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BOSTON MARATHON 2023

Sheli Morrell

Bib: 12506•F

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 48%
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
8:06/mi
25:10
↑ 97↓ 3451.5%
10K· 6.21 mi
8:14/mi
50:45
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:16:02
↑ 67↓ 78
20K· 12.43 mi
8:15/mi
1:41:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:47:18
↑ 19↓ 370.5%
25K· 15.53 mi
8:32/mi
2:08:00
↑ 66↓ 880.2%
30K· 18.64 mi
8:47/mi
2:35:18
↑ 181↓ 1480.2%
20M
9:04/mi
2:47:37
↑ 64↓ 500.2%
21M
9:31/mi
2:57:08
↑ 106↓ 241.6%
35K· 21.75 mi
9:05/mi
3:03:56
↑ 17↓ 861.7%
23M
9:02/mi
3:15:15
↑ 23↓ 630.6%
24M
9:15/mi
3:24:30
↓ 821.3%
40K· 24.85 mi
9:05/mi
3:32:16
↓ 200.3%
25.2M
9:31/mi
3:35:33
↑ 13↓ 160.2%
Finish· 26.22 mi
8:46/mi
3:44:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:18
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:57:11
Pace8:56 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1025:108:0625:10
8:06
-
10K
6.21 mi11:18:4550:458:1025:35
8:14
+0:08
15K
9.32 mi11:44:021:16:028:0925:17
8:08
-0:06
20K
12.43 mi12:09:411:41:418:1125:39
8:15
+0:07
Half
13.11 mi12:15:181:47:188:115:37
8:14
-0:01
25K
15.53 mi12:36:002:08:008:1420:42
8:32
+0:18
30K
18.64 mi13:03:182:35:188:2027:18
8:47
+0:15
20M
20.00 mi13:15:372:47:378:2312:19
9:04
+0:17
21M
21.00 mi13:25:082:57:088:269:31
9:31
+0:27
35K
21.75 mi13:31:563:03:568:276:48
9:05
-0:26
23M
23.00 mi13:43:153:15:158:2911:19
9:02
-0:03
24M
24.00 mi13:52:303:24:308:319:15
9:15
+0:13
40K
24.85 mi14:00:163:32:168:327:46
9:05
-0:10
25.2M
25.20 mi14:03:333:35:338:333:17
9:31
+0:26
Finish
26.22 mi14:12:293:44:298:348:56
8:46
-0:45

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

8:06 /mi

Average Pace

8:34 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:14

73% of race

Time at Steady Pace

1:00:15

27% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:34 /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 mi10:53:1025:108:0625:10
8:06
#14732
10K
6.21 mi11:18:4550:458:1025:35
8:14
#15609
15K
9.32 mi11:44:021:16:028:0925:17
8:08
#15529
20K
12.43 mi12:09:411:41:418:1125:39
8:15
#15456
Half
13.11 mi12:15:181:47:188:115:37
8:14
#15488
25K
15.53 mi12:36:002:08:008:1420:42
8:32
#15622
30K
18.64 mi13:03:182:35:188:2027:18
8:47
#15687
20M
20.00 mi13:15:372:47:378:2312:19
9:04
#15745
21M
21.00 mi13:25:082:57:088:269:31
9:31
#15762
35K
21.75 mi13:31:563:03:568:276:48
9:05
#15844
23M
23.00 mi13:43:153:15:158:2911:19
9:02
#15880
24M
24.00 mi13:52:303:24:308:319:15
9:15
#16011
40K
24.85 mi14:00:163:32:168:327:46
9:05
#16023
25.2M
25.20 mi14:03:333:35:338:333:17
9:31
#16005
Finish
26.22 mi14:12:293:44:298:348:56
8:46
#16046
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi147324477447715438(Top 58%)4941(Top 43%)4941(Top 101%)
10K6.21 mi3.10 mi15609-8775038-5615038-56116502(Top 62%)5577(Top 49%)5577(Top 114%)
15K9.32 mi3.11 mi15529+804995+434995+4315438(Top 58%)4941(Top 43%)4941(Top 101%)
20K12.43 mi3.11 mi15456+734969+264969+2615335(Top 58%)4926(Top 43%)4926(Top 101%)
Half13.11 mi0.68 mi15488-324990-214990-2116084(Top 60%)5352(Top 47%)5352(Top 110%)
25K15.53 mi2.42 mi15622-1345102-1125102-11216424(Top 62%)5679(Top 50%)5679(Top 116%)
30K18.64 mi3.11 mi15687-655180-785180-7815981(Top 60%)5486(Top 48%)5486(Top 112%)
20M20.00 mi1.36 mi15745-585235-555235-5516871(Top 63%)6075(Top 53%)6075(Top 124%)
21M21.00 mi1.00 mi15762-175276-415276-4116053(Top 60%)5660(Top 50%)5660(Top 116%)
35K21.75 mi0.75 mi15844-825340-645340-6418279(Top 69%)6980(Top 61%)6980(Top 143%)
23M23.00 mi1.25 mi15880-365386-465386-4616255(Top 61%)5882(Top 51%)5882(Top 120%)
24M24.00 mi1.00 mi16011-1315473-875473-8718264(Top 69%)7032(Top 62%)7032(Top 144%)
40K24.85 mi0.85 mi16023-125489-165489-1616575(Top 62%)6165(Top 54%)6165(Top 126%)
25.2M25.20 mi0.35 mi16005+185483+65483+615338(Top 58%)5499(Top 48%)5499(Top 113%)
Finish26.22 mi1.02 mi16046-415515-325515-3216862(Top 63%)6294(Top 55%)6294(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15438

Females

4941

F18-39

4941

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16502

Females

5577

F18-39

5577

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15438

Females

4941

F18-39

4941

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15335

Females

4926

F18-39

4926

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

16084

Females

5352

F18-39

5352

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

16424

Females

5679

F18-39

5679

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

15981

Females

5486

F18-39

5486

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16871

Females

6075

F18-39

6075

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

16053

Females

5660

F18-39

5660

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

18279

Females

6980

F18-39

6980

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16255

Females

5882

F18-39

5882

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

18264

Females

7032

F18-39

7032

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16575

Females

6165

F18-39

6165

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15338

Females

5499

F18-39

5499

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

16862

Females

6294

F18-39

6294

Passing Analysis

Category:
Athletes Passed
1194
Passed By
2508
Net Change
-1314
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14732
5K → 10K63940-877#14732#15609
10K → 15K221141+80#15609#15529
15K → 20K202129+73#15529#15456
20K → Half2153-32#15456#15488
Half → 25K106240-134#15488#15622
25K → 30K148213-65#15622#15687
30K → 20M70128-58#15687#15745
20M → 21M93110-17#15745#15762
21M → 35K23105-82#15762#15844
35K → 23M73109-36#15844#15880
23M → 24M41172-131#15880#16011
24M → 40K5567-12#16011#16023
40K → 25.2M3517+18#16023#16005
25.2M → Finish4384-41#16005#16046
TOTALS11942508-1314
📊

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