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BOSTON MARATHON 2023

Andrea Lockhead

Bib: 30658•F

MA

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

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
9:55/mi
30:48
↑ 97↓ 3451.5%
10K· 6.21 mi
9:31/mi
1:00:23
↑ 79↓ 1380.4%
15K· 9.32 mi
9:17/mi
1:29:12
↑ 67↓ 78
20K· 12.43 mi
9:16/mi
1:57:58
↑ 106↓ 860.1%
Half· 13.11 mi
9:11/mi
2:04:14
↑ 19↓ 370.5%
25K· 15.53 mi
9:11/mi
2:26:29
↑ 66↓ 880.2%
30K· 18.64 mi
9:45/mi
2:56:46
↑ 181↓ 1480.2%
20M
9:44/mi
3:10:00
↑ 64↓ 500.2%
21M
11:37/mi
3:21:37
↑ 106↓ 241.6%
35K· 21.75 mi
9:11/mi
3:28:29
↑ 17↓ 861.7%
23M
10:06/mi
3:41:08
↑ 23↓ 630.6%
24M
9:47/mi
3:50:55
↓ 821.3%
40K· 24.85 mi
10:11/mi
3:59:37
↓ 200.3%
25.2M
11:56/mi
4:03:44
↑ 13↓ 160.2%
Finish· 26.22 mi
9:48/mi
4:13:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:14
Pace9:29 /mi
2nd Half
Distance13.11 mi
Time2:09:29
Pace9:53 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4330:489:5530:48
9:55
-
10K
6.21 mi12:22:181:00:239:4329:35
9:31
-0:24
15K
9.32 mi12:51:071:29:129:3428:49
9:17
-0:14
20K
12.43 mi13:19:531:57:589:3028:46
9:16
-0:01
Half
13.11 mi13:26:092:04:149:296:16
9:11
-0:05
25K
15.53 mi13:48:242:26:299:2622:15
9:11
0:00
30K
18.64 mi14:18:412:56:469:2930:17
9:45
+0:34
20M
20.00 mi14:31:553:10:009:3013:14
9:44
-0:01
21M
21.00 mi14:43:323:21:379:3611:37
11:37
+1:53
35K
21.75 mi14:50:243:28:299:356:52
9:11
-2:26
23M
23.00 mi15:03:033:41:089:3712:39
10:06
+0:55
24M
24.00 mi15:12:503:50:559:379:47
9:47
-0:19
40K
24.85 mi15:21:323:59:379:388:42
10:11
+0:24
25.2M
25.20 mi15:25:394:03:449:404:07
11:56
+1:45
Finish
26.22 mi15:35:384:13:439:419:59
9:48
-2:08

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

9:11 /mi

Average Pace

9:41 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:58

37% of race

Time at Steady Pace

2:16:19

54% of race

Time at Slower Pace

24:26

10% of race

Average Pace: 9:41 /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 mi11:52:4330:489:5530:48
9:55
#23242
10K
6.21 mi12:22:181:00:239:4329:35
9:31
#22954
15K
9.32 mi12:51:071:29:129:3428:49
9:17
#22515
20K
12.43 mi13:19:531:57:589:3028:46
9:16
#22082
Half
13.11 mi13:26:092:04:149:296:16
9:11
#22033
25K
15.53 mi13:48:242:26:299:2622:15
9:11
#21666
30K
18.64 mi14:18:412:56:469:2930:17
9:45
#21427
20M
20.00 mi14:31:553:10:009:3013:14
9:44
#21278
21M
21.00 mi14:43:323:21:379:3611:37
11:37
#21350
35K
21.75 mi14:50:243:28:299:356:52
9:11
#21256
23M
23.00 mi15:03:033:41:089:3712:39
10:06
#21175
24M
24.00 mi15:12:503:50:559:379:47
9:47
#21118
40K
24.85 mi15:21:323:59:379:388:42
10:11
#21085
25.2M
25.20 mi15:25:394:03:449:404:07
11:56
#21115
Finish
26.22 mi15:35:384:13:439:419:59
9:48
#21118
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi232429517951721568(Top 81%)8539(Top 75%)8539(Top 175%)
10K6.21 mi3.10 mi22954+2889335+1829335+18222576(Top 85%)9125(Top 80%)9125(Top 187%)
15K9.32 mi3.11 mi22515+4399100+2359100+23521568(Top 81%)8539(Top 75%)8539(Top 175%)
20K12.43 mi3.11 mi22082+4338877+2238877+22320829(Top 78%)8130(Top 71%)8130(Top 166%)
Half13.11 mi0.68 mi22033+498846+318846+3121138(Top 79%)8332(Top 73%)8332(Top 171%)
25K15.53 mi2.42 mi21666+3678635+2118635+21119751(Top 74%)7563(Top 66%)7563(Top 155%)
30K18.64 mi3.11 mi21427+2398517+1188517+11820295(Top 76%)7938(Top 69%)7938(Top 163%)
20M20.00 mi1.36 mi21278+1498456+618456+6119691(Top 74%)7697(Top 67%)7697(Top 158%)
21M21.00 mi1.00 mi21350-728502-468502-4622091(Top 83%)9046(Top 79%)9046(Top 185%)
35K21.75 mi0.75 mi21256+948461+418461+4118695(Top 70%)7225(Top 63%)7225(Top 148%)
23M23.00 mi1.25 mi21175+818430+318430+3120308(Top 76%)8138(Top 71%)8138(Top 167%)
24M24.00 mi1.00 mi21118+578411+198411+1920189(Top 76%)8082(Top 71%)8082(Top 165%)
40K24.85 mi0.85 mi21085+338404+78404+720443(Top 77%)8306(Top 73%)8306(Top 170%)
25.2M25.20 mi0.35 mi21115-308423-198423-1922387(Top 84%)9335(Top 82%)9335(Top 191%)
Finish26.22 mi1.02 mi21118-38437-148437-1421157(Top 79%)8639(Top 76%)8639(Top 177%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21568

Females

8539

F18-39

8539

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

22576

Females

9125

F18-39

9125

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21568

Females

8539

F18-39

8539

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

20829

Females

8130

F18-39

8130

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

21138

Females

8332

F18-39

8332

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

19751

Females

7563

F18-39

7563

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

20295

Females

7938

F18-39

7938

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19691

Females

7697

F18-39

7697

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22091

Females

9046

F18-39

9046

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18695

Females

7225

F18-39

7225

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

20308

Females

8138

F18-39

8138

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20189

Females

8082

F18-39

8082

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20443

Females

8306

F18-39

8306

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22387

Females

9335

F18-39

9335

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

21157

Females

8639

F18-39

8639

Passing Analysis

Category:
Athletes Passed
2566
Passed By
442
Net Change
+2124
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23242
5K → 10K395107+288#23242#22954
10K → 15K45213+439#22954#22515
15K → 20K44512+433#22515#22082
20K → Half578+49#22082#22033
Half → 25K3681+367#22033#21666
25K → 30K26526+239#21666#21427
30K → 20M15910+149#21427#21278
20M → 21M40112-72#21278#21350
21M → 35K940+94#21350#21256
35K → 23M10928+81#21256#21175
23M → 24M7417+57#21175#21118
24M → 40K5926+33#21118#21085
40K → 25.2M838-30#21085#21115
25.2M → Finish4144-3#21115#21118
TOTALS2566442+2124
📊

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