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BOSTON MARATHON 2023

Claudia Brinkruff

Bib: 9113•F

IN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 21%
Gender (Female)
#0 / 11423
Top 4%
Masters (Masters Women)
#0 / 6539
Top 1%
Division (F45-49)
#0 / 1817
Top 1%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:33
Rank: #2995
Start → 5K
20:33 | 6:37/mi
10K· 6.21 mi
41:00
Rank: #3161 (-166)
5K → 10K
20:27 | 6:35/mi
15K· 9.32 mi
1:01:56
Rank: #3519 (-358)
10K → 15K
20:56 | 6:44/mi
20K· 12.43 mi
1:23:30
Rank: #4049 (-530)
15K → 20K
21:34 | 6:56/mi
Half· 13.11 mi
1:28:11
Rank: #4157 (-108)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:45:27
Rank: #4577 (-420)
Half → 25K
17:16 | 7:07/mi
30K· 18.64 mi
2:08:22
Rank: #5058 (-481)
25K → 30K
22:55 | 7:23/mi
20M
2:18:35
Rank: #5225 (-167)
30K → 20M
10:13 | 7:31/mi
21M
2:26:35
Rank: #5286 (-61)
20M → 21M
8:00 | 8:00/mi
35K· 21.75 mi
2:32:09
Rank: #5363 (-77)
21M → 35K
5:34 | 7:26/mi
23M
2:41:42
Rank: #5401 (-38)
35K → 23M
9:33 | 7:38/mi
24M
2:49:11
Rank: #5451 (-50)
23M → 24M
7:29 | 7:29/mi
40K· 24.85 mi
2:55:44
Rank: #5479 (-28)
24M → 40K
6:33 | 7:40/mi
25.2M
2:58:36
Rank: #5488 (-9)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:06:21
Rank: #5552 (-64)
25.2M → Finish
7:45 | 7:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:11
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:38:10
Pace7:29 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:0820:336:3720:33
6:37
-
10K
6.21 mi11:06:3541:006:3620:27
6:35
-0:02
15K
9.32 mi11:27:311:01:566:3920:56
6:44
+0:09
20K
12.43 mi11:49:051:23:306:4321:34
6:56
+0:12
Half
13.11 mi11:53:461:28:116:444:41
6:52
-0:04
25K
15.53 mi12:11:021:45:276:4717:16
7:07
+0:15
30K
18.64 mi12:33:572:08:226:5322:55
7:23
+0:16
20M
20.00 mi12:44:102:18:356:5610:13
7:31
+0:08
21M
21.00 mi12:52:102:26:356:598:00
8:00
+0:29
35K
21.75 mi12:57:442:32:097:005:34
7:26
-0:34
23M
23.00 mi13:07:172:41:427:029:33
7:38
+0:12
24M
24.00 mi13:14:462:49:117:037:29
7:29
-0:09
40K
24.85 mi13:21:192:55:447:046:33
7:40
+0:11
25.2M
25.20 mi13:24:112:58:367:052:52
8:19
+0:39
Finish
26.22 mi13:31:563:06:217:077:45
7:36
-0:43

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

6:35 /mi

Average Pace

7:07 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:27

57% of race

Time at Steady Pace

1:10:02

38% of race

Time at Slower Pace

10:52

6% of race

Average Pace: 7:06 /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 mi10:46:0820:336:3720:33
6:37
#2995
10K
6.21 mi11:06:3541:006:3620:27
6:35
#3161
15K
9.32 mi11:27:311:01:566:3920:56
6:44
#3519
20K
12.43 mi11:49:051:23:306:4321:34
6:56
#4049
Half
13.11 mi11:53:461:28:116:444:41
6:52
#4157
25K
15.53 mi12:11:021:45:276:4717:16
7:07
#4577
30K
18.64 mi12:33:572:08:226:5322:55
7:23
#5058
20M
20.00 mi12:44:102:18:356:5610:13
7:31
#5225
21M
21.00 mi12:52:102:26:356:598:00
8:00
#5286
35K
21.75 mi12:57:442:32:097:005:34
7:26
#5363
23M
23.00 mi13:07:172:41:427:029:33
7:38
#5401
24M
24.00 mi13:14:462:49:117:037:29
7:29
#5451
40K
24.85 mi13:21:192:55:447:046:33
7:40
#5479
25.2M
25.20 mi13:24:112:58:367:052:52
8:19
#5488
Finish
26.22 mi13:31:563:06:217:077:45
7:36
#5552
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi29951531534514(Top 17%)295(Top 3%)295(Top 16%)
10K6.21 mi3.10 mi3161-166158-5158-53381(Top 13%)168(Top 1%)168(Top 9%)
15K9.32 mi3.11 mi3519-358186-28186-284514(Top 17%)295(Top 3%)295(Top 16%)
20K12.43 mi3.11 mi4049-530242-56242-565630(Top 21%)457(Top 4%)457(Top 25%)
Half13.11 mi0.68 mi4157-108251-9251-95840(Top 22%)478(Top 4%)478(Top 26%)
25K15.53 mi2.42 mi4577-420299-48299-486249(Top 23%)621(Top 5%)621(Top 34%)
30K18.64 mi3.11 mi5058-481363-64363-646473(Top 24%)751(Top 7%)751(Top 41%)
20M20.00 mi1.36 mi5225-167392-29392-296920(Top 26%)988(Top 9%)988(Top 54%)
21M21.00 mi1.00 mi5286-61412-20412-207356(Top 28%)1252(Top 11%)1252(Top 69%)
35K21.75 mi0.75 mi5363-77430-18430-188106(Top 30%)1524(Top 13%)1524(Top 84%)
23M23.00 mi1.25 mi5401-38444-14444-147274(Top 27%)1271(Top 11%)1271(Top 70%)
24M24.00 mi1.00 mi5451-50460-16460-167610(Top 29%)1515(Top 13%)1515(Top 83%)
40K24.85 mi0.85 mi5479-28477-17477-177725(Top 29%)1632(Top 14%)1632(Top 90%)
25.2M25.20 mi0.35 mi5488-9482-5482-58410(Top 32%)1961(Top 17%)1961(Top 108%)
Finish26.22 mi1.02 mi5552-64508-26508-269313(Top 35%)2371(Top 21%)2371(Top 130%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4514

Females

295

F45-49

295

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3381

Females

168

F45-49

168

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4514

Females

295

F45-49

295

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5630

Females

457

F45-49

457

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5840

Females

478

F45-49

478

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6249

Females

621

F45-49

621

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6473

Females

751

F45-49

751

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6920

Females

988

F45-49

988

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7356

Females

1252

F45-49

1252

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8106

Females

1524

F45-49

1524

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7274

Females

1271

F45-49

1271

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7610

Females

1515

F45-49

1515

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7725

Females

1632

F45-49

1632

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8410

Females

1961

F45-49

1961

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9313

Females

2371

F45-49

2371

Passing Analysis

Category:
Athletes Passed
447
Passed By
3004
Net Change
-2557
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2995
5K → 10K95261-166#2995#3161
10K → 15K23381-358#3161#3519
15K → 20K11541-530#3519#4049
20K → Half0108-108#4049#4157
Half → 25K26446-420#4157#4577
25K → 30K37518-481#4577#5058
30K → 20M30197-167#5058#5225
20M → 21M3394-61#5225#5286
21M → 35K1390-77#5286#5363
35K → 23M5492-38#5363#5401
23M → 24M3585-50#5401#5451
24M → 40K3664-28#5451#5479
40K → 25.2M2130-9#5479#5488
25.2M → Finish3397-64#5488#5552
TOTALS4473004-2557
📊

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