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BOSTON MARATHON 2025

Lucy Haswell

Bib: 26347•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
9:26/mi
29:20
↑ 97↓ 3451.5%
10K· 6.21 mi
9:05/mi
57:32
↑ 79↓ 1380.4%
15K· 9.32 mi
8:53/mi
1:25:09
↑ 67↓ 78
20K· 12.43 mi
8:53/mi
1:52:46
↑ 106↓ 860.1%
Half· 13.11 mi
8:48/mi
1:58:46
↑ 19↓ 370.5%
25K· 15.53 mi
9:19/mi
2:21:22
↑ 66↓ 880.2%
30K· 18.64 mi
9:25/mi
2:50:37
↑ 181↓ 1480.2%
20M
9:21/mi
3:03:19
↑ 64↓ 500.2%
21M
9:44/mi
3:13:03
↑ 106↓ 241.6%
35K· 21.75 mi
9:56/mi
3:20:29
↑ 17↓ 861.7%
23M
9:11/mi
3:31:59
↑ 23↓ 630.6%
24M
9:16/mi
3:41:15
↓ 821.3%
40K· 24.85 mi
9:13/mi
3:49:08
↓ 200.3%
25.2M
10:50/mi
3:52:52
↑ 13↓ 160.2%
Finish· 26.22 mi
8:04/mi
4:01:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:46
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:02:19
Pace9:20 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5129:209:2629:20
9:26
-
10K
6.21 mi12:16:0357:329:1628:12
9:05
-0:21
15K
9.32 mi12:43:401:25:099:0827:37
8:53
-0:12
20K
12.43 mi13:11:171:52:469:0427:37
8:53
0:00
Half
13.11 mi13:17:171:58:469:046:00
8:48
-0:05
25K
15.53 mi13:39:532:21:229:0622:36
9:19
+0:31
30K
18.64 mi14:09:082:50:379:0929:15
9:25
+0:06
20M
20.00 mi14:21:503:03:199:1012:42
9:21
-0:04
21M
21.00 mi14:31:343:13:039:129:44
9:44
+0:23
35K
21.75 mi14:39:003:20:299:137:26
9:56
+0:12
23M
23.00 mi14:50:303:31:599:1311:30
9:11
-0:45
24M
24.00 mi14:59:463:41:159:139:16
9:16
+0:05
40K
24.85 mi15:07:393:49:089:137:53
9:13
-0:03
25.2M
25.20 mi15:11:233:52:529:143:44
10:50
+1:37
Finish
26.22 mi15:19:364:01:059:128:13
8:04
-2:46

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

8:04 /mi

Average Pace

9:12 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:27

29% of race

Time at Steady Pace

2:30:44

63% of race

Time at Slower Pace

20:54

9% of race

Average Pace: 9:12 /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 mi11:47:5129:209:2629:20
9:26
#24042
10K
6.21 mi12:16:0357:329:1628:12
9:05
#23421
15K
9.32 mi12:43:401:25:099:0827:37
8:53
#22866
20K
12.43 mi13:11:171:52:469:0427:37
8:53
#22253
Half
13.11 mi13:17:171:58:469:046:00
8:48
#22176
25K
15.53 mi13:39:532:21:229:0622:36
9:19
#21999
30K
18.64 mi14:09:082:50:379:0929:15
9:25
#21563
20M
20.00 mi14:21:503:03:199:1012:42
9:21
#21310
21M
21.00 mi14:31:343:13:039:129:44
9:44
#21089
35K
21.75 mi14:39:003:20:299:137:26
9:56
#21114
23M
23.00 mi14:50:303:31:599:1311:30
9:11
#20903
24M
24.00 mi14:59:463:41:159:139:16
9:16
#20810
40K
24.85 mi15:07:393:49:089:137:53
9:13
#20690
25.2M
25.20 mi15:11:233:52:529:143:44
10:50
#20690
Finish
26.22 mi15:19:364:01:059:128:13
8:04
#20517
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi240429717971721527(Top 76%)8294(Top 68%)8294(Top 152%)
10K6.21 mi3.10 mi23421+6219374+3439374+34322722(Top 80%)8983(Top 73%)8983(Top 164%)
15K9.32 mi3.11 mi22866+5559047+3279047+32721527(Top 76%)8294(Top 68%)8294(Top 152%)
20K12.43 mi3.11 mi22253+6138733+3148733+31420424(Top 72%)7726(Top 63%)7726(Top 141%)
Half13.11 mi0.68 mi22176+778692+418692+4120917(Top 74%)8000(Top 65%)8000(Top 146%)
25K15.53 mi2.42 mi21999+1778604+888604+8821267(Top 75%)8243(Top 67%)8243(Top 151%)
30K18.64 mi3.11 mi21563+4368380+2248380+22419605(Top 69%)7452(Top 61%)7452(Top 136%)
20M20.00 mi1.36 mi21310+2538275+1058275+10518532(Top 65%)7025(Top 57%)7025(Top 128%)
21M21.00 mi1.00 mi21089+2218173+1028173+10217217(Top 61%)6389(Top 52%)6389(Top 117%)
35K21.75 mi0.75 mi21114-258198-258198-2521729(Top 76%)8887(Top 73%)8887(Top 162%)
23M23.00 mi1.25 mi20903+2118112+868112+8617289(Top 61%)6605(Top 54%)6605(Top 121%)
24M24.00 mi1.00 mi20810+938072+408072+4018697(Top 66%)7392(Top 60%)7392(Top 135%)
40K24.85 mi0.85 mi20690+1208022+508022+5017487(Top 62%)6863(Top 56%)6863(Top 125%)
25.2M25.20 mi0.35 mi206908027-58027-520150(Top 71%)8240(Top 67%)8240(Top 151%)
Finish26.22 mi1.02 mi20517+1737951+767951+7613376(Top 47%)4655(Top 38%)4655(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

21527

Females

8294

F18-39

8294

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22722

Females

8983

F18-39

8983

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

21527

Females

8294

F18-39

8294

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

20424

Females

7726

F18-39

7726

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

20917

Females

8000

F18-39

8000

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

21267

Females

8243

F18-39

8243

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

19605

Females

7452

F18-39

7452

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18532

Females

7025

F18-39

7025

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

17217

Females

6389

F18-39

6389

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

21729

Females

8887

F18-39

8887

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17289

Females

6605

F18-39

6605

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

18697

Females

7392

F18-39

7392

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17487

Females

6863

F18-39

6863

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20150

Females

8240

F18-39

8240

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13376

Females

4655

F18-39

4655

Passing Analysis

Category:
Athletes Passed
3832
Passed By
307
Net Change
+3525
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24042
5K → 10K66746+621#24042#23421
10K → 15K57217+555#23421#22866
15K → 20K6185+613#22866#22253
20K → Half847+77#22253#22176
Half → 25K23659+177#22176#21999
25K → 30K46630+436#21999#21563
30K → 20M2596+253#21563#21310
20M → 21M2298+221#21310#21089
21M → 35K5075-25#21089#21114
35K → 23M2176+211#21114#20903
23M → 24M10916+93#20903#20810
24M → 40K1288+120#20810#20690
40K → 25.2M23230#20690#20690
25.2M → Finish1741+173#20690#20517
TOTALS3832307+3525
📊

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