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BOSTON MARATHON 2023

William Harris

Bib: 1965•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 13%
Division (M18-39)
#0 / 5285
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:41
Rank: #717
Start → 5K
18:41 | 6:01/mi
10K· 6.21 mi
37:39
Rank: #865 (-148)
5K → 10K
18:58 | 6:06/mi
15K· 9.32 mi
56:33
Rank: #866 (-1)
10K → 15K
18:54 | 6:05/mi
20K· 12.43 mi
1:15:56
Rank: #939 (-73)
15K → 20K
19:23 | 6:14/mi
Half· 13.11 mi
1:20:06
Rank: #945 (-6)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:35:43
Rank: #1024 (-79)
Half → 25K
15:37 | 6:26/mi
30K· 18.64 mi
1:56:26
Rank: #1160 (-136)
25K → 30K
20:43 | 6:40/mi
20M
2:05:53
Rank: #1270 (-110)
30K → 20M
9:27 | 6:57/mi
21M
2:13:09
Rank: #1346 (-76)
20M → 21M
7:16 | 7:16/mi
35K· 21.75 mi
2:18:20
Rank: #1425 (-79)
21M → 35K
5:11 | 6:56/mi
23M
2:27:37
Rank: #1595 (-170)
35K → 23M
9:17 | 7:25/mi
24M
2:34:59
Rank: #1741 (-146)
23M → 24M
7:22 | 7:22/mi
40K· 24.85 mi
2:41:18
Rank: #1853 (-112)
24M → 40K
6:19 | 7:23/mi
25.2M
2:44:01
Rank: #1889 (-36)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
2:51:38
Rank: #2046 (-157)
25.2M → Finish
7:37 | 7:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:06
Pace6:07 /mi
2nd Half
Distance13.11 mi
Time1:31:32
Pace6:59 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0518:416:0118:41
6:01
-
10K
6.21 mi10:38:0337:396:0418:58
6:06
+0:05
15K
9.32 mi10:56:5756:336:0418:54
6:05
-0:01
20K
12.43 mi11:16:201:15:566:0719:23
6:14
+0:09
Half
13.11 mi11:20:301:20:066:074:10
6:06
-0:08
25K
15.53 mi11:36:071:35:436:1015:37
6:26
+0:20
30K
18.64 mi11:56:501:56:266:1520:43
6:40
+0:14
20M
20.00 mi12:06:172:05:536:189:27
6:57
+0:17
21M
21.00 mi12:13:332:13:096:207:16
7:16
+0:19
35K
21.75 mi12:18:442:18:206:225:11
6:56
-0:20
23M
23.00 mi12:28:012:27:376:259:17
7:25
+0:29
24M
24.00 mi12:35:232:34:596:277:22
7:22
-0:03
40K
24.85 mi12:41:422:41:186:296:19
7:23
+0:01
25.2M
25.20 mi12:44:252:44:016:312:43
7:53
+0:30
Finish
26.22 mi12:52:022:51:386:337:37
7:28
-0:25

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

6:01 /mi

Average Pace

6:33 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:43

56% of race

Time at Steady Pace

35:21

21% of race

Time at Slower Pace

40:34

24% of race

Average Pace: 6:33 /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 mi10:19:0518:416:0118:41
6:01
#717
10K
6.21 mi10:38:0337:396:0418:58
6:06
#865
15K
9.32 mi10:56:5756:336:0418:54
6:05
#866
20K
12.43 mi11:16:201:15:566:0719:23
6:14
#939
Half
13.11 mi11:20:301:20:066:074:10
6:06
#945
25K
15.53 mi11:36:071:35:436:1015:37
6:26
#1024
30K
18.64 mi11:56:501:56:266:1520:43
6:40
#1160
20M
20.00 mi12:06:172:05:536:189:27
6:57
#1270
21M
21.00 mi12:13:332:13:096:207:16
7:16
#1346
35K
21.75 mi12:18:442:18:206:225:11
6:56
#1425
23M
23.00 mi12:28:012:27:376:259:17
7:25
#1595
24M
24.00 mi12:35:232:34:596:277:22
7:22
#1741
40K
24.85 mi12:41:422:41:186:296:19
7:23
#1853
25.2M
25.20 mi12:44:252:44:016:312:43
7:53
#1889
Finish
26.22 mi12:52:022:51:386:337:37
7:28
#2046
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi717672672927(Top 3%)879(Top 6%)879(Top 17%)
10K6.21 mi3.10 mi865-148815-143815-1431073(Top 4%)1018(Top 7%)1018(Top 19%)
15K9.32 mi3.11 mi866-1817-2817-2927(Top 3%)879(Top 6%)879(Top 17%)
20K12.43 mi3.11 mi939-73890-73890-731179(Top 4%)1126(Top 7%)1126(Top 21%)
Half13.11 mi0.68 mi945-6896-6896-61072(Top 4%)1024(Top 7%)1024(Top 19%)
25K15.53 mi2.42 mi1024-79973-77973-771913(Top 7%)1833(Top 12%)1833(Top 35%)
30K18.64 mi3.11 mi1160-1361107-1341107-1342249(Top 8%)2144(Top 14%)2144(Top 41%)
20M20.00 mi1.36 mi1270-1101213-1061213-1063702(Top 14%)3446(Top 23%)3446(Top 65%)
21M21.00 mi1.00 mi1346-761285-721285-723413(Top 13%)3171(Top 21%)3171(Top 60%)
35K21.75 mi0.75 mi1425-791361-761361-764876(Top 18%)4382(Top 29%)4382(Top 83%)
23M23.00 mi1.25 mi1595-1701525-1641525-1645902(Top 22%)5109(Top 34%)5109(Top 97%)
24M24.00 mi1.00 mi1741-1461665-1401665-1406788(Top 25%)5577(Top 37%)5577(Top 106%)
40K24.85 mi0.85 mi1853-1121773-1081773-1085946(Top 22%)4970(Top 33%)4970(Top 94%)
25.2M25.20 mi0.35 mi1889-361806-331806-335684(Top 21%)4704(Top 31%)4704(Top 89%)
Finish26.22 mi1.02 mi2046-1571962-1561962-1568306(Top 31%)6322(Top 42%)6322(Top 120%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

927

Males

879

M18-39

879

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1073

Males

1018

M18-39

1018

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

927

Males

879

M18-39

879

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1179

Males

1126

M18-39

1126

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1072

Males

1024

M18-39

1024

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1913

Males

1833

M18-39

1833

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2249

Males

2144

M18-39

2144

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3702

Males

3446

M18-39

3446

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3413

Males

3171

M18-39

3171

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4876

Males

4382

M18-39

4382

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5902

Males

5109

M18-39

5109

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6788

Males

5577

M18-39

5577

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5946

Males

4970

M18-39

4970

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5684

Males

4704

M18-39

4704

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8306

Males

6322

M18-39

6322

Passing Analysis

Category:
Athletes Passed
91
Passed By
1420
Net Change
-1329
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#717
5K → 10K3151-148#717#865
10K → 15K2223-1#865#866
15K → 20K1184-73#866#939
20K → Half28-6#939#945
Half → 25K887-79#945#1024
25K → 30K11147-136#1024#1160
30K → 20M4114-110#1160#1270
20M → 21M884-76#1270#1346
21M → 35K281-79#1346#1425
35K → 23M2172-170#1425#1595
23M → 24M3149-146#1595#1741
24M → 40K6118-112#1741#1853
40K → 25.2M339-36#1853#1889
25.2M → Finish6163-157#1889#2046
TOTALS911420-1329
📊

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