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BOSTON MARATHON 2025

Mary Lyons

Bib: 21962•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 45%
Division (F45-49)
#0 / 1813
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
8:32/mi
26:31
↑ 97↓ 3451.5%
10K· 6.21 mi
8:24/mi
52:36
↑ 79↓ 1380.4%
15K· 9.32 mi
8:36/mi
1:19:19
↑ 67↓ 78
20K· 12.43 mi
8:36/mi
1:46:03
↑ 106↓ 860.1%
Half· 13.11 mi
8:27/mi
1:51:49
↑ 19↓ 370.5%
25K· 15.53 mi
8:44/mi
2:12:59
↑ 66↓ 880.2%
30K· 18.64 mi
9:01/mi
2:41:00
↑ 181↓ 1480.2%
20M
9:17/mi
2:53:37
↑ 64↓ 500.2%
21M
10:17/mi
3:03:54
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
3:09:57
↑ 17↓ 861.7%
23M
8:51/mi
3:21:02
↑ 23↓ 630.6%
24M
8:37/mi
3:29:39
↓ 821.3%
40K· 24.85 mi
8:57/mi
3:37:18
↓ 200.3%
25.2M
10:03/mi
3:40:46
↑ 13↓ 160.2%
Finish· 26.22 mi
8:37/mi
3:49:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:49
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time1:57:44
Pace8:59 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0526:318:3226:31
8:32
-
10K
6.21 mi11:51:1052:368:2826:05
8:24
-0:08
15K
9.32 mi12:17:531:19:198:3126:43
8:36
+0:12
20K
12.43 mi12:44:371:46:038:3226:44
8:36
0:00
Half
13.11 mi12:50:231:51:498:325:46
8:27
-0:09
25K
15.53 mi13:11:332:12:598:3421:10
8:44
+0:17
30K
18.64 mi13:39:342:41:008:3828:01
9:01
+0:17
20M
20.00 mi13:52:112:53:378:4112:37
9:17
+0:16
21M
21.00 mi14:02:283:03:548:4510:17
10:17
+1:00
35K
21.75 mi14:08:313:09:578:446:03
8:05
-2:12
23M
23.00 mi14:19:363:21:028:4411:05
8:51
+0:46
24M
24.00 mi14:28:133:29:398:448:37
8:37
-0:14
40K
24.85 mi14:35:523:37:188:457:39
8:57
+0:20
25.2M
25.20 mi14:39:203:40:468:463:28
10:03
+1:06
Finish
26.22 mi14:48:073:49:338:468:47
8:37
-1:26

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

8:05 /mi

Average Pace

8:46 /mi

Slowest Pace

10:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:03

3% of race

Time at Steady Pace

2:41:28

70% of race

Time at Slower Pace

1:02:02

27% of race

Average Pace: 8:45 /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 mi11:25:0526:318:3226:31
8:32
#20101
10K
6.21 mi11:51:1052:368:2826:05
8:24
#19621
15K
9.32 mi12:17:531:19:198:3126:43
8:36
#19734
20K
12.43 mi12:44:371:46:038:3226:44
8:36
#19486
Half
13.11 mi12:50:231:51:498:325:46
8:27
#19454
25K
15.53 mi13:11:332:12:598:3421:10
8:44
#19264
30K
18.64 mi13:39:342:41:008:3828:01
9:01
#18962
20M
20.00 mi13:52:112:53:378:4112:37
9:17
#18908
21M
21.00 mi14:02:283:03:548:4510:17
10:17
#18945
35K
21.75 mi14:08:313:09:578:446:03
8:05
#18730
23M
23.00 mi14:19:363:21:028:4411:05
8:51
#18522
24M
24.00 mi14:28:133:29:398:448:37
8:37
#18364
40K
24.85 mi14:35:523:37:188:457:39
8:57
#18273
25.2M
25.20 mi14:39:203:40:468:463:28
10:03
#18263
Finish
26.22 mi14:48:073:49:338:468:47
8:37
#18222
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi201017556755619926(Top 70%)7402(Top 61%)7402(Top 408%)
10K6.21 mi3.10 mi19621+4807253+3037253+30319169(Top 67%)6984(Top 57%)6984(Top 385%)
15K9.32 mi3.11 mi19734-1137314-617314-6119926(Top 70%)7402(Top 61%)7402(Top 408%)
20K12.43 mi3.11 mi19486+2487179+1357179+13518889(Top 67%)6847(Top 56%)6847(Top 378%)
Half13.11 mi0.68 mi19454+327163+167163+1618930(Top 67%)6853(Top 56%)6853(Top 378%)
25K15.53 mi2.42 mi19264+1907064+997064+9918585(Top 65%)6746(Top 55%)6746(Top 372%)
30K18.64 mi3.11 mi18962+3026926+1386926+13817786(Top 63%)6465(Top 53%)6465(Top 357%)
20M20.00 mi1.36 mi18908+546922+46922+418230(Top 64%)6848(Top 56%)6848(Top 378%)
21M21.00 mi1.00 mi18945-376975-536975-5319309(Top 68%)7496(Top 61%)7496(Top 413%)
35K21.75 mi0.75 mi18730+2156866+1096866+10912918(Top 45%)4137(Top 34%)4137(Top 228%)
23M23.00 mi1.25 mi18522+2086777+896777+8915436(Top 54%)5570(Top 46%)5570(Top 307%)
24M24.00 mi1.00 mi18364+1586716+616716+6115302(Top 54%)5552(Top 45%)5552(Top 306%)
40K24.85 mi0.85 mi18273+916696+206696+2016039(Top 56%)6066(Top 50%)6066(Top 335%)
25.2M25.20 mi0.35 mi18263+106702-66702-617304(Top 61%)6754(Top 55%)6754(Top 373%)
Finish26.22 mi1.02 mi18222+416693+96693+916995(Top 60%)6563(Top 54%)6563(Top 362%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

19926

Females

7402

F45-49

7402

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

19169

Females

6984

F45-49

6984

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

19926

Females

7402

F45-49

7402

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

18889

Females

6847

F45-49

6847

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

18930

Females

6853

F45-49

6853

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

18585

Females

6746

F45-49

6746

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

17786

Females

6465

F45-49

6465

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18230

Females

6848

F45-49

6848

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

19309

Females

7496

F45-49

7496

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12918

Females

4137

F45-49

4137

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

15436

Females

5570

F45-49

5570

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15302

Females

5552

F45-49

5552

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

16039

Females

6066

F45-49

6066

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17304

Females

6754

F45-49

6754

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

16995

Females

6563

F45-49

6563

Passing Analysis

Category:
Athletes Passed
2824
Passed By
945
Net Change
+1879
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20101
5K → 10K588108+480#20101#19621
10K → 15K152265-113#19621#19734
15K → 20K33284+248#19734#19486
20K → Half5220+32#19486#19454
Half → 25K26474+190#19454#19264
25K → 30K37371+302#19264#18962
30K → 20M13783+54#18962#18908
20M → 21M91128-37#18908#18945
21M → 35K2150+215#18945#18730
35K → 23M22113+208#18730#18522
23M → 24M1679+158#18522#18364
24M → 40K11625+91#18364#18273
40K → 25.2M3424+10#18273#18263
25.2M → Finish8241+41#18263#18222
TOTALS2824945+1879
📊

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