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BOSTON MARATHON 2025

Dana Lawson

Bib: 31875•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
11:41/mi
36:17
↑ 97↓ 3451.5%
10K· 6.21 mi
12:37/mi
1:15:29
↑ 79↓ 1380.4%
15K· 9.32 mi
13:00/mi
1:55:52
↑ 67↓ 78
20K· 12.43 mi
13:02/mi
2:36:22
↑ 106↓ 860.1%
Half· 13.11 mi
12:32/mi
2:44:55
↑ 19↓ 370.5%
25K· 15.53 mi
13:36/mi
3:17:53
↑ 66↓ 880.2%
30K· 18.64 mi
14:18/mi
4:02:18
↑ 181↓ 1480.2%
20M
13:51/mi
4:21:07
↑ 64↓ 500.2%
21M
16:12/mi
4:37:19
↑ 106↓ 241.6%
35K· 21.75 mi
13:37/mi
4:47:30
↑ 17↓ 861.7%
23M
14:01/mi
5:05:03
↑ 23↓ 630.6%
24M
13:04/mi
5:18:07
↓ 821.3%
40K· 24.85 mi
14:42/mi
5:30:41
↓ 200.3%
25.2M
17:27/mi
5:36:42
↑ 13↓ 160.2%
Finish· 26.22 mi
14:17/mi
5:51:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:44:55
Pace12:35 /mi
2nd Half
Distance13.11 mi
Time3:06:20
Pace14:13 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:4036:1711:4136:17
11:41
-
10K
6.21 mi12:34:521:15:2912:0939:12
12:37
+0:56
15K
9.32 mi13:15:151:55:5212:2640:23
13:00
+0:23
20K
12.43 mi13:55:452:36:2212:3540:30
13:02
+0:02
Half
13.11 mi14:04:182:44:5512:358:33
12:32
-0:30
25K
15.53 mi14:37:163:17:5312:4432:58
13:36
+1:04
30K
18.64 mi15:21:414:02:1813:0044:25
14:18
+0:42
20M
20.00 mi15:40:304:21:0713:0318:49
13:51
-0:27
21M
21.00 mi15:56:424:37:1913:1216:12
16:12
+2:21
35K
21.75 mi16:06:534:47:3013:1310:11
13:37
-2:35
23M
23.00 mi16:24:265:05:0313:1617:33
14:01
+0:24
24M
24.00 mi16:37:305:18:0713:1513:04
13:04
-0:57
40K
24.85 mi16:50:045:30:4113:1812:34
14:42
+1:38
25.2M
25.20 mi16:56:055:36:4213:226:01
17:27
+2:45
Finish
26.22 mi17:10:385:51:1513:2414:33
14:17
-3:10

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

11:41 /mi

Average Pace

13:24 /mi

Slowest Pace

17:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:02

24% of race

Time at Steady Pace

3:52:26

66% of race

Time at Slower Pace

34:47

10% of race

Average Pace: 13:24 /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 mi11:55:4036:1711:4136:17
11:41
#28119
10K
6.21 mi12:34:521:15:2912:0939:12
12:37
#28198
15K
9.32 mi13:15:151:55:5212:2640:23
13:00
#28210
20K
12.43 mi13:55:452:36:2212:3540:30
13:02
#28145
Half
13.11 mi14:04:182:44:5512:358:33
12:32
#28137
25K
15.53 mi14:37:163:17:5312:4432:58
13:36
#28090
30K
18.64 mi15:21:414:02:1813:0044:25
14:18
#28063
20M
20.00 mi15:40:304:21:0713:0318:49
13:51
#28028
21M
21.00 mi15:56:424:37:1913:1216:12
16:12
#28038
35K
21.75 mi16:06:534:47:3013:1310:11
13:37
#28036
23M
23.00 mi16:24:265:05:0313:1617:33
14:01
#28017
24M
24.00 mi16:37:305:18:0713:1513:04
13:04
#28001
40K
24.85 mi16:50:045:30:4113:1812:34
14:42
#28004
25.2M
25.20 mi16:56:055:36:4213:226:01
17:27
#28014
Finish
26.22 mi17:10:385:51:1513:2414:33
14:17
#28034
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi28119120411204128165(Top 99%)12086(Top 99%)12086(Top 703%)
10K6.21 mi3.10 mi28198-7912095-5412095-5428232(Top 99%)12122(Top 99%)12122(Top 706%)
15K9.32 mi3.11 mi28210-1212105-1012105-1028165(Top 99%)12086(Top 99%)12086(Top 703%)
20K12.43 mi3.11 mi28145+6512065+4012065+4027847(Top 98%)11902(Top 97%)11902(Top 693%)
Half13.11 mi0.68 mi28137+812061+412061+427777(Top 98%)11875(Top 97%)11875(Top 691%)
25K15.53 mi2.42 mi28090+4712034+2712034+2727670(Top 97%)11811(Top 97%)11811(Top 687%)
30K18.64 mi3.11 mi28063+2712024+1012024+1027714(Top 98%)11901(Top 97%)11901(Top 693%)
20M20.00 mi1.36 mi28028+3512006+1812006+1827175(Top 96%)11649(Top 95%)11649(Top 678%)
21M21.00 mi1.00 mi28038-1012016-1012016-1027894(Top 98%)12003(Top 98%)12003(Top 699%)
35K21.75 mi0.75 mi28036+2120161201627435(Top 97%)11817(Top 97%)11817(Top 688%)
23M23.00 mi1.25 mi28017+1912012+412012+427340(Top 96%)11775(Top 96%)11775(Top 685%)
24M24.00 mi1.00 mi28001+1612008+412008+426926(Top 95%)11602(Top 95%)11602(Top 675%)
40K24.85 mi0.85 mi28004-312017-912017-927619(Top 97%)11930(Top 98%)11930(Top 694%)
25.2M25.20 mi0.35 mi28014-1012024-712024-728139(Top 99%)12158(Top 99%)12158(Top 708%)
Finish26.22 mi1.02 mi28034-2012040-1612040-1628124(Top 99%)12139(Top 99%)12139(Top 707%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

28165

Females

12086

F40-44

12086

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

28232

Females

12122

F40-44

12122

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

28165

Females

12086

F40-44

12086

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

27847

Females

11902

F40-44

11902

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

27777

Females

11875

F40-44

11875

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

27670

Females

11811

F40-44

11811

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

27714

Females

11901

F40-44

11901

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

27175

Females

11649

F40-44

11649

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

27894

Females

12003

F40-44

12003

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

27435

Females

11817

F40-44

11817

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27340

Females

11775

F40-44

11775

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

26926

Females

11602

F40-44

11602

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27619

Females

11930

F40-44

11930

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28139

Females

12158

F40-44

12158

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

28124

Females

12139

F40-44

12139

Passing Analysis

Category:
Athletes Passed
370
Passed By
285
Net Change
+85
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28119
5K → 10K21100-79#28119#28198
10K → 15K3143-12#28198#28210
15K → 20K749+65#28210#28145
20K → Half124+8#28145#28137
Half → 25K5811+47#28137#28090
25K → 30K4619+27#28090#28063
30K → 20M438+35#28063#28028
20M → 21M1121-10#28028#28038
21M → 35K97+2#28038#28036
35K → 23M256+19#28036#28017
23M → 24M226+16#28017#28001
24M → 40K1215-3#28001#28004
40K → 25.2M212-10#28004#28014
25.2M → Finish424-20#28014#28034
TOTALS370285+85
📊

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