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BOSTON MARATHON 2023

Mary Lehman

MA

Bib: 24777 F

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

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:13/mi
28:37
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:48/mi
55:57
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:48/mi
1:23:16
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:46/mi
1:50:31
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:42/mi
1:56:27
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:55/mi
2:18:04
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:54/mi
2:48:50
↑ 181↓ 1480.2%
138 ft elev
20M
9:39/mi
3:01:57
↑ 64↓ 500.2%
148 ft elev
21M
10:13/mi
3:12:10
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:12/mi
3:19:03
↑ 17↓ 861.7%
156 ft elev
23M
10:09/mi
3:31:45
↑ 23↓ 630.6%
116 ft elev
24M
10:29/mi
3:42:14
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:00/mi
3:51:38
↓ 200.3%
20 ft elev
25.2M
11:30/mi
3:55:36
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:55/mi
4:05:42
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:27
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time2:09:15
Pace9:52 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5628:379:1328:37
9:13
-
10K
6.21 mi12:18:1655:579:0027:20
8:48
-0:25
15K
9.32 mi12:45:351:23:168:5627:19
8:48
0:00
20K
12.43 mi13:12:501:50:318:5427:15
8:46
-0:02
Half
13.11 mi13:18:461:56:278:535:56
8:42
-0:04
25K
15.53 mi13:40:232:18:048:5321:37
8:55
+0:13
30K
18.64 mi14:11:092:48:509:0330:46
9:54
+0:59
20M
20.00 mi14:24:163:01:579:0613:07
9:39
-0:15
21M
21.00 mi14:34:293:12:109:0910:13
10:13
+0:34
35K
21.75 mi14:41:223:19:039:096:53
9:12
-1:01
23M
23.00 mi14:54:043:31:459:1212:42
10:09
+0:57
24M
24.00 mi15:04:333:42:149:1610:29
10:29
+0:20
40K
24.85 mi15:13:573:51:389:199:24
11:00
+0:31
25.2M
25.20 mi15:17:553:55:369:213:58
11:30
+0:30
Finish
26.22 mi15:28:014:05:429:2310:06
9:55
-1:35

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

8:42 /mi

Average Pace

9:23 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:57

59% of race

Time at Steady Pace

53:59

22% of race

Time at Slower Pace

46:46

19% of race

Average Pace: 9:22 /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 mi11:50:5628:379:1328:37
9:13
#21244
10K
6.21 mi12:18:1655:579:0027:20
8:48
#20670
15K
9.32 mi12:45:351:23:168:5627:19
8:48
#20275
20K
12.43 mi13:12:501:50:318:5427:15
8:46
#19831
Half
13.11 mi13:18:461:56:278:535:56
8:42
#19779
25K
15.53 mi13:40:232:18:048:5321:37
8:55
#19565
30K
18.64 mi14:11:092:48:509:0330:46
9:54
#19865
20M
20.00 mi14:24:163:01:579:0613:07
9:39
#19804
21M
21.00 mi14:34:293:12:109:0910:13
10:13
#19727
35K
21.75 mi14:41:223:19:039:096:53
9:12
#19691
23M
23.00 mi14:54:043:31:459:1212:42
10:09
#19759
24M
24.00 mi15:04:333:42:149:1610:29
10:29
#19904
40K
24.85 mi15:13:573:51:389:199:24
11:00
#20052
25.2M
25.20 mi15:17:553:55:369:213:58
11:30
#20080
Finish
26.22 mi15:28:014:05:429:2310:06
9:55
#20112
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi212448497849719476(Top 73%)7382(Top 65%)7382(Top 151%)
10K6.21 mi3.10 mi20670+5748130+3678130+36719924(Top 75%)7653(Top 67%)7653(Top 157%)
15K9.32 mi3.11 mi20275+3957892+2387892+23819476(Top 73%)7382(Top 65%)7382(Top 151%)
20K12.43 mi3.11 mi19831+4447620+2727620+27218528(Top 70%)6812(Top 60%)6812(Top 139%)
Half13.11 mi0.68 mi19779+527582+387582+3818995(Top 71%)7094(Top 62%)7094(Top 145%)
25K15.53 mi2.42 mi19565+2147461+1217461+12118557(Top 70%)6889(Top 60%)6889(Top 141%)
30K18.64 mi3.11 mi19865-3007654-1937654-19320759(Top 78%)8199(Top 72%)8199(Top 168%)
20M20.00 mi1.36 mi19804+617624+307624+3019412(Top 73%)7525(Top 66%)7525(Top 154%)
21M21.00 mi1.00 mi19727+777582+427582+4218789(Top 71%)7221(Top 63%)7221(Top 148%)
35K21.75 mi0.75 mi19691+367570+127570+1218787(Top 71%)7277(Top 64%)7277(Top 149%)
23M23.00 mi1.25 mi19759-687622-527622-5220420(Top 77%)8183(Top 72%)8183(Top 168%)
24M24.00 mi1.00 mi19904-1457716-947716-9422007(Top 83%)9100(Top 80%)9100(Top 186%)
40K24.85 mi0.85 mi20052-1487813-977813-9722347(Top 84%)9316(Top 82%)9316(Top 191%)
25.2M25.20 mi0.35 mi20080-287838-257838-2521587(Top 81%)8902(Top 78%)8902(Top 182%)
Finish26.22 mi1.02 mi20112-327867-297867-2921516(Top 81%)8851(Top 77%)8851(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

19476

Females

7382

F18-39

7382

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

19924

Females

7653

F18-39

7653

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

19476

Females

7382

F18-39

7382

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18528

Females

6812

F18-39

6812

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18995

Females

7094

F18-39

7094

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18557

Females

6889

F18-39

6889

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

20759

Females

8199

F18-39

8199

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19412

Females

7525

F18-39

7525

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

18789

Females

7221

F18-39

7221

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

18787

Females

7277

F18-39

7277

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20420

Females

8183

F18-39

8183

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

22007

Females

9100

F18-39

9100

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22347

Females

9316

F18-39

9316

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21587

Females

8902

F18-39

8902

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21516

Females

8851

F18-39

8851

Passing Analysis

Category:
Athletes Passed
2379
Passed By
1247
Net Change
+1132
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21244
5K → 10K67399+574#21244#20670
10K → 15K43439+395#20670#20275
15K → 20K46723+444#20275#19831
20K → Half6210+52#19831#19779
Half → 25K23925+214#19779#19565
25K → 30K84384-300#19565#19865
30K → 20M10948+61#19865#19804
20M → 21M11841+77#19804#19727
21M → 35K6327+36#19727#19691
35K → 23M54122-68#19691#19759
23M → 24M19164-145#19759#19904
24M → 40K17165-148#19904#20052
40K → 25.2M1341-28#20052#20080
25.2M → Finish2759-32#20080#20112
TOTALS23791247+1132
📊

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