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BOSTON MARATHON 2023

Melissa Shea

Bib: 26037•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
9:43/mi
30:12
↑ 97↓ 3451.5%
10K· 6.21 mi
9:23/mi
59:20
↑ 79↓ 1380.4%
15K· 9.32 mi
9:22/mi
1:28:27
↑ 67↓ 78
20K· 12.43 mi
9:47/mi
1:58:50
↑ 106↓ 860.1%
Half· 13.11 mi
9:30/mi
2:05:19
↑ 19↓ 370.5%
25K· 15.53 mi
10:19/mi
2:30:21
↑ 66↓ 880.2%
30K· 18.64 mi
10:42/mi
3:03:36
↑ 181↓ 1480.2%
20M
10:56/mi
3:18:28
↑ 64↓ 500.2%
21M
13:56/mi
3:32:24
↑ 106↓ 241.6%
35K· 21.75 mi
10:12/mi
3:40:02
↑ 17↓ 861.7%
23M
10:44/mi
3:53:28
↑ 23↓ 630.6%
24M
10:43/mi
4:04:11
↓ 821.3%
40K· 24.85 mi
10:56/mi
4:13:32
↓ 200.3%
25.2M
10:44/mi
4:17:14
↑ 13↓ 160.2%
Finish· 26.22 mi
9:30/mi
4:26:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:19
Pace9:34 /mi
2nd Half
Distance13.11 mi
Time2:21:36
Pace10:48 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4130:129:4330:12
9:43
-
10K
6.21 mi12:20:4959:209:3329:08
9:23
-0:20
15K
9.32 mi12:49:561:28:279:2929:07
9:22
-0:01
20K
12.43 mi13:20:191:58:509:3430:23
9:47
+0:25
Half
13.11 mi13:26:482:05:199:346:29
9:30
-0:17
25K
15.53 mi13:51:502:30:219:4125:02
10:19
+0:49
30K
18.64 mi14:25:053:03:369:5133:15
10:42
+0:23
20M
20.00 mi14:39:573:18:289:5514:52
10:56
+0:14
21M
21.00 mi14:53:533:32:2410:0713:56
13:56
+3:00
35K
21.75 mi15:01:313:40:0210:077:38
10:12
-3:44
23M
23.00 mi15:14:573:53:2810:0913:26
10:44
+0:32
24M
24.00 mi15:25:404:04:1110:1010:43
10:43
-0:01
40K
24.85 mi15:35:014:13:3210:129:21
10:56
+0:13
25.2M
25.20 mi15:38:434:17:1410:123:42
10:44
-0:12
Finish
26.22 mi15:48:244:26:5510:119:41
9:30
-1:14

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

9:22 /mi

Average Pace

10:11 /mi

Slowest Pace

13:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:37

39% of race

Time at Steady Pace

2:04:09

47% of race

Time at Slower Pace

38:09

14% of race

Average Pace: 10:11 /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 mi11:51:4130:129:4330:12
9:43
#22718
10K
6.21 mi12:20:4959:209:3329:08
9:23
#22465
15K
9.32 mi12:49:561:28:279:2929:07
9:22
#22281
20K
12.43 mi13:20:191:58:509:3430:23
9:47
#22293
Half
13.11 mi13:26:482:05:199:346:29
9:30
#22282
25K
15.53 mi13:51:502:30:219:4125:02
10:19
#22424
30K
18.64 mi14:25:053:03:369:5133:15
10:42
#22442
20M
20.00 mi14:39:573:18:289:5514:52
10:56
#22457
21M
21.00 mi14:53:533:32:2410:0713:56
13:56
#22697
35K
21.75 mi15:01:313:40:0210:077:38
10:12
#22662
23M
23.00 mi15:14:573:53:2810:0913:26
10:44
#22594
24M
24.00 mi15:25:404:04:1110:1010:43
10:43
#22579
40K
24.85 mi15:35:014:13:3210:129:21
10:56
#22577
25.2M
25.20 mi15:38:434:17:1410:123:42
10:44
#22542
Finish
26.22 mi15:48:244:26:5510:119:41
9:30
#22466
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi227189243924321888(Top 82%)8727(Top 76%)8727(Top 179%)
10K6.21 mi3.10 mi22465+2539084+1599084+15922166(Top 83%)8911(Top 78%)8911(Top 182%)
15K9.32 mi3.11 mi22281+1848977+1078977+10721888(Top 82%)8727(Top 76%)8727(Top 179%)
20K12.43 mi3.11 mi22293-128979-28979-222359(Top 84%)9002(Top 79%)9002(Top 184%)
Half13.11 mi0.68 mi22282+118975+48975+422134(Top 83%)8858(Top 78%)8858(Top 181%)
25K15.53 mi2.42 mi22424-1429066-919066-9122893(Top 86%)9328(Top 82%)9328(Top 191%)
30K18.64 mi3.11 mi22442-189087-219087-2122615(Top 85%)9251(Top 81%)9251(Top 189%)
20M20.00 mi1.36 mi22457-159110-239110-2322605(Top 85%)9303(Top 81%)9303(Top 190%)
21M21.00 mi1.00 mi22697-2409247-1379247-13724974(Top 94%)10598(Top 93%)10598(Top 217%)
35K21.75 mi0.75 mi22662+359238+99238+921805(Top 82%)8939(Top 78%)8939(Top 183%)
23M23.00 mi1.25 mi22594+689207+319207+3121844(Top 82%)8992(Top 79%)8992(Top 184%)
24M24.00 mi1.00 mi22579+159208-19208-122490(Top 84%)9360(Top 82%)9360(Top 192%)
40K24.85 mi0.85 mi22577+29214-69214-622228(Top 83%)9254(Top 81%)9254(Top 189%)
25.2M25.20 mi0.35 mi22542+359199+159199+1519847(Top 75%)7988(Top 70%)7988(Top 164%)
Finish26.22 mi1.02 mi22466+769164+359164+3520167(Top 76%)8103(Top 71%)8103(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

21888

Females

8727

F18-39

8727

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

22166

Females

8911

F18-39

8911

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

21888

Females

8727

F18-39

8727

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

22359

Females

9002

F18-39

9002

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

22134

Females

8858

F18-39

8858

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22893

Females

9328

F18-39

9328

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

22615

Females

9251

F18-39

9251

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

22605

Females

9303

F18-39

9303

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

24974

Females

10598

F18-39

10598

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

21805

Females

8939

F18-39

8939

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

21844

Females

8992

F18-39

8992

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22490

Females

9360

F18-39

9360

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22228

Females

9254

F18-39

9254

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19847

Females

7988

F18-39

7988

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

20167

Females

8103

F18-39

8103

Passing Analysis

Category:
Athletes Passed
1367
Passed By
1115
Net Change
+252
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22718
5K → 10K391138+253#22718#22465
10K → 15K26278+184#22465#22281
15K → 20K128140-12#22281#22293
20K → Half2514+11#22293#22282
Half → 25K60202-142#22282#22424
25K → 30K108126-18#22424#22442
30K → 20M5671-15#22442#22457
20M → 21M9249-240#22457#22697
21M → 35K4813+35#22697#22662
35K → 23M9527+68#22662#22594
23M → 24M3318+15#22594#22579
24M → 40K3331+2#22579#22577
40K → 25.2M383+35#22577#22542
25.2M → Finish815+76#22542#22466
TOTALS13671115+252
📊

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