Capital Road Race Management
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BOSTON MARATHON 2023

Laura Ankrum

HI

Bib: 8457 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 23%
Gender (Female)
#0 / 11423
Top 6%
Masters (Masters Women)
#0 / 6539
Top 2%
Division (F50-54)
#0 / 1207
Top 0.2%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:37/mi
20:34
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:45/mi
41:32
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:45/mi
1:02:29
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:56/mi
1:24:00
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:59/mi
1:28:46
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:06/mi
1:46:00
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:43/mi
2:09:58
↑ 181↓ 1480.2%
138 ft elev
20M
7:39/mi
2:20:22
↑ 64↓ 500.2%
148 ft elev
21M
8:10/mi
2:28:32
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:32/mi
2:34:10
↑ 17↓ 861.7%
156 ft elev
23M
7:41/mi
2:43:47
↑ 23↓ 630.6%
116 ft elev
24M
7:38/mi
2:51:25
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:48/mi
2:58:05
↓ 200.3%
20 ft elev
25.2M
8:19/mi
3:00:57
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:35/mi
3:08:41
↑ 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
1:28:466:46 /mi⚡ faster
2nd Half
1:39:557:37 /mi+12.6%
Positive split — 12.6% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
20:346:373.11 mi20:34
6:37
-
10K
41:326:413.10 mi20:58
6:45
+0:08
15K
1:02:296:423.11 mi20:57
6:45
0:00
20K
1:24:006:463.11 mi21:31
6:56
+0:11
Half(13.11 mi)
1:28:466:460.68 mi4:46
6:59
+0:03
25K
1:46:006:492.42 mi17:14
7:06
+0:07
30K
2:09:586:583.11 mi23:58
7:43
+0:37
20M
2:20:227:011.36 mi10:24
7:39
-0:04
21M
2:28:327:041.00 mi8:10
8:10
+0:31
35K
2:34:107:050.75 mi5:38
7:32
-0:38
23M
2:43:477:071.25 mi9:37
7:41
+0:09
24M
2:51:257:091.00 mi7:38
7:38
-0:03
40K
2:58:057:100.85 mi6:40
7:48
+0:10
25.2M
3:00:577:110.35 mi2:52
8:19
+0:31
Finish(26.22 mi)
3:08:417:121.02 mi7:44
7:35
-0:44
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:37 /mi

Average Pace

7:12 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:46:00

56% of race

Time at Steady Pace

1:11:39

38% of race

Time at Slower Pace

11:02

6% of race

Average Pace: 7:12 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi30301561564564299299
10K3.10 mi3821-791220-64220-644825340340
15K3.11 mi4061-240239-19239-194564299299
20K3.11 mi4450-389284-45284-455534439439
Half(13.11 mi)0.68 mi4577-127303-19303-196508631631
25K2.42 mi4934-357343-40343-406171597597
30K3.11 mi5655-721460-117460-117874816091609
20M1.36 mi5760-105486-26486-26784613341334
21M1.00 mi5845-85520-34520-34843216871687
35K0.75 mi5891-46535-15535-15874417771777
23M1.25 mi5932-41558-23558-23763214201420
24M1.00 mi5986-54583-25583-25863819251925
40K0.85 mi6022-36598-15598-15867220082008
25.2M0.35 mi6033-11607-9607-9841319641964
Finish(26.22 mi)1.02 mi6106-73642-35642-35921223212321

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4564

Females

299

F50-54

299

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

4825

Females

340

F50-54

340

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4564

Females

299

F50-54

299

15K→20K

9.3 - 12.4 mi

Top 21%
×5story building
+106ft-86ft

Overall

5534

Females

439

F50-54

439

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6508

Females

631

F50-54

631

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6171

Females

597

F50-54

597

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

8748

Females

1609

F50-54

1609

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

7846

Females

1334

F50-54

1334

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

8432

Females

1687

F50-54

1687

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8744

Females

1777

F50-54

1777

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

7632

Females

1420

F50-54

1420

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8638

Females

1925

F50-54

1925

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8672

Females

2008

F50-54

2008

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8413

Females

1964

F50-54

1964

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9212

Females

2321

F50-54

2321

Passing Analysis

Category:
Passed
421
Passed By
3497
Net Change
-3076
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3030
5K → 10K23814-791#3030#3821
10K → 15K51291-240#3821#4061
15K → 20K26415-389#4061#4450
20K → Half4131-127#4450#4577
Half → 25K38395-357#4577#4934
25K → 30K20741-721#4934#5655
30K → 20M30135-105#5655#5760
20M → 21M35120-85#5760#5845
21M → 35K2066-46#5845#5891
35K → 23M4889-41#5891#5932
23M → 24M3993-54#5932#5986
24M → 40K4177-36#5986#6022
40K → 25.2M2031-11#6022#6033
25.2M → Finish2699-73#6033#6106
TOTALS4213497-3076

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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