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BOSTON MARATHON 2023

Stephanie Sparkes

Bib: 11508•F

AZ

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

Start
0:00:00
Race begins
5K· 3.11 mi
24:32
Rank: #13228
Start → 5K
24:32 | 7:54/mi
10K· 6.21 mi
49:35
Rank: #14254 (-1026)
5K → 10K
25:03 | 8:04/mi
15K· 9.32 mi
1:15:42
Rank: #15279 (-1025)
10K → 15K
26:07 | 8:24/mi
20K· 12.43 mi
1:42:53
Rank: #16119 (-840)
15K → 20K
27:11 | 8:45/mi
Half· 13.11 mi
1:48:44
Rank: #16245 (-126)
20K → Half
5:51 | 8:34/mi
25K· 15.53 mi
2:10:20
Rank: #16673 (-428)
Half → 25K
21:36 | 8:55/mi
30K· 18.64 mi
2:40:26
Rank: #17402 (-729)
25K → 30K
30:06 | 9:41/mi
20M
2:54:05
Rank: #17751 (-349)
30K → 20M
13:39 | 10:03/mi
21M
3:05:23
Rank: #18137 (-386)
20M → 21M
11:18 | 11:18/mi
35K· 21.75 mi
3:11:54
Rank: #18080 (+57)
21M → 35K
6:31 | 8:43/mi
23M
3:24:16
Rank: #18212 (-132)
35K → 23M
12:22 | 9:53/mi
24M
3:32:57
Rank: #18114 (+98)
23M → 24M
8:41 | 8:41/mi
40K· 24.85 mi
3:41:07
Rank: #18134 (-20)
24M → 40K
8:10 | 9:33/mi
25.2M
3:44:21
Rank: #18080 (+54)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:54:01
Rank: #18173 (-93)
25.2M → Finish
9:40 | 9:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:44
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time2:05:17
Pace9:33 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4924:327:5424:32
7:54
-
10K
6.21 mi11:20:5249:357:5925:03
8:04
+0:10
15K
9.32 mi11:46:591:15:428:0726:07
8:24
+0:20
20K
12.43 mi12:14:101:42:538:1727:11
8:45
+0:21
Half
13.11 mi12:20:011:48:448:185:51
8:34
-0:11
25K
15.53 mi12:41:372:10:208:2321:36
8:55
+0:21
30K
18.64 mi13:11:432:40:268:3630:06
9:41
+0:46
20M
20.00 mi13:25:222:54:058:4213:39
10:03
+0:22
21M
21.00 mi13:36:403:05:238:5011:18
11:18
+1:15
35K
21.75 mi13:43:113:11:548:496:31
8:43
-2:35
23M
23.00 mi13:55:333:24:168:5312:22
9:53
+1:10
24M
24.00 mi14:04:143:32:578:528:41
8:41
-1:12
40K
24.85 mi14:12:243:41:078:548:10
9:33
+0:52
25.2M
25.20 mi14:15:383:44:218:543:14
9:23
-0:10
Finish
26.22 mi14:25:183:54:018:569:40
9:29
+0:06

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

7:54 /mi

Average Pace

8:56 /mi

Slowest Pace

11:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:42

32% of race

Time at Steady Pace

1:09:50

30% of race

Time at Slower Pace

1:28:29

38% of race

Average Pace: 8:56 /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 mi10:55:4924:327:5424:32
7:54
#13228
10K
6.21 mi11:20:5249:357:5925:03
8:04
#14254
15K
9.32 mi11:46:591:15:428:0726:07
8:24
#15279
20K
12.43 mi12:14:101:42:538:1727:11
8:45
#16119
Half
13.11 mi12:20:011:48:448:185:51
8:34
#16245
25K
15.53 mi12:41:372:10:208:2321:36
8:55
#16673
30K
18.64 mi13:11:432:40:268:3630:06
9:41
#17402
20M
20.00 mi13:25:222:54:058:4213:39
10:03
#17751
21M
21.00 mi13:36:403:05:238:5011:18
11:18
#18137
35K
21.75 mi13:43:113:11:548:496:31
8:43
#18080
23M
23.00 mi13:55:333:24:168:5312:22
9:53
#18212
24M
24.00 mi14:04:143:32:578:528:41
8:41
#18114
40K
24.85 mi14:12:243:41:078:548:10
9:33
#18134
25.2M
25.20 mi14:15:383:44:218:543:14
9:23
#18080
Finish
26.22 mi14:25:183:54:018:569:40
9:29
#18173
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi132283572357217196(Top 65%)6046(Top 53%)6046(Top 124%)
10K6.21 mi3.10 mi14254-10264203-6314203-63115280(Top 57%)4849(Top 42%)4849(Top 99%)
15K9.32 mi3.11 mi15279-10254841-6384841-63817196(Top 65%)6046(Top 53%)6046(Top 124%)
20K12.43 mi3.11 mi16119-8405379-5385379-53818422(Top 69%)6747(Top 59%)6747(Top 138%)
Half13.11 mi0.68 mi16245-1265455-765455-7618232(Top 68%)6627(Top 58%)6627(Top 136%)
25K15.53 mi2.42 mi16673-4285747-2925747-29218505(Top 70%)6848(Top 60%)6848(Top 140%)
30K18.64 mi3.11 mi17402-7296191-4446191-44420105(Top 76%)7827(Top 69%)7827(Top 160%)
20M20.00 mi1.36 mi17751-3496429-2386429-23820604(Top 77%)8185(Top 72%)8185(Top 168%)
21M21.00 mi1.00 mi18137-3866684-2556684-25521480(Top 81%)8724(Top 76%)8724(Top 179%)
35K21.75 mi0.75 mi18080+576643+416643+4116513(Top 62%)6012(Top 53%)6012(Top 123%)
23M23.00 mi1.25 mi18212-1326732-896732-8919640(Top 74%)7755(Top 68%)7755(Top 159%)
24M24.00 mi1.00 mi18114+986697+356697+3515613(Top 59%)5603(Top 49%)5603(Top 115%)
40K24.85 mi0.85 mi18134-206716-196716-1918526(Top 70%)7230(Top 63%)7230(Top 148%)
25.2M25.20 mi0.35 mi18080+546691+256691+2514680(Top 55%)5146(Top 45%)5146(Top 105%)
Finish26.22 mi1.02 mi18173-936754-636754-6320068(Top 75%)8036(Top 70%)8036(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17196

Females

6046

F18-39

6046

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

15280

Females

4849

F18-39

4849

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17196

Females

6046

F18-39

6046

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

18422

Females

6747

F18-39

6747

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

18232

Females

6627

F18-39

6627

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

18505

Females

6848

F18-39

6848

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

20105

Females

7827

F18-39

7827

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20604

Females

8185

F18-39

8185

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

21480

Females

8724

F18-39

8724

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

16513

Females

6012

F18-39

6012

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

19640

Females

7755

F18-39

7755

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15613

Females

5603

F18-39

5603

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18526

Females

7230

F18-39

7230

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14680

Females

5146

F18-39

5146

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

20068

Females

8036

F18-39

8036

Passing Analysis

Category:
Athletes Passed
595
Passed By
5540
Net Change
-4945
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13228
5K → 10K481074-1026#13228#14254
10K → 15K131038-1025#14254#15279
15K → 20K35875-840#15279#16119
20K → Half14140-126#16119#16245
Half → 25K41469-428#16245#16673
25K → 30K49778-729#16673#17402
30K → 20M25374-349#17402#17751
20M → 21M19405-386#17751#18137
21M → 35K7922+57#18137#18080
35K → 23M41173-132#18080#18212
23M → 24M11012+98#18212#18114
24M → 40K3858-20#18114#18134
40K → 25.2M573+54#18134#18080
25.2M → Finish26119-93#18080#18173
TOTALS5955540-4945
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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