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BOSTON MARATHON 2023

Jackie Barrett

Bib: 21527•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 41%
Masters (Masters Women)
#0 / 6539
Top 28%
Division (F45-49)
#0 / 1817
Top 31%
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
8:13/mi
25:32
↑ 97↓ 3451.5%
10K· 6.21 mi
8:18/mi
51:19
↑ 79↓ 1380.4%
15K· 9.32 mi
8:16/mi
1:17:01
↑ 67↓ 78
20K· 12.43 mi
8:14/mi
1:42:35
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:48:17
↑ 19↓ 370.5%
25K· 15.53 mi
8:20/mi
2:08:29
↑ 66↓ 880.2%
30K· 18.64 mi
8:35/mi
2:35:09
↑ 181↓ 1480.2%
20M
8:32/mi
2:46:45
↑ 64↓ 500.2%
21M
8:55/mi
2:55:40
↑ 106↓ 241.6%
35K· 21.75 mi
8:21/mi
3:01:55
↑ 17↓ 861.7%
23M
8:20/mi
3:12:21
↑ 23↓ 630.6%
24M
8:09/mi
3:20:30
↓ 821.3%
40K· 24.85 mi
8:16/mi
3:27:34
↓ 200.3%
25.2M
8:42/mi
3:30:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:52/mi
3:38:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:17
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:50:18
Pace8:25 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5125:328:1325:32
8:13
-
10K
6.21 mi11:44:3851:198:1625:47
8:18
+0:05
15K
9.32 mi12:10:201:17:018:1625:42
8:16
-0:02
20K
12.43 mi12:35:541:42:358:1525:34
8:14
-0:02
Half
13.11 mi12:41:361:48:178:165:42
8:21
+0:07
25K
15.53 mi13:01:482:08:298:1620:12
8:20
-0:01
30K
18.64 mi13:28:282:35:098:1926:40
8:35
+0:15
20M
20.00 mi13:40:042:46:458:2011:36
8:32
-0:03
21M
21.00 mi13:48:592:55:408:228:55
8:55
+0:23
35K
21.75 mi13:55:143:01:558:226:15
8:21
-0:34
23M
23.00 mi14:05:403:12:218:2210:26
8:20
-0:01
24M
24.00 mi14:13:493:20:308:218:09
8:09
-0:11
40K
24.85 mi14:20:533:27:348:217:04
8:16
+0:07
25.2M
25.20 mi14:23:533:30:348:213:00
8:42
+0:26
Finish
26.22 mi14:31:543:38:358:218:01
7:52
-0:50

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

7:52 /mi

Average Pace

8:21 /mi

Slowest Pace

8:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:40

95% of race

Time at Steady Pace

11:55

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:20 /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 mi11:18:5125:328:1325:32
8:13
#15600
10K
6.21 mi11:44:3851:198:1625:47
8:18
#16231
15K
9.32 mi12:10:201:17:018:1625:42
8:16
#16261
20K
12.43 mi12:35:541:42:358:1525:34
8:14
#15946
Half
13.11 mi12:41:361:48:178:165:42
8:21
#15986
25K
15.53 mi13:01:482:08:298:1620:12
8:20
#15828
30K
18.64 mi13:28:282:35:098:1926:40
8:35
#15630
20M
20.00 mi13:40:042:46:458:2011:36
8:32
#15481
21M
21.00 mi13:48:592:55:408:228:55
8:55
#15303
35K
21.75 mi13:55:143:01:558:226:15
8:21
#15241
23M
23.00 mi14:05:403:12:218:2210:26
8:20
#15058
24M
24.00 mi14:13:493:20:308:218:09
8:09
#14927
40K
24.85 mi14:20:533:27:348:217:04
8:16
#14787
25.2M
25.20 mi14:23:533:30:348:213:00
8:42
#14711
Finish
26.22 mi14:31:543:38:358:218:01
7:52
#14586
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi156005037503716360(Top 61%)5508(Top 48%)5508(Top 303%)
10K6.21 mi3.10 mi16231-6315413-3765413-37616922(Top 64%)5822(Top 51%)5822(Top 320%)
15K9.32 mi3.11 mi16261-305445-325445-3216360(Top 61%)5508(Top 48%)5508(Top 303%)
20K12.43 mi3.11 mi15946+3155272+1735272+17315151(Top 57%)4802(Top 42%)4802(Top 264%)
Half13.11 mi0.68 mi15986-405301-295301-2916839(Top 63%)5785(Top 51%)5785(Top 318%)
25K15.53 mi2.42 mi15828+1585229+725229+7215149(Top 57%)4936(Top 43%)4936(Top 272%)
30K18.64 mi3.11 mi15630+1985139+905139+9014824(Top 56%)4829(Top 42%)4829(Top 266%)
20M20.00 mi1.36 mi15481+1495079+605079+6013871(Top 52%)4340(Top 38%)4340(Top 239%)
21M21.00 mi1.00 mi15303+1784998+814998+8112966(Top 49%)3930(Top 34%)3930(Top 216%)
35K21.75 mi0.75 mi15241+624973+254973+2514469(Top 54%)4821(Top 42%)4821(Top 265%)
23M23.00 mi1.25 mi15058+1834881+924881+9212172(Top 46%)3622(Top 32%)3622(Top 199%)
24M24.00 mi1.00 mi14927+1314810+714810+7112300(Top 46%)3760(Top 33%)3760(Top 207%)
40K24.85 mi0.85 mi14787+1404753+574753+5711841(Top 44%)3588(Top 31%)3588(Top 197%)
25.2M25.20 mi0.35 mi14711+764716+374716+3710870(Top 41%)3144(Top 28%)3144(Top 173%)
Finish26.22 mi1.02 mi14586+1254651+654651+6511204(Top 42%)3310(Top 29%)3310(Top 182%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16360

Females

5508

F45-49

5508

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

16922

Females

5822

F45-49

5822

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16360

Females

5508

F45-49

5508

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15151

Females

4802

F45-49

4802

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

16839

Females

5785

F45-49

5785

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15149

Females

4936

F45-49

4936

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14824

Females

4829

F45-49

4829

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13871

Females

4340

F45-49

4340

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

12966

Females

3930

F45-49

3930

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14469

Females

4821

F45-49

4821

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12172

Females

3622

F45-49

3622

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12300

Females

3760

F45-49

3760

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11841

Females

3588

F45-49

3588

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10870

Females

3144

F45-49

3144

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11204

Females

3310

F45-49

3310

Passing Analysis

Category:
Athletes Passed
2258
Passed By
1244
Net Change
+1014
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15600
5K → 10K95726-631#15600#16231
10K → 15K177207-30#16231#16261
15K → 20K35338+315#16261#15946
20K → Half1757-40#15946#15986
Half → 25K22062+158#15986#15828
25K → 30K27981+198#15828#15630
30K → 20M16314+149#15630#15481
20M → 21M19416+178#15481#15303
21M → 35K7210+62#15303#15241
35K → 23M1885+183#15241#15058
23M → 24M1409+131#15058#14927
24M → 40K1499+140#14927#14787
40K → 25.2M760+76#14787#14711
25.2M → Finish13510+125#14711#14586
TOTALS22581244+1014
📊

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