Capital Road Race Management
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BOSTON MARATHON 2025

Debra Isser

DE

Bib: 25064 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F70-74)
#0 / 71
Top 6%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:55/mi
27:41
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:02/mi
55:46
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:59/mi
1:23:42
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:01/mi
1:51:42
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:54/mi
1:57:46
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:09/mi
2:19:56
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:22/mi
2:49:03
↑ 181↓ 1480.2%
138 ft elev
20M
9:07/mi
3:01:26
↑ 64↓ 500.2%
148 ft elev
21M
9:29/mi
3:10:55
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:20/mi
3:17:09
↑ 17↓ 861.7%
156 ft elev
23M
8:32/mi
3:27:50
↑ 23↓ 630.6%
116 ft elev
24M
8:17/mi
3:36:07
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:21/mi
3:43:15
↓ 200.3%
20 ft elev
25.2M
9:11/mi
3:46:25
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:23/mi
3:54:58
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:57:468:59 /mi⚖️ balanced
2nd Half
1:57:128:56 /mi⚖️ balanced
Even split — consistent pacing between halves
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
27:418:553.11 mi27:41
8:55
-
10K
55:468:583.10 mi28:05
9:02
+0:07
15K
1:23:428:593.11 mi27:56
8:59
-0:03
20K
1:51:428:593.11 mi28:00
9:01
+0:02
Half(13.11 mi)
1:57:468:590.68 mi6:04
8:54
-0:07
25K
2:19:569:002.42 mi22:10
9:09
+0:15
30K
2:49:039:043.11 mi29:07
9:22
+0:13
20M
3:01:269:041.36 mi12:23
9:07
-0:15
21M
3:10:559:051.00 mi9:29
9:29
+0:22
35K
3:17:099:040.75 mi6:14
8:20
-1:09
23M
3:27:509:021.25 mi10:41
8:32
+0:12
24M
3:36:079:001.00 mi8:17
8:17
-0:15
40K
3:43:158:590.85 mi7:08
8:21
+0:04
25.2M
3:46:258:590.35 mi3:10
9:11
+0:50
Finish(26.22 mi)
3:54:588:581.02 mi8:33
8:23
-0:48
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:17 /mi

Average Pace

8:58 /mi

Slowest Pace

9:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:38:39

68% of race

Time at Steady Pace

1:16:19

32% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:58 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF70-74Seg. OverallSeg. FemalesSeg. F70-74
5K3.11 mi22040864686462199285438543
10K3.10 mi22328-2888798-1528798-1522254988908890
15K3.11 mi22196+1328697+1018697+1012199285438543
20K3.11 mi21886+3108538+1598538+1592103880808080
Half(13.11 mi)0.68 mi21840+468514+248514+242136182228222
25K2.42 mi21591+2498377+1378377+1372053978347834
30K3.11 mi21188+4038185+1928185+1921943373557355
20M1.36 mi20898+2908041+1448041+1441739963726372
21M1.00 mi20604+2947908+1337908+1331603257285728
35K0.75 mi20431+1737828+807828+801455050045004
23M1.25 mi20097+3347680+1487680+1481356145674567
24M1.00 mi19828+2697549+1317549+1311319944384438
40K0.85 mi19580+2487425+1247425+1241248641954195
25.2M0.35 mi19473+1077370+557370+551295045084508
Finish(26.22 mi)1.02 mi19329+1447314+567314+561555957995799

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

21992

Females

8543

F70-74

8543

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22549

Females

8890

F70-74

8890

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

21992

Females

8543

F70-74

8543

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

21038

Females

8080

F70-74

8080

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21361

Females

8222

F70-74

8222

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

20539

Females

7834

F70-74

7834

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

19433

Females

7355

F70-74

7355

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17399

Females

6372

F70-74

6372

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

16032

Females

5728

F70-74

5728

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

14550

Females

5004

F70-74

5004

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

13561

Females

4567

F70-74

4567

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

13199

Females

4438

F70-74

4438

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12486

Females

4195

F70-74

4195

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12950

Females

4508

F70-74

4508

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15559

Females

5799

F70-74

5799

Passing Analysis

Category:
Passed
3400
Passed By
689
Net Change
+2711
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22040
5K → 10K145433-288#22040#22328
10K → 15K253121+132#22328#22196
15K → 20K35343+310#22196#21886
20K → Half5812+46#21886#21840
Half → 25K27526+249#21840#21591
25K → 30K43835+403#21591#21188
30K → 20M2944+290#21188#20898
20M → 21M2973+294#20898#20604
21M → 35K1752+173#20604#20431
35K → 23M3340+334#20431#20097
23M → 24M2701+269#20097#19828
24M → 40K2480+248#19828#19580
40K → 25.2M1081+107#19580#19473
25.2M → Finish1528+144#19473#19329
TOTALS3400689+2711

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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