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BOSTON MARATHON 2023

Lisa Sternstrom

Bib: 22302•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 48%
Masters (Masters Women)
#0 / 6539
Top 37%
Division (F50-54)
#0 / 1207
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:48
Rank: #18391
Start → 5K
26:48 | 8:38/mi
10K· 6.21 mi
53:49
Rank: #18881 (-490)
5K → 10K
27:01 | 8:42/mi
15K· 9.32 mi
1:20:20
Rank: #18582 (+299)
10K → 15K
26:31 | 8:32/mi
20K· 12.43 mi
1:47:07
Rank: #18324 (+258)
15K → 20K
26:47 | 8:37/mi
Half· 13.11 mi
1:52:54
Rank: #18283 (+41)
20K → Half
5:47 | 8:29/mi
25K· 15.53 mi
2:13:46
Rank: #18025 (+258)
Half → 25K
20:52 | 8:36/mi
30K· 18.64 mi
2:40:27
Rank: #17405 (+620)
25K → 30K
26:41 | 8:35/mi
20M
2:52:02
Rank: #17147 (+258)
30K → 20M
11:35 | 8:31/mi
21M
3:00:47
Rank: #16861 (+286)
20M → 21M
8:45 | 8:45/mi
35K· 21.75 mi
3:06:57
Rank: #16732 (+129)
21M → 35K
6:10 | 8:15/mi
23M
3:17:27
Rank: #16491 (+241)
35K → 23M
10:30 | 8:23/mi
24M
3:25:42
Rank: #16321 (+170)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:32:56
Rank: #16180 (+141)
24M → 40K
7:14 | 8:28/mi
25.2M
3:36:01
Rank: #16120 (+60)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:44:13
Rank: #15986 (+134)
25.2M → Finish
8:12 | 8:03/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:52:54
Pace8:37 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:51:19
Pace8:29 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:3026:488:3826:48
8:38
-
10K
6.21 mi11:50:3153:498:4027:01
8:42
+0:04
15K
9.32 mi12:17:021:20:208:3726:31
8:32
-0:10
20K
12.43 mi12:43:491:47:078:3726:47
8:37
+0:05
Half
13.11 mi12:49:361:52:548:375:47
8:29
-0:08
25K
15.53 mi13:10:282:13:468:3720:52
8:36
+0:07
30K
18.64 mi13:37:092:40:278:3626:41
8:35
-0:01
20M
20.00 mi13:48:442:52:028:3611:35
8:31
-0:04
21M
21.00 mi13:57:293:00:478:378:45
8:45
+0:14
35K
21.75 mi14:03:393:06:578:366:10
8:15
-0:30
23M
23.00 mi14:14:093:17:278:3510:30
8:23
+0:08
24M
24.00 mi14:22:243:25:428:348:15
8:15
-0:08
40K
24.85 mi14:29:383:32:568:347:14
8:28
+0:13
25.2M
25.20 mi14:32:433:36:018:343:05
8:56
+0:28
Finish
26.22 mi14:40:553:44:138:338:12
8:03
-0:53

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

8:03 /mi

Average Pace

8:33 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:41:08

99% of race

Time at Steady Pace

3:05

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:33 /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 mi11:23:3026:488:3826:48
8:38
#18391
10K
6.21 mi11:50:3153:498:4027:01
8:42
#18881
15K
9.32 mi12:17:021:20:208:3726:31
8:32
#18582
20K
12.43 mi12:43:491:47:078:3726:47
8:37
#18324
Half
13.11 mi12:49:361:52:548:375:47
8:29
#18283
25K
15.53 mi13:10:282:13:468:3720:52
8:36
#18025
30K
18.64 mi13:37:092:40:278:3626:41
8:35
#17405
20M
20.00 mi13:48:442:52:028:3611:35
8:31
#17147
21M
21.00 mi13:57:293:00:478:378:45
8:45
#16861
35K
21.75 mi14:03:393:06:578:366:10
8:15
#16732
23M
23.00 mi14:14:093:17:278:3510:30
8:23
#16491
24M
24.00 mi14:22:243:25:428:348:15
8:15
#16321
40K
24.85 mi14:29:383:32:568:347:14
8:28
#16180
25.2M
25.20 mi14:32:433:36:018:343:05
8:56
#16120
Finish
26.22 mi14:40:553:44:138:338:12
8:03
#15986
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi183916803680318042(Top 68%)6522(Top 57%)6522(Top 540%)
10K6.21 mi3.10 mi18881-4907063-2607063-26019406(Top 73%)7316(Top 64%)7316(Top 606%)
15K9.32 mi3.11 mi18582+2996870+1936870+19318042(Top 68%)6522(Top 57%)6522(Top 540%)
20K12.43 mi3.11 mi18324+2586703+1676703+16717631(Top 66%)6303(Top 55%)6303(Top 522%)
Half13.11 mi0.68 mi18283+416682+216682+2117594(Top 66%)6231(Top 55%)6231(Top 516%)
25K15.53 mi2.42 mi18025+2586547+1356547+13516839(Top 63%)5912(Top 52%)5912(Top 490%)
30K18.64 mi3.11 mi17405+6206193+3546193+35414866(Top 56%)4857(Top 43%)4857(Top 402%)
20M20.00 mi1.36 mi17147+2586067+1266067+12613809(Top 52%)4308(Top 38%)4308(Top 357%)
21M21.00 mi1.00 mi16861+2865901+1665901+16612018(Top 45%)3420(Top 30%)3420(Top 283%)
35K21.75 mi0.75 mi16732+1295838+635838+6313815(Top 52%)4478(Top 39%)4478(Top 371%)
23M23.00 mi1.25 mi16491+2415726+1125726+11212536(Top 47%)3826(Top 33%)3826(Top 317%)
24M24.00 mi1.00 mi16321+1705638+885638+8812990(Top 49%)4142(Top 36%)4142(Top 343%)
40K24.85 mi0.85 mi16180+1415580+585580+5813126(Top 49%)4282(Top 37%)4282(Top 355%)
25.2M25.20 mi0.35 mi16120+605542+385542+3812289(Top 46%)3902(Top 34%)3902(Top 323%)
Finish26.22 mi1.02 mi15986+1345478+645478+6412485(Top 47%)3962(Top 35%)3962(Top 328%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

18042

Females

6522

F50-54

6522

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

19406

Females

7316

F50-54

7316

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

18042

Females

6522

F50-54

6522

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17631

Females

6303

F50-54

6303

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17594

Females

6231

F50-54

6231

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

16839

Females

5912

F50-54

5912

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

14866

Females

4857

F50-54

4857

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13809

Females

4308

F50-54

4308

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12018

Females

3420

F50-54

3420

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

13815

Females

4478

F50-54

4478

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

12536

Females

3826

F50-54

3826

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

12990

Females

4142

F50-54

4142

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13126

Females

4282

F50-54

4282

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12289

Females

3902

F50-54

3902

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

12485

Females

3962

F50-54

3962

Passing Analysis

Category:
Athletes Passed
3256
Passed By
851
Net Change
+2405
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18391
5K → 10K147637-490#18391#18881
10K → 15K37576+299#18881#18582
15K → 20K31254+258#18582#18324
20K → Half5211+41#18324#18283
Half → 25K28325+258#18283#18025
25K → 30K6255+620#18025#17405
30K → 20M2624+258#17405#17147
20M → 21M2871+286#17147#16861
21M → 35K1301+129#16861#16732
35K → 23M2443+241#16732#16491
23M → 24M1788+170#16491#16321
24M → 40K1509+141#16321#16180
40K → 25.2M644+60#16180#16120
25.2M → Finish14713+134#16120#15986
TOTALS3256851+2405
📊

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