:58:012:37:5410:1026:59
11:08
#25054
30K
18.64 mi14:32:013:11:5410:1834:00
10:57
#24853
20M
20.00 mi14:50:163:30:0910:3018:15
13:26
#25074
21M
21.00 mi15:03:213:43:1410:3813:05
13:05
#25098
35K
21.75 mi15:10:523:50:4510:377:31
10:03
#25040
23M
23.00 mi15:24:564:04:4910:3914:04
11:14
#24972
24M
24.00 mi15:35:224:15:1510:3810:26
10:26
#24894
40K
24.85 mi15:47:044:26:5710:4411:42
13:41
#24996
25.2M
25.20 mi15:50:274:30:2010:443:23
9:49
#24925
Finish
26.22 mi15:59:344:39:2710:409:07
8:57
#24806
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25828106591065925668(Top 90%)10600(Top 87%)10600(Top 194%)
10K6.21 mi3.10 mi25043+78510256+40310256+40324262(Top 85%)9840(Top 80%)9840(Top 180%)
15K9.32 mi3.11 mi25302-25910390-13410390-13425668(Top 90%)10600(Top 87%)10600(Top 194%)
20K12.43 mi3.11 mi25046+25610256+13410256+13424282(Top 85%)9870(Top 81%)9870(Top 180%)
Half13.11 mi0.68 mi24964+8210220+3610220+3623546(Top 83%)9460(Top 77%)9460(Top 173%)
25K15.53 mi2.42 mi25054-9010281-6110281-6125384(Top 89%)10505(Top 86%)10505(Top 192%)
30K18.64 mi3.11 mi24853+20110194+8710194+8723906(Top 84%)9821(Top 80%)9821(Top 180%)
20M20.00 mi1.36 mi25074-22110328-13410328-13426815(Top 94%)11459(Top 94%)11459(Top 210%)
21M21.00 mi1.00 mi25098-2410359-3110359-3125140(Top 89%)10634(Top 87%)10634(Top 194%)
35K21.75 mi0.75 mi25040+5810338+2110338+2121994(Top 77%)9040(Top 74%)9040(Top 165%)
23M23.00 mi1.25 mi24972+6810316+2210316+2223727(Top 84%)9972(Top 82%)9972(Top 182%)
24M24.00 mi1.00 mi24894+7810283+3310283+3322604(Top 80%)9442(Top 77%)9442(Top 173%)
40K24.85 mi0.85 mi24996-10210350-6710350-6726921(Top 95%)11601(Top 95%)11601(Top 212%)
25.2M25.20 mi0.35 mi24925+7110319+3110319+3116026(Top 56%)6130(Top 50%)6130(Top 112%)
Finish26.22 mi1.02 mi24806+11910265+5410265+5418726(Top 66%)7461(Top 61%)7461(Top 136%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

25668

Females

10600

F18-39

10600

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

24262

Females

9840

F18-39

9840

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

25668

Females

10600

F18-39

10600

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24282

Females

9870

F18-39

9870

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23546

Females

9460

F18-39

9460

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

25384

Females

10505

F18-39

10505

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23906

Females

9821

F18-39

9821

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

26815

Females

11459

F18-39

11459

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25140

Females

10634

F18-39

10634

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

21994

Females

9040

F18-39

9040

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23727

Females

9972

F18-39

9972

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22604

Females

9442

F18-39

9442

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

26921

Females

11601

F18-39

11601

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

16026

Females

6130

F18-39

6130

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

18726

Females

7461

F18-39

7461

Passing Analysis

Category:
Athletes Passed
2033
Passed By
1011
Net Change
+1022
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25828
5K → 10K7938+785#25828#25043
10K → 15K65324-259#25043#25302
15K → 20K28529+256#25302#25046
20K → Half831+82#25046#24964
Half → 25K76166-90#24964#25054
25K → 30K23938+201#25054#24853
30K → 20M13234-221#24853#25074
20M → 21M4569-24#25074#25098
21M → 35K613+58#25098#25040
35K → 23M8315+68#25040#24972
23M → 24M802+78#24972#24894
24M → 40K18120-102#24894#24996
40K → 25.2M710+71#24996#24925
25.2M → Finish1212+119#24925#24806
TOTALS20331011+1022
📊

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