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BOSTON MARATHON 2025

Lucia Buzzell

Bib: 30942•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

Start
0:00:00
Race begins
5K· 3.11 mi
30:03
Rank: #24768
Start → 5K
9:40/mi
30:03 split
10K· 6.21 mi
58:42
Rank: #24029 (+739)
5K → 10K
9:13/mi
28:39 split
15K· 9.32 mi
1:27:54
Rank: #23838 (+191)
10K → 15K
9:24/mi
29:12 split
20K· 12.43 mi
1:56:56
Rank: #23497 (+341)
15K → 20K
9:21/mi
29:02 split
Half· 13.11 mi
2:03:15
Rank: #23457 (+40)
20K → Half
9:16/mi
6:19 split
25K· 15.53 mi
2:26:36
Rank: #23234 (+223)
Half → 25K
9:38/mi
23:21 split
30K· 18.64 mi
2:56:50
Rank: #22767 (+467)
25K → 30K
9:44/mi
30:14 split
20M
3:11:05
Rank: #22728 (+39)
30K → 20M
10:29/mi
14:15 split
21M
3:21:54
Rank: #22614 (+114)
20M → 21M
10:49/mi
10:49 split
35K· 21.75 mi
3:29:31
Rank: #22580 (+34)
21M → 35K
10:11/mi
7:37 split
23M
3:43:13
Rank: #22614 (-34)
35K → 23M
10:57/mi
13:42 split
24M
3:53:29
Rank: #22567 (+47)
23M → 24M
10:16/mi
10:16 split
40K· 24.85 mi
4:02:10
Rank: #22510 (+57)
24M → 40K
10:09/mi
8:41 split
25.2M
4:05:49
Rank: #22464 (+46)
40K → 25.2M
10:35/mi
3:39 split
Finish· 26.22 mi
4:15:01
Rank: #22348 (+116)
25.2M → Finish
9:02/mi
9:12 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:15
Pace9:24 /mi
2nd Half
Distance13.11 mi
Time2:11:46
Pace10:03 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3130:039:4030:03
9:40
-
10K
6.21 mi12:19:1058:429:2728:39
9:13
-0:27
15K
9.32 mi12:48:221:27:549:2629:12
9:24
+0:11
20K
12.43 mi13:17:241:56:569:2529:02
9:21
-0:03
Half
13.11 mi13:23:432:03:159:246:19
9:16
-0:05
25K
15.53 mi13:47:042:26:369:2623:21
9:38
+0:22
30K
18.64 mi14:17:182:56:509:2930:14
9:44
+0:06
20M
20.00 mi14:31:333:11:059:3314:15
10:29
+0:45
21M
21.00 mi14:42:223:21:549:3710:49
10:49
+0:20
35K
21.75 mi14:49:593:29:319:387:37
10:11
-0:38
23M
23.00 mi15:03:413:43:139:4213:42
10:57
+0:46
24M
24.00 mi15:13:573:53:299:4410:16
10:16
-0:41
40K
24.85 mi15:22:384:02:109:458:41
10:09
-0:07
25.2M
25.20 mi15:26:174:05:499:453:39
10:35
+0:26
Finish
26.22 mi15:35:294:15:019:449:12
9:02
-1:33

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

9:02 /mi

Average Pace

9:44 /mi

Slowest Pace

10:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:24

40% of race

Time at Steady Pace

1:23:38

33% of race

Time at Slower Pace

1:08:59

27% of race

Average Pace: 9:44 /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 mi11:50:3130:039:4030:03
9:40
#24768
10K
6.21 mi12:19:1058:429:2728:39
9:13
#24029
15K
9.32 mi12:48:221:27:549:2629:12
9:24
#23838
20K
12.43 mi13:17:241:56:569:2529:02
9:21
#23497
Half
13.11 mi13:23:432:03:159:246:19
9:16
#23457
25K
15.53 mi13:47:042:26:369:2623:21
9:38
#23234
30K
18.64 mi14:17:182:56:509:2930:14
9:44
#22767
20M
20.00 mi14:31:333:11:059:3314:15
10:29
#22728
21M
21.00 mi14:42:223:21:549:3710:49
10:49
#22614
35K
21.75 mi14:49:593:29:319:387:37
10:11
#22580
23M
23.00 mi15:03:413:43:139:4213:42
10:57
#22614
24M
24.00 mi15:13:573:53:299:4410:16
10:16
#22567
40K
24.85 mi15:22:384:02:109:458:41
10:09
#22510
25.2M
25.20 mi15:26:174:05:499:453:39
10:35
#22464
Finish
26.22 mi15:35:294:15:019:449:12
9:02
#22348
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24768100931009323475(Top 83%)9362(Top 77%)9362(Top 171%)
10K6.21 mi3.10 mi24029+7399701+3929701+39223286(Top 82%)9290(Top 76%)9290(Top 170%)
15K9.32 mi3.11 mi23838+1919589+1129589+11223475(Top 83%)9362(Top 77%)9362(Top 171%)
20K12.43 mi3.11 mi23497+3419403+1869403+18622413(Top 79%)8812(Top 72%)8812(Top 161%)
Half13.11 mi0.68 mi23457+409374+299374+2922840(Top 80%)9056(Top 74%)9056(Top 166%)
25K15.53 mi2.42 mi23234+2239259+1159259+11522298(Top 79%)8814(Top 72%)8814(Top 161%)
30K18.64 mi3.11 mi22767+4679051+2089051+20820791(Top 73%)8114(Top 66%)8114(Top 148%)
20M20.00 mi1.36 mi22728+399061-109061-1022383(Top 79%)9100(Top 74%)9100(Top 166%)
21M21.00 mi1.00 mi22614+1149008+539008+5320908(Top 74%)8405(Top 69%)8405(Top 154%)
35K21.75 mi0.75 mi22580+349007+19007+122392(Top 79%)9229(Top 75%)9229(Top 169%)
23M23.00 mi1.25 mi22614-349053-469053-4623099(Top 81%)9655(Top 79%)9655(Top 177%)
24M24.00 mi1.00 mi22567+479055-29055-222146(Top 78%)9213(Top 75%)9213(Top 168%)
40K24.85 mi0.85 mi22510+579036+199036+1920969(Top 74%)8655(Top 71%)8655(Top 158%)
25.2M25.20 mi0.35 mi22464+469018+189018+1819364(Top 68%)7852(Top 64%)7852(Top 144%)
Finish26.22 mi1.02 mi22348+1168975+438975+4319220(Top 68%)7736(Top 63%)7736(Top 141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

23475

Females

9362

F18-39

9362

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

23286

Females

9290

F18-39

9290

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

23475

Females

9362

F18-39

9362

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

22413

Females

8812

F18-39

8812

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

22840

Females

9056

F18-39

9056

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

22298

Females

8814

F18-39

8814

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20791

Females

8114

F18-39

8114

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

22383

Females

9100

F18-39

9100

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

20908

Females

8405

F18-39

8405

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

22392

Females

9229

F18-39

9229

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

23099

Females

9655

F18-39

9655

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22146

Females

9213

F18-39

9213

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

20969

Females

8655

F18-39

8655

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19364

Females

7852

F18-39

7852

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19220

Females

7736

F18-39

7736

Passing Analysis

Category:
Athletes Passed
2830
Passed By
410
Net Change
+2420
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24768
5K → 10K76223+739#24768#24029
10K → 15K26170+191#24029#23838
15K → 20K35918+341#23838#23497
20K → Half499+40#23497#23457
Half → 25K25128+223#23457#23234
25K → 30K4769+467#23234#22767
30K → 20M9758+39#22767#22728
20M → 21M13824+114#22728#22614
21M → 35K6127+34#22614#22580
35K → 23M6094-34#22580#22614
23M → 24M7730+47#22614#22567
24M → 40K7013+57#22567#22510
40K → 25.2M471+46#22510#22464
25.2M → Finish1226+116#22464#22348
TOTALS2830410+2420
📊

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