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BOSTON MARATHON 2023

Barb Imhof

Bib: 23102•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:54
Rank: #20364
Start → 5K
27:54 | 8:59/mi
10K· 6.21 mi
56:20
Rank: #20923 (-559)
5K → 10K
28:26 | 9:09/mi
15K· 9.32 mi
1:25:00
Rank: #21109 (-186)
10K → 15K
28:40 | 9:14/mi
20K· 12.43 mi
1:53:29
Rank: #20920 (+189)
15K → 20K
28:29 | 9:10/mi
Half· 13.11 mi
1:59:50
Rank: #20951 (-31)
20K → Half
6:21 | 9:18/mi
25K· 15.53 mi
2:22:25
Rank: #20830 (+121)
Half → 25K
22:35 | 9:19/mi
30K· 18.64 mi
2:53:13
Rank: #20798 (+32)
25K → 30K
30:48 | 9:55/mi
20M
3:06:17
Rank: #20654 (+144)
30K → 20M
13:04 | 9:37/mi
21M
3:16:46
Rank: #20578 (+76)
20M → 21M
10:29 | 10:29/mi
35K· 21.75 mi
3:23:29
Rank: #20482 (+96)
21M → 35K
6:43 | 8:59/mi
23M
3:35:32
Rank: #20364 (+118)
35K → 23M
12:03 | 9:37/mi
24M
3:44:55
Rank: #20304 (+60)
23M → 24M
9:23 | 9:23/mi
40K· 24.85 mi
3:53:09
Rank: #20237 (+67)
24M → 40K
8:14 | 9:38/mi
25.2M
3:56:40
Rank: #20212 (+25)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
4:05:52
Rank: #20139 (+73)
25.2M → Finish
9:12 | 9:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:50
Pace9:08 /mi
2nd Half
Distance13.11 mi
Time2:06:02
Pace9:37 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:0227:548:5927:54
8:59
-
10K
6.21 mi11:52:2856:209:0428:26
9:09
+0:10
15K
9.32 mi12:21:081:25:009:0728:40
9:14
+0:05
20K
12.43 mi12:49:371:53:299:0828:29
9:10
-0:04
Half
13.11 mi12:55:581:59:509:086:21
9:18
+0:08
25K
15.53 mi13:18:332:22:259:1022:35
9:19
+0:01
30K
18.64 mi13:49:212:53:139:1830:48
9:55
+0:36
20M
20.00 mi14:02:253:06:179:1913:04
9:37
-0:18
21M
21.00 mi14:12:543:16:469:2210:29
10:29
+0:52
35K
21.75 mi14:19:373:23:299:216:43
8:59
-1:30
23M
23.00 mi14:31:403:35:329:2212:03
9:37
+0:38
24M
24.00 mi14:41:033:44:559:229:23
9:23
-0:14
40K
24.85 mi14:49:173:53:099:238:14
9:38
+0:15
25.2M
25.20 mi14:52:483:56:409:233:31
10:12
+0:34
Finish
26.22 mi15:02:004:05:529:239:12
9:02
-1:10

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

8:59 /mi

Average Pace

9:23 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:04

82% of race

Time at Steady Pace

44:48

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:23 /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 mi11:24:0227:548:5927:54
8:59
#20364
10K
6.21 mi11:52:2856:209:0428:26
9:09
#20923
15K
9.32 mi12:21:081:25:009:0728:40
9:14
#21109
20K
12.43 mi12:49:371:53:299:0828:29
9:10
#20920
Half
13.11 mi12:55:581:59:509:086:21
9:18
#20951
25K
15.53 mi13:18:332:22:259:1022:35
9:19
#20830
30K
18.64 mi13:49:212:53:139:1830:48
9:55
#20798
20M
20.00 mi14:02:253:06:179:1913:04
9:37
#20654
21M
21.00 mi14:12:543:16:469:2210:29
10:29
#20578
35K
21.75 mi14:19:373:23:299:216:43
8:59
#20482
23M
23.00 mi14:31:403:35:329:2212:03
9:37
#20364
24M
24.00 mi14:41:033:44:559:229:23
9:23
#20304
40K
24.85 mi14:49:173:53:099:238:14
9:38
#20237
25.2M
25.20 mi14:52:483:56:409:233:31
10:12
#20212
Finish
26.22 mi15:02:004:05:529:239:12
9:02
#20139
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi203648034803421397(Top 80%)8448(Top 74%)8448(Top 1603%)
10K6.21 mi3.10 mi20923-5598280-2468280-24621477(Top 81%)8544(Top 75%)8544(Top 1621%)
15K9.32 mi3.11 mi21109-1868343-638343-6321397(Top 80%)8448(Top 74%)8448(Top 1603%)
20K12.43 mi3.11 mi20920+1898230+1138230+11320440(Top 77%)7924(Top 69%)7924(Top 1504%)
Half13.11 mi0.68 mi20951-318244-148244-1421546(Top 81%)8532(Top 75%)8532(Top 1619%)
25K15.53 mi2.42 mi20830+1218165+798165+7920248(Top 76%)7836(Top 69%)7836(Top 1487%)
30K18.64 mi3.11 mi20798+328158+78158+720785(Top 78%)8219(Top 72%)8219(Top 1560%)
20M20.00 mi1.36 mi20654+1448107+518107+5119295(Top 72%)7456(Top 65%)7456(Top 1415%)
21M21.00 mi1.00 mi20578+768072+358072+3519566(Top 73%)7684(Top 67%)7684(Top 1458%)
35K21.75 mi0.75 mi20482+968032+408032+4017869(Top 67%)6771(Top 59%)6771(Top 1285%)
23M23.00 mi1.25 mi20364+1187975+577975+5718846(Top 71%)7320(Top 64%)7320(Top 1389%)
24M24.00 mi1.00 mi20304+607947+287947+2818814(Top 71%)7343(Top 64%)7343(Top 1393%)
40K24.85 mi0.85 mi20237+677925+227925+2218824(Top 71%)7397(Top 65%)7397(Top 1404%)
25.2M25.20 mi0.35 mi20212+257914+117914+1118174(Top 68%)7054(Top 62%)7054(Top 1339%)
Finish26.22 mi1.02 mi20139+737887+277887+2718140(Top 68%)6978(Top 61%)6978(Top 1324%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

21397

Females

8448

F60-64

8448

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

21477

Females

8544

F60-64

8544

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

21397

Females

8448

F60-64

8448

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20440

Females

7924

F60-64

7924

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

21546

Females

8532

F60-64

8532

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20248

Females

7836

F60-64

7836

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

20785

Females

8219

F60-64

8219

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19295

Females

7456

F60-64

7456

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

19566

Females

7684

F60-64

7684

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17869

Females

6771

F60-64

6771

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18846

Females

7320

F60-64

7320

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

18814

Females

7343

F60-64

7343

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18824

Females

7397

F60-64

7397

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18174

Females

7054

F60-64

7054

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

18140

Females

6978

F60-64

6978

Passing Analysis

Category:
Athletes Passed
1566
Passed By
1341
Net Change
+225
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20364
5K → 10K91650-559#20364#20923
10K → 15K97283-186#20923#21109
15K → 20K25566+189#21109#20920
20K → Half1950-31#20920#20951
Half → 25K16342+121#20951#20830
25K → 30K164132+32#20830#20798
30K → 20M15511+144#20798#20654
20M → 21M11438+76#20654#20578
21M → 35K1015+96#20578#20482
35K → 23M13618+118#20482#20364
23M → 24M7414+60#20364#20304
24M → 40K8114+67#20304#20237
40K → 25.2M316+25#20237#20212
25.2M → Finish8512+73#20212#20139
TOTALS15661341+225
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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