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BOSTON MARATHON 2025

Nicole Leboeuf

Bib: 25827•F

MA

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
10:01/mi
31:06
↑ 97↓ 3451.5%
10K· 6.21 mi
9:58/mi
1:02:05
↑ 79↓ 1380.4%
15K· 9.32 mi
10:06/mi
1:33:28
↑ 67↓ 78
20K· 12.43 mi
10:04/mi
2:04:45
↑ 106↓ 860.1%
Half· 13.11 mi
9:52/mi
2:11:29
↑ 19↓ 370.5%
25K· 15.53 mi
10:31/mi
2:36:58
↑ 66↓ 880.2%
30K· 18.64 mi
10:31/mi
3:09:37
↑ 181↓ 1480.2%
20M
10:14/mi
3:23:32
↑ 64↓ 500.2%
21M
10:47/mi
3:34:19
↑ 106↓ 241.6%
35K· 21.75 mi
10:46/mi
3:42:22
↑ 17↓ 861.7%
23M
10:01/mi
3:54:54
↑ 23↓ 630.6%
24M
10:04/mi
4:04:58
↓ 821.3%
40K· 24.85 mi
10:11/mi
4:13:40
↓ 200.3%
25.2M
14:18/mi
4:18:36
↑ 13↓ 160.2%
Finish· 26.22 mi
9:33/mi
4:28:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:29
Pace10:02 /mi
2nd Half
Distance13.11 mi
Time2:16:51
Pace10:26 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3831:0610:0131:06
10:01
-
10K
6.21 mi12:17:371:02:059:5930:59
9:58
-0:03
15K
9.32 mi12:49:001:33:2810:0231:23
10:06
+0:08
20K
12.43 mi13:20:172:04:4510:0231:17
10:04
-0:02
Half
13.11 mi13:27:012:11:2910:026:44
9:52
-0:12
25K
15.53 mi13:52:302:36:5810:0625:29
10:31
+0:39
30K
18.64 mi14:25:093:09:3710:1032:39
10:31
0:00
20M
20.00 mi14:39:043:23:3210:1113:55
10:14
-0:17
21M
21.00 mi14:49:513:34:1910:1210:47
10:47
+0:33
35K
21.75 mi14:57:543:42:2210:138:03
10:46
-0:01
23M
23.00 mi15:10:263:54:5410:1312:32
10:01
-0:45
24M
24.00 mi15:20:304:04:5810:1210:04
10:04
+0:03
40K
24.85 mi15:29:124:13:4010:128:42
10:11
+0:07
25.2M
25.20 mi15:34:084:18:3610:164:56
14:18
+4:07
Finish
26.22 mi15:43:524:28:2010:159:44
9:33
-4:45

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

9:33 /mi

Average Pace

10:15 /mi

Slowest Pace

14:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

9:44

4% of race

Time at Steady Pace

3:54:50

88% of race

Time at Slower Pace

23:46

9% of race

Average Pace: 10:14 /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 mi11:46:3831:0610:0131:06
10:01
#25603
10K
6.21 mi12:17:371:02:059:5930:59
9:58
#25425
15K
9.32 mi12:49:001:33:2810:0231:23
10:06
#25359
20K
12.43 mi13:20:172:04:4510:0231:17
10:04
#25108
Half
13.11 mi13:27:012:11:2910:026:44
9:52
#25078
25K
15.53 mi13:52:302:36:5810:0625:29
10:31
#24944
30K
18.64 mi14:25:093:09:3710:1032:39
10:31
#24608
20M
20.00 mi14:39:043:23:3210:1113:55
10:14
#24435
21M
21.00 mi14:49:513:34:1910:1210:47
10:47
#24243
35K
21.75 mi14:57:543:42:2210:138:03
10:46
#24230
23M
23.00 mi15:10:263:54:5410:1312:32
10:01
#24029
24M
24.00 mi15:20:304:04:5810:1210:04
10:04
#23935
40K
24.85 mi15:29:124:13:4010:128:42
10:11
#23832
25.2M
25.20 mi15:34:084:18:3610:164:56
14:18
#23913
Finish
26.22 mi15:43:524:28:2010:159:44
9:33
#23847
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi25603105371053725211(Top 89%)10344(Top 85%)10344(Top 571%)
10K6.21 mi3.10 mi25425+17810463+7410463+7425253(Top 89%)10373(Top 85%)10373(Top 572%)
15K9.32 mi3.11 mi25359+6610420+4310420+4325211(Top 89%)10344(Top 85%)10344(Top 571%)
20K12.43 mi3.11 mi25108+25110294+12610294+12624389(Top 86%)9926(Top 81%)9926(Top 547%)
Half13.11 mi0.68 mi25078+3010279+1510279+1524565(Top 86%)10032(Top 82%)10032(Top 553%)
25K15.53 mi2.42 mi24944+13410219+6010219+6024401(Top 86%)9960(Top 81%)9960(Top 549%)
30K18.64 mi3.11 mi24608+33610064+15510064+15522967(Top 81%)9307(Top 76%)9307(Top 513%)
20M20.00 mi1.36 mi24435+1739978+869978+8621709(Top 76%)8745(Top 72%)8745(Top 482%)
21M21.00 mi1.00 mi24243+1929896+829896+8220818(Top 73%)8363(Top 68%)8363(Top 461%)
35K21.75 mi0.75 mi24230+139906-109906-1023735(Top 84%)9912(Top 81%)9912(Top 547%)
23M23.00 mi1.25 mi24029+2019810+969810+9620549(Top 72%)8330(Top 68%)8330(Top 459%)
24M24.00 mi1.00 mi23935+949774+369774+3621561(Top 76%)8893(Top 73%)8893(Top 491%)
40K24.85 mi0.85 mi23832+1039733+419733+4121031(Top 74%)8689(Top 71%)8689(Top 479%)
25.2M25.20 mi0.35 mi23913-819778-459778-4526591(Top 94%)11462(Top 94%)11462(Top 632%)
Finish26.22 mi1.02 mi23847+669756+229756+2221394(Top 75%)8865(Top 72%)8865(Top 489%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25211

Females

10344

F45-49

10344

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25253

Females

10373

F45-49

10373

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25211

Females

10344

F45-49

10344

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24389

Females

9926

F45-49

9926

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

24565

Females

10032

F45-49

10032

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24401

Females

9960

F45-49

9960

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

22967

Females

9307

F45-49

9307

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21709

Females

8745

F45-49

8745

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

20818

Females

8363

F45-49

8363

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23735

Females

9912

F45-49

9912

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

20549

Females

8330

F45-49

8330

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

21561

Females

8893

F45-49

8893

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

21031

Females

8689

F45-49

8689

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26591

Females

11462

F45-49

11462

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

21394

Females

8865

F45-49

8865

Passing Analysis

Category:
Athletes Passed
2195
Passed By
439
Net Change
+1756
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25603
5K → 10K284106+178#25603#25425
10K → 15K16599+66#25425#25359
15K → 20K27524+251#25359#25108
20K → Half4212+30#25108#25078
Half → 25K17541+134#25078#24944
25K → 30K3459+336#24944#24608
30K → 20M1763+173#24608#24435
20M → 21M1931+192#24435#24243
21M → 35K4128+13#24243#24230
35K → 23M2043+201#24230#24029
23M → 24M1028+94#24029#23935
24M → 40K1085+103#23935#23832
40K → 25.2M485-81#23832#23913
25.2M → Finish8115+66#23913#23847
TOTALS2195439+1756
📊

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