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BOSTON MARATHON 2025

Lydia Marzot

Bib: 17728•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 21%
Division (F18-39)
#0 / 5469
Top 36%
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
7:26/mi
23:05
↑ 97↓ 3451.5%
10K· 6.21 mi
7:20/mi
45:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:23/mi
1:08:49
↑ 67↓ 78
20K· 12.43 mi
7:24/mi
1:31:48
↑ 106↓ 860.1%
Half· 13.11 mi
7:24/mi
1:36:51
↑ 19↓ 370.5%
25K· 15.53 mi
7:31/mi
1:55:04
↑ 66↓ 880.2%
30K· 18.64 mi
8:25/mi
2:21:12
↑ 181↓ 1480.2%
20M
9:02/mi
2:33:28
↑ 64↓ 500.2%
21M
8:04/mi
2:41:32
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:47:25
↑ 17↓ 861.7%
23M
7:48/mi
2:57:11
↑ 23↓ 630.6%
24M
7:52/mi
3:05:03
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:11:31
↓ 200.3%
25.2M
8:10/mi
3:14:20
↑ 13↓ 160.2%
Finish· 26.22 mi
7:03/mi
3:21:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:51
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:44:40
Pace7:59 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4423:057:2623:05
7:26
-
10K
6.21 mi11:36:3145:527:2322:47
7:20
-0:06
15K
9.32 mi11:59:281:08:497:2322:57
7:23
+0:03
20K
12.43 mi12:22:271:31:487:2322:59
7:24
+0:01
Half
13.11 mi12:27:301:36:517:235:03
7:24
0:00
25K
15.53 mi12:45:431:55:047:2418:13
7:31
+0:07
30K
18.64 mi13:11:512:21:127:3426:08
8:25
+0:54
20M
20.00 mi13:24:072:33:287:4012:16
9:02
+0:37
21M
21.00 mi13:32:112:41:327:428:04
8:04
-0:58
35K
21.75 mi13:38:042:47:257:425:53
7:52
-0:12
23M
23.00 mi13:47:502:57:117:429:46
7:48
-0:04
24M
24.00 mi13:55:423:05:037:437:52
7:52
+0:04
40K
24.85 mi14:02:103:11:317:426:28
7:34
-0:18
25.2M
25.20 mi14:04:593:14:207:432:49
8:10
+0:36
Finish
26.22 mi14:12:103:21:317:417:11
7:03
-1:07

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

7:03 /mi

Average Pace

7:41 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:11

4% of race

Time at Steady Pace

2:11:18

65% of race

Time at Slower Pace

1:03:02

31% of race

Average Pace: 7:41 /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 mi11:13:4423:057:2623:05
7:26
#11630
10K
6.21 mi11:36:3145:527:2322:47
7:20
#11075
15K
9.32 mi11:59:281:08:497:2322:57
7:23
#10912
20K
12.43 mi12:22:271:31:487:2322:59
7:24
#10637
Half
13.11 mi12:27:301:36:517:235:03
7:24
#10650
25K
15.53 mi12:45:431:55:047:2418:13
7:31
#10522
30K
18.64 mi13:11:512:21:127:3426:08
8:25
#11239
20M
20.00 mi13:24:072:33:287:4012:16
9:02
#11666
21M
21.00 mi13:32:112:41:327:428:04
8:04
#11392
35K
21.75 mi13:38:042:47:257:425:53
7:52
#11376
23M
23.00 mi13:47:502:57:117:429:46
7:48
#11164
24M
24.00 mi13:55:423:05:037:437:52
7:52
#11090
40K
24.85 mi14:02:103:11:317:426:28
7:34
#10898
25.2M
25.20 mi14:04:593:14:207:432:49
8:10
#10827
Finish
26.22 mi14:12:103:21:317:417:11
7:03
#10596
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi116302594259410767(Top 38%)2254(Top 18%)2254(Top 41%)
10K6.21 mi3.10 mi11075+5552334+2602334+26010618(Top 37%)2120(Top 17%)2120(Top 39%)
15K9.32 mi3.11 mi10912+1632276+582276+5810767(Top 38%)2254(Top 18%)2254(Top 41%)
20K12.43 mi3.11 mi10637+2752167+1092167+1099907(Top 35%)1917(Top 16%)1917(Top 35%)
Half13.11 mi0.68 mi10650-132167216710966(Top 39%)2408(Top 20%)2408(Top 44%)
25K15.53 mi2.42 mi10522+1282142+252142+2510100(Top 36%)2142(Top 18%)2142(Top 39%)
30K18.64 mi3.11 mi11239-7172587-4452587-44514207(Top 50%)4481(Top 37%)4481(Top 82%)
20M20.00 mi1.36 mi11666-4272857-2702857-27016935(Top 60%)6094(Top 50%)6094(Top 111%)
21M21.00 mi1.00 mi11392+2742760+972760+977793(Top 27%)1639(Top 13%)1639(Top 30%)
35K21.75 mi0.75 mi11376+162772-122772-1211311(Top 40%)3263(Top 27%)3263(Top 60%)
23M23.00 mi1.25 mi11164+2122700+722700+728619(Top 30%)2097(Top 17%)2097(Top 38%)
24M24.00 mi1.00 mi11090+742705-52705-510342(Top 36%)2964(Top 24%)2964(Top 54%)
40K24.85 mi0.85 mi10898+1922637+682637+687231(Top 25%)1661(Top 14%)1661(Top 30%)
25.2M25.20 mi0.35 mi10827+712613+242613+246978(Top 25%)1650(Top 13%)1650(Top 30%)
Finish26.22 mi1.02 mi10596+2312518+952518+956102(Top 21%)1299(Top 11%)1299(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10767

Females

2254

F18-39

2254

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10618

Females

2120

F18-39

2120

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10767

Females

2254

F18-39

2254

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9907

Females

1917

F18-39

1917

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10966

Females

2408

F18-39

2408

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10100

Females

2142

F18-39

2142

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14207

Females

4481

F18-39

4481

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

16935

Females

6094

F18-39

6094

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7793

Females

1639

F18-39

1639

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

11311

Females

3263

F18-39

3263

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8619

Females

2097

F18-39

2097

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10342

Females

2964

F18-39

2964

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7231

Females

1661

F18-39

1661

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6978

Females

1650

F18-39

1650

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

6102

Females

1299

F18-39

1299

Passing Analysis

Category:
Athletes Passed
2816
Passed By
1781
Net Change
+1034
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11630
5K → 10K64186+555#11630#11075
10K → 15K25592+163#11075#10912
15K → 20K32045+275#10912#10637
20K → Half3346-13#10637#10650
Half → 25K22597+128#10650#10522
25K → 30K77793-717#10522#11239
30K → 20M45472-427#11239#11666
20M → 21M2828+274#11666#11392
21M → 35K7155+16#11392#11376
35K → 23M22917+212#11376#11164
23M → 24M12248+74#11164#11090
24M → 40K1964+192#11090#10898
40K → 25.2M809+71#10898#10827
25.2M → Finish2409+231#10827#10596
TOTALS28161781+1034
📊

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