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BOSTON MARATHON 2023

Jess Reid

Bib: 15666•F

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 17%
Division (F18-39)
#0 / 4884
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
7:41/mi
23:52
↑ 97↓ 3451.5%
10K· 6.21 mi
7:39/mi
47:37
↑ 79↓ 1380.4%
15K· 9.32 mi
7:36/mi
1:11:15
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:35:08
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:40:21
↑ 19↓ 370.5%
25K· 15.53 mi
7:43/mi
1:59:04
↑ 66↓ 880.2%
30K· 18.64 mi
7:51/mi
2:23:28
↑ 181↓ 1480.2%
20M
7:48/mi
2:34:04
↑ 64↓ 500.2%
21M
8:07/mi
2:42:11
↑ 106↓ 241.6%
35K· 21.75 mi
7:32/mi
2:47:49
↑ 17↓ 861.7%
23M
7:43/mi
2:57:29
↑ 23↓ 630.6%
24M
7:39/mi
3:05:08
↓ 821.3%
40K· 24.85 mi
7:41/mi
3:11:42
↓ 200.3%
25.2M
8:07/mi
3:14:30
↑ 13↓ 160.2%
Finish· 26.22 mi
7:29/mi
3:22:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:21
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:41:47
Pace7:46 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5523:527:4123:52
7:41
-
10K
6.21 mi11:17:4047:377:4023:45
7:39
-0:02
15K
9.32 mi11:41:181:11:157:3923:38
7:36
-0:03
20K
12.43 mi12:05:111:35:087:3923:53
7:41
+0:05
Half
13.11 mi12:10:241:40:217:395:13
7:39
-0:02
25K
15.53 mi12:29:071:59:047:4018:43
7:43
+0:04
30K
18.64 mi12:53:312:23:287:4224:24
7:51
+0:08
20M
20.00 mi13:04:072:34:047:4210:36
7:48
-0:03
21M
21.00 mi13:12:142:42:117:438:07
8:07
+0:19
35K
21.75 mi13:17:522:47:497:435:38
7:32
-0:35
23M
23.00 mi13:27:322:57:297:439:40
7:43
+0:11
24M
24.00 mi13:35:113:05:087:437:39
7:39
-0:04
40K
24.85 mi13:41:453:11:427:436:34
7:41
+0:02
25.2M
25.20 mi13:44:333:14:307:432:48
8:07
+0:26
Finish
26.22 mi13:52:113:22:087:437:38
7:29
-0:38

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

7:29 /mi

Average Pace

7:43 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:13

95% of race

Time at Steady Pace

10:55

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi10:53:5523:527:4123:52
7:41
#11301
10K
6.21 mi11:17:4047:377:4023:45
7:39
#11459
15K
9.32 mi11:41:181:11:157:3923:38
7:36
#11316
20K
12.43 mi12:05:111:35:087:3923:53
7:41
#11155
Half
13.11 mi12:10:241:40:217:395:13
7:39
#11158
25K
15.53 mi12:29:071:59:047:4018:43
7:43
#11024
30K
18.64 mi12:53:312:23:287:4224:24
7:51
#10743
20M
20.00 mi13:04:072:34:047:4210:36
7:48
#10578
21M
21.00 mi13:12:142:42:117:438:07
8:07
#10414
35K
21.75 mi13:17:522:47:497:435:38
7:32
#10327
23M
23.00 mi13:27:322:57:297:439:40
7:43
#10150
24M
24.00 mi13:35:113:05:087:437:39
7:39
#10062
40K
24.85 mi13:41:453:11:427:436:34
7:41
#9942
25.2M
25.20 mi13:44:333:14:307:432:48
8:07
#9871
Finish
26.22 mi13:52:113:22:087:437:38
7:29
#9773
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi113012490249011085(Top 42%)2396(Top 21%)2396(Top 49%)
10K6.21 mi3.10 mi11459-1582579-892579-8911745(Top 44%)2721(Top 24%)2721(Top 56%)
15K9.32 mi3.11 mi11316+1432498+812498+8111085(Top 42%)2396(Top 21%)2396(Top 49%)
20K12.43 mi3.11 mi11155+1612409+892409+8910829(Top 41%)2324(Top 20%)2324(Top 48%)
Half13.11 mi0.68 mi11158-32420-112420-1111426(Top 43%)2567(Top 22%)2567(Top 53%)
25K15.53 mi2.42 mi11024+1342368+522368+5210458(Top 39%)2205(Top 19%)2205(Top 45%)
30K18.64 mi3.11 mi10743+2812271+972271+979778(Top 37%)2055(Top 18%)2055(Top 42%)
20M20.00 mi1.36 mi10578+1652213+582213+588893(Top 33%)1760(Top 15%)1760(Top 36%)
21M21.00 mi1.00 mi10414+1642155+582155+588145(Top 31%)1583(Top 14%)1583(Top 32%)
35K21.75 mi0.75 mi10327+872124+312124+318791(Top 33%)1824(Top 16%)1824(Top 37%)
23M23.00 mi1.25 mi10150+1772073+512073+517900(Top 30%)1547(Top 14%)1547(Top 32%)
24M24.00 mi1.00 mi10062+882059+142059+148783(Top 33%)1995(Top 17%)1995(Top 41%)
40K24.85 mi0.85 mi9942+1202035+242035+247880(Top 30%)1710(Top 15%)1710(Top 35%)
25.2M25.20 mi0.35 mi9871+712014+212014+217309(Top 27%)1553(Top 14%)1553(Top 32%)
Finish26.22 mi1.02 mi9773+981997+171997+178508(Top 32%)2029(Top 18%)2029(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11085

Females

2396

F18-39

2396

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11745

Females

2721

F18-39

2721

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11085

Females

2396

F18-39

2396

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10829

Females

2324

F18-39

2324

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11426

Females

2567

F18-39

2567

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10458

Females

2205

F18-39

2205

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9778

Females

2055

F18-39

2055

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8893

Females

1760

F18-39

1760

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8145

Females

1583

F18-39

1583

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8791

Females

1824

F18-39

1824

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

7900

Females

1547

F18-39

1547

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8783

Females

1995

F18-39

1995

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7880

Females

1710

F18-39

1710

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7309

Females

1553

F18-39

1553

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8508

Females

2029

F18-39

2029

Passing Analysis

Category:
Athletes Passed
2358*
Passed By
830
Net Change
+1528
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11301
5K → 10K237395-158#11301#11459
10K → 15K258115+143#11459#11316
15K → 20K24382+161#11316#11155
20K → Half2225-3#11155#11158
Half → 25K17945+134#11158#11024
25K → 30K34160+281#11024#10743
30K → 20M173*8+165#10743#10578
20M → 21M17915+164#10578#10414
21M → 35K958+87#10414#10327
35K → 23M18912+177#10327#10150
23M → 24M11224+88#10150#10062
24M → 40K132*12+120#10062#9942
40K → 25.2M776+71#9942#9871
25.2M → Finish121*23+98#9871#9773
TOTALS2358*830+1528

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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