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BOSTON MARATHON 2023

Jerry Williamson

Bib: 4733•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 22%
Masters (Masters Men)
#0 / 9891
Top 10%
Division (M45-49)
#0 / 2252
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:29
Rank: #5660
Start → 5K
21:29 | 6:55/mi
10K· 6.21 mi
42:24
Rank: #5144 (+516)
5K → 10K
20:55 | 6:44/mi
15K· 9.32 mi
1:03:38
Rank: #5233 (-89)
10K → 15K
21:14 | 6:50/mi
20K· 12.43 mi
1:24:54
Rank: #5144 (+89)
15K → 20K
21:16 | 6:51/mi
Half· 13.11 mi
1:29:28
Rank: #5098 (+46)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:46:09
Rank: #5023 (+75)
Half → 25K
16:41 | 6:53/mi
30K· 18.64 mi
2:07:34
Rank: #4693 (+330)
25K → 30K
21:25 | 6:54/mi
20M
2:16:49
Rank: #4511 (+182)
30K → 20M
9:15 | 6:48/mi
21M
2:23:53
Rank: #4328 (+183)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:28:44
Rank: #4206 (+122)
21M → 35K
4:51 | 6:29/mi
23M
2:37:05
Rank: #4017 (+189)
35K → 23M
8:21 | 6:40/mi
24M
2:43:34
Rank: #3863 (+154)
23M → 24M
6:29 | 6:29/mi
40K· 24.85 mi
2:49:19
Rank: #3759 (+104)
24M → 40K
5:45 | 6:44/mi
25.2M
2:51:46
Rank: #3726 (+33)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:58:24
Rank: #3616 (+110)
25.2M → Finish
6:38 | 6:31/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:28
Pace6:49 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:56
Pace6:47 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2421:296:5521:29
6:55
-
10K
6.21 mi10:44:1942:246:4920:55
6:44
-0:11
15K
9.32 mi11:05:331:03:386:5021:14
6:50
+0:06
20K
12.43 mi11:26:491:24:546:5021:16
6:51
+0:01
Half
13.11 mi11:31:231:29:286:494:34
6:42
-0:09
25K
15.53 mi11:48:041:46:096:5016:41
6:53
+0:11
30K
18.64 mi12:09:292:07:346:5121:25
6:54
+0:01
20M
20.00 mi12:18:442:16:496:509:15
6:48
-0:06
21M
21.00 mi12:25:482:23:536:517:04
7:04
+0:16
35K
21.75 mi12:30:392:28:446:504:51
6:29
-0:35
23M
23.00 mi12:39:002:37:056:508:21
6:40
+0:11
24M
24.00 mi12:45:292:43:346:496:29
6:29
-0:11
40K
24.85 mi12:51:142:49:196:495:45
6:44
+0:15
25.2M
25.20 mi12:53:412:51:466:492:27
7:06
+0:22
Finish
26.22 mi13:00:192:58:246:496:38
6:31
-0:35

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

6:29 /mi

Average Pace

6:49 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:48

37% of race

Time at Steady Pace

1:51:36

63% of race

Time at Slower Pace

0:00

0% 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 mi10:23:2421:296:5521:29
6:55
#5660
10K
6.21 mi10:44:1942:246:4920:55
6:44
#5144
15K
9.32 mi11:05:331:03:386:5021:14
6:50
#5233
20K
12.43 mi11:26:491:24:546:5021:16
6:51
#5144
Half
13.11 mi11:31:231:29:286:494:34
6:42
#5098
25K
15.53 mi11:48:041:46:096:5016:41
6:53
#5023
30K
18.64 mi12:09:292:07:346:5121:25
6:54
#4693
20M
20.00 mi12:18:442:16:496:509:15
6:48
#4511
21M
21.00 mi12:25:482:23:536:517:04
7:04
#4328
35K
21.75 mi12:30:392:28:446:504:51
6:29
#4206
23M
23.00 mi12:39:002:37:056:508:21
6:40
#4017
24M
24.00 mi12:45:292:43:346:496:29
6:29
#3863
40K
24.85 mi12:51:142:49:196:495:45
6:44
#3759
25.2M
25.20 mi12:53:412:51:466:492:27
7:06
#3726
Finish
26.22 mi13:00:192:58:246:496:38
6:31
#3616
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5660520452045409(Top 20%)4986(Top 33%)4986(Top 221%)
10K6.21 mi3.10 mi5144+5164764+4404764+4404639(Top 17%)4323(Top 28%)4323(Top 192%)
15K9.32 mi3.11 mi5233-894847-834847-835409(Top 20%)4986(Top 33%)4986(Top 221%)
20K12.43 mi3.11 mi5144+894768+794768+794843(Top 18%)4495(Top 30%)4495(Top 200%)
Half13.11 mi0.68 mi5098+464729+394729+394220(Top 16%)3944(Top 26%)3944(Top 175%)
25K15.53 mi2.42 mi5023+754662+674662+674796(Top 18%)4442(Top 29%)4442(Top 197%)
30K18.64 mi3.11 mi4693+3304375+2874375+2873617(Top 14%)3397(Top 22%)3397(Top 151%)
20M20.00 mi1.36 mi4511+1824205+1704205+1702878(Top 11%)2713(Top 18%)2713(Top 120%)
21M21.00 mi1.00 mi4328+1834044+1614044+1612487(Top 9%)2350(Top 15%)2350(Top 104%)
35K21.75 mi0.75 mi4206+1223936+1083936+1082358(Top 9%)2238(Top 15%)2238(Top 99%)
23M23.00 mi1.25 mi4017+1893766+1703766+1702073(Top 8%)1963(Top 13%)1963(Top 87%)
24M24.00 mi1.00 mi3863+1543628+1383628+1382050(Top 8%)1925(Top 13%)1925(Top 85%)
40K24.85 mi0.85 mi3759+1043533+953533+952477(Top 9%)2297(Top 15%)2297(Top 102%)
25.2M25.20 mi0.35 mi3726+333501+323501+322161(Top 8%)2017(Top 13%)2017(Top 90%)
Finish26.22 mi1.02 mi3616+1103402+993402+992537(Top 10%)2331(Top 15%)2331(Top 104%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5409

Males

4986

M45-49

4986

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4639

Males

4323

M45-49

4323

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5409

Males

4986

M45-49

4986

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4843

Males

4495

M45-49

4495

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4220

Males

3944

M45-49

3944

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4796

Males

4442

M45-49

4442

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3617

Males

3397

M45-49

3397

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2878

Males

2713

M45-49

2713

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2487

Males

2350

M45-49

2350

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2358

Males

2238

M45-49

2238

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2073

Males

1963

M45-49

1963

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2050

Males

1925

M45-49

1925

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2477

Males

2297

M45-49

2297

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2161

Males

2017

M45-49

2017

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2537

Males

2331

M45-49

2331

Passing Analysis

Category:
Athletes Passed
2444
Passed By
400
Net Change
+2044
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5660
5K → 10K55640+516#5660#5144
10K → 15K78167-89#5144#5233
15K → 20K16071+89#5233#5144
20K → Half548+46#5144#5098
Half → 25K13762+75#5098#5023
25K → 30K34616+330#5023#4693
30K → 20M1853+182#4693#4511
20M → 21M1841+183#4511#4328
21M → 35K1231+122#4328#4206
35K → 23M1912+189#4206#4017
23M → 24M1584+154#4017#3863
24M → 40K11410+104#3863#3759
40K → 25.2M341+33#3759#3726
25.2M → Finish12414+110#3726#3616
TOTALS2444400+2044
📊

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