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BOSTON MARATHON 2025

Alessandra Masone

Bib: 16662•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 33%
Gender (Female)
#0 / 12228
Top 15%
Division (F18-39)
#0 / 5469
Top 28%
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
7:14/mi
22:27
↑ 97↓ 3451.5%
10K· 6.21 mi
7:18/mi
45:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:17/mi
1:07:46
↑ 67↓ 78
20K· 12.43 mi
7:21/mi
1:30:37
↑ 106↓ 860.1%
Half· 13.11 mi
7:11/mi
1:35:31
↑ 19↓ 370.5%
25K· 15.53 mi
7:19/mi
1:53:16
↑ 66↓ 880.2%
30K· 18.64 mi
7:36/mi
2:16:52
↑ 181↓ 1480.2%
20M
8:00/mi
2:27:44
↑ 64↓ 500.2%
21M
8:39/mi
2:36:23
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:42:06
↑ 17↓ 861.7%
23M
8:02/mi
2:52:10
↑ 23↓ 630.6%
24M
8:10/mi
3:00:20
↓ 821.3%
40K· 24.85 mi
7:33/mi
3:06:47
↓ 200.3%
25.2M
8:27/mi
3:09:42
↑ 13↓ 160.2%
Finish· 26.22 mi
7:23/mi
3:17:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:31
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:41:42
Pace7:45 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1022:277:1422:27
7:14
-
10K
6.21 mi11:18:5145:087:1622:41
7:18
+0:04
15K
9.32 mi11:41:291:07:467:1622:38
7:17
-0:01
20K
12.43 mi12:04:201:30:377:1822:51
7:21
+0:04
Half
13.11 mi12:09:141:35:317:174:54
7:11
-0:10
25K
15.53 mi12:26:591:53:167:1717:45
7:19
+0:08
30K
18.64 mi12:50:352:16:527:2123:36
7:36
+0:17
20M
20.00 mi13:01:272:27:447:2310:52
8:00
+0:24
21M
21.00 mi13:10:062:36:237:278:39
8:39
+0:39
35K
21.75 mi13:15:492:42:067:275:43
7:38
-1:01
23M
23.00 mi13:25:532:52:107:2910:04
8:02
+0:24
24M
24.00 mi13:34:033:00:207:318:10
8:10
+0:08
40K
24.85 mi13:40:303:06:477:316:27
7:33
-0:37
25.2M
25.20 mi13:43:253:09:427:322:55
8:27
+0:54
Finish
26.22 mi13:50:563:17:137:327:31
7:23
-1:04

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

7:11 /mi

Average Pace

7:32 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:25

46% of race

Time at Steady Pace

1:06:08

34% of race

Time at Slower Pace

40:40

21% of race

Average Pace: 7:31 /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 mi10:56:1022:277:1422:27
7:14
#9700
10K
6.21 mi11:18:5145:087:1622:41
7:18
#10026
15K
9.32 mi11:41:291:07:467:1622:38
7:17
#9954
20K
12.43 mi12:04:201:30:377:1822:51
7:21
#9800
Half
13.11 mi12:09:141:35:317:174:54
7:11
#9751
25K
15.53 mi12:26:591:53:167:1717:45
7:19
#9501
30K
18.64 mi12:50:352:16:527:2123:36
7:36
#9227
20M
20.00 mi13:01:272:27:447:2310:52
8:00
#9279
21M
21.00 mi13:10:062:36:237:278:39
8:39
#9376
35K
21.75 mi13:15:492:42:067:275:43
7:38
#9366
23M
23.00 mi13:25:532:52:107:2910:04
8:02
#9374
24M
24.00 mi13:34:033:00:207:318:10
8:10
#9486
40K
24.85 mi13:40:303:06:477:316:27
7:33
#9373
25.2M
25.20 mi13:43:253:09:427:322:55
8:27
#9332
Finish
26.22 mi13:50:563:17:137:327:31
7:23
#9276
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9700167416749896(Top 35%)1842(Top 15%)1842(Top 34%)
10K6.21 mi3.10 mi10026-3261823-1491823-14910365(Top 36%)1993(Top 16%)1993(Top 36%)
15K9.32 mi3.11 mi9954+721820+31820+39896(Top 35%)1842(Top 15%)1842(Top 34%)
20K12.43 mi3.11 mi9800+1541775+451775+459522(Top 34%)1749(Top 14%)1749(Top 32%)
Half13.11 mi0.68 mi9751+491755+201755+209018(Top 32%)1519(Top 12%)1519(Top 28%)
25K15.53 mi2.42 mi9501+2501683+721683+728539(Top 30%)1449(Top 12%)1449(Top 26%)
30K18.64 mi3.11 mi9227+2741609+741609+748438(Top 30%)1577(Top 13%)1577(Top 29%)
20M20.00 mi1.36 mi9279-521664-551664-5510430(Top 37%)2644(Top 22%)2644(Top 48%)
21M21.00 mi1.00 mi9376-971742-781742-7811377(Top 40%)3278(Top 27%)3278(Top 60%)
35K21.75 mi0.75 mi9366+101762-201762-209654(Top 34%)2429(Top 20%)2429(Top 44%)
23M23.00 mi1.25 mi9374-81803-411803-4110336(Top 36%)2894(Top 24%)2894(Top 53%)
24M24.00 mi1.00 mi9486-1121891-881891-8812355(Top 43%)3961(Top 32%)3961(Top 72%)
40K24.85 mi0.85 mi9373+1131873+181873+187093(Top 25%)1595(Top 13%)1595(Top 29%)
25.2M25.20 mi0.35 mi9332+411877-41877-48608(Top 30%)2321(Top 19%)2321(Top 42%)
Finish26.22 mi1.02 mi9276+561887-101887-108347(Top 29%)2209(Top 18%)2209(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9896

Females

1842

F18-39

1842

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10365

Females

1993

F18-39

1993

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9896

Females

1842

F18-39

1842

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9522

Females

1749

F18-39

1749

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

9018

Females

1519

F18-39

1519

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8539

Females

1449

F18-39

1449

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8438

Females

1577

F18-39

1577

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

10430

Females

2644

F18-39

2644

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

11377

Females

3278

F18-39

3278

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9654

Females

2429

F18-39

2429

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

10336

Females

2894

F18-39

2894

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12355

Females

3961

F18-39

3961

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7093

Females

1595

F18-39

1595

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8608

Females

2321

F18-39

2321

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

8347

Females

2209

F18-39

2209

Passing Analysis

Category:
Athletes Passed
1941*
Passed By
1515
Net Change
+424
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9700
5K → 10K116440-326#9700#10026
10K → 15K208*136+72#10026#9954
15K → 20K257103+154#9954#9800
20K → Half6314+49#9800#9751
Half → 25K28838+250#9751#9501
25K → 30K34975+274#9501#9227
30K → 20M81133-52#9227#9279
20M → 21M61158-97#9279#9376
21M → 35K6454+10#9376#9366
35K → 23M107115-8#9366#9374
23M → 24M57169-112#9374#9486
24M → 40K12916+113#9486#9373
40K → 25.2M6221+41#9373#9332
25.2M → Finish9943+56#9332#9276
TOTALS1941*1515+424

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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