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BOSTON MARATHON 2025

Andrea Douglas

Bib: 23708•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
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
8:09/mi
25:18
↑ 97↓ 3451.5%
10K· 6.21 mi
8:18/mi
51:04
↑ 79↓ 1380.4%
15K· 9.32 mi
8:35/mi
1:17:44
↑ 67↓ 78
20K· 12.43 mi
8:59/mi
1:45:40
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:51:33
↑ 19↓ 370.5%
25K· 15.53 mi
9:13/mi
2:13:55
↑ 66↓ 880.2%
30K· 18.64 mi
9:54/mi
2:44:41
↑ 181↓ 1480.2%
20M
9:52/mi
2:58:06
↑ 64↓ 500.2%
21M
10:37/mi
3:08:43
↑ 106↓ 241.6%
35K· 21.75 mi
9:20/mi
3:15:42
↑ 17↓ 861.7%
23M
9:38/mi
3:27:46
↑ 23↓ 630.6%
24M
9:25/mi
3:37:11
↓ 821.3%
40K· 24.85 mi
10:18/mi
3:45:59
↓ 200.3%
25.2M
10:50/mi
3:49:43
↑ 13↓ 160.2%
Finish· 26.22 mi
9:03/mi
3:58:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:33
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time2:07:23
Pace9:43 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5825:188:0925:18
8:09
-
10K
6.21 mi11:48:4451:048:1325:46
8:18
+0:09
15K
9.32 mi12:15:241:17:448:2026:40
8:35
+0:17
20K
12.43 mi12:43:201:45:408:3027:56
8:59
+0:24
Half
13.11 mi12:49:131:51:338:315:53
8:37
-0:22
25K
15.53 mi13:11:352:13:558:3722:22
9:13
+0:36
30K
18.64 mi13:42:212:44:418:5030:46
9:54
+0:41
20M
20.00 mi13:55:462:58:068:5413:25
9:52
-0:02
21M
21.00 mi14:06:233:08:438:5910:37
10:37
+0:45
35K
21.75 mi14:13:223:15:429:006:59
9:20
-1:17
23M
23.00 mi14:25:263:27:469:0212:04
9:38
+0:18
24M
24.00 mi14:34:513:37:119:039:25
9:25
-0:13
40K
24.85 mi14:43:393:45:599:068:48
10:18
+0:53
25.2M
25.20 mi14:47:233:49:439:073:44
10:50
+0:32
Finish
26.22 mi14:56:363:58:569:079:13
9:03
-1:47

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

8:09 /mi

Average Pace

9:07 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:37

35% of race

Time at Steady Pace

1:27:59

37% of race

Time at Slower Pace

1:07:20

28% of race

Average Pace: 9:07 /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 mi11:22:5825:188:0925:18
8:09
#17703
10K
6.21 mi11:48:4451:048:1325:46
8:18
#18105
15K
9.32 mi12:15:241:17:448:2026:40
8:35
#18654
20K
12.43 mi12:43:201:45:408:3027:56
8:59
#19281
Half
13.11 mi12:49:131:51:338:315:53
8:37
#19324
25K
15.53 mi13:11:352:13:558:3722:22
9:13
#19628
30K
18.64 mi13:42:212:44:418:5030:46
9:54
#20066
20M
20.00 mi13:55:462:58:068:5413:25
9:52
#20110
21M
21.00 mi14:06:233:08:438:5910:37
10:37
#20132
35K
21.75 mi14:13:223:15:429:006:59
9:20
#20115
23M
23.00 mi14:25:263:27:469:0212:04
9:38
#20085
24M
24.00 mi14:34:513:37:119:039:25
9:25
#20054
40K
24.85 mi14:43:393:45:599:068:48
10:18
#20138
25.2M
25.20 mi14:47:233:49:439:073:44
10:50
#20145
Finish
26.22 mi14:56:363:58:569:079:13
9:03
#20147
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi177036159615919845(Top 70%)7361(Top 60%)7361(Top 565%)
10K6.21 mi3.10 mi18105-4026395-2366395-23618523(Top 65%)6616(Top 54%)6616(Top 508%)
15K9.32 mi3.11 mi18654-5496708-3136708-31319845(Top 70%)7361(Top 60%)7361(Top 565%)
20K12.43 mi3.11 mi19281-6277068-3607068-36020925(Top 74%)8010(Top 66%)8010(Top 615%)
Half13.11 mi0.68 mi19324-437096-287096-2819988(Top 70%)7476(Top 61%)7476(Top 574%)
25K15.53 mi2.42 mi19628-3047276-1807276-18020877(Top 74%)8020(Top 66%)8020(Top 616%)
30K18.64 mi3.11 mi20066-4387559-2837559-28321311(Top 75%)8401(Top 69%)8401(Top 645%)
20M20.00 mi1.36 mi20110-447613-547613-5420535(Top 72%)8099(Top 66%)8099(Top 622%)
21M21.00 mi1.00 mi20132-227657-447657-4420360(Top 72%)8106(Top 66%)8106(Top 622%)
35K21.75 mi0.75 mi20115+177656+17656+119730(Top 69%)7838(Top 64%)7838(Top 602%)
23M23.00 mi1.25 mi20085+307672-167672-1619237(Top 68%)7637(Top 62%)7637(Top 586%)
24M24.00 mi1.00 mi20054+317668+47668+419327(Top 68%)7724(Top 63%)7724(Top 593%)
40K24.85 mi0.85 mi20138-847740-727740-7221356(Top 75%)8848(Top 72%)8848(Top 679%)
25.2M25.20 mi0.35 mi20145-77749-97749-920146(Top 71%)8236(Top 67%)8236(Top 632%)
Finish26.22 mi1.02 mi20147-27757-87757-819280(Top 68%)7757(Top 63%)7757(Top 595%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

19845

Females

7361

F50-54

7361

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

18523

Females

6616

F50-54

6616

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

19845

Females

7361

F50-54

7361

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

20925

Females

8010

F50-54

8010

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19988

Females

7476

F50-54

7476

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

20877

Females

8020

F50-54

8020

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

21311

Females

8401

F50-54

8401

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

20535

Females

8099

F50-54

8099

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

20360

Females

8106

F50-54

8106

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

19730

Females

7838

F50-54

7838

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

19237

Females

7637

F50-54

7637

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

19327

Females

7724

F50-54

7724

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21356

Females

8848

F50-54

8848

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20146

Females

8236

F50-54

8236

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19280

Females

7757

F50-54

7757

Passing Analysis

Category:
Athletes Passed
1006
Passed By
3450
Net Change
-2444
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17703
5K → 10K140542-402#17703#18105
10K → 15K55604-549#18105#18654
15K → 20K63690-627#18654#19281
20K → Half2467-43#19281#19324
Half → 25K89393-304#19324#19628
25K → 30K107545-438#19628#20066
30K → 20M90134-44#20066#20110
20M → 21M81103-22#20110#20132
21M → 35K6548+17#20132#20115
35K → 23M9464+30#20115#20085
23M → 24M7948+31#20085#20054
24M → 40K36120-84#20054#20138
40K → 25.2M2128-7#20138#20145
25.2M → Finish6264-2#20145#20147
TOTALS10063450-2444
📊

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