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BOSTON MARATHON 2025

Brittany Ludena

Bib: 26916•F

NY

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

Start
0:00:00
Race begins
5K· 3.11 mi
30:01
Rank: #24732
Start → 5K
30:01 | 9:40/mi
10K· 6.21 mi
1:00:51
Rank: #24956 (-224)
5K → 10K
30:50 | 9:55/mi
15K· 9.32 mi
1:31:01
Rank: #24740 (+216)
10K → 15K
30:10 | 9:43/mi
20K· 12.43 mi
2:00:52
Rank: #24366 (+374)
15K → 20K
29:51 | 9:36/mi
Half· 13.11 mi
2:07:03
Rank: #24270 (+96)
20K → Half
6:11 | 9:04/mi
25K· 15.53 mi
2:29:54
Rank: #23845 (+425)
Half → 25K
22:51 | 9:25/mi
30K· 18.64 mi
3:00:16
Rank: #23304 (+541)
25K → 30K
30:22 | 9:46/mi
20M
3:12:40
Rank: #22945 (+359)
30K → 20M
12:24 | 9:07/mi
21M
3:22:23
Rank: #22675 (+270)
20M → 21M
9:43 | 9:43/mi
35K· 21.75 mi
3:28:26
Rank: #22437 (+238)
21M → 35K
6:03 | 8:05/mi
23M
3:39:31
Rank: #22108 (+329)
35K → 23M
11:05 | 8:51/mi
24M
3:48:01
Rank: #21853 (+255)
23M → 24M
8:30 | 8:30/mi
40K· 24.85 mi
3:55:52
Rank: #21714 (+139)
24M → 40K
7:51 | 9:11/mi
25.2M
3:59:28
Rank: #21665 (+49)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
4:08:11
Rank: #21496 (+169)
25.2M → Finish
8:43 | 8:33/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:07:03
Pace9:41 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:01:08
Pace9:14 /mi
📊Negative Split: 4.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3930:019:4030:01
9:40
-
10K
6.21 mi12:17:291:00:519:4830:50
9:55
+0:15
15K
9.32 mi12:47:391:31:019:4630:10
9:43
-0:12
20K
12.43 mi13:17:302:00:529:4429:51
9:36
-0:07
Half
13.11 mi13:23:412:07:039:416:11
9:04
-0:32
25K
15.53 mi13:46:322:29:549:3922:51
9:25
+0:21
30K
18.64 mi14:16:543:00:169:4030:22
9:46
+0:21
20M
20.00 mi14:29:183:12:409:3812:24
9:07
-0:39
21M
21.00 mi14:39:013:22:239:389:43
9:43
+0:36
35K
21.75 mi14:45:043:28:269:356:03
8:05
-1:38
23M
23.00 mi14:56:093:39:319:3311:05
8:51
+0:46
24M
24.00 mi15:04:393:48:019:308:30
8:30
-0:21
40K
24.85 mi15:12:303:55:529:297:51
9:11
+0:41
25.2M
25.20 mi15:16:063:59:289:303:36
10:26
+1:15
Finish
26.22 mi15:24:494:08:119:288:43
8:33
-1:53

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

8:05 /mi

Average Pace

9:28 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

40:32

16% of race

Time at Steady Pace

2:22:51

58% of race

Time at Slower Pace

1:04:48

26% of race

Average Pace: 9:28 /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 mi11:46:3930:019:4030:01
9:40
#24732
10K
6.21 mi12:17:291:00:519:4830:50
9:55
#24956
15K
9.32 mi12:47:391:31:019:4630:10
9:43
#24740
20K
12.43 mi13:17:302:00:529:4429:51
9:36
#24366
Half
13.11 mi13:23:412:07:039:416:11
9:04
#24270
25K
15.53 mi13:46:322:29:549:3922:51
9:25
#23845
30K
18.64 mi14:16:543:00:169:4030:22
9:46
#23304
20M
20.00 mi14:29:183:12:409:3812:24
9:07
#22945
21M
21.00 mi14:39:013:22:239:389:43
9:43
#22675
35K
21.75 mi14:45:043:28:269:356:03
8:05
#22437
23M
23.00 mi14:56:093:39:319:3311:05
8:51
#22108
24M
24.00 mi15:04:393:48:019:308:30
8:30
#21853
40K
24.85 mi15:12:303:55:529:297:51
9:11
#21714
25.2M
25.20 mi15:16:063:59:289:303:36
10:26
#21665
Finish
26.22 mi15:24:494:08:119:288:43
8:33
#21496
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24732100781007824316(Top 86%)9848(Top 81%)9848(Top 180%)
10K6.21 mi3.10 mi24956-22410205-12710205-12725155(Top 89%)10317(Top 84%)10317(Top 189%)
15K9.32 mi3.11 mi24740+21610081+12410081+12424316(Top 86%)9848(Top 81%)9848(Top 180%)
20K12.43 mi3.11 mi24366+3749903+1789903+17823233(Top 82%)9263(Top 76%)9263(Top 169%)
Half13.11 mi0.68 mi24270+969848+559848+5522107(Top 78%)8664(Top 71%)8664(Top 158%)
25K15.53 mi2.42 mi23845+4259610+2389610+23821637(Top 76%)8446(Top 69%)8446(Top 154%)
30K18.64 mi3.11 mi23304+5419351+2599351+25920914(Top 74%)8184(Top 67%)8184(Top 150%)
20M20.00 mi1.36 mi22945+3599180+1719180+17117459(Top 61%)6404(Top 52%)6404(Top 117%)
21M21.00 mi1.00 mi22675+2709047+1339047+13317157(Top 60%)6355(Top 52%)6355(Top 116%)
35K21.75 mi0.75 mi22437+2388925+1228925+12212920(Top 45%)4139(Top 34%)4139(Top 76%)
23M23.00 mi1.25 mi22108+3298778+1478778+14715447(Top 54%)5581(Top 46%)5581(Top 102%)
24M24.00 mi1.00 mi21853+2558657+1218657+12114565(Top 51%)5150(Top 42%)5150(Top 94%)
40K24.85 mi0.85 mi21714+1398606+518606+5117301(Top 61%)6759(Top 55%)6759(Top 124%)
25.2M25.20 mi0.35 mi21665+498587+198587+1918867(Top 66%)7578(Top 62%)7578(Top 139%)
Finish26.22 mi1.02 mi21496+1698496+918496+9116620(Top 59%)6378(Top 52%)6378(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

24316

Females

9848

F18-39

9848

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

25155

Females

10317

F18-39

10317

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

24316

Females

9848

F18-39

9848

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

23233

Females

9263

F18-39

9263

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

22107

Females

8664

F18-39

8664

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

21637

Females

8446

F18-39

8446

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

20914

Females

8184

F18-39

8184

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

17459

Females

6404

F18-39

6404

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17157

Females

6355

F18-39

6355

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12920

Females

4139

F18-39

4139

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

15447

Females

5581

F18-39

5581

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

14565

Females

5150

F18-39

5150

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17301

Females

6759

F18-39

6759

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18867

Females

7578

F18-39

7578

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

16620

Females

6378

F18-39

6378

Passing Analysis

Category:
Athletes Passed
3649
Passed By
413
Net Change
+3236
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24732
5K → 10K117341-224#24732#24956
10K → 15K25741+216#24956#24740
15K → 20K38410+374#24740#24366
20K → Half982+96#24366#24270
Half → 25K4283+425#24270#23845
25K → 30K5476+541#23845#23304
30K → 20M3590+359#23304#22945
20M → 21M2711+270#22945#22675
21M → 35K2380+238#22675#22437
35K → 23M3290+329#22437#22108
23M → 24M2550+255#22108#21853
24M → 40K1401+139#21853#21714
40K → 25.2M567+49#21714#21665
25.2M → Finish1701+169#21665#21496
TOTALS3649413+3236
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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