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BOSTON MARATHON 2023

Lori Leatherbee

Bib: 23494•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
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
9:04/mi
28:09
↑ 97↓ 3451.5%
10K· 6.21 mi
9:07/mi
56:29
↑ 79↓ 1380.4%
15K· 9.32 mi
9:35/mi
1:26:14
↑ 67↓ 78
20K· 12.43 mi
9:57/mi
1:57:08
↑ 106↓ 860.1%
Half· 13.11 mi
9:35/mi
2:03:40
↑ 19↓ 370.5%
25K· 15.53 mi
10:23/mi
2:28:50
↑ 66↓ 880.2%
30K· 18.64 mi
10:49/mi
3:02:26
↑ 181↓ 1480.2%
20M
10:59/mi
3:17:22
↑ 64↓ 500.2%
21M
11:58/mi
3:29:20
↑ 106↓ 241.6%
35K· 21.75 mi
10:03/mi
3:36:51
↑ 17↓ 861.7%
23M
10:38/mi
3:50:10
↑ 23↓ 630.6%
24M
10:13/mi
4:00:23
↓ 821.3%
40K· 24.85 mi
10:44/mi
4:09:34
↓ 200.3%
25.2M
11:04/mi
4:13:23
↑ 13↓ 160.2%
Finish· 26.22 mi
10:19/mi
4:23:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:40
Pace9:26 /mi
2nd Half
Distance13.11 mi
Time2:20:14
Pace10:42 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5828:099:0428:09
9:04
-
10K
6.21 mi11:51:1856:299:0528:20
9:07
+0:03
15K
9.32 mi12:21:031:26:149:1529:45
9:35
+0:28
20K
12.43 mi12:51:571:57:089:2630:54
9:57
+0:22
Half
13.11 mi12:58:292:03:409:266:32
9:35
-0:22
25K
15.53 mi13:23:392:28:509:3525:10
10:23
+0:48
30K
18.64 mi13:57:153:02:269:4733:36
10:49
+0:26
20M
20.00 mi14:12:113:17:229:5214:56
10:59
+0:10
21M
21.00 mi14:24:093:29:209:5811:58
11:58
+0:59
35K
21.75 mi14:31:403:36:519:587:31
10:03
-1:55
23M
23.00 mi14:44:593:50:1010:0013:19
10:38
+0:35
24M
24.00 mi14:55:124:00:2310:0110:13
10:13
-0:25
40K
24.85 mi15:04:234:09:3410:029:11
10:44
+0:31
25.2M
25.20 mi15:08:124:13:2310:033:49
11:04
+0:20
Finish
26.22 mi15:18:434:23:5410:0410:31
10:19
-0:45

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

9:04 /mi

Average Pace

10:04 /mi

Slowest Pace

11:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:46

35% of race

Time at Steady Pace

1:37:38

37% of race

Time at Slower Pace

1:13:30

28% of race

Average Pace: 10:04 /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 mi11:22:5828:099:0428:09
9:04
#20719
10K
6.21 mi11:51:1856:299:0528:20
9:07
#21019
15K
9.32 mi12:21:031:26:149:1529:45
9:35
#21542
20K
12.43 mi12:51:571:57:089:2630:54
9:57
#21879
Half
13.11 mi12:58:292:03:409:266:32
9:35
#21894
25K
15.53 mi13:23:392:28:509:3525:10
10:23
#22139
30K
18.64 mi13:57:153:02:269:4733:36
10:49
#22313
20M
20.00 mi14:12:113:17:229:5214:56
10:59
#22326
21M
21.00 mi14:24:093:29:209:5811:58
11:58
#22350
35K
21.75 mi14:31:403:36:519:587:31
10:03
#22303
23M
23.00 mi14:44:593:50:1010:0013:19
10:38
#22267
24M
24.00 mi14:55:124:00:2310:0110:13
10:13
#22219
40K
24.85 mi15:04:234:09:3410:029:11
10:44
#22214
25.2M
25.20 mi15:08:124:13:2310:033:49
11:04
#22185
Finish
26.22 mi15:18:434:23:5410:0410:31
10:19
#22205
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi207198231823122459(Top 84%)9045(Top 79%)9045(Top 1716%)
10K6.21 mi3.10 mi21019-3008334-1038334-10321364(Top 80%)8479(Top 74%)8479(Top 1609%)
15K9.32 mi3.11 mi21542-5238583-2498583-24922459(Top 84%)9045(Top 79%)9045(Top 1716%)
20K12.43 mi3.11 mi21879-3378763-1808763-18022771(Top 86%)9229(Top 81%)9229(Top 1751%)
Half13.11 mi0.68 mi21894-158773-108773-1022338(Top 84%)8973(Top 79%)8973(Top 1703%)
25K15.53 mi2.42 mi22139-2458906-1338906-13322973(Top 86%)9373(Top 82%)9373(Top 1779%)
30K18.64 mi3.11 mi22313-1749014-1089014-10822822(Top 86%)9364(Top 82%)9364(Top 1777%)
20M20.00 mi1.36 mi22326-139026-129026-1222694(Top 85%)9356(Top 82%)9356(Top 1775%)
21M21.00 mi1.00 mi22350-249056-309056-3022708(Top 85%)9393(Top 82%)9393(Top 1782%)
35K21.75 mi0.75 mi22303+479038+189038+1821431(Top 81%)8735(Top 76%)8735(Top 1657%)
23M23.00 mi1.25 mi22267+369020+189020+1821638(Top 81%)8870(Top 78%)8870(Top 1683%)
24M24.00 mi1.00 mi22219+488999+218999+2121387(Top 80%)8781(Top 77%)8781(Top 1666%)
40K24.85 mi0.85 mi22214+59006-79006-721824(Top 82%)9057(Top 79%)9057(Top 1719%)
25.2M25.20 mi0.35 mi22185+298994+128994+1220642(Top 78%)8403(Top 74%)8403(Top 1594%)
Finish26.22 mi1.02 mi22205-209011-179011-1722613(Top 85%)9450(Top 83%)9450(Top 1793%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

22459

Females

9045

F60-64

9045

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

21364

Females

8479

F60-64

8479

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

22459

Females

9045

F60-64

9045

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22771

Females

9229

F60-64

9229

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

22338

Females

8973

F60-64

8973

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22973

Females

9373

F60-64

9373

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

22822

Females

9364

F60-64

9364

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

22694

Females

9356

F60-64

9356

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

22708

Females

9393

F60-64

9393

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

21431

Females

8735

F60-64

8735

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21638

Females

8870

F60-64

8870

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

21387

Females

8781

F60-64

8781

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21824

Females

9057

F60-64

9057

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20642

Females

8403

F60-64

8403

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22613

Females

9450

F60-64

9450

Passing Analysis

Category:
Athletes Passed
779
Passed By
2265
Net Change
-1486
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20719
5K → 10K171471-300#20719#21019
10K → 15K38561-523#21019#21542
15K → 20K39376-337#21542#21879
20K → Half1934-15#21879#21894
Half → 25K38283-245#21894#22139
25K → 30K78252-174#22139#22313
30K → 20M5265-13#22313#22326
20M → 21M4973-24#22326#22350
21M → 35K5811+47#22350#22303
35K → 23M7236+36#22303#22267
23M → 24M6416+48#22267#22219
24M → 40K4237+5#22219#22214
40K → 25.2M356+29#22214#22185
25.2M → Finish2444-20#22185#22205
TOTALS7792265-1486
📊

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