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BOSTON MARATHON 2023

William Sparks

Bib: 6868•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 27%
Gender (Male)
#0 / 15176
Top 41%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:34
Rank: #5879
Start → 5K
21:34 | 6:56/mi
10K· 6.21 mi
42:54
Rank: #5853 (+26)
5K → 10K
21:20 | 6:52/mi
15K· 9.32 mi
1:05:27
Rank: #6640 (-787)
10K → 15K
22:33 | 7:15/mi
20K· 12.43 mi
1:26:45
Rank: #6234 (+406)
15K → 20K
21:18 | 6:51/mi
Half· 13.11 mi
1:31:26
Rank: #6208 (+26)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:48:24
Rank: #6076 (+132)
Half → 25K
16:58 | 7:00/mi
30K· 18.64 mi
2:10:47
Rank: #5914 (+162)
25K → 30K
22:23 | 7:12/mi
20M
2:21:46
Rank: #6169 (-255)
30K → 20M
10:59 | 8:05/mi
21M
2:29:27
Rank: #6105 (+64)
20M → 21M
7:41 | 7:41/mi
35K· 21.75 mi
2:35:03
Rank: #6144 (-39)
21M → 35K
5:36 | 7:29/mi
23M
2:45:50
Rank: #6472 (-328)
35K → 23M
10:47 | 8:37/mi
24M
2:54:56
Rank: #6871 (-399)
23M → 24M
9:06 | 9:06/mi
40K· 24.85 mi
3:02:33
Rank: #7152 (-281)
24M → 40K
7:37 | 8:54/mi
25.2M
3:05:27
Rank: #7163 (-11)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:13:18
Rank: #7237 (-74)
25.2M → Finish
7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:26
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:41:52
Pace7:46 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2421:346:5621:34
6:56
-
10K
6.21 mi10:46:4442:546:5421:20
6:52
-0:04
15K
9.32 mi11:09:171:05:277:0122:33
7:15
+0:23
20K
12.43 mi11:30:351:26:456:5921:18
6:51
-0:24
Half
13.11 mi11:35:161:31:266:584:41
6:52
+0:01
25K
15.53 mi11:52:141:48:246:5916:58
7:00
+0:08
30K
18.64 mi12:14:372:10:477:0122:23
7:12
+0:12
20M
20.00 mi12:25:362:21:467:0510:59
8:05
+0:53
21M
21.00 mi12:33:172:29:277:077:41
7:41
-0:24
35K
21.75 mi12:38:532:35:037:085:36
7:29
-0:12
23M
23.00 mi12:49:402:45:507:1310:47
8:37
+1:08
24M
24.00 mi12:58:462:54:567:179:06
9:06
+0:29
40K
24.85 mi13:06:233:02:337:217:37
8:54
-0:12
25.2M
25.20 mi13:09:173:05:277:222:54
8:25
-0:29
Finish
26.22 mi13:17:083:13:187:237:51
7:42
-0:43

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

6:51 /mi

Average Pace

7:23 /mi

Slowest Pace

9:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:51

44% of race

Time at Steady Pace

1:06:04

34% of race

Time at Slower Pace

41:23

21% of race

Average Pace: 7:22 /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 mi10:25:2421:346:5621:34
6:56
#5879
10K
6.21 mi10:46:4442:546:5421:20
6:52
#5853
15K
9.32 mi11:09:171:05:277:0122:33
7:15
#6640
20K
12.43 mi11:30:351:26:456:5921:18
6:51
#6234
Half
13.11 mi11:35:161:31:266:584:41
6:52
#6208
25K
15.53 mi11:52:141:48:246:5916:58
7:00
#6076
30K
18.64 mi12:14:372:10:477:0122:23
7:12
#5914
20M
20.00 mi12:25:362:21:467:0510:59
8:05
#6169
21M
21.00 mi12:33:172:29:277:077:41
7:41
#6105
35K
21.75 mi12:38:532:35:037:085:36
7:29
#6144
23M
23.00 mi12:49:402:45:507:1310:47
8:37
#6472
24M
24.00 mi12:58:462:54:567:179:06
9:06
#6871
40K
24.85 mi13:06:233:02:337:217:37
8:54
#7152
25.2M
25.20 mi13:09:173:05:277:222:54
8:25
#7163
Finish
26.22 mi13:17:083:13:187:237:51
7:42
#7237
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5879539153918218(Top 31%)7055(Top 46%)7055(Top 133%)
10K6.21 mi3.10 mi5853+265367+245367+245889(Top 22%)5375(Top 35%)5375(Top 102%)
15K9.32 mi3.11 mi6640-7875984-6175984-6178218(Top 31%)7055(Top 46%)7055(Top 133%)
20K12.43 mi3.11 mi6234+4065657+3275657+3274977(Top 19%)4619(Top 30%)4619(Top 87%)
Half13.11 mi0.68 mi6208+265642+155642+155805(Top 22%)5337(Top 35%)5337(Top 101%)
25K15.53 mi2.42 mi6076+1325539+1035539+1035569(Top 21%)5124(Top 34%)5124(Top 97%)
30K18.64 mi3.11 mi5914+1625399+1405399+1405537(Top 21%)5024(Top 33%)5024(Top 95%)
20M20.00 mi1.36 mi6169-2555576-1775576-17710846(Top 41%)8162(Top 54%)8162(Top 154%)
21M21.00 mi1.00 mi6105+645519+575519+575536(Top 21%)4862(Top 32%)4862(Top 92%)
35K21.75 mi0.75 mi6144-395544-255544-258391(Top 32%)6722(Top 44%)6722(Top 127%)
23M23.00 mi1.25 mi6472-3285777-2335777-23313830(Top 52%)9282(Top 61%)9282(Top 176%)
24M24.00 mi1.00 mi6871-3996044-2676044-26717640(Top 66%)10898(Top 72%)10898(Top 206%)
40K24.85 mi0.85 mi7152-2816224-1806224-18015619(Top 59%)9945(Top 66%)9945(Top 188%)
25.2M25.20 mi0.35 mi7163-116222+26222+28879(Top 33%)6652(Top 44%)6652(Top 126%)
Finish26.22 mi1.02 mi7237-746234-126234-129968(Top 37%)7262(Top 48%)7262(Top 137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8218

Males

7055

M18-39

7055

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5889

Males

5375

M18-39

5375

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8218

Males

7055

M18-39

7055

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

4977

Males

4619

M18-39

4619

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5805

Males

5337

M18-39

5337

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5569

Males

5124

M18-39

5124

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5537

Males

5024

M18-39

5024

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10846

Males

8162

M18-39

8162

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5536

Males

4862

M18-39

4862

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8391

Males

6722

M18-39

6722

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13830

Males

9282

M18-39

9282

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

17640

Males

10898

M18-39

10898

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15619

Males

9945

M18-39

9945

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8879

Males

6652

M18-39

6652

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9968

Males

7262

M18-39

7262

Passing Analysis

Category:
Athletes Passed
1256
Passed By
2614
Net Change
-1358
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5879
5K → 10K213187+26#5879#5853
10K → 15K8795-787#5853#6640
15K → 20K4104+406#6640#6234
20K → Half3610+26#6234#6208
Half → 25K15523+132#6208#6076
25K → 30K21048+162#6076#5914
30K → 20M19274-255#5914#6169
20M → 21M8016+64#6169#6105
21M → 35K2160-39#6105#6144
35K → 23M21349-328#6144#6472
23M → 24M5404-399#6472#6871
24M → 40K10291-281#6871#7152
40K → 25.2M2233-11#7152#7163
25.2M → Finish46120-74#7163#7237
TOTALS12562614-1358
📊

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