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BOSTON MARATHON 2023

Shelaine Dolce

Bib: 16312•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 31%
Masters (Masters Women)
#0 / 6539
Top 17%
Division (F40-44)
#0 / 1878
Top 33%
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
7:35/mi
23:34
↑ 97↓ 3451.5%
10K· 6.21 mi
7:40/mi
47:22
↑ 79↓ 1380.4%
15K· 9.32 mi
7:35/mi
1:10:57
↑ 67↓ 78
20K· 12.43 mi
7:46/mi
1:35:06
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:40:14
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
1:59:12
↑ 66↓ 880.2%
30K· 18.64 mi
8:14/mi
2:24:47
↑ 181↓ 1480.2%
20M
8:20/mi
2:36:06
↑ 64↓ 500.2%
21M
9:01/mi
2:45:07
↑ 106↓ 241.6%
35K· 21.75 mi
8:24/mi
2:51:24
↑ 17↓ 861.7%
23M
8:46/mi
3:02:22
↑ 23↓ 630.6%
24M
9:55/mi
3:12:17
↓ 821.3%
40K· 24.85 mi
8:36/mi
3:19:38
↓ 200.3%
25.2M
9:11/mi
3:22:48
↑ 13↓ 160.2%
Finish· 26.22 mi
8:25/mi
3:31:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:14
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:51:09
Pace8:29 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:3623:347:3523:34
7:35
-
10K
6.21 mi11:37:2447:227:3723:48
7:40
+0:05
15K
9.32 mi12:00:591:10:577:3723:35
7:35
-0:05
20K
12.43 mi12:25:081:35:067:3924:09
7:46
+0:11
Half
13.11 mi12:30:161:40:147:395:08
7:31
-0:15
25K
15.53 mi12:49:141:59:127:4018:58
7:49
+0:18
30K
18.64 mi13:14:492:24:477:4625:35
8:14
+0:25
20M
20.00 mi13:26:082:36:067:4811:19
8:20
+0:06
21M
21.00 mi13:35:092:45:077:529:01
9:01
+0:41
35K
21.75 mi13:41:262:51:247:536:17
8:24
-0:37
23M
23.00 mi13:52:243:02:227:5610:58
8:46
+0:22
24M
24.00 mi14:02:193:12:178:019:55
9:55
+1:09
40K
24.85 mi14:09:403:19:388:027:21
8:36
-1:19
25.2M
25.20 mi14:12:503:22:488:033:10
9:11
+0:35
Finish
26.22 mi14:21:253:31:238:048:35
8:25
-0:46

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

7:31 /mi

Average Pace

8:04 /mi

Slowest Pace

9:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:12

56% of race

Time at Steady Pace

59:07

28% of race

Time at Slower Pace

33:04

16% of race

Average Pace: 8:04 /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 mi11:13:3623:347:3523:34
7:35
#10419
10K
6.21 mi11:37:2447:227:3723:48
7:40
#11131
15K
9.32 mi12:00:591:10:577:3723:35
7:35
#11038
20K
12.43 mi12:25:081:35:067:3924:09
7:46
#11133
Half
13.11 mi12:30:161:40:147:395:08
7:31
#11093
25K
15.53 mi12:49:141:59:127:4018:58
7:49
#11095
30K
18.64 mi13:14:492:24:477:4625:35
8:14
#11309
20M
20.00 mi13:26:082:36:067:4811:19
8:20
#11404
21M
21.00 mi13:35:092:45:077:529:01
9:01
#11543
35K
21.75 mi13:41:262:51:247:536:17
8:24
#11691
23M
23.00 mi13:52:243:02:227:5610:58
8:46
#11890
24M
24.00 mi14:02:193:12:178:019:55
9:55
#12462
40K
24.85 mi14:09:403:19:388:027:21
8:36
#12537
25.2M
25.20 mi14:12:503:22:488:033:10
9:11
#12545
Finish
26.22 mi14:21:253:31:238:048:35
8:25
#12642
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi104192049204910955(Top 41%)2320(Top 20%)2320(Top 124%)
10K6.21 mi3.10 mi11131-7122396-3472396-34711905(Top 45%)2812(Top 25%)2812(Top 150%)
15K9.32 mi3.11 mi11038+932352+442352+4410955(Top 41%)2320(Top 20%)2320(Top 124%)
20K12.43 mi3.11 mi11133-952401-492401-4911525(Top 43%)2700(Top 24%)2700(Top 144%)
Half13.11 mi0.68 mi11093+402382+192382+1910502(Top 39%)2157(Top 19%)2157(Top 115%)
25K15.53 mi2.42 mi11095-22408-262408-2611318(Top 43%)2674(Top 23%)2674(Top 142%)
30K18.64 mi3.11 mi11309-2142594-1862594-18612576(Top 47%)3506(Top 31%)3506(Top 187%)
20M20.00 mi1.36 mi11404-952661-672661-6712552(Top 47%)3609(Top 32%)3609(Top 192%)
21M21.00 mi1.00 mi11543-1392756-952756-9513524(Top 51%)4219(Top 37%)4219(Top 225%)
35K21.75 mi0.75 mi11691-1482850-942850-9414721(Top 55%)4935(Top 43%)4935(Top 263%)
23M23.00 mi1.25 mi11890-1992987-1372987-13714761(Top 55%)5037(Top 44%)5037(Top 268%)
24M24.00 mi1.00 mi12462-5723328-3413328-34120551(Top 77%)8291(Top 73%)8291(Top 441%)
40K24.85 mi0.85 mi12537-753397-693397-6913943(Top 52%)4706(Top 41%)4706(Top 251%)
25.2M25.20 mi0.35 mi12545-83404-73404-713573(Top 51%)4510(Top 39%)4510(Top 240%)
Finish26.22 mi1.02 mi12642-973488-843488-8414894(Top 56%)5195(Top 45%)5195(Top 277%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10955

Females

2320

F40-44

2320

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

11905

Females

2812

F40-44

2812

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10955

Females

2320

F40-44

2320

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11525

Females

2700

F40-44

2700

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10502

Females

2157

F40-44

2157

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11318

Females

2674

F40-44

2674

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12576

Females

3506

F40-44

3506

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12552

Females

3609

F40-44

3609

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

13524

Females

4219

F40-44

4219

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14721

Females

4935

F40-44

4935

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14761

Females

5037

F40-44

5037

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

20551

Females

8291

F40-44

8291

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13943

Females

4706

F40-44

4706

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13573

Females

4510

F40-44

4510

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

14894

Females

5195

F40-44

5195

Passing Analysis

Category:
Athletes Passed
1009
Passed By
3232
Net Change
-2223
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10419
5K → 10K83795-712#10419#11131
10K → 15K233140+93#11131#11038
15K → 20K126221-95#11038#11133
20K → Half488+40#11133#11093
Half → 25K123125-2#11093#11095
25K → 30K111325-214#11095#11309
30K → 20M60155-95#11309#11404
20M → 21M51190-139#11404#11543
21M → 35K18166-148#11543#11691
35K → 23M44243-199#11691#11890
23M → 24M7579-572#11890#12462
24M → 40K37112-75#12462#12537
40K → 25.2M2331-8#12537#12545
25.2M → Finish45142-97#12545#12642
TOTALS10093232-2223
📊

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