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BOSTON MARATHON 2023

Liz Sharon

Bib: 21104•F

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
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
8:43/mi
27:05
↑ 97↓ 3451.5%
10K· 6.21 mi
8:42/mi
54:07
↑ 79↓ 1380.4%
15K· 9.32 mi
8:52/mi
1:21:40
↑ 67↓ 78
20K· 12.43 mi
9:29/mi
1:51:07
↑ 106↓ 860.1%
Half· 13.11 mi
9:17/mi
1:57:27
↑ 19↓ 370.5%
25K· 15.53 mi
9:58/mi
2:21:36
↑ 66↓ 880.2%
30K· 18.64 mi
10:04/mi
2:52:53
↑ 181↓ 1480.2%
20M
10:16/mi
3:06:50
↑ 64↓ 500.2%
21M
11:23/mi
3:18:13
↑ 106↓ 241.6%
35K· 21.75 mi
9:59/mi
3:25:41
↑ 17↓ 861.7%
23M
10:42/mi
3:39:04
↑ 23↓ 630.6%
24M
10:42/mi
3:49:46
↓ 821.3%
40K· 24.85 mi
10:05/mi
3:58:23
↓ 200.3%
25.2M
11:16/mi
4:02:16
↑ 13↓ 160.2%
Finish· 26.22 mi
9:54/mi
4:12:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:27
Pace8:58 /mi
2nd Half
Distance13.11 mi
Time2:14:54
Pace10:17 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1127:058:4327:05
8:43
-
10K
6.21 mi11:47:1354:078:4327:02
8:42
-0:01
15K
9.32 mi12:14:461:21:408:4627:33
8:52
+0:10
20K
12.43 mi12:44:131:51:078:5629:27
9:29
+0:37
Half
13.11 mi12:50:331:57:278:586:20
9:17
-0:12
25K
15.53 mi13:14:422:21:369:0724:09
9:58
+0:41
30K
18.64 mi13:45:592:52:539:1631:17
10:04
+0:06
20M
20.00 mi13:59:563:06:509:2013:57
10:16
+0:12
21M
21.00 mi14:11:193:18:139:2611:23
11:23
+1:07
35K
21.75 mi14:18:473:25:419:277:28
9:59
-1:24
23M
23.00 mi14:32:103:39:049:3113:23
10:42
+0:43
24M
24.00 mi14:42:523:49:469:3410:42
10:42
0:00
40K
24.85 mi14:51:293:58:239:358:37
10:05
-0:37
25.2M
25.20 mi14:55:224:02:169:373:53
11:16
+1:11
Finish
26.22 mi15:05:274:12:219:3810:05
9:54
-1:22

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

9:38 /mi

Slowest Pace

11:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:27

47% of race

Time at Steady Pace

1:35:33

38% of race

Time at Slower Pace

39:21

16% of race

Average Pace: 9:37 /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 mi11:20:1127:058:4327:05
8:43
#19005
10K
6.21 mi11:47:1354:078:4327:02
8:42
#19163
15K
9.32 mi12:14:461:21:408:4627:33
8:52
#19410
20K
12.43 mi12:44:131:51:078:5629:27
9:29
#20071
Half
13.11 mi12:50:331:57:278:586:20
9:17
#20168
25K
15.53 mi13:14:422:21:369:0724:09
9:58
#20626
30K
18.64 mi13:45:592:52:539:1631:17
10:04
#20730
20M
20.00 mi13:59:563:06:509:2013:57
10:16
#20748
21M
21.00 mi14:11:193:18:139:2611:23
11:23
#20826
35K
21.75 mi14:18:473:25:419:277:28
9:59
#20825
23M
23.00 mi14:32:103:39:049:3113:23
10:42
#20873
24M
24.00 mi14:42:523:49:469:3410:42
10:42
#20966
40K
24.85 mi14:51:293:58:239:358:37
10:05
#20916
25.2M
25.20 mi14:55:224:02:169:373:53
11:16
#20915
Finish
26.22 mi15:05:274:12:219:3810:05
9:54
#20924
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi190057214721419899(Top 75%)7634(Top 67%)7634(Top 420%)
10K6.21 mi3.10 mi19163-1587256-427256-4219455(Top 73%)7357(Top 64%)7357(Top 405%)
15K9.32 mi3.11 mi19410-2477399-1437399-14319899(Top 75%)7634(Top 67%)7634(Top 420%)
20K12.43 mi3.11 mi20071-6617760-3617760-36121490(Top 81%)8521(Top 75%)8521(Top 469%)
Half13.11 mi0.68 mi20168-977808-487808-4821472(Top 81%)8501(Top 74%)8501(Top 468%)
25K15.53 mi2.42 mi20626-4588056-2488056-24822128(Top 83%)8905(Top 78%)8905(Top 490%)
30K18.64 mi3.11 mi20730-1048122-668122-6621213(Top 80%)8468(Top 74%)8468(Top 466%)
20M20.00 mi1.36 mi20748-188147-258147-2521185(Top 80%)8508(Top 74%)8508(Top 468%)
21M21.00 mi1.00 mi20826-788209-628209-6221666(Top 81%)8812(Top 77%)8812(Top 485%)
35K21.75 mi0.75 mi20825+18226-178226-1721220(Top 80%)8608(Top 75%)8608(Top 474%)
23M23.00 mi1.25 mi20873-488265-398265-3921750(Top 82%)8940(Top 78%)8940(Top 492%)
24M24.00 mi1.00 mi20966-938325-608325-6022442(Top 84%)9341(Top 82%)9341(Top 514%)
40K24.85 mi0.85 mi20916+508308+178308+1720193(Top 76%)8162(Top 71%)8162(Top 449%)
25.2M25.20 mi0.35 mi20915+18311-38311-321064(Top 79%)8623(Top 75%)8623(Top 475%)
Finish26.22 mi1.02 mi20924-98329-188329-1821478(Top 81%)8834(Top 77%)8834(Top 486%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

19899

Females

7634

F45-49

7634

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19455

Females

7357

F45-49

7357

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

19899

Females

7634

F45-49

7634

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

21490

Females

8521

F45-49

8521

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21472

Females

8501

F45-49

8501

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

22128

Females

8905

F45-49

8905

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

21213

Females

8468

F45-49

8468

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

21185

Females

8508

F45-49

8508

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21666

Females

8812

F45-49

8812

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

21220

Females

8608

F45-49

8608

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

21750

Females

8940

F45-49

8940

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22442

Females

9341

F45-49

9341

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20193

Females

8162

F45-49

8162

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21064

Females

8623

F45-49

8623

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21478

Females

8834

F45-49

8834

Passing Analysis

Category:
Athletes Passed
916
Passed By
2835
Net Change
-1919
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19005
5K → 10K267425-158#19005#19163
10K → 15K95342-247#19163#19410
15K → 20K53714-661#19410#20071
20K → Half5102-97#20071#20168
Half → 25K19477-458#20168#20626
25K → 30K117221-104#20626#20730
30K → 20M7088-18#20730#20748
20M → 21M38116-78#20748#20826
21M → 35K4140+1#20826#20825
35K → 23M55103-48#20825#20873
23M → 24M24117-93#20873#20966
24M → 40K6515+50#20966#20916
40K → 25.2M1817+1#20916#20915
25.2M → Finish4958-9#20915#20924
TOTALS9162835-1919
📊

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