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BOSTON MARATHON 2023

Courtney Winterbauer

Bib: 8278•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 18%
Gender (Female)
#0 / 11423
Top 3%
Division (F18-39)
#0 / 4884
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:27
Rank: #2761
Start → 5K
20:27 | 6:35/mi
10K· 6.21 mi
41:03
Rank: #3216 (-455)
5K → 10K
20:36 | 6:38/mi
15K· 9.32 mi
1:01:40
Rank: #3324 (-108)
10K → 15K
20:37 | 6:38/mi
20K· 12.43 mi
1:23:11
Rank: #3813 (-489)
15K → 20K
21:31 | 6:56/mi
Half· 13.11 mi
1:27:54
Rank: #3942 (-129)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:44:55
Rank: #4265 (-323)
Half → 25K
17:01 | 7:01/mi
30K· 18.64 mi
2:07:33
Rank: #4692 (-427)
25K → 30K
22:38 | 7:17/mi
20M
2:17:40
Rank: #4847 (-155)
30K → 20M
10:07 | 7:27/mi
21M
2:25:31
Rank: #4951 (-104)
20M → 21M
7:51 | 7:51/mi
35K· 21.75 mi
2:30:46
Rank: #4959 (-8)
21M → 35K
5:15 | 7:01/mi
23M
2:40:03
Rank: #4971 (-12)
35K → 23M
9:17 | 7:25/mi
24M
2:47:19
Rank: #4994 (-23)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
2:53:37
Rank: #4986 (+8)
24M → 40K
6:18 | 7:22/mi
25.2M
2:56:17
Rank: #4975 (+11)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:03:15
Rank: #4894 (+81)
25.2M → Finish
6:58 | 6:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:54
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:35:21
Pace7:16 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:3520:276:3520:27
6:35
-
10K
6.21 mi11:06:1141:036:3620:36
6:38
+0:03
15K
9.32 mi11:26:481:01:406:3720:37
6:38
0:00
20K
12.43 mi11:48:191:23:116:4221:31
6:56
+0:18
Half
13.11 mi11:53:021:27:546:424:43
6:55
-0:01
25K
15.53 mi12:10:031:44:556:4517:01
7:01
+0:06
30K
18.64 mi12:32:412:07:336:5122:38
7:17
+0:16
20M
20.00 mi12:42:482:17:406:5310:07
7:27
+0:10
21M
21.00 mi12:50:392:25:316:567:51
7:51
+0:24
35K
21.75 mi12:55:542:30:466:565:15
7:01
-0:50
23M
23.00 mi13:05:112:40:036:589:17
7:25
+0:24
24M
24.00 mi13:12:272:47:196:587:16
7:16
-0:09
40K
24.85 mi13:18:452:53:376:596:18
7:22
+0:06
25.2M
25.20 mi13:21:252:56:177:002:40
7:44
+0:22
Finish
26.22 mi13:28:233:03:157:006:58
6:50
-0:54

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

7:00 /mi

Slowest Pace

7:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:08

64% of race

Time at Steady Pace

58:16

32% of race

Time at Slower Pace

7:51

4% of race

Average Pace: 6:59 /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 mi10:45:3520:276:3520:27
6:35
#2761
10K
6.21 mi11:06:1141:036:3620:36
6:38
#3216
15K
9.32 mi11:26:481:01:406:3720:37
6:38
#3324
20K
12.43 mi11:48:191:23:116:4221:31
6:56
#3813
Half
13.11 mi11:53:021:27:546:424:43
6:55
#3942
25K
15.53 mi12:10:031:44:556:4517:01
7:01
#4265
30K
18.64 mi12:32:412:07:336:5122:38
7:17
#4692
20M
20.00 mi12:42:482:17:406:5310:07
7:27
#4847
21M
21.00 mi12:50:392:25:316:567:51
7:51
#4951
35K
21.75 mi12:55:542:30:466:565:15
7:01
#4959
23M
23.00 mi13:05:112:40:036:589:17
7:25
#4971
24M
24.00 mi13:12:272:47:196:587:16
7:16
#4994
40K
24.85 mi13:18:452:53:376:596:18
7:22
#4986
25.2M
25.20 mi13:21:252:56:177:002:40
7:44
#4975
Finish
26.22 mi13:28:233:03:157:006:58
6:50
#4894
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27611321323608(Top 14%)200(Top 2%)200(Top 4%)
10K6.21 mi3.10 mi3216-455163-31163-313741(Top 14%)205(Top 2%)205(Top 4%)
15K9.32 mi3.11 mi3324-108167-4167-43608(Top 14%)200(Top 2%)200(Top 4%)
20K12.43 mi3.11 mi3813-489209-42209-425530(Top 21%)435(Top 4%)435(Top 9%)
Half13.11 mi0.68 mi3942-129230-21230-216112(Top 23%)529(Top 5%)529(Top 11%)
25K15.53 mi2.42 mi4265-323262-32262-325691(Top 21%)471(Top 4%)471(Top 10%)
30K18.64 mi3.11 mi4692-427313-51313-515945(Top 22%)602(Top 5%)602(Top 12%)
20M20.00 mi1.36 mi4847-155338-25338-256450(Top 24%)827(Top 7%)827(Top 17%)
21M21.00 mi1.00 mi4951-104358-20358-206461(Top 24%)925(Top 8%)925(Top 19%)
35K21.75 mi0.75 mi4959-8367-9367-95473(Top 21%)603(Top 5%)603(Top 12%)
23M23.00 mi1.25 mi4971-12376-9376-95961(Top 22%)790(Top 7%)790(Top 16%)
24M24.00 mi1.00 mi4994-23393-17393-176161(Top 23%)953(Top 8%)953(Top 20%)
40K24.85 mi0.85 mi4986+8390+3390+35903(Top 22%)934(Top 8%)934(Top 19%)
25.2M25.20 mi0.35 mi4975+113903905087(Top 19%)732(Top 6%)732(Top 15%)
Finish26.22 mi1.02 mi4894+81383+7383+74301(Top 16%)526(Top 5%)526(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3608

Females

200

F18-39

200

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3741

Females

205

F18-39

205

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3608

Females

200

F18-39

200

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5530

Females

435

F18-39

435

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6112

Females

529

F18-39

529

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5691

Females

471

F18-39

471

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5945

Females

602

F18-39

602

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6450

Females

827

F18-39

827

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6461

Females

925

F18-39

925

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5473

Females

603

F18-39

603

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5961

Females

790

F18-39

790

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6161

Females

953

F18-39

953

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5903

Females

934

F18-39

934

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5087

Females

732

F18-39

732

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4301

Females

526

F18-39

526

Passing Analysis

Category:
Athletes Passed
533
Passed By
2666
Net Change
-2133
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2761
5K → 10K34489-455#2761#3216
10K → 15K58166-108#3216#3324
15K → 20K16505-489#3324#3813
20K → Half3132-129#3813#3942
Half → 25K22345-323#3942#4265
25K → 30K38465-427#4265#4692
30K → 20M33188-155#4692#4847
20M → 21M28132-104#4847#4951
21M → 35K3240-8#4951#4959
35K → 23M7385-12#4959#4971
23M → 24M3962-23#4971#4994
24M → 40K4537+8#4994#4986
40K → 25.2M209+11#4986#4975
25.2M → Finish9211+81#4975#4894
TOTALS5332666-2133
📊

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