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BOSTON MARATHON 2025

Rebecca Doocey

Bib: 20379•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 33%
Masters (Masters Women)
#0 / 6759
Top 19%
Division (F45-49)
#0 / 1813
Top 21%
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
24:58
↑ 97↓ 3451.5%
10K· 6.21 mi
7:57/mi
49:40
↑ 79↓ 1380.4%
15K· 9.32 mi
7:53/mi
1:14:10
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:38:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:44:03
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
2:03:28
↑ 66↓ 880.2%
30K· 18.64 mi
8:09/mi
2:28:47
↑ 181↓ 1480.2%
20M
8:18/mi
2:40:04
↑ 64↓ 500.2%
21M
8:47/mi
2:48:51
↑ 106↓ 241.6%
35K· 21.75 mi
7:53/mi
2:54:45
↑ 17↓ 861.7%
23M
8:15/mi
3:05:05
↑ 23↓ 630.6%
24M
8:01/mi
3:13:06
↓ 821.3%
40K· 24.85 mi
8:11/mi
3:20:06
↓ 200.3%
25.2M
8:48/mi
3:23:08
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
3:31:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:03
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:47:17
Pace8:11 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1924:588:0224:58
8:02
-
10K
6.21 mi11:45:0149:408:0024:42
7:57
-0:05
15K
9.32 mi12:09:311:14:107:5724:30
7:53
-0:04
20K
12.43 mi12:34:061:38:457:5724:35
7:55
+0:02
Half
13.11 mi12:39:241:44:037:565:18
7:46
-0:09
25K
15.53 mi12:58:492:03:287:5719:25
8:00
+0:14
30K
18.64 mi13:24:082:28:477:5925:19
8:09
+0:09
20M
20.00 mi13:35:252:40:048:0011:17
8:18
+0:09
21M
21.00 mi13:44:122:48:518:028:47
8:47
+0:29
35K
21.75 mi13:50:062:54:458:025:54
7:53
-0:54
23M
23.00 mi14:00:263:05:058:0310:20
8:15
+0:22
24M
24.00 mi14:08:273:13:068:038:01
8:01
-0:14
40K
24.85 mi14:15:273:20:068:037:00
8:11
+0:10
25.2M
25.20 mi14:18:293:23:088:043:02
8:48
+0:37
Finish
26.22 mi14:26:413:31:208:048:12
8:03
-0:45

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

7:46 /mi

Average Pace

8:04 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:31

94% of race

Time at Steady Pace

11:49

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:04 /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 mi11:20:1924:588:0224:58
8:02
#16870
10K
6.21 mi11:45:0149:408:0024:42
7:57
#16455
15K
9.32 mi12:09:311:14:107:5724:30
7:53
#15990
20K
12.43 mi12:34:061:38:457:5724:35
7:55
#15508
Half
13.11 mi12:39:241:44:037:565:18
7:46
#15415
25K
15.53 mi12:58:492:03:287:5719:25
8:00
#15144
30K
18.64 mi13:24:082:28:477:5925:19
8:09
#14552
20M
20.00 mi13:35:252:40:048:0011:17
8:18
#14353
21M
21.00 mi13:44:122:48:518:028:47
8:47
#14191
35K
21.75 mi13:50:062:54:458:025:54
7:53
#14061
23M
23.00 mi14:00:263:05:058:0310:20
8:15
#13901
24M
24.00 mi14:08:273:13:068:038:01
8:01
#13767
40K
24.85 mi14:15:273:20:068:037:00
8:11
#13654
25.2M
25.20 mi14:18:293:23:088:043:02
8:48
#13595
Finish
26.22 mi14:26:413:31:208:048:12
8:03
#13577
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi168705663566315134(Top 53%)4658(Top 38%)4658(Top 257%)
10K6.21 mi3.10 mi16455+4155412+2515412+25116071(Top 57%)5159(Top 42%)5159(Top 285%)
15K9.32 mi3.11 mi15990+4655140+2725140+27215134(Top 53%)4658(Top 38%)4658(Top 257%)
20K12.43 mi3.11 mi15508+4824865+2754865+27514212(Top 50%)4205(Top 34%)4205(Top 232%)
Half13.11 mi0.68 mi15415+934817+484817+4814057(Top 49%)4090(Top 33%)4090(Top 226%)
25K15.53 mi2.42 mi15144+2714687+1304687+13013970(Top 49%)4192(Top 34%)4192(Top 231%)
30K18.64 mi3.11 mi14552+5924416+2714416+27112450(Top 44%)3535(Top 29%)3535(Top 195%)
20M20.00 mi1.36 mi14353+1994330+864330+8612535(Top 44%)3718(Top 30%)3718(Top 205%)
21M21.00 mi1.00 mi14191+1624267+634267+6312229(Top 43%)3726(Top 30%)3726(Top 206%)
35K21.75 mi0.75 mi14061+1304219+484219+4811529(Top 41%)3401(Top 28%)3401(Top 188%)
23M23.00 mi1.25 mi13901+1604165+544165+5411760(Top 41%)3620(Top 30%)3620(Top 200%)
24M24.00 mi1.00 mi13767+1344130+354130+3511404(Top 40%)3527(Top 29%)3527(Top 195%)
40K24.85 mi0.85 mi13654+1134089+414089+4111512(Top 41%)3664(Top 30%)3664(Top 202%)
25.2M25.20 mi0.35 mi13595+594067+224067+2210707(Top 38%)3363(Top 28%)3363(Top 185%)
Finish26.22 mi1.02 mi13577+184082-154082-1513215(Top 47%)4555(Top 37%)4555(Top 251%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

15134

Females

4658

F45-49

4658

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16071

Females

5159

F45-49

5159

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

15134

Females

4658

F45-49

4658

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

14212

Females

4205

F45-49

4205

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

14057

Females

4090

F45-49

4090

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13970

Females

4192

F45-49

4192

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12450

Females

3535

F45-49

3535

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

12535

Females

3718

F45-49

3718

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

12229

Females

3726

F45-49

3726

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11529

Females

3401

F45-49

3401

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

11760

Females

3620

F45-49

3620

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11404

Females

3527

F45-49

3527

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11512

Females

3664

F45-49

3664

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10707

Females

3363

F45-49

3363

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13215

Females

4555

F45-49

4555

Passing Analysis

Category:
Athletes Passed
3826
Passed By
533
Net Change
+3293
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16870
5K → 10K551136+415#16870#16455
10K → 15K51348+465#16455#15990
15K → 20K50725+482#15990#15508
20K → Half974+93#15508#15415
Half → 25K31948+271#15415#15144
25K → 30K61725+592#15144#14552
30K → 20M23031+199#14552#14353
20M → 21M19937+162#14353#14191
21M → 35K14111+130#14191#14061
35K → 23M19838+160#14061#13901
23M → 24M16026+134#13901#13767
24M → 40K14330+113#13767#13654
40K → 25.2M678+59#13654#13595
25.2M → Finish8466+18#13595#13577
TOTALS3826533+3293
📊

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