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BOSTON MARATHON 2025

Alessandra Scodinu

Bib: 19672•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 32%
Masters (Masters Women)
#0 / 6759
Top 17%
Division (F50-54)
#0 / 1303
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:52
Rank: #10972
Start → 5K
22:52 | 7:22/mi
10K· 6.21 mi
45:44
Rank: #10880 (+92)
5K → 10K
22:52 | 7:22/mi
15K· 9.32 mi
1:08:50
Rank: #10935 (-55)
10K → 15K
23:06 | 7:26/mi
20K· 12.43 mi
1:33:22
Rank: #11755 (-820)
15K → 20K
24:32 | 7:54/mi
Half· 13.11 mi
1:38:24
Rank: #11698 (+57)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:57:25
Rank: #11837 (-139)
Half → 25K
19:01 | 7:51/mi
30K· 18.64 mi
2:24:02
Rank: #12486 (-649)
25K → 30K
26:37 | 8:34/mi
20M
2:36:16
Rank: #12851 (-365)
30K → 20M
12:14 | 9:00/mi
21M
2:45:16
Rank: #12874 (-23)
20M → 21M
9:00 | 9:00/mi
35K· 21.75 mi
2:51:31
Rank: #12916 (-42)
21M → 35K
6:15 | 8:21/mi
23M
3:02:06
Rank: #12898 (+18)
35K → 23M
10:35 | 8:27/mi
24M
3:10:28
Rank: #12942 (-44)
23M → 24M
8:22 | 8:22/mi
40K· 24.85 mi
3:18:34
Rank: #13186 (-244)
24M → 40K
8:06 | 9:28/mi
25.2M
3:21:46
Rank: #13191 (-5)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:30:02
Rank: #13233 (-42)
25.2M → Finish
8:16 | 8:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:24
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:51:38
Pace8:31 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0022:527:2222:52
7:22
-
10K
6.21 mi11:37:5245:447:2222:52
7:22
0:00
15K
9.32 mi12:00:581:08:507:2323:06
7:26
+0:04
20K
12.43 mi12:25:301:33:227:3124:32
7:54
+0:28
Half
13.11 mi12:30:321:38:247:305:02
7:23
-0:31
25K
15.53 mi12:49:331:57:257:3419:01
7:51
+0:28
30K
18.64 mi13:16:102:24:027:4426:37
8:34
+0:43
20M
20.00 mi13:28:242:36:167:4912:14
9:00
+0:26
21M
21.00 mi13:37:242:45:167:529:00
9:00
0:00
35K
21.75 mi13:43:392:51:317:536:15
8:21
-0:39
23M
23.00 mi13:54:143:02:067:5510:35
8:27
+0:06
24M
24.00 mi14:02:363:10:287:568:22
8:22
-0:05
40K
24.85 mi14:10:423:18:347:598:06
9:28
+1:06
25.2M
25.20 mi14:13:543:21:468:003:12
9:17
-0:11
Finish
26.22 mi14:22:103:30:028:018:16
8:07
-1:10

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

7:22 /mi

Average Pace

8:01 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:25

56% of race

Time at Steady Pace

1:00:05

29% of race

Time at Slower Pace

32:32

15% of race

Average Pace: 8:01 /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 mi11:15:0022:527:2222:52
7:22
#10972
10K
6.21 mi11:37:5245:447:2222:52
7:22
#10880
15K
9.32 mi12:00:581:08:507:2323:06
7:26
#10935
20K
12.43 mi12:25:301:33:227:3124:32
7:54
#11755
Half
13.11 mi12:30:321:38:247:305:02
7:23
#11698
25K
15.53 mi12:49:331:57:257:3419:01
7:51
#11837
30K
18.64 mi13:16:102:24:027:4426:37
8:34
#12486
20M
20.00 mi13:28:242:36:167:4912:14
9:00
#12851
21M
21.00 mi13:37:242:45:167:529:00
9:00
#12874
35K
21.75 mi13:43:392:51:317:536:15
8:21
#12916
23M
23.00 mi13:54:143:02:067:5510:35
8:27
#12898
24M
24.00 mi14:02:363:10:287:568:22
8:22
#12942
40K
24.85 mi14:10:423:18:347:598:06
9:28
#13186
25.2M
25.20 mi14:13:543:21:468:003:12
9:17
#13191
Finish
26.22 mi14:22:103:30:028:018:16
8:07
#13233
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi109722275227511215(Top 39%)2488(Top 20%)2488(Top 191%)
10K6.21 mi3.10 mi10880+922250+252250+2510849(Top 38%)2229(Top 18%)2229(Top 171%)
15K9.32 mi3.11 mi10935-552285-352285-3511215(Top 39%)2488(Top 20%)2488(Top 191%)
20K12.43 mi3.11 mi11755-8202746-4612746-46114071(Top 50%)4131(Top 34%)4131(Top 317%)
Half13.11 mi0.68 mi11698+572716+302716+3010776(Top 38%)2341(Top 19%)2341(Top 180%)
25K15.53 mi2.42 mi11837-1392839-1232839-12312716(Top 45%)3513(Top 29%)3513(Top 270%)
30K18.64 mi3.11 mi12486-6493262-4233262-42315185(Top 53%)5004(Top 41%)5004(Top 384%)
20M20.00 mi1.36 mi12851-3653500-2383500-23816803(Top 59%)6028(Top 49%)6028(Top 463%)
21M21.00 mi1.00 mi12874-233546-463546-4613522(Top 48%)4370(Top 36%)4370(Top 335%)
35K21.75 mi0.75 mi12916-423581-353581-3514614(Top 51%)5017(Top 41%)5017(Top 385%)
23M23.00 mi1.25 mi12898+183606-253606-2513025(Top 46%)4282(Top 35%)4282(Top 329%)
24M24.00 mi1.00 mi12942-443673-673673-6713673(Top 48%)4647(Top 38%)4647(Top 357%)
40K24.85 mi0.85 mi13186-2443831-1583831-15818611(Top 66%)7427(Top 61%)7427(Top 570%)
25.2M25.20 mi0.35 mi13191-53847-163847-1613383(Top 47%)4692(Top 38%)4692(Top 360%)
Finish26.22 mi1.02 mi13233-423889-423889-4213692(Top 48%)4790(Top 39%)4790(Top 368%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

11215

Females

2488

F50-54

2488

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10849

Females

2229

F50-54

2229

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

11215

Females

2488

F50-54

2488

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14071

Females

4131

F50-54

4131

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10776

Females

2341

F50-54

2341

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12716

Females

3513

F50-54

3513

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

15185

Females

5004

F50-54

5004

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

16803

Females

6028

F50-54

6028

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

13522

Females

4370

F50-54

4370

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

14614

Females

5017

F50-54

5017

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13025

Females

4282

F50-54

4282

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13673

Females

4647

F50-54

4647

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18611

Females

7427

F50-54

7427

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13383

Females

4692

F50-54

4692

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13692

Females

4790

F50-54

4790

Passing Analysis

Category:
Athletes Passed
1273
Passed By
3534
Net Change
-2261
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10972
5K → 10K308216+92#10972#10880
10K → 15K154209-55#10880#10935
15K → 20K37857-820#10935#11755
20K → Half636+57#11755#11698
Half → 25K124263-139#11698#11837
25K → 30K101750-649#11837#12486
30K → 20M49414-365#12486#12851
20M → 21M97120-23#12851#12874
21M → 35K4082-42#12874#12916
35K → 23M118100+18#12916#12898
23M → 24M69113-44#12898#12942
24M → 40K24268-244#12942#13186
40K → 25.2M3540-5#13186#13191
25.2M → Finish5496-42#13191#13233
TOTALS12733534-2261
📊

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