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BOSTON MARATHON 2025

Carrie-Anne Dedeo

Bib: 19836•F

MA

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 (F45-49)
#0 / 1813
Top 36%
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
8:08/mi
25:15
↑ 97↓ 3451.5%
10K· 6.21 mi
8:18/mi
51:01
↑ 79↓ 1380.4%
15K· 9.32 mi
8:09/mi
1:16:21
↑ 67↓ 78
20K· 12.43 mi
8:14/mi
1:41:57
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:47:30
↑ 19↓ 370.5%
25K· 15.53 mi
8:23/mi
2:07:49
↑ 66↓ 880.2%
30K· 18.64 mi
8:28/mi
2:34:06
↑ 181↓ 1480.2%
20M
8:34/mi
2:45:44
↑ 64↓ 500.2%
21M
9:01/mi
2:54:45
↑ 106↓ 241.6%
35K· 21.75 mi
8:24/mi
3:01:02
↑ 17↓ 861.7%
23M
8:40/mi
3:11:53
↑ 23↓ 630.6%
24M
8:33/mi
3:20:26
↓ 821.3%
40K· 24.85 mi
8:51/mi
3:28:00
↓ 200.3%
25.2M
9:17/mi
3:31:12
↑ 13↓ 160.2%
Finish· 26.22 mi
8:05/mi
3:39:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:30
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:51:56
Pace8:32 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5125:158:0825:15
8:08
-
10K
6.21 mi11:42:3751:018:1325:46
8:18
+0:10
15K
9.32 mi12:07:571:16:218:1125:20
8:09
-0:09
20K
12.43 mi12:33:331:41:578:1225:36
8:14
+0:05
Half
13.11 mi12:39:061:47:308:125:33
8:08
-0:06
25K
15.53 mi12:59:252:07:498:1420:19
8:23
+0:15
30K
18.64 mi13:25:422:34:068:1626:17
8:28
+0:05
20M
20.00 mi13:37:202:45:448:1711:38
8:34
+0:06
21M
21.00 mi13:46:212:54:458:199:01
9:01
+0:27
35K
21.75 mi13:52:383:01:028:196:17
8:24
-0:37
23M
23.00 mi14:03:293:11:538:2110:51
8:40
+0:16
24M
24.00 mi14:12:023:20:268:218:33
8:33
-0:07
40K
24.85 mi14:19:363:28:008:227:34
8:51
+0:18
25.2M
25.20 mi14:22:483:31:128:233:12
9:17
+0:26
Finish
26.22 mi14:31:023:39:268:238:14
8:05
-1:12

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

8:05 /mi

Average Pace

8:23 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:13

94% of race

Time at Steady Pace

12:13

6% of race

Time at Slower Pace

0:00

0% 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 mi11:16:5125:158:0825:15
8:08
#17560
10K
6.21 mi11:42:3751:018:1325:46
8:18
#18049
15K
9.32 mi12:07:571:16:218:1125:20
8:09
#17709
20K
12.43 mi12:33:331:41:578:1225:36
8:14
#17370
Half
13.11 mi12:39:061:47:308:125:33
8:08
#17327
25K
15.53 mi12:59:252:07:498:1420:19
8:23
#17138
30K
18.64 mi13:25:422:34:068:1626:17
8:28
#16635
20M
20.00 mi13:37:202:45:448:1711:38
8:34
#16418
21M
21.00 mi13:46:212:54:458:199:01
9:01
#16216
35K
21.75 mi13:52:383:01:028:196:17
8:24
#16135
23M
23.00 mi14:03:293:11:538:2110:51
8:40
#15975
24M
24.00 mi14:12:023:20:268:218:33
8:33
#15913
40K
24.85 mi14:19:363:28:008:227:34
8:51
#15867
25.2M
25.20 mi14:22:483:31:128:233:12
9:17
#15824
Finish
26.22 mi14:31:023:39:268:238:14
8:05
#15729
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi175606067606717106(Top 60%)5792(Top 47%)5792(Top 319%)
10K6.21 mi3.10 mi18049-4896360-2936360-29318509(Top 65%)6602(Top 54%)6602(Top 364%)
15K9.32 mi3.11 mi17709+3406147+2136147+21317106(Top 60%)5792(Top 47%)5792(Top 319%)
20K12.43 mi3.11 mi17370+3395958+1895958+18916571(Top 58%)5527(Top 45%)5527(Top 305%)
Half13.11 mi0.68 mi17327+435941+175941+1716892(Top 59%)5695(Top 47%)5695(Top 314%)
25K15.53 mi2.42 mi17138+1895848+935848+9316443(Top 58%)5554(Top 45%)5554(Top 306%)
30K18.64 mi3.11 mi16635+5035600+2485600+24814529(Top 51%)4648(Top 38%)4648(Top 256%)
20M20.00 mi1.36 mi16418+2175509+915509+9114196(Top 50%)4618(Top 38%)4618(Top 255%)
21M21.00 mi1.00 mi16216+2025421+885421+8813652(Top 48%)4447(Top 36%)4447(Top 245%)
35K21.75 mi0.75 mi16135+815404+175404+1714885(Top 52%)5174(Top 42%)5174(Top 285%)
23M23.00 mi1.25 mi15975+1605353+515353+5114358(Top 51%)4995(Top 41%)4995(Top 276%)
24M24.00 mi1.00 mi15913+625328+255328+2514844(Top 52%)5299(Top 43%)5299(Top 292%)
40K24.85 mi0.85 mi15867+465325+35325+315488(Top 55%)5793(Top 47%)5793(Top 320%)
25.2M25.20 mi0.35 mi15824+435316+95316+913425(Top 47%)4734(Top 39%)4734(Top 261%)
Finish26.22 mi1.02 mi15729+955289+275289+2713482(Top 47%)4690(Top 38%)4690(Top 259%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

17106

Females

5792

F45-49

5792

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

18509

Females

6602

F45-49

6602

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

17106

Females

5792

F45-49

5792

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

16571

Females

5527

F45-49

5527

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16892

Females

5695

F45-49

5695

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16443

Females

5554

F45-49

5554

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14529

Females

4648

F45-49

4648

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

14196

Females

4618

F45-49

4618

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13652

Females

4447

F45-49

4447

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

14885

Females

5174

F45-49

5174

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14358

Females

4995

F45-49

4995

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

14844

Females

5299

F45-49

5299

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15488

Females

5793

F45-49

5793

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13425

Females

4734

F45-49

4734

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13482

Females

4690

F45-49

4690

Passing Analysis

Category:
Athletes Passed
2850
Passed By
1019
Net Change
+1831
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17560
5K → 10K120609-489#17560#18049
10K → 15K39959+340#18049#17709
15K → 20K37940+339#17709#17370
20K → Half5916+43#17370#17327
Half → 25K25364+189#17327#17138
25K → 30K52926+503#17138#16635
30K → 20M23922+217#16635#16418
20M → 21M22220+202#16418#16216
21M → 35K10423+81#16216#16135
35K → 23M18828+160#16135#15975
23M → 24M9533+62#15975#15913
24M → 40K9145+46#15913#15867
40K → 25.2M529+43#15867#15824
25.2M → Finish12025+95#15824#15729
TOTALS28501019+1831
📊

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