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BOSTON MARATHON 2023

Rachael Winslow

Bib: 18099•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 28%
Gender (Female)
#0 / 11423
Top 9%
Division (F18-39)
#0 / 4884
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:10
Rank: #9280
Start → 5K
23:10 | 7:27/mi
10K· 6.21 mi
46:28
Rank: #9824 (-544)
5K → 10K
23:18 | 7:30/mi
15K· 9.32 mi
1:09:32
Rank: #9687 (+137)
10K → 15K
23:04 | 7:25/mi
20K· 12.43 mi
1:32:27
Rank: #9318 (+369)
15K → 20K
22:55 | 7:23/mi
Half· 13.11 mi
1:37:24
Rank: #9251 (+67)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:55:00
Rank: #8856 (+395)
Half → 25K
17:36 | 7:16/mi
30K· 18.64 mi
2:17:41
Rank: #8256 (+600)
25K → 30K
22:41 | 7:18/mi
20M
2:27:52
Rank: #8131 (+125)
30K → 20M
10:11 | 7:30/mi
21M
2:35:42
Rank: #7989 (+142)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:41:03
Rank: #7894 (+95)
21M → 35K
5:21 | 7:09/mi
23M
2:50:26
Rank: #7765 (+129)
35K → 23M
9:23 | 7:30/mi
24M
2:57:48
Rank: #7687 (+78)
23M → 24M
7:22 | 7:22/mi
40K· 24.85 mi
3:04:07
Rank: #7603 (+84)
24M → 40K
6:19 | 7:23/mi
25.2M
3:06:48
Rank: #7556 (+47)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:14:08
Rank: #7492 (+64)
25.2M → Finish
7:20 | 7:12/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:37:24
Pace7:26 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:36:44
Pace7:23 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0523:107:2723:10
7:27
-
10K
6.21 mi11:43:2346:287:2923:18
7:30
+0:03
15K
9.32 mi12:06:271:09:327:2823:04
7:25
-0:05
20K
12.43 mi12:29:221:32:277:2622:55
7:23
-0:02
Half
13.11 mi12:34:191:37:247:264:57
7:15
-0:08
25K
15.53 mi12:51:551:55:007:2417:36
7:16
+0:01
30K
18.64 mi13:14:362:17:417:2322:41
7:18
+0:02
20M
20.00 mi13:24:472:27:527:2410:11
7:30
+0:12
21M
21.00 mi13:32:372:35:427:257:50
7:50
+0:20
35K
21.75 mi13:37:582:41:037:245:21
7:09
-0:41
23M
23.00 mi13:47:212:50:267:259:23
7:30
+0:21
24M
24.00 mi13:54:432:57:487:257:22
7:22
-0:08
40K
24.85 mi14:01:023:04:077:246:19
7:23
+0:01
25.2M
25.20 mi14:03:433:06:487:252:41
7:47
+0:24
Finish
26.22 mi14:11:033:14:087:257:20
7:12
-0:35

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

7:09 /mi

Average Pace

7:25 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:37

95% of race

Time at Steady Pace

10:31

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:24 /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 mi11:20:0523:107:2723:10
7:27
#9280
10K
6.21 mi11:43:2346:287:2923:18
7:30
#9824
15K
9.32 mi12:06:271:09:327:2823:04
7:25
#9687
20K
12.43 mi12:29:221:32:277:2622:55
7:23
#9318
Half
13.11 mi12:34:191:37:247:264:57
7:15
#9251
25K
15.53 mi12:51:551:55:007:2417:36
7:16
#8856
30K
18.64 mi13:14:362:17:417:2322:41
7:18
#8256
20M
20.00 mi13:24:472:27:527:2410:11
7:30
#8131
21M
21.00 mi13:32:372:35:427:257:50
7:50
#7989
35K
21.75 mi13:37:582:41:037:245:21
7:09
#7894
23M
23.00 mi13:47:212:50:267:259:23
7:30
#7765
24M
24.00 mi13:54:432:57:487:257:22
7:22
#7687
40K
24.85 mi14:01:023:04:077:246:19
7:23
#7603
25.2M
25.20 mi14:03:433:06:487:252:41
7:47
#7556
Finish
26.22 mi14:11:033:14:087:257:20
7:12
#7492
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9280152015209564(Top 36%)1645(Top 14%)1645(Top 34%)
10K6.21 mi3.10 mi9824-5441751-2311751-23110443(Top 39%)2020(Top 18%)2020(Top 41%)
15K9.32 mi3.11 mi9687+1371704+471704+479564(Top 36%)1645(Top 14%)1645(Top 34%)
20K12.43 mi3.11 mi9318+3691564+1401564+1408339(Top 31%)1234(Top 11%)1234(Top 25%)
Half13.11 mi0.68 mi9251+671540+241540+248295(Top 31%)1200(Top 11%)1200(Top 25%)
25K15.53 mi2.42 mi8856+3951392+1481392+1487035(Top 26%)850(Top 7%)850(Top 17%)
30K18.64 mi3.11 mi8256+6001213+1791213+1796042(Top 23%)645(Top 6%)645(Top 13%)
20M20.00 mi1.36 mi8131+1251184+291184+296769(Top 25%)948(Top 8%)948(Top 19%)
21M21.00 mi1.00 mi7989+1421143+411143+416367(Top 24%)905(Top 8%)905(Top 19%)
35K21.75 mi0.75 mi7894+951121+221121+226269(Top 24%)850(Top 7%)850(Top 17%)
23M23.00 mi1.25 mi7765+1291096+251096+256406(Top 24%)956(Top 8%)956(Top 20%)
24M24.00 mi1.00 mi7687+781083+131083+136861(Top 26%)1218(Top 11%)1218(Top 25%)
40K24.85 mi0.85 mi7603+841078+51078+56034(Top 23%)992(Top 9%)992(Top 20%)
25.2M25.20 mi0.35 mi7556+471075+31075+35366(Top 20%)858(Top 8%)858(Top 18%)
Finish26.22 mi1.02 mi7492+641072+31072+36424(Top 24%)1202(Top 11%)1202(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9564

Females

1645

F18-39

1645

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10443

Females

2020

F18-39

2020

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9564

Females

1645

F18-39

1645

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8339

Females

1234

F18-39

1234

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8295

Females

1200

F18-39

1200

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7035

Females

850

F18-39

850

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6042

Females

645

F18-39

645

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6769

Females

948

F18-39

948

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6367

Females

905

F18-39

905

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6269

Females

850

F18-39

850

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6406

Females

956

F18-39

956

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6861

Females

1218

F18-39

1218

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6034

Females

992

F18-39

992

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5366

Females

858

F18-39

858

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6424

Females

1202

F18-39

1202

Passing Analysis

Category:
Athletes Passed
2737
Passed By
949
Net Change
+1788
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9280
5K → 10K118662-544#9280#9824
10K → 15K246109+137#9824#9687
15K → 20K38819+369#9687#9318
20K → Half736+67#9318#9251
Half → 25K3961+395#9251#8856
25K → 30K6044+600#8856#8256
30K → 20M14722+125#8256#8131
20M → 21M15614+142#8131#7989
21M → 35K10611+95#7989#7894
35K → 23M15021+129#7894#7765
23M → 24M10325+78#7765#7687
24M → 40K10319+84#7687#7603
40K → 25.2M569+47#7603#7556
25.2M → Finish9127+64#7556#7492
TOTALS2737949+1788
📊

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