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BOSTON MARATHON 2025

Lynn Vasconcelos

Bib: 20922•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 47%
Division (F50-54)
#0 / 1303
Top 44%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:52
Rank: #16640
Start → 5K
24:52 | 8:00/mi
10K· 6.21 mi
49:58
Rank: #16857 (-217)
5K → 10K
25:06 | 8:05/mi
15K· 9.32 mi
1:15:20
Rank: #16953 (-96)
10K → 15K
25:22 | 8:10/mi
20K· 12.43 mi
1:41:08
Rank: #16958 (-5)
15K → 20K
25:48 | 8:18/mi
Half· 13.11 mi
1:46:46
Rank: #16987 (-29)
20K → Half
5:38 | 8:15/mi
25K· 15.53 mi
2:07:31
Rank: #17015 (-28)
Half → 25K
20:45 | 8:33/mi
30K· 18.64 mi
2:36:03
Rank: #17271 (-256)
25K → 30K
28:32 | 9:11/mi
20M
2:49:31
Rank: #17612 (-341)
30K → 20M
13:28 | 9:55/mi
21M
3:00:37
Rank: #18022 (-410)
20M → 21M
11:06 | 11:06/mi
35K· 21.75 mi
3:07:31
Rank: #18069 (-47)
21M → 35K
6:54 | 9:13/mi
23M
3:20:17
Rank: #18331 (-262)
35K → 23M
12:46 | 10:12/mi
24M
3:29:24
Rank: #18292 (+39)
23M → 24M
9:07 | 9:07/mi
40K· 24.85 mi
3:37:20
Rank: #18283 (+9)
24M → 40K
7:56 | 9:17/mi
25.2M
3:41:28
Rank: #18416 (-133)
40K → 25.2M
4:08 | 11:59/mi
Finish· 26.22 mi
3:50:38
Rank: #18461 (-45)
25.2M → Finish
9:10 | 9:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:46
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time2:03:52
Pace9:27 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3524:528:0024:52
8:00
-
10K
6.21 mi11:42:4149:588:0225:06
8:05
+0:05
15K
9.32 mi12:08:031:15:208:0525:22
8:10
+0:05
20K
12.43 mi12:33:511:41:088:0825:48
8:18
+0:08
Half
13.11 mi12:39:291:46:468:095:38
8:15
-0:03
25K
15.53 mi13:00:142:07:318:1320:45
8:33
+0:18
30K
18.64 mi13:28:462:36:038:2228:32
9:11
+0:38
20M
20.00 mi13:42:142:49:318:2913:28
9:55
+0:44
21M
21.00 mi13:53:203:00:378:3611:06
11:06
+1:11
35K
21.75 mi14:00:143:07:318:376:54
9:13
-1:53
23M
23.00 mi14:13:003:20:178:4212:46
10:12
+0:59
24M
24.00 mi14:22:073:29:248:449:07
9:07
-1:05
40K
24.85 mi14:30:033:37:208:457:56
9:17
+0:10
25.2M
25.20 mi14:34:113:41:288:474:08
11:59
+2:42
Finish
26.22 mi14:43:213:50:388:489:10
9:00
-2:59

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

8:00 /mi

Average Pace

8:48 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:31

55% of race

Time at Steady Pace

1:01:39

27% of race

Time at Slower Pace

41:28

18% of race

Average Pace: 8:48 /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 mi11:17:3524:528:0024:52
8:00
#16640
10K
6.21 mi11:42:4149:588:0225:06
8:05
#16857
15K
9.32 mi12:08:031:15:208:0525:22
8:10
#16953
20K
12.43 mi12:33:511:41:088:0825:48
8:18
#16958
Half
13.11 mi12:39:291:46:468:095:38
8:15
#16987
25K
15.53 mi13:00:142:07:318:1320:45
8:33
#17015
30K
18.64 mi13:28:462:36:038:2228:32
9:11
#17271
20M
20.00 mi13:42:142:49:318:2913:28
9:55
#17612
21M
21.00 mi13:53:203:00:378:3611:06
11:06
#18022
35K
21.75 mi14:00:143:07:318:376:54
9:13
#18069
23M
23.00 mi14:13:003:20:178:4212:46
10:12
#18331
24M
24.00 mi14:22:073:29:248:449:07
9:07
#18292
40K
24.85 mi14:30:033:37:208:457:56
9:17
#18283
25.2M
25.20 mi14:34:113:41:288:474:08
11:59
#18416
Finish
26.22 mi14:43:213:50:388:489:10
9:00
#18461
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi166405543554317184(Top 60%)5840(Top 48%)5840(Top 448%)
10K6.21 mi3.10 mi16857-2175646-1035646-10317067(Top 60%)5745(Top 47%)5745(Top 441%)
15K9.32 mi3.11 mi16953-965688-425688-4217184(Top 60%)5840(Top 48%)5840(Top 448%)
20K12.43 mi3.11 mi16958-55716-285716-2816970(Top 60%)5763(Top 47%)5763(Top 442%)
Half13.11 mi0.68 mi16987-295740-245740-2417733(Top 62%)6187(Top 51%)6187(Top 475%)
25K15.53 mi2.42 mi17015-285772-325772-3217551(Top 62%)6169(Top 50%)6169(Top 473%)
30K18.64 mi3.11 mi17271-2565976-2045976-20418583(Top 65%)6880(Top 56%)6880(Top 528%)
20M20.00 mi1.36 mi17612-3416211-2356211-23520641(Top 73%)8160(Top 67%)8160(Top 626%)
21M21.00 mi1.00 mi18022-4106447-2366447-23621665(Top 76%)8794(Top 72%)8794(Top 675%)
35K21.75 mi0.75 mi18069-476491-446491-4419280(Top 68%)7589(Top 62%)7589(Top 582%)
23M23.00 mi1.25 mi18331-2626669-1786669-17821108(Top 74%)8607(Top 70%)8607(Top 661%)
24M24.00 mi1.00 mi18292+396679-106679-1017983(Top 63%)7030(Top 57%)7030(Top 540%)
40K24.85 mi0.85 mi18283+96705-266705-2617770(Top 63%)7012(Top 57%)7012(Top 538%)
25.2M25.20 mi0.35 mi18416-1336785-806785-8023207(Top 82%)9758(Top 80%)9758(Top 749%)
Finish26.22 mi1.02 mi18461-456834-496834-4919037(Top 67%)7616(Top 62%)7616(Top 584%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

17184

Females

5840

F50-54

5840

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

17067

Females

5745

F50-54

5745

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

17184

Females

5840

F50-54

5840

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

16970

Females

5763

F50-54

5763

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

17733

Females

6187

F50-54

6187

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17551

Females

6169

F50-54

6169

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18583

Females

6880

F50-54

6880

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

20641

Females

8160

F50-54

8160

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21665

Females

8794

F50-54

8794

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

19280

Females

7589

F50-54

7589

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

21108

Females

8607

F50-54

8607

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

17983

Females

7030

F50-54

7030

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17770

Females

7012

F50-54

7012

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23207

Females

9758

F50-54

9758

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

19037

Females

7616

F50-54

7616

Passing Analysis

Category:
Athletes Passed
1258
Passed By
3079
Net Change
-1821
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16640
5K → 10K199416-217#16640#16857
10K → 15K176272-96#16857#16953
15K → 20K193198-5#16953#16958
20K → Half2655-29#16958#16987
Half → 25K147175-28#16987#17015
25K → 30K153409-256#17015#17271
30K → 20M44385-341#17271#17612
20M → 21M20430-410#17612#18022
21M → 35K4188-47#18022#18069
35K → 23M49311-262#18069#18331
23M → 24M9354+39#18331#18292
24M → 40K6960+9#18292#18283
40K → 25.2M4137-133#18283#18416
25.2M → Finish4489-45#18416#18461
TOTALS12583079-1821
📊

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