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BOSTON MARATHON 2025

Frances Ledson

Bib: 28766•F

AR

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
10:07/mi
31:26
↑ 97↓ 3451.5%
10K· 6.21 mi
10:03/mi
1:02:40
↑ 79↓ 1380.4%
15K· 9.32 mi
10:34/mi
1:35:29
↑ 67↓ 78
20K· 12.43 mi
10:44/mi
2:08:50
↑ 106↓ 860.1%
Half· 13.11 mi
9:42/mi
2:15:27
↑ 19↓ 370.5%
25K· 15.53 mi
11:42/mi
2:43:48
↑ 66↓ 880.2%
30K· 18.64 mi
12:32/mi
3:22:44
↑ 181↓ 1480.2%
20M
12:31/mi
3:39:44
↑ 64↓ 500.2%
21M
14:21/mi
3:54:05
↑ 106↓ 241.6%
35K· 21.75 mi
17:03/mi
4:06:50
↑ 17↓ 861.7%
23M
12:18/mi
4:22:14
↑ 23↓ 630.6%
24M
11:29/mi
4:33:43
↓ 821.3%
40K· 24.85 mi
12:13/mi
4:44:10
↓ 200.3%
25.2M
13:55/mi
4:48:58
↑ 13↓ 160.2%
Finish· 26.22 mi
11:48/mi
5:00:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:27
Pace10:20 /mi
2nd Half
Distance13.11 mi
Time2:45:32
Pace12:38 /mi
📊Positive Split: 22.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:2031:2610:0731:26
10:07
-
10K
6.21 mi12:19:341:02:4010:0531:14
10:03
-0:04
15K
9.32 mi12:52:231:35:2910:1532:49
10:34
+0:31
20K
12.43 mi13:25:442:08:5010:2233:21
10:44
+0:10
Half
13.11 mi13:32:212:15:2710:206:37
9:42
-1:02
25K
15.53 mi14:00:422:43:4810:3328:21
11:42
+2:00
30K
18.64 mi14:39:383:22:4410:5338:56
12:32
+0:50
20M
20.00 mi14:56:383:39:4410:5917:00
12:31
-0:01
21M
21.00 mi15:10:593:54:0511:0914:21
14:21
+1:50
35K
21.75 mi15:23:444:06:5011:2112:45
17:03
+2:42
23M
23.00 mi15:39:084:22:1411:2415:24
12:18
-4:45
24M
24.00 mi15:50:374:33:4311:2411:29
11:29
-0:49
40K
24.85 mi16:01:044:44:1011:2610:27
12:13
+0:44
25.2M
25.20 mi16:05:524:48:5811:284:48
13:55
+1:42
Finish
26.22 mi16:17:535:00:5911:2912:01
11:48
-2:07

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

9:42 /mi

Average Pace

11:29 /mi

Slowest Pace

17:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:27

45% of race

Time at Steady Pace

2:13:38

44% of race

Time at Slower Pace

31:54

11% of race

Average Pace: 11:29 /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 mi11:48:2031:2610:0731:26
10:07
#25862
10K
6.21 mi12:19:341:02:4010:0531:14
10:03
#25623
15K
9.32 mi12:52:231:35:2910:1532:49
10:34
#25809
20K
12.43 mi13:25:442:08:5010:2233:21
10:44
#25729
Half
13.11 mi13:32:212:15:2710:206:37
9:42
#25659
25K
15.53 mi14:00:422:43:4810:3328:21
11:42
#25769
30K
18.64 mi14:39:383:22:4410:5338:56
12:32
#25866
20M
20.00 mi14:56:383:39:4410:5917:00
12:31
#25891
21M
21.00 mi15:10:593:54:0511:0914:21
14:21
#25956
35K
21.75 mi15:23:444:06:5011:2112:45
17:03
#26234
23M
23.00 mi15:39:084:22:1411:2415:24
12:18
#26191
24M
24.00 mi15:50:374:33:4311:2411:29
11:29
#26148
40K
24.85 mi16:01:044:44:1011:2610:27
12:13
#26141
25.2M
25.20 mi16:05:524:48:5811:284:48
13:55
#26148
Finish
26.22 mi16:17:535:00:5911:2912:01
11:48
#26184
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25862106841068426036(Top 92%)10810(Top 88%)10810(Top 629%)
10K6.21 mi3.10 mi25623+23910569+11510569+11525421(Top 89%)10474(Top 86%)10474(Top 610%)
15K9.32 mi3.11 mi25809-18610674-10510674-10526036(Top 92%)10810(Top 88%)10810(Top 629%)
20K12.43 mi3.11 mi25729+8010634+4010634+4025598(Top 90%)10588(Top 87%)10588(Top 616%)
Half13.11 mi0.68 mi25659+7010597+3710597+3724070(Top 85%)9752(Top 80%)9752(Top 568%)
25K15.53 mi2.42 mi25769-11010673-7610673-7626089(Top 92%)10909(Top 89%)10909(Top 635%)
30K18.64 mi3.11 mi25866-9710750-7710750-7726204(Top 92%)11064(Top 90%)11064(Top 644%)
20M20.00 mi1.36 mi25891-2510776-2610776-2625913(Top 91%)10968(Top 90%)10968(Top 638%)
21M21.00 mi1.00 mi25956-6510821-4510821-4526563(Top 94%)11346(Top 93%)11346(Top 660%)
35K21.75 mi0.75 mi26234-27810986-16510986-16528313(Top 100%)12196(Top 100%)12196(Top 710%)
23M23.00 mi1.25 mi26191+4310973+1310973+1325531(Top 90%)10876(Top 89%)10876(Top 633%)
24M24.00 mi1.00 mi26148+4310958+1510958+1524857(Top 88%)10567(Top 86%)10567(Top 615%)
40K24.85 mi0.85 mi26141+710964-610964-625264(Top 89%)10801(Top 88%)10801(Top 629%)
25.2M25.20 mi0.35 mi26148-710971-710971-726165(Top 92%)11261(Top 92%)11261(Top 655%)
Finish26.22 mi1.02 mi26184-3610993-2210993-2226522(Top 93%)11399(Top 93%)11399(Top 664%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

26036

Females

10810

F40-44

10810

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25421

Females

10474

F40-44

10474

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

26036

Females

10810

F40-44

10810

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

25598

Females

10588

F40-44

10588

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24070

Females

9752

F40-44

9752

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

26089

Females

10909

F40-44

10909

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

26204

Females

11064

F40-44

11064

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25913

Females

10968

F40-44

10968

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

26563

Females

11346

F40-44

11346

21M→35K

21.0 - 21.8 mi

Top 100%
×7story building
+17ft-86ft

Overall

28313

Females

12196

F40-44

12196

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

25531

Females

10876

F40-44

10876

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

24857

Females

10567

F40-44

10567

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25264

Females

10801

F40-44

10801

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26165

Females

11261

F40-44

11261

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26522

Females

11399

F40-44

11399

Passing Analysis

Category:
Athletes Passed
994
Passed By
1316
Net Change
-322
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25862
5K → 10K32687+239#25862#25623
10K → 15K68254-186#25623#25809
15K → 20K16484+80#25809#25729
20K → Half722+70#25729#25659
Half → 25K66176-110#25659#25769
25K → 30K74171-97#25769#25866
30K → 20M4671-25#25866#25891
20M → 21M2287-65#25891#25956
21M → 35K3281-278#25956#26234
35K → 23M5916+43#26234#26191
23M → 24M5310+43#26191#26148
24M → 40K2518+7#26148#26141
40K → 25.2M613-7#26141#26148
25.2M → Finish1046-36#26148#26184
TOTALS9941316-322
📊

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