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BOSTON MARATHON 2023

Sheila Barrett

Bib: 22556•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 34%
Masters (Masters Women)
#0 / 6539
Top 21%
Division (F45-49)
#0 / 1817
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:24/mi
26:06
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
51:21
↑ 79↓ 1380.4%
15K· 9.32 mi
8:09/mi
1:16:41
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:42:25
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:47:59
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
2:07:14
↑ 66↓ 880.2%
30K· 18.64 mi
8:14/mi
2:32:49
↑ 181↓ 1480.2%
20M
8:15/mi
2:44:02
↑ 64↓ 500.2%
21M
8:43/mi
2:52:45
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:58:20
↑ 17↓ 861.7%
23M
8:07/mi
3:08:30
↑ 23↓ 630.6%
24M
7:49/mi
3:16:19
↓ 821.3%
40K· 24.85 mi
7:54/mi
3:23:04
↓ 200.3%
25.2M
8:36/mi
3:26:02
↑ 13↓ 160.2%
Finish· 26.22 mi
7:44/mi
3:33:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:47:59
Pace8:14 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:45:56
Pace8:05 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3626:068:2426:06
8:24
-
10K
6.21 mi11:44:5151:218:1625:15
8:08
-0:16
15K
9.32 mi12:10:111:16:418:1425:20
8:09
+0:01
20K
12.43 mi12:35:551:42:258:1425:44
8:17
+0:08
Half
13.11 mi12:41:291:47:598:145:34
8:10
-0:07
25K
15.53 mi13:00:442:07:148:1119:15
7:56
-0:14
30K
18.64 mi13:26:192:32:498:1225:35
8:14
+0:18
20M
20.00 mi13:37:322:44:028:1211:13
8:15
+0:01
21M
21.00 mi13:46:152:52:458:148:43
8:43
+0:28
35K
21.75 mi13:51:502:58:208:125:35
7:28
-1:15
23M
23.00 mi14:02:003:08:308:1210:10
8:07
+0:39
24M
24.00 mi14:09:493:16:198:117:49
7:49
-0:18
40K
24.85 mi14:16:343:23:048:106:45
7:54
+0:05
25.2M
25.20 mi14:19:323:26:028:112:58
8:36
+0:42
Finish
26.22 mi14:27:253:33:558:107:53
7:44
-0:52

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

7:28 /mi

Average Pace

8:10 /mi

Slowest Pace

8:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:36

53% of race

Time at Steady Pace

1:40:19

47% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi11:19:3626:068:2426:06
8:24
#16881
10K
6.21 mi11:44:5151:218:1625:15
8:08
#16264
15K
9.32 mi12:10:111:16:418:1425:20
8:09
#16018
20K
12.43 mi12:35:551:42:258:1425:44
8:17
#15859
Half
13.11 mi12:41:291:47:598:145:34
8:10
#15836
25K
15.53 mi13:00:442:07:148:1119:15
7:56
#15286
30K
18.64 mi13:26:192:32:498:1225:35
8:14
#14794
20M
20.00 mi13:37:322:44:028:1211:13
8:15
#14563
21M
21.00 mi13:46:152:52:458:148:43
8:43
#14384
35K
21.75 mi13:51:502:58:208:125:35
7:28
#14174
23M
23.00 mi14:02:003:08:308:1210:10
8:07
#13929
24M
24.00 mi14:09:493:16:198:117:49
7:49
#13735
40K
24.85 mi14:16:343:23:048:106:45
7:54
#13539
25.2M
25.20 mi14:19:323:26:028:112:58
8:36
#13459
Finish
26.22 mi14:27:253:33:558:107:53
7:44
#13317
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi168815843584315532(Top 58%)4997(Top 44%)4997(Top 275%)
10K6.21 mi3.10 mi16264+6175434+4095434+40915722(Top 59%)5089(Top 45%)5089(Top 280%)
15K9.32 mi3.11 mi16018+2465290+1445290+14415532(Top 58%)4997(Top 44%)4997(Top 275%)
20K12.43 mi3.11 mi15859+1595218+725218+7215504(Top 58%)5031(Top 44%)5031(Top 277%)
Half13.11 mi0.68 mi15836+235206+125206+1215495(Top 58%)4967(Top 43%)4967(Top 273%)
25K15.53 mi2.42 mi15286+5504888+3184888+31812249(Top 46%)3227(Top 28%)3227(Top 178%)
30K18.64 mi3.11 mi14794+4924615+2734615+27312583(Top 47%)3513(Top 31%)3513(Top 193%)
20M20.00 mi1.36 mi14563+2314508+1074508+10712079(Top 45%)3327(Top 29%)3327(Top 183%)
21M21.00 mi1.00 mi14384+1794425+834425+8311799(Top 44%)3305(Top 29%)3305(Top 182%)
35K21.75 mi0.75 mi14174+2104314+1114314+1118353(Top 31%)1655(Top 14%)1655(Top 91%)
23M23.00 mi1.25 mi13929+2454183+1314183+13110648(Top 40%)2851(Top 25%)2851(Top 157%)
24M24.00 mi1.00 mi13735+1944090+934090+939980(Top 37%)2598(Top 23%)2598(Top 143%)
40K24.85 mi0.85 mi13539+1963981+1093981+1099368(Top 35%)2350(Top 21%)2350(Top 129%)
25.2M25.20 mi0.35 mi13459+803950+313950+3110272(Top 39%)2852(Top 25%)2852(Top 157%)
Finish26.22 mi1.02 mi13317+1423885+653885+6510252(Top 39%)2829(Top 25%)2829(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15532

Females

4997

F45-49

4997

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15722

Females

5089

F45-49

5089

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15532

Females

4997

F45-49

4997

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15504

Females

5031

F45-49

5031

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15495

Females

4967

F45-49

4967

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12249

Females

3227

F45-49

3227

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12583

Females

3513

F45-49

3513

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12079

Females

3327

F45-49

3327

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11799

Females

3305

F45-49

3305

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8353

Females

1655

F45-49

1655

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

10648

Females

2851

F45-49

2851

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9980

Females

2598

F45-49

2598

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9368

Females

2350

F45-49

2350

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10272

Females

2852

F45-49

2852

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10252

Females

2829

F45-49

2829

Passing Analysis

Category:
Athletes Passed
3946
Passed By
382
Net Change
+3564
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16881
5K → 10K720103+617#16881#16264
10K → 15K33993+246#16264#16018
15K → 20K25394+159#16018#15859
20K → Half4118+23#15859#15836
Half → 25K5544+550#15836#15286
25K → 30K50715+492#15286#14794
30K → 20M2387+231#14794#14563
20M → 21M19011+179#14563#14384
21M → 35K2111+210#14384#14174
35K → 23M2538+245#14174#13929
23M → 24M1984+194#13929#13735
24M → 40K1982+196#13735#13539
40K → 25.2M844+80#13539#13459
25.2M → Finish16018+142#13459#13317
TOTALS3946382+3564
📊

Passing Visuals

Category:
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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