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BOSTON MARATHON 2025

Maria Razzoli

Bib: 21851•F

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
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
9:15/mi
28:43
↑ 97↓ 3451.5%
10K· 6.21 mi
9:04/mi
56:52
↑ 79↓ 1380.4%
15K· 9.32 mi
8:55/mi
1:24:34
↑ 67↓ 78
20K· 12.43 mi
8:59/mi
1:52:30
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:58:28
↑ 19↓ 370.5%
25K· 15.53 mi
8:40/mi
2:19:28
↑ 66↓ 880.2%
30K· 18.64 mi
9:10/mi
2:47:57
↑ 181↓ 1480.2%
20M
8:59/mi
3:00:10
↑ 64↓ 500.2%
21M
9:18/mi
3:09:28
↑ 106↓ 241.6%
35K· 21.75 mi
8:41/mi
3:15:58
↑ 17↓ 861.7%
23M
8:48/mi
3:26:59
↑ 23↓ 630.6%
24M
8:31/mi
3:35:30
↓ 821.3%
40K· 24.85 mi
8:37/mi
3:42:52
↓ 200.3%
25.2M
9:11/mi
3:46:02
↑ 13↓ 160.2%
Finish· 26.22 mi
8:19/mi
3:54:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:58:28
Pace9:02 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:56:02
Pace8:51 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:4928:439:1528:43
9:15
-
10K
6.21 mi11:51:5856:529:0928:09
9:04
-0:11
15K
9.32 mi12:19:401:24:349:0427:42
8:55
-0:09
20K
12.43 mi12:47:361:52:309:0327:56
8:59
+0:04
Half
13.11 mi12:53:341:58:289:025:58
8:45
-0:14
25K
15.53 mi13:14:342:19:288:5921:00
8:40
-0:05
30K
18.64 mi13:43:032:47:579:0128:29
9:10
+0:30
20M
20.00 mi13:55:163:00:109:0012:13
8:59
-0:11
21M
21.00 mi14:04:343:09:289:019:18
9:18
+0:19
35K
21.75 mi14:11:043:15:589:016:30
8:41
-0:37
23M
23.00 mi14:22:053:26:599:0011:01
8:48
+0:07
24M
24.00 mi14:30:363:35:308:598:31
8:31
-0:17
40K
24.85 mi14:37:583:42:528:587:22
8:37
+0:06
25.2M
25.20 mi14:41:083:46:028:583:10
9:11
+0:34
Finish
26.22 mi14:49:363:54:308:578:28
8:19
-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

8:19 /mi

Average Pace

8:57 /mi

Slowest Pace

9:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:50

70% of race

Time at Steady Pace

1:09:40

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:57 /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 mi11:23:4928:439:1528:43
9:15
#23366
10K
6.21 mi11:51:5856:529:0928:09
9:04
#23029
15K
9.32 mi12:19:401:24:349:0427:42
8:55
#22588
20K
12.43 mi12:47:361:52:309:0327:56
8:59
#22169
Half
13.11 mi12:53:341:58:289:025:58
8:45
#22089
25K
15.53 mi13:14:342:19:288:5921:00
8:40
#21465
30K
18.64 mi13:43:032:47:579:0128:29
9:10
#20918
20M
20.00 mi13:55:163:00:109:0012:13
8:59
#20600
21M
21.00 mi14:04:343:09:289:019:18
9:18
#20303
35K
21.75 mi14:11:043:15:589:016:30
8:41
#20177
23M
23.00 mi14:22:053:26:599:0011:01
8:48
#19914
24M
24.00 mi14:30:363:35:308:598:31
8:31
#19690
40K
24.85 mi14:37:583:42:528:587:22
8:37
#19498
25.2M
25.20 mi14:41:083:46:028:583:10
9:11
#19405
Finish
26.22 mi14:49:363:54:308:578:28
8:19
#19247
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi233669365936521649(Top 76%)8351(Top 68%)8351(Top 641%)
10K6.21 mi3.10 mi23029+3379165+2009165+20022652(Top 80%)8946(Top 73%)8946(Top 687%)
15K9.32 mi3.11 mi22588+4418900+2658900+26521649(Top 76%)8351(Top 68%)8351(Top 641%)
20K12.43 mi3.11 mi22169+4198687+2138687+21320918(Top 74%)8003(Top 65%)8003(Top 614%)
Half13.11 mi0.68 mi22089+808647+408647+4020659(Top 73%)7844(Top 64%)7844(Top 602%)
25K15.53 mi2.42 mi21465+6248301+3468301+34618175(Top 64%)6526(Top 53%)6526(Top 501%)
30K18.64 mi3.11 mi20918+5478043+2588043+25818500(Top 65%)6838(Top 56%)6838(Top 525%)
20M20.00 mi1.36 mi20600+3187887+1567887+15616772(Top 59%)6025(Top 49%)6025(Top 462%)
21M21.00 mi1.00 mi20303+2977749+1387749+13815191(Top 53%)5295(Top 43%)5295(Top 406%)
35K21.75 mi0.75 mi20177+1267694+557694+5516677(Top 59%)6173(Top 50%)6173(Top 474%)
23M23.00 mi1.25 mi19914+2637571+1237571+12315144(Top 53%)5423(Top 44%)5423(Top 416%)
24M24.00 mi1.00 mi19690+2247473+987473+9814677(Top 52%)5213(Top 43%)5213(Top 400%)
40K24.85 mi0.85 mi19498+1927378+957378+9514209(Top 50%)5089(Top 42%)5089(Top 391%)
25.2M25.20 mi0.35 mi19405+937332+467332+4612949(Top 46%)4507(Top 37%)4507(Top 346%)
Finish26.22 mi1.02 mi19247+1587272+607272+6015016(Top 53%)5501(Top 45%)5501(Top 422%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

21649

Females

8351

F50-54

8351

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22652

Females

8946

F50-54

8946

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

21649

Females

8351

F50-54

8351

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

20918

Females

8003

F50-54

8003

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20659

Females

7844

F50-54

7844

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

18175

Females

6526

F50-54

6526

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18500

Females

6838

F50-54

6838

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

16772

Females

6025

F50-54

6025

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

15191

Females

5295

F50-54

5295

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

16677

Females

6173

F50-54

6173

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

15144

Females

5423

F50-54

5423

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

14677

Females

5213

F50-54

5213

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14209

Females

5089

F50-54

5089

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12949

Females

4507

F50-54

4507

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

15016

Females

5501

F50-54

5501

Passing Analysis

Category:
Athletes Passed
4303
Passed By
184
Net Change
+4119
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23366
5K → 10K439102+337#23366#23029
10K → 15K46120+441#23029#22588
15K → 20K44122+419#22588#22169
20K → Half866+80#22169#22089
Half → 25K6240+624#22089#21465
25K → 30K5558+547#21465#20918
30K → 20M3257+318#20918#20600
20M → 21M3003+297#20600#20303
21M → 35K1304+126#20303#20177
35K → 23M2685+263#20177#19914
23M → 24M2251+224#19914#19690
24M → 40K1931+192#19690#19498
40K → 25.2M930+93#19498#19405
25.2M → Finish1635+158#19405#19247
TOTALS4303184+4119
📊

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