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BOSTON MARATHON 2025

Elizabeth Duclos-Orsello

Bib: 23752•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Masters (Masters Women)
#0 / 6759
Top 38%
Division (F50-54)
#0 / 1303
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:08
Rank: #19383
Start → 5K
26:08 | 8:25/mi
10K· 6.21 mi
51:29
Rank: #18515 (+868)
5K → 10K
25:21 | 8:10/mi
15K· 9.32 mi
1:16:40
Rank: #17928 (+587)
10K → 15K
25:11 | 8:06/mi
20K· 12.43 mi
1:42:07
Rank: #17459 (+469)
15K → 20K
25:27 | 8:11/mi
Half· 13.11 mi
1:47:36
Rank: #17380 (+79)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:07:55
Rank: #17181 (+199)
Half → 25K
20:19 | 8:23/mi
30K· 18.64 mi
2:34:55
Rank: #16897 (+284)
25K → 30K
27:00 | 8:41/mi
20M
2:47:14
Rank: #16899 (-2)
30K → 20M
12:19 | 9:04/mi
21M
2:57:15
Rank: #16952 (-53)
20M → 21M
10:01 | 10:01/mi
35K· 21.75 mi
3:03:36
Rank: #16878 (+74)
21M → 35K
6:21 | 8:29/mi
23M
3:15:15
Rank: #16950 (-72)
35K → 23M
11:39 | 9:18/mi
24M
3:24:00
Rank: #16888 (+62)
23M → 24M
8:45 | 8:45/mi
40K· 24.85 mi
3:31:57
Rank: #16938 (-50)
24M → 40K
7:57 | 9:18/mi
25.2M
3:35:42
Rank: #17017 (-79)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
3:44:29
Rank: #17009 (+8)
25.2M → Finish
8:47 | 8:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:36
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:56:53
Pace8:55 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:1326:088:2526:08
8:25
-
10K
6.21 mi11:50:3451:298:1725:21
8:10
-0:15
15K
9.32 mi12:15:451:16:408:1425:11
8:06
-0:04
20K
12.43 mi12:41:121:42:078:1325:27
8:11
+0:05
Half
13.11 mi12:46:411:47:368:125:29
8:02
-0:09
25K
15.53 mi13:07:002:07:558:1420:19
8:23
+0:21
30K
18.64 mi13:34:002:34:558:1927:00
8:41
+0:18
20M
20.00 mi13:46:192:47:148:2212:19
9:04
+0:23
21M
21.00 mi13:56:202:57:158:2610:01
10:01
+0:57
35K
21.75 mi14:02:413:03:368:276:21
8:29
-1:32
23M
23.00 mi14:14:203:15:158:2911:39
9:18
+0:49
24M
24.00 mi14:23:053:24:008:308:45
8:45
-0:33
40K
24.85 mi14:31:023:31:578:327:57
9:18
+0:33
25.2M
25.20 mi14:34:473:35:428:343:45
10:52
+1:34
Finish
26.22 mi14:43:343:44:298:348:47
8:37
-2:15

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

8:02 /mi

Average Pace

8:34 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:28

36% of race

Time at Steady Pace

1:37:20

43% of race

Time at Slower Pace

45:41

20% of race

Average Pace: 8:34 /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 mi11:25:1326:088:2526:08
8:25
#19383
10K
6.21 mi11:50:3451:298:1725:21
8:10
#18515
15K
9.32 mi12:15:451:16:408:1425:11
8:06
#17928
20K
12.43 mi12:41:121:42:078:1325:27
8:11
#17459
Half
13.11 mi12:46:411:47:368:125:29
8:02
#17380
25K
15.53 mi13:07:002:07:558:1420:19
8:23
#17181
30K
18.64 mi13:34:002:34:558:1927:00
8:41
#16897
20M
20.00 mi13:46:192:47:148:2212:19
9:04
#16899
21M
21.00 mi13:56:202:57:158:2610:01
10:01
#16952
35K
21.75 mi14:02:413:03:368:276:21
8:29
#16878
23M
23.00 mi14:14:203:15:158:2911:39
9:18
#16950
24M
24.00 mi14:23:053:24:008:308:45
8:45
#16888
40K
24.85 mi14:31:023:31:578:327:57
9:18
#16938
25.2M
25.20 mi14:34:473:35:428:343:45
10:52
#17017
Finish
26.22 mi14:43:343:44:298:348:47
8:37
#17009
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi193837130713016784(Top 59%)5599(Top 46%)5599(Top 430%)
10K6.21 mi3.10 mi18515+8686624+5066624+50617625(Top 62%)6073(Top 50%)6073(Top 466%)
15K9.32 mi3.11 mi17928+5876282+3426282+34216784(Top 59%)5599(Top 46%)5599(Top 430%)
20K12.43 mi3.11 mi17459+4696007+2756007+27516268(Top 57%)5372(Top 44%)5372(Top 412%)
Half13.11 mi0.68 mi17380+795968+395968+3916269(Top 57%)5356(Top 44%)5356(Top 411%)
25K15.53 mi2.42 mi17181+1995872+965872+9616461(Top 58%)5572(Top 46%)5572(Top 428%)
30K18.64 mi3.11 mi16897+2845751+1215751+12115962(Top 56%)5444(Top 45%)5444(Top 418%)
20M20.00 mi1.36 mi16899-25782-315782-3117152(Top 60%)6223(Top 51%)6223(Top 478%)
21M21.00 mi1.00 mi16952-535850-685850-6818365(Top 65%)6983(Top 57%)6983(Top 536%)
35K21.75 mi0.75 mi16878+745821+295821+2915439(Top 54%)5495(Top 45%)5495(Top 422%)
23M23.00 mi1.25 mi16950-725903-825903-8217801(Top 63%)6889(Top 56%)6889(Top 529%)
24M24.00 mi1.00 mi16888+625891+125891+1216050(Top 57%)5959(Top 49%)5959(Top 457%)
40K24.85 mi0.85 mi16938-505953-625953-6217863(Top 63%)7062(Top 58%)7062(Top 542%)
25.2M25.20 mi0.35 mi17017-796012-596012-5920267(Top 71%)8287(Top 68%)8287(Top 636%)
Finish26.22 mi1.02 mi17009+86025-136025-1316981(Top 60%)6549(Top 54%)6549(Top 503%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16784

Females

5599

F50-54

5599

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

17625

Females

6073

F50-54

6073

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16784

Females

5599

F50-54

5599

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

16268

Females

5372

F50-54

5372

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

16269

Females

5356

F50-54

5356

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16461

Females

5572

F50-54

5572

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

15962

Females

5444

F50-54

5444

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

17152

Females

6223

F50-54

6223

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

18365

Females

6983

F50-54

6983

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

15439

Females

5495

F50-54

5495

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

17801

Females

6889

F50-54

6889

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16050

Females

5959

F50-54

5959

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17863

Females

7062

F50-54

7062

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20267

Females

8287

F50-54

8287

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

16981

Females

6549

F50-54

6549

Passing Analysis

Category:
Athletes Passed
3378
Passed By
1004
Net Change
+2374
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19383
5K → 10K91648+868#19383#18515
10K → 15K60821+587#18515#17928
15K → 20K49425+469#17928#17459
20K → Half878+79#17459#17380
Half → 25K27273+199#17380#17181
25K → 30K36076+284#17181#16897
30K → 20M98100-2#16897#16899
20M → 21M102155-53#16899#16952
21M → 35K9622+74#16952#16878
35K → 23M93165-72#16878#16950
23M → 24M10341+62#16950#16888
24M → 40K59109-50#16888#16938
40K → 25.2M1998-79#16938#17017
25.2M → Finish7163+8#17017#17009
TOTALS33781004+2374
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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