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BOSTON MARATHON 2025

Lucy Nash

Bib: 31680•F

MA

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

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
10:16/mi
31:55
↑ 97↓ 3451.5%
10K· 6.21 mi
10:01/mi
1:03:02
↑ 79↓ 1380.4%
15K· 9.32 mi
9:50/mi
1:33:34
↑ 67↓ 78
20K· 12.43 mi
9:45/mi
2:03:51
↑ 106↓ 860.1%
Half· 13.11 mi
9:26/mi
2:10:17
↑ 19↓ 370.5%
25K· 15.53 mi
9:50/mi
2:34:07
↑ 66↓ 880.2%
30K· 18.64 mi
9:44/mi
3:04:21
↑ 181↓ 1480.2%
20M
9:51/mi
3:17:44
↑ 64↓ 500.2%
21M
10:09/mi
3:27:53
↑ 106↓ 241.6%
35K· 21.75 mi
9:29/mi
3:34:59
↑ 17↓ 861.7%
23M
10:25/mi
3:48:01
↑ 23↓ 630.6%
24M
9:56/mi
3:57:57
↓ 821.3%
40K· 24.85 mi
9:56/mi
4:06:27
↓ 200.3%
25.2M
9:49/mi
4:09:50
↑ 13↓ 160.2%
Finish· 26.22 mi
8:57/mi
4:18:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:10:17
Pace9:56 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:08:40
Pace9:49 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:0131:5510:1631:55
10:16
-
10K
6.21 mi12:28:081:03:0210:0931:07
10:01
-0:15
15K
9.32 mi12:58:401:33:3410:0230:32
9:50
-0:11
20K
12.43 mi13:28:572:03:519:5830:17
9:45
-0:05
Half
13.11 mi13:35:232:10:179:566:26
9:26
-0:19
25K
15.53 mi13:59:132:34:079:5523:50
9:50
+0:24
30K
18.64 mi14:29:273:04:219:5330:14
9:44
-0:06
20M
20.00 mi14:42:503:17:449:5313:23
9:51
+0:07
21M
21.00 mi14:52:593:27:539:5410:09
10:09
+0:18
35K
21.75 mi15:00:053:34:599:537:06
9:29
-0:40
23M
23.00 mi15:13:073:48:019:5513:02
10:25
+0:56
24M
24.00 mi15:23:033:57:579:559:56
9:56
-0:29
40K
24.85 mi15:31:334:06:279:558:30
9:56
0:00
25.2M
25.20 mi15:34:564:09:509:553:23
9:49
-0:07
Finish
26.22 mi15:44:034:18:579:539:07
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

9:53 /mi

Slowest Pace

10:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:55

54% of race

Time at Steady Pace

1:58:02

46% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:53 /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 mi11:57:0131:5510:1631:55
10:16
#26248
10K
6.21 mi12:28:081:03:0210:0931:07
10:01
#25756
15K
9.32 mi12:58:401:33:3410:0230:32
9:50
#25385
20K
12.43 mi13:28:572:03:519:5830:17
9:45
#24929
Half
13.11 mi13:35:232:10:179:566:26
9:26
#24836
25K
15.53 mi13:59:132:34:079:5523:50
9:50
#24545
30K
18.64 mi14:29:273:04:219:5330:14
9:44
#23927
20M
20.00 mi14:42:503:17:449:5313:23
9:51
#23685
21M
21.00 mi14:52:593:27:539:5410:09
10:09
#23425
35K
21.75 mi15:00:053:34:599:537:06
9:29
#23324
23M
23.00 mi15:13:073:48:019:5513:02
10:25
#23237
24M
24.00 mi15:23:033:57:579:559:56
9:56
#23149
40K
24.85 mi15:31:334:06:279:558:30
9:56
#23029
25.2M
25.20 mi15:34:564:09:509:553:23
9:49
#22961
Finish
26.22 mi15:44:034:18:579:539:07
8:57
#22824
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26248108931089324614(Top 87%)10013(Top 82%)10013(Top 183%)
10K6.21 mi3.10 mi25756+49210636+25710636+25725364(Top 89%)10439(Top 85%)10439(Top 191%)
15K9.32 mi3.11 mi25385+37110433+20310433+20324614(Top 87%)10013(Top 82%)10013(Top 183%)
20K12.43 mi3.11 mi24929+45610196+23710196+23723621(Top 83%)9495(Top 78%)9495(Top 174%)
Half13.11 mi0.68 mi24836+9310143+5310143+5323369(Top 82%)9355(Top 77%)9355(Top 171%)
25K15.53 mi2.42 mi24545+29110003+14010003+14022848(Top 80%)9113(Top 75%)9113(Top 167%)
30K18.64 mi3.11 mi23927+6189689+3149689+31420792(Top 73%)8115(Top 66%)8115(Top 148%)
20M20.00 mi1.36 mi23685+2429591+989591+9820468(Top 72%)8064(Top 66%)8064(Top 147%)
21M21.00 mi1.00 mi23425+2609461+1309461+13018890(Top 67%)7288(Top 60%)7288(Top 133%)
35K21.75 mi0.75 mi23324+1019415+469415+4620339(Top 72%)8163(Top 67%)8163(Top 149%)
23M23.00 mi1.25 mi23237+879396+199396+1921774(Top 77%)8958(Top 73%)8958(Top 164%)
24M24.00 mi1.00 mi23149+889373+239373+2321190(Top 75%)8699(Top 71%)8699(Top 159%)
40K24.85 mi0.85 mi23029+1209321+529321+5220298(Top 71%)8318(Top 68%)8318(Top 152%)
25.2M25.20 mi0.35 mi22961+689293+289293+2816258(Top 57%)6243(Top 51%)6243(Top 114%)
Finish26.22 mi1.02 mi22824+1379233+609233+6018805(Top 66%)7501(Top 61%)7501(Top 137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24614

Females

10013

F18-39

10013

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25364

Females

10439

F18-39

10439

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24614

Females

10013

F18-39

10013

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

23621

Females

9495

F18-39

9495

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

23369

Females

9355

F18-39

9355

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

22848

Females

9113

F18-39

9113

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20792

Females

8115

F18-39

8115

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

20468

Females

8064

F18-39

8064

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

18890

Females

7288

F18-39

7288

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

20339

Females

8163

F18-39

8163

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

21774

Females

8958

F18-39

8958

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21190

Females

8699

F18-39

8699

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20298

Females

8318

F18-39

8318

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16258

Females

6243

F18-39

6243

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

18805

Females

7501

F18-39

7501

Passing Analysis

Category:
Athletes Passed
3538
Passed By
114
Net Change
+3424
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26248
5K → 10K51927+492#26248#25756
10K → 15K38514+371#25756#25385
15K → 20K4604+456#25385#24929
20K → Half952+93#24929#24836
Half → 25K2943+291#24836#24545
25K → 30K6224+618#24545#23927
30K → 20M2497+242#23927#23685
20M → 21M2611+260#23685#23425
21M → 35K1054+101#23425#23324
35K → 23M11326+87#23324#23237
23M → 24M10113+88#23237#23149
24M → 40K1255+120#23149#23029
40K → 25.2M691+68#23029#22961
25.2M → Finish1403+137#22961#22824
TOTALS3538114+3424
📊

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