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BOSTON MARATHON 2025

Lesley Malloch

Bib: 20330•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 43%
Masters (Masters Women)
#0 / 6759
Top 30%
Division (F50-54)
#0 / 1303
Top 23%
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
8:02/mi
24:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
49:21
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:13:55
↑ 67↓ 78
20K· 12.43 mi
7:56/mi
1:38:33
↑ 106↓ 860.1%
Half· 13.11 mi
7:53/mi
1:43:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:17/mi
2:04:00
↑ 66↓ 880.2%
30K· 18.64 mi
8:45/mi
2:31:10
↑ 181↓ 1480.2%
20M
8:59/mi
2:43:22
↑ 64↓ 500.2%
21M
9:37/mi
2:52:59
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
2:59:27
↑ 17↓ 861.7%
23M
9:05/mi
3:10:50
↑ 23↓ 630.6%
24M
9:02/mi
3:19:52
↓ 821.3%
40K· 24.85 mi
9:04/mi
3:27:37
↓ 200.3%
25.2M
10:03/mi
3:31:05
↑ 13↓ 160.2%
Finish· 26.22 mi
8:19/mi
3:39:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:56
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:55:37
Pace8:49 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2424:578:0224:57
8:02
-
10K
6.21 mi11:42:4849:217:5724:24
7:51
-0:11
15K
9.32 mi12:07:221:13:557:5624:34
7:54
+0:03
20K
12.43 mi12:32:001:38:337:5624:38
7:56
+0:02
Half
13.11 mi12:37:231:43:567:565:23
7:53
-0:03
25K
15.53 mi12:57:272:04:007:5920:04
8:17
+0:24
30K
18.64 mi13:24:372:31:108:0727:10
8:45
+0:28
20M
20.00 mi13:36:492:43:228:1012:12
8:59
+0:14
21M
21.00 mi13:46:262:52:598:149:37
9:37
+0:38
35K
21.75 mi13:52:542:59:278:156:28
8:39
-0:58
23M
23.00 mi14:04:173:10:508:1811:23
9:05
+0:26
24M
24.00 mi14:13:193:19:528:209:02
9:02
-0:03
40K
24.85 mi14:21:043:27:378:217:45
9:04
+0:02
25.2M
25.20 mi14:24:323:31:058:233:28
10:03
+0:59
Finish
26.22 mi14:33:003:39:338:238:28
8:19
-1:44

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

7:51 /mi

Average Pace

8:23 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:28

60% of race

Time at Steady Pace

33:38

15% of race

Time at Slower Pace

53:27

24% of race

Average Pace: 8:22 /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 mi11:18:2424:578:0224:57
8:02
#16841
10K
6.21 mi11:42:4849:217:5724:24
7:51
#16046
15K
9.32 mi12:07:221:13:557:5624:34
7:54
#15768
20K
12.43 mi12:32:001:38:337:5624:38
7:56
#15377
Half
13.11 mi12:37:231:43:567:565:23
7:53
#15346
25K
15.53 mi12:57:272:04:007:5920:04
8:17
#15407
30K
18.64 mi13:24:372:31:108:0727:10
8:45
#15592
20M
20.00 mi13:36:492:43:228:1012:12
8:59
#15616
21M
21.00 mi13:46:262:52:598:149:37
9:37
#15669
35K
21.75 mi13:52:542:59:278:156:28
8:39
#15664
23M
23.00 mi14:04:173:10:508:1811:23
9:05
#15693
24M
24.00 mi14:13:193:19:528:209:02
9:02
#15748
40K
24.85 mi14:21:043:27:378:217:45
9:04
#15771
25.2M
25.20 mi14:24:323:31:058:233:28
10:03
#15785
Finish
26.22 mi14:33:003:39:338:238:28
8:19
#15758
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi168415650565015320(Top 54%)4764(Top 39%)4764(Top 366%)
10K6.21 mi3.10 mi16046+7955168+4825168+48215313(Top 54%)4733(Top 39%)4733(Top 363%)
15K9.32 mi3.11 mi15768+2784998+1704998+17015320(Top 54%)4764(Top 39%)4764(Top 366%)
20K12.43 mi3.11 mi15377+3914794+2044794+20414378(Top 51%)4302(Top 35%)4302(Top 330%)
Half13.11 mi0.68 mi15346+314777+174777+1715103(Top 53%)4686(Top 38%)4686(Top 360%)
25K15.53 mi2.42 mi15407-614836-594836-5915781(Top 56%)5184(Top 42%)5184(Top 398%)
30K18.64 mi3.11 mi15592-1854994-1584994-15816267(Top 57%)5615(Top 46%)5615(Top 431%)
20M20.00 mi1.36 mi15616-245045-515045-5116683(Top 59%)5961(Top 49%)5961(Top 457%)
21M21.00 mi1.00 mi15669-535120-755120-7516638(Top 59%)6048(Top 49%)6048(Top 464%)
35K21.75 mi0.75 mi15664+55134-145134-1416344(Top 58%)5964(Top 49%)5964(Top 458%)
23M23.00 mi1.25 mi15693-295187-535187-5316777(Top 59%)6316(Top 52%)6316(Top 485%)
24M24.00 mi1.00 mi15748-555238-515238-5117543(Top 62%)6779(Top 55%)6779(Top 520%)
40K24.85 mi0.85 mi15771-235275-375275-3716702(Top 59%)6420(Top 53%)6420(Top 493%)
25.2M25.20 mi0.35 mi15785-145296-215296-2117283(Top 61%)6733(Top 55%)6733(Top 517%)
Finish26.22 mi1.02 mi15758+275304-85304-814992(Top 53%)5477(Top 45%)5477(Top 420%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15320

Females

4764

F50-54

4764

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

15313

Females

4733

F50-54

4733

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15320

Females

4764

F50-54

4764

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

14378

Females

4302

F50-54

4302

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

15103

Females

4686

F50-54

4686

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

15781

Females

5184

F50-54

5184

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16267

Females

5615

F50-54

5615

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

16683

Females

5961

F50-54

5961

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16638

Females

6048

F50-54

6048

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

16344

Females

5964

F50-54

5964

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16777

Females

6316

F50-54

6316

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

17543

Females

6779

F50-54

6779

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16702

Females

6420

F50-54

6420

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17283

Females

6733

F50-54

6733

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

14992

Females

5477

F50-54

5477

Passing Analysis

Category:
Athletes Passed
2646
Passed By
1563
Net Change
+1083
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16841
5K → 10K86166+795#16841#16046
10K → 15K36789+278#16046#15768
15K → 20K43140+391#15768#15377
20K → Half4918+31#15377#15346
Half → 25K157218-61#15346#15407
25K → 30K188373-185#15407#15592
30K → 20M109133-24#15592#15616
20M → 21M99152-53#15616#15669
21M → 35K6055+5#15669#15664
35K → 23M93122-29#15664#15693
23M → 24M52107-55#15693#15748
24M → 40K7093-23#15748#15771
40K → 25.2M3145-14#15771#15785
25.2M → Finish7952+27#15785#15758
TOTALS26461563+1083
📊

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