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BOSTON MARATHON 2023

William Best

Bib: 1681•M

TN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 22%
Division (M18-39)
#0 / 5285
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:31
Rank: #1385
Start → 5K
6:17/mi
19:31 split
10K· 6.21 mi
38:46
Rank: #1340 (+45)
5K → 10K
6:12/mi
19:15 split
15K· 9.32 mi
57:59
Rank: #1263 (+77)
10K → 15K
6:11/mi
19:13 split
20K· 12.43 mi
1:17:28
Rank: #1252 (+11)
15K → 20K
6:16/mi
19:29 split
Half· 13.11 mi
1:21:42
Rank: #1256 (-4)
20K → Half
6:12/mi
4:14 split
25K· 15.53 mi
1:37:12
Rank: #1306 (-50)
Half → 25K
6:24/mi
15:30 split
30K· 18.64 mi
1:58:11
Rank: #1501 (-195)
25K → 30K
6:45/mi
20:59 split
20M
2:08:37
Rank: #1808 (-307)
30K → 20M
7:41/mi
10:26 split
21M
2:17:15
Rank: #2184 (-376)
20M → 21M
8:38/mi
8:38 split
35K· 21.75 mi
2:22:43
Rank: #2303 (-119)
21M → 35K
7:18/mi
5:28 split
23M
2:32:50
Rank: #2618 (-315)
35K → 23M
8:05/mi
10:07 split
24M
2:40:14
Rank: #2825 (-207)
23M → 24M
7:24/mi
7:24 split
40K· 24.85 mi
2:47:18
Rank: #3129 (-304)
24M → 40K
8:16/mi
7:04 split
25.2M
2:50:25
Rank: #3292 (-163)
40K → 25.2M
9:02/mi
3:07 split
Finish· 26.22 mi
2:58:19
Rank: #3593 (-301)
25.2M → Finish
7:45/mi
7:54 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:42
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time1:36:37
Pace7:22 /mi
📊Positive Split: 18.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5719:316:1719:31
6:17
-
10K
6.21 mi10:39:1238:466:1419:15
6:12
-0:05
15K
9.32 mi10:58:2557:596:1319:13
6:11
-0:01
20K
12.43 mi11:17:541:17:286:1419:29
6:16
+0:05
Half
13.11 mi11:22:081:21:426:144:14
6:12
-0:04
25K
15.53 mi11:37:381:37:126:1515:30
6:24
+0:12
30K
18.64 mi11:58:371:58:116:2020:59
6:45
+0:21
20M
20.00 mi12:09:032:08:376:2610:26
7:41
+0:56
21M
21.00 mi12:17:412:17:156:328:38
8:38
+0:57
35K
21.75 mi12:23:092:22:436:345:28
7:18
-1:20
23M
23.00 mi12:33:162:32:506:3910:07
8:05
+0:47
24M
24.00 mi12:40:402:40:146:417:24
7:24
-0:41
40K
24.85 mi12:47:442:47:186:447:04
8:16
+0:52
25.2M
25.20 mi12:50:512:50:256:463:07
9:02
+0:46
Finish
26.22 mi12:58:452:58:196:487:54
7:45
-1:17

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

6:11 /mi

Average Pace

6:48 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:11

66% of race

Time at Steady Pace

31:12

17% of race

Time at Slower Pace

28:56

16% of race

Average Pace: 6:48 /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 mi10:19:5719:316:1719:31
6:17
#1385
10K
6.21 mi10:39:1238:466:1419:15
6:12
#1340
15K
9.32 mi10:58:2557:596:1319:13
6:11
#1263
20K
12.43 mi11:17:541:17:286:1419:29
6:16
#1252
Half
13.11 mi11:22:081:21:426:144:14
6:12
#1256
25K
15.53 mi11:37:381:37:126:1515:30
6:24
#1306
30K
18.64 mi11:58:371:58:116:2020:59
6:45
#1501
20M
20.00 mi12:09:032:08:376:2610:26
7:41
#1808
21M
21.00 mi12:17:412:17:156:328:38
8:38
#2184
35K
21.75 mi12:23:092:22:436:345:28
7:18
#2303
23M
23.00 mi12:33:162:32:506:3910:07
8:05
#2618
24M
24.00 mi12:40:402:40:146:417:24
7:24
#2825
40K
24.85 mi12:47:442:47:186:447:04
8:16
#3129
25.2M
25.20 mi12:50:512:50:256:463:07
9:02
#3292
Finish
26.22 mi12:58:452:58:196:487:54
7:45
#3593
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1385131713171200(Top 5%)1144(Top 8%)1144(Top 22%)
10K6.21 mi3.10 mi1340+451274+431274+431353(Top 5%)1290(Top 9%)1290(Top 24%)
15K9.32 mi3.11 mi1263+771200+741200+741200(Top 5%)1144(Top 8%)1144(Top 22%)
20K12.43 mi3.11 mi1252+111192+81192+81292(Top 5%)1235(Top 8%)1235(Top 23%)
Half13.11 mi0.68 mi1256-41197-51197-51430(Top 5%)1370(Top 9%)1370(Top 26%)
25K15.53 mi2.42 mi1306-501246-491246-491700(Top 6%)1628(Top 11%)1628(Top 31%)
30K18.64 mi3.11 mi1501-1951434-1881434-1882716(Top 10%)2580(Top 17%)2580(Top 49%)
20M20.00 mi1.36 mi1808-3071728-2941728-2947989(Top 30%)6579(Top 43%)6579(Top 124%)
21M21.00 mi1.00 mi2184-3762093-3652093-36511217(Top 42%)8207(Top 54%)8207(Top 155%)
35K21.75 mi0.75 mi2303-1192206-1132206-1137106(Top 27%)5946(Top 39%)5946(Top 113%)
23M23.00 mi1.25 mi2618-3152503-2972503-29710283(Top 39%)7621(Top 50%)7621(Top 144%)
24M24.00 mi1.00 mi2825-2072687-1842687-1847008(Top 26%)5704(Top 38%)5704(Top 108%)
40K24.85 mi0.85 mi3129-3042965-2782965-27811736(Top 44%)8177(Top 54%)8177(Top 155%)
25.2M25.20 mi0.35 mi3292-1633114-1493114-14912624(Top 47%)8537(Top 56%)8537(Top 162%)
Finish26.22 mi1.02 mi3593-3013381-2673381-26710268(Top 39%)7413(Top 49%)7413(Top 140%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1200

Males

1144

M18-39

1144

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1353

Males

1290

M18-39

1290

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1200

Males

1144

M18-39

1144

15K→20K

9.3 - 12.4 mi

Top 5%
×5story building
+106ft-86ft

Overall

1292

Males

1235

M18-39

1235

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1430

Males

1370

M18-39

1370

Half→25K

13.1 - 15.5 mi

Top 6%
×4story building
+66ft-88ft

Overall

1700

Males

1628

M18-39

1628

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2716

Males

2580

M18-39

2580

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

7989

Males

6579

M18-39

6579

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11217

Males

8207

M18-39

8207

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7106

Males

5946

M18-39

5946

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10283

Males

7621

M18-39

7621

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7008

Males

5704

M18-39

5704

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11736

Males

8177

M18-39

8177

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12624

Males

8537

M18-39

8537

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10268

Males

7413

M18-39

7413

Passing Analysis

Category:
Athletes Passed
297
Passed By
2505
Net Change
-2208
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1385
5K → 10K9146+45#1385#1340
10K → 15K9619+77#1340#1263
15K → 20K4433+11#1263#1252
20K → Half59-4#1252#1256
Half → 25K1464-50#1256#1306
25K → 30K17212-195#1306#1501
30K → 20M0307-307#1501#1808
20M → 21M1377-376#1808#2184
21M → 35K3122-119#2184#2303
35K → 23M4319-315#2303#2618
23M → 24M9216-207#2618#2825
24M → 40K7311-304#2825#3129
40K → 25.2M0163-163#3129#3292
25.2M → Finish6307-301#3292#3593
TOTALS2972505-2208
📊

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