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BOSTON MARATHON 2023

Andrew Williams

Bib: 13533•M

SC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 33%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 36%
Division (M45-49)
#0 / 2252
Top 50%
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
7:36/mi
23:36
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
46:35
↑ 79↓ 1380.4%
15K· 9.32 mi
7:25/mi
1:09:38
↑ 67↓ 78
20K· 12.43 mi
7:29/mi
1:32:52
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:37:52
↑ 19↓ 370.5%
25K· 15.53 mi
7:39/mi
1:56:24
↑ 66↓ 880.2%
30K· 18.64 mi
7:44/mi
2:20:26
↑ 181↓ 1480.2%
20M
7:44/mi
2:30:56
↑ 64↓ 500.2%
21M
8:15/mi
2:39:11
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:44:46
↑ 17↓ 861.7%
23M
7:34/mi
2:54:15
↑ 23↓ 630.6%
24M
7:34/mi
3:01:49
↓ 821.3%
40K· 24.85 mi
7:31/mi
3:08:15
↓ 200.3%
25.2M
8:39/mi
3:11:14
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:18:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:52
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:40:56
Pace7:42 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1523:367:3623:36
7:36
-
10K
6.21 mi11:15:1446:357:3022:59
7:24
-0:12
15K
9.32 mi11:38:171:09:387:2823:03
7:25
+0:01
20K
12.43 mi12:01:311:32:527:2823:14
7:29
+0:04
Half
13.11 mi12:06:311:37:527:285:00
7:20
-0:09
25K
15.53 mi12:25:031:56:247:3018:32
7:39
+0:19
30K
18.64 mi12:49:052:20:267:3224:02
7:44
+0:05
20M
20.00 mi12:59:352:30:567:3310:30
7:44
0:00
21M
21.00 mi13:07:502:39:117:358:15
8:15
+0:31
35K
21.75 mi13:13:252:44:467:355:35
7:28
-0:47
23M
23.00 mi13:22:542:54:157:359:29
7:34
+0:06
24M
24.00 mi13:30:283:01:497:357:34
7:34
0:00
40K
24.85 mi13:36:543:08:157:346:26
7:31
-0:03
25.2M
25.20 mi13:39:533:11:147:352:59
8:39
+1:08
Finish
26.22 mi13:47:273:18:487:357:34
7:26
-1:13

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

7:20 /mi

Average Pace

7:35 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:34

94% of race

Time at Steady Pace

11:14

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:35 /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 mi10:52:1523:367:3623:36
7:36
#10475
10K
6.21 mi11:15:1446:357:3022:59
7:24
#9986
15K
9.32 mi11:38:171:09:387:2823:03
7:25
#9782
20K
12.43 mi12:01:311:32:527:2823:14
7:29
#9585
Half
13.11 mi12:06:311:37:527:285:00
7:20
#9545
25K
15.53 mi12:25:031:56:247:3018:32
7:39
#9582
30K
18.64 mi12:49:052:20:267:3224:02
7:44
#9430
20M
20.00 mi12:59:352:30:567:3310:30
7:44
#9327
21M
21.00 mi13:07:502:39:117:358:15
8:15
#9267
35K
21.75 mi13:13:252:44:467:355:35
7:28
#9206
23M
23.00 mi13:22:542:54:157:359:29
7:34
#9045
24M
24.00 mi13:30:283:01:497:357:34
7:34
#8987
40K
24.85 mi13:36:543:08:157:346:26
7:31
#8883
25.2M
25.20 mi13:39:533:11:147:352:59
8:39
#8884
Finish
26.22 mi13:47:273:18:487:357:34
7:26
#8824
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10475838783879494(Top 36%)7863(Top 52%)7863(Top 349%)
10K6.21 mi3.10 mi9986+4898137+2508137+2509587(Top 36%)7915(Top 52%)7915(Top 351%)
15K9.32 mi3.11 mi9782+2048027+1108027+1109494(Top 36%)7863(Top 52%)7863(Top 349%)
20K12.43 mi3.11 mi9585+1977909+1187909+1189137(Top 34%)7580(Top 50%)7580(Top 337%)
Half13.11 mi0.68 mi9545+407889+207889+208793(Top 33%)7384(Top 49%)7384(Top 328%)
25K15.53 mi2.42 mi9582-37788978899853(Top 37%)7895(Top 52%)7895(Top 351%)
30K18.64 mi3.11 mi9430+1527756+1337756+1338893(Top 33%)7218(Top 48%)7218(Top 321%)
20M20.00 mi1.36 mi9327+1037670+867670+868360(Top 31%)6813(Top 45%)6813(Top 303%)
21M21.00 mi1.00 mi9267+607611+597611+598885(Top 33%)6999(Top 46%)6999(Top 311%)
35K21.75 mi0.75 mi9206+617562+497562+498247(Top 31%)6648(Top 44%)6648(Top 295%)
23M23.00 mi1.25 mi9045+1617446+1167446+1166913(Top 26%)5778(Top 38%)5778(Top 257%)
24M24.00 mi1.00 mi8987+587385+617385+618145(Top 31%)6401(Top 42%)6401(Top 284%)
40K24.85 mi0.85 mi8883+1047298+877298+876855(Top 26%)5553(Top 37%)5553(Top 247%)
25.2M25.20 mi0.35 mi8884-17293+57293+510375(Top 39%)7473(Top 49%)7473(Top 332%)
Finish26.22 mi1.02 mi8824+607242+517242+517943(Top 30%)6135(Top 40%)6135(Top 272%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

9494

Males

7863

M45-49

7863

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9587

Males

7915

M45-49

7915

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

9494

Males

7863

M45-49

7863

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9137

Males

7580

M45-49

7580

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8793

Males

7384

M45-49

7384

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9853

Males

7895

M45-49

7895

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

8893

Males

7218

M45-49

7218

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8360

Males

6813

M45-49

6813

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8885

Males

6999

M45-49

6999

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8247

Males

6648

M45-49

6648

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

6913

Males

5778

M45-49

5778

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8145

Males

6401

M45-49

6401

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6855

Males

5553

M45-49

5553

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10375

Males

7473

M45-49

7473

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7943

Males

6135

M45-49

6135

Passing Analysis

Category:
Athletes Passed
2379*
Passed By
728
Net Change
+1651
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10475
5K → 10K605*116+489#10475#9986
10K → 15K29692+204#9986#9782
15K → 20K256*59+197#9782#9585
20K → Half5010+40#9585#9545
Half → 25K109146-37#9545#9582
25K → 30K245*93+152#9582#9430
30K → 20M13128+103#9430#9327
20M → 21M11656+60#9327#9267
21M → 35K7312+61#9267#9206
35K → 23M17514+161#9206#9045
23M → 24M9436+58#9045#8987
24M → 40K1139+104#8987#8883
40K → 25.2M2627-1#8883#8884
25.2M → Finish9030+60#8884#8824
TOTALS2379*728+1651

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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