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BOSTON MARATHON 2023

Grace Sciera

Bib: 16231•F

NY

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
7:28/mi
23:12
↑ 97↓ 3451.5%
10K· 6.21 mi
7:42/mi
47:06
↑ 79↓ 1380.4%
15K· 9.32 mi
7:58/mi
1:11:50
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:36:46
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:42:13
↑ 19↓ 370.5%
25K· 15.53 mi
10:05/mi
2:06:39
↑ 66↓ 880.2%
30K· 18.64 mi
8:54/mi
2:34:19
↑ 181↓ 1480.2%
20M
8:56/mi
2:46:28
↑ 64↓ 500.2%
21M
9:40/mi
2:56:08
↑ 106↓ 241.6%
35K· 21.75 mi
12:51/mi
3:05:45
↑ 17↓ 861.7%
23M
9:35/mi
3:17:45
↑ 23↓ 630.6%
24M
8:37/mi
3:26:22
↓ 821.3%
40K· 24.85 mi
9:16/mi
3:34:17
↓ 200.3%
25.2M
10:58/mi
3:38:04
↑ 13↓ 160.2%
Finish· 26.22 mi
8:33/mi
3:46:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:13
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time2:04:34
Pace9:30 /mi
📊Positive Split: 21.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:1623:127:2823:12
7:28
-
10K
6.21 mi11:37:1047:067:3523:54
7:42
+0:14
15K
9.32 mi12:01:541:11:507:4224:44
7:58
+0:16
20K
12.43 mi12:26:501:36:467:4724:56
8:02
+0:04
Half
13.11 mi12:32:171:42:137:485:27
7:59
-0:03
25K
15.53 mi12:56:432:06:398:0924:26
10:05
+2:06
30K
18.64 mi13:24:232:34:198:1727:40
8:54
-1:11
20M
20.00 mi13:36:322:46:288:1912:09
8:56
+0:02
21M
21.00 mi13:46:122:56:088:239:40
9:40
+0:44
35K
21.75 mi13:55:493:05:458:329:37
12:51
+3:11
23M
23.00 mi14:07:493:17:458:3612:00
9:35
-3:16
24M
24.00 mi14:16:263:26:228:368:37
8:37
-0:58
40K
24.85 mi14:24:213:34:178:377:55
9:16
+0:39
25.2M
25.20 mi14:28:083:38:048:393:47
10:58
+1:42
Finish
26.22 mi14:36:513:46:478:398:43
8:33
-2:25

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

7:28 /mi

Average Pace

8:39 /mi

Slowest Pace

12:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:13

45% of race

Time at Steady Pace

1:05:04

29% of race

Time at Slower Pace

59:30

26% of race

Average Pace: 8:39 /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 mi11:13:1623:127:2823:12
7:28
#9377
10K
6.21 mi11:37:1047:067:3523:54
7:42
#10757
15K
9.32 mi12:01:541:11:507:4224:44
7:58
#11855
20K
12.43 mi12:26:501:36:467:4724:56
8:02
#12289
Half
13.11 mi12:32:171:42:137:485:27
7:59
#12387
25K
15.53 mi12:56:432:06:398:0924:26
10:05
#15016
30K
18.64 mi13:24:232:34:198:1727:40
8:54
#15325
20M
20.00 mi13:36:322:46:288:1912:09
8:56
#15398
21M
21.00 mi13:46:122:56:088:239:40
9:40
#15441
35K
21.75 mi13:55:493:05:458:329:37
12:51
#16396
23M
23.00 mi14:07:493:17:458:3612:00
9:35
#16578
24M
24.00 mi14:16:263:26:228:368:37
8:37
#16507
40K
24.85 mi14:24:213:34:178:377:55
9:16
#16524
25.2M
25.20 mi14:28:083:38:048:393:47
10:58
#16622
Finish
26.22 mi14:36:513:46:478:398:43
8:33
#16567
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi93771572157214089(Top 53%)4139(Top 36%)4139(Top 85%)
10K6.21 mi3.10 mi10757-13802208-6362208-63612195(Top 46%)2988(Top 26%)2988(Top 61%)
15K9.32 mi3.11 mi11855-10982812-6042812-60414089(Top 53%)4139(Top 36%)4139(Top 85%)
20K12.43 mi3.11 mi12289-4343088-2763088-27613677(Top 51%)3927(Top 34%)3927(Top 80%)
Half13.11 mi0.68 mi12387-983145-573145-5714391(Top 54%)4335(Top 38%)4335(Top 89%)
25K15.53 mi2.42 mi15016-26294722-15774722-157722391(Top 84%)9053(Top 79%)9053(Top 185%)
30K18.64 mi3.11 mi15325-3094962-2404962-24016683(Top 63%)5879(Top 51%)5879(Top 120%)
20M20.00 mi1.36 mi15398-735030-685030-6816237(Top 61%)5708(Top 50%)5708(Top 117%)
21M21.00 mi1.00 mi15441-435084-545084-5416725(Top 63%)6028(Top 53%)6028(Top 123%)
35K21.75 mi0.75 mi16396-9555655-5715655-57125453(Top 96%)10888(Top 95%)10888(Top 223%)
23M23.00 mi1.25 mi16578-1825777-1225777-12218671(Top 70%)7219(Top 63%)7219(Top 148%)
24M24.00 mi1.00 mi16507+715752+255752+2515196(Top 57%)5347(Top 47%)5347(Top 109%)
40K24.85 mi0.85 mi16524-175783-315783-3117353(Top 65%)6596(Top 58%)6596(Top 135%)
25.2M25.20 mi0.35 mi16622-985844-615844-6120396(Top 77%)8253(Top 72%)8253(Top 169%)
Finish26.22 mi1.02 mi16567+555819+255819+2515759(Top 59%)5679(Top 50%)5679(Top 116%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14089

Females

4139

F18-39

4139

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

12195

Females

2988

F18-39

2988

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14089

Females

4139

F18-39

4139

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

13677

Females

3927

F18-39

3927

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14391

Females

4335

F18-39

4335

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22391

Females

9053

F18-39

9053

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

16683

Females

5879

F18-39

5879

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16237

Females

5708

F18-39

5708

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16725

Females

6028

F18-39

6028

21M→35K

21.0 - 21.8 mi

Top 96%
×7story building
+17ft-86ft

Overall

25453

Females

10888

F18-39

10888

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

18671

Females

7219

F18-39

7219

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15196

Females

5347

F18-39

5347

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17353

Females

6596

F18-39

6596

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20396

Females

8253

F18-39

8253

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15759

Females

5679

F18-39

5679

Passing Analysis

Category:
Athletes Passed
638
Passed By
7826
Net Change
-7190
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9377
5K → 10K311409-1380#9377#10757
10K → 15K171115-1098#10757#11855
15K → 20K61495-434#11855#12289
20K → Half10108-98#12289#12387
Half → 25K32632-2629#12387#15016
25K → 30K90399-309#15016#15325
30K → 20M64137-73#15325#15398
20M → 21M69112-43#15398#15441
21M → 35K2957-955#15441#16396
35K → 23M38220-182#16396#16578
23M → 24M10130+71#16578#16507
24M → 40K5774-17#16507#16524
40K → 25.2M12110-98#16524#16622
25.2M → Finish8328+55#16622#16567
TOTALS6387826-7190
📊

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