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BOSTON MARATHON 2023

Jayna Leach

Bib: 16626•F

NH

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 23%
Division (F18-39)
#0 / 4884
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:29
Rank: #13086
Start → 5K
24:29 | 7:53/mi
10K· 6.21 mi
49:04
Rank: #13565 (-479)
5K → 10K
24:35 | 7:55/mi
15K· 9.32 mi
1:13:36
Rank: #13545 (+20)
10K → 15K
24:32 | 7:54/mi
20K· 12.43 mi
1:38:16
Rank: #13386 (+159)
15K → 20K
24:40 | 7:56/mi
Half· 13.11 mi
1:43:37
Rank: #13347 (+39)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:02:39
Rank: #13001 (+346)
Half → 25K
19:02 | 7:51/mi
30K· 18.64 mi
2:27:17
Rank: #12473 (+528)
25K → 30K
24:38 | 7:56/mi
20M
2:37:57
Rank: #12201 (+272)
30K → 20M
10:40 | 7:51/mi
21M
2:46:02
Rank: #11923 (+278)
20M → 21M
8:05 | 8:05/mi
35K· 21.75 mi
2:51:48
Rank: #11845 (+78)
21M → 35K
5:46 | 7:42/mi
23M
3:01:48
Rank: #11679 (+166)
35K → 23M
10:00 | 7:59/mi
24M
3:09:34
Rank: #11577 (+102)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
3:16:13
Rank: #11430 (+147)
24M → 40K
6:39 | 7:47/mi
25.2M
3:19:04
Rank: #11354 (+76)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:26:40
Rank: #11187 (+167)
25.2M → Finish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:43:37
Pace7:54 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:03
Pace7:52 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4924:297:5324:29
7:53
-
10K
6.21 mi11:39:2449:047:5424:35
7:55
+0:02
15K
9.32 mi12:03:561:13:367:5424:32
7:54
-0:01
20K
12.43 mi12:28:361:38:167:5424:40
7:56
+0:02
Half
13.11 mi12:33:571:43:377:545:21
7:50
-0:06
25K
15.53 mi12:52:592:02:397:5419:02
7:51
+0:01
30K
18.64 mi13:17:372:27:177:5424:38
7:56
+0:05
20M
20.00 mi13:28:172:37:577:5410:40
7:51
-0:05
21M
21.00 mi13:36:222:46:027:548:05
8:05
+0:14
35K
21.75 mi13:42:082:51:487:545:46
7:42
-0:23
23M
23.00 mi13:52:083:01:487:5410:00
7:59
+0:17
24M
24.00 mi13:59:543:09:347:547:46
7:46
-0:13
40K
24.85 mi14:06:333:16:137:546:39
7:47
+0:01
25.2M
25.20 mi14:09:243:19:047:542:51
8:16
+0:29
Finish
26.22 mi14:17:003:26:407:537:36
7:27
-0:49

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

7:27 /mi

Average Pace

7:53 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:49

99% of race

Time at Steady Pace

2:51

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi11:14:4924:297:5324:29
7:53
#13086
10K
6.21 mi11:39:2449:047:5424:35
7:55
#13565
15K
9.32 mi12:03:561:13:367:5424:32
7:54
#13545
20K
12.43 mi12:28:361:38:167:5424:40
7:56
#13386
Half
13.11 mi12:33:571:43:377:545:21
7:50
#13347
25K
15.53 mi12:52:592:02:397:5419:02
7:51
#13001
30K
18.64 mi13:17:372:27:177:5424:38
7:56
#12473
20M
20.00 mi13:28:172:37:577:5410:40
7:51
#12201
21M
21.00 mi13:36:222:46:027:548:05
8:05
#11923
35K
21.75 mi13:42:082:51:487:545:46
7:42
#11845
23M
23.00 mi13:52:083:01:487:5410:00
7:59
#11679
24M
24.00 mi13:59:543:09:347:547:46
7:46
#11577
40K
24.85 mi14:06:333:16:137:546:39
7:47
#11430
25.2M
25.20 mi14:09:243:19:047:542:51
8:16
#11354
Finish
26.22 mi14:17:003:26:407:537:36
7:27
#11187
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130863489348913500(Top 51%)3773(Top 33%)3773(Top 77%)
10K6.21 mi3.10 mi13565-4793779-2903779-29014079(Top 53%)4093(Top 36%)4093(Top 84%)
15K9.32 mi3.11 mi13545+203780-13780-113500(Top 51%)3773(Top 33%)3773(Top 77%)
20K12.43 mi3.11 mi13386+1593712+683712+6812941(Top 49%)3510(Top 31%)3510(Top 72%)
Half13.11 mi0.68 mi13347+393694+183694+1813111(Top 49%)3545(Top 31%)3545(Top 73%)
25K15.53 mi2.42 mi13001+3463503+1913503+19111531(Top 43%)2786(Top 24%)2786(Top 57%)
30K18.64 mi3.11 mi12473+5283239+2643239+26410366(Top 39%)2340(Top 20%)2340(Top 48%)
20M20.00 mi1.36 mi12201+2723104+1353104+1359260(Top 35%)1919(Top 17%)1919(Top 39%)
21M21.00 mi1.00 mi11923+2782966+1382966+1387951(Top 30%)1510(Top 13%)1510(Top 31%)
35K21.75 mi0.75 mi11845+782941+252941+2510049(Top 38%)2387(Top 21%)2387(Top 49%)
23M23.00 mi1.25 mi11679+1662867+742867+749686(Top 36%)2350(Top 21%)2350(Top 48%)
24M24.00 mi1.00 mi11577+1022831+362831+369573(Top 36%)2383(Top 21%)2383(Top 49%)
40K24.85 mi0.85 mi11430+1472773+582773+588581(Top 32%)1983(Top 17%)1983(Top 41%)
25.2M25.20 mi0.35 mi11354+762744+292744+298196(Top 31%)1923(Top 17%)1923(Top 39%)
Finish26.22 mi1.02 mi11187+1672683+612683+618277(Top 31%)1952(Top 17%)1952(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13500

Females

3773

F18-39

3773

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

14079

Females

4093

F18-39

4093

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13500

Females

3773

F18-39

3773

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

12941

Females

3510

F18-39

3510

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13111

Females

3545

F18-39

3545

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

11531

Females

2786

F18-39

2786

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10366

Females

2340

F18-39

2340

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9260

Females

1919

F18-39

1919

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

7951

Females

1510

F18-39

1510

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10049

Females

2387

F18-39

2387

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9686

Females

2350

F18-39

2350

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9573

Females

2383

F18-39

2383

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8581

Females

1983

F18-39

1983

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8196

Females

1923

F18-39

1923

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8277

Females

1952

F18-39

1952

Passing Analysis

Category:
Athletes Passed
2931
Passed By
1032
Net Change
+1899
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13086
5K → 10K135614-479#13086#13565
10K → 15K197177+20#13565#13545
15K → 20K261102+159#13545#13386
20K → Half5516+39#13386#13347
Half → 25K36822+346#13347#13001
25K → 30K5379+528#13001#12473
30K → 20M2808+272#12473#12201
20M → 21M2824+278#12201#11923
21M → 35K9012+78#11923#11845
35K → 23M18923+166#11845#11679
23M → 24M12220+102#11679#11577
24M → 40K1547+147#11577#11430
40K → 25.2M8610+76#11430#11354
25.2M → Finish1758+167#11354#11187
TOTALS29311032+1899
📊

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