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BOSTON MARATHON 2023

Sharon Michaelson

Bib: 21424•F

PA

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 (F55-59)
#0 / 815
Top 14%
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
8:32/mi
26:31
↑ 97↓ 3451.5%
10K· 6.21 mi
8:21/mi
52:28
↑ 79↓ 1380.4%
15K· 9.32 mi
8:18/mi
1:18:16
↑ 67↓ 78
20K· 12.43 mi
8:12/mi
1:43:45
↑ 106↓ 860.1%
Half· 13.11 mi
8:02/mi
1:49:14
↑ 19↓ 370.5%
25K· 15.53 mi
8:24/mi
2:09:36
↑ 66↓ 880.2%
30K· 18.64 mi
8:33/mi
2:36:11
↑ 181↓ 1480.2%
20M
8:51/mi
2:48:13
↑ 64↓ 500.2%
21M
9:19/mi
2:57:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:40/mi
3:04:01
↑ 17↓ 861.7%
23M
8:55/mi
3:15:11
↑ 23↓ 630.6%
24M
8:57/mi
3:24:08
↓ 821.3%
40K· 24.85 mi
8:54/mi
3:31:45
↓ 200.3%
25.2M
9:23/mi
3:34:59
↑ 13↓ 160.2%
Finish· 26.22 mi
8:56/mi
3:44:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:14
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time1:54:51
Pace8:46 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3126:318:3226:31
8:32
-
10K
6.21 mi11:46:2852:288:2725:57
8:21
-0:11
15K
9.32 mi12:12:161:18:168:2425:48
8:18
-0:03
20K
12.43 mi12:37:451:43:458:2125:29
8:12
-0:06
Half
13.11 mi12:43:141:49:148:205:29
8:02
-0:10
25K
15.53 mi13:03:362:09:368:2120:22
8:24
+0:22
30K
18.64 mi13:30:112:36:118:2326:35
8:33
+0:09
20M
20.00 mi13:42:132:48:138:2512:02
8:51
+0:18
21M
21.00 mi13:51:322:57:328:279:19
9:19
+0:28
35K
21.75 mi13:58:013:04:018:286:29
8:40
-0:39
23M
23.00 mi14:09:113:15:118:2911:10
8:55
+0:15
24M
24.00 mi14:18:083:24:088:308:57
8:57
+0:02
40K
24.85 mi14:25:453:31:458:317:37
8:54
-0:03
25.2M
25.20 mi14:28:593:34:598:323:14
9:23
+0:29
Finish
26.22 mi14:38:053:44:058:339:06
8:56
-0:27

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

8:02 /mi

Average Pace

8:33 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:40

73% of race

Time at Steady Pace

1:01:25

27% 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 mi11:20:3126:318:3226:31
8:32
#17797
10K
6.21 mi11:46:2852:288:2725:57
8:21
#17500
15K
9.32 mi12:12:161:18:168:2425:48
8:18
#17182
20K
12.43 mi12:37:451:43:458:2125:29
8:12
#16622
Half
13.11 mi12:43:141:49:148:205:29
8:02
#16518
25K
15.53 mi13:03:362:09:368:2120:22
8:24
#16353
30K
18.64 mi13:30:112:36:118:2326:35
8:33
#16010
20M
20.00 mi13:42:132:48:138:2512:02
8:51
#15974
21M
21.00 mi13:51:322:57:328:279:19
9:19
#15892
35K
21.75 mi13:58:013:04:018:286:29
8:40
#15873
23M
23.00 mi14:09:113:15:118:2911:10
8:55
#15857
24M
24.00 mi14:18:083:24:088:308:57
8:57
#15911
40K
24.85 mi14:25:453:31:458:317:37
8:54
#15901
25.2M
25.20 mi14:28:593:34:598:323:14
9:23
#15857
Finish
26.22 mi14:38:053:44:058:339:06
8:56
#15947
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi177976419641916569(Top 62%)5641(Top 49%)5641(Top 692%)
10K6.21 mi3.10 mi17500+2976225+1946225+19417262(Top 65%)6037(Top 53%)6037(Top 741%)
15K9.32 mi3.11 mi17182+3186020+2056020+20516569(Top 62%)5641(Top 49%)5641(Top 692%)
20K12.43 mi3.11 mi16622+5605689+3315689+33114988(Top 56%)4712(Top 41%)4712(Top 578%)
Half13.11 mi0.68 mi16518+1045626+635626+6314750(Top 55%)4546(Top 40%)4546(Top 558%)
25K15.53 mi2.42 mi16353+1655544+825544+8215595(Top 59%)5204(Top 46%)5204(Top 639%)
30K18.64 mi3.11 mi16010+3435382+1625382+16214668(Top 55%)4735(Top 41%)4735(Top 581%)
20M20.00 mi1.36 mi15974+365380+25380+215767(Top 59%)5431(Top 48%)5431(Top 666%)
21M21.00 mi1.00 mi15892+825350+305350+3015102(Top 57%)5119(Top 45%)5119(Top 628%)
35K21.75 mi0.75 mi15873+195357-75357-716255(Top 61%)5840(Top 51%)5840(Top 717%)
23M23.00 mi1.25 mi15857+165372-155372-1515646(Top 59%)5544(Top 49%)5544(Top 680%)
24M24.00 mi1.00 mi15911-545422-505422-5017003(Top 64%)6353(Top 56%)6353(Top 780%)
40K24.85 mi0.85 mi15901+105421+15421+115681(Top 59%)5673(Top 50%)5673(Top 696%)
25.2M25.20 mi0.35 mi15857+445400+215400+2114637(Top 55%)5103(Top 45%)5103(Top 626%)
Finish26.22 mi1.02 mi15947-905460-605460-6017631(Top 66%)6716(Top 59%)6716(Top 824%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16569

Females

5641

F55-59

5641

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

17262

Females

6037

F55-59

6037

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16569

Females

5641

F55-59

5641

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

14988

Females

4712

F55-59

4712

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14750

Females

4546

F55-59

4546

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15595

Females

5204

F55-59

5204

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14668

Females

4735

F55-59

4735

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

15767

Females

5431

F55-59

5431

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15102

Females

5119

F55-59

5119

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

16255

Females

5840

F55-59

5840

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15646

Females

5544

F55-59

5544

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

17003

Females

6353

F55-59

6353

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15681

Females

5673

F55-59

5673

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14637

Females

5103

F55-59

5103

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

17631

Females

6716

F55-59

6716

Passing Analysis

Category:
Athletes Passed
2767
Passed By
917
Net Change
+1850
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17797
5K → 10K499202+297#17797#17500
10K → 15K39072+318#17500#17182
15K → 20K57818+560#17182#16622
20K → Half1117+104#16622#16518
Half → 25K22762+165#16518#16353
25K → 30K37532+343#16353#16010
30K → 20M10468+36#16010#15974
20M → 21M12846+82#15974#15892
21M → 35K6041+19#15892#15873
35K → 23M9478+16#15873#15857
23M → 24M55109-54#15857#15911
24M → 40K6454+10#15911#15901
40K → 25.2M528+44#15901#15857
25.2M → Finish30120-90#15857#15947
TOTALS2767917+1850
📊

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