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BOSTON MARATHON 2023

Michael Gerber

Bib: 8103•M

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Masters (Masters Men)
#0 / 9891
Top 12%
Division (M40-44)
#0 / 2241
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:02
Rank: #4357
Start → 5K
21:02 | 6:46/mi
10K· 6.21 mi
42:15
Rank: #4950 (-593)
5K → 10K
21:13 | 6:50/mi
15K· 9.32 mi
1:03:18
Rank: #4918 (+32)
10K → 15K
21:03 | 6:47/mi
20K· 12.43 mi
1:24:20
Rank: #4696 (+222)
15K → 20K
21:02 | 6:46/mi
Half· 13.11 mi
1:28:50
Rank: #4615 (+81)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:45:18
Rank: #4489 (+126)
Half → 25K
16:28 | 6:47/mi
30K· 18.64 mi
2:06:38
Rank: #4252 (+237)
25K → 30K
21:20 | 6:52/mi
20M
2:16:16
Rank: #4267 (-15)
30K → 20M
9:38 | 7:05/mi
21M
2:23:21
Rank: #4109 (+158)
20M → 21M
7:05 | 7:05/mi
35K· 21.75 mi
2:28:31
Rank: #4134 (-25)
21M → 35K
5:10 | 6:54/mi
23M
2:37:16
Rank: #4089 (+45)
35K → 23M
8:45 | 6:59/mi
24M
2:44:04
Rank: #4055 (+34)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:50:05
Rank: #4055
24M → 40K
6:01 | 7:02/mi
25.2M
2:52:38
Rank: #4036 (+19)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:59:42
Rank: #4110 (-74)
25.2M → Finish
7:04 | 6:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:50
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:30:52
Pace6:56 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:0721:026:4621:02
6:46
-
10K
6.21 mi11:07:2042:156:4821:13
6:50
+0:04
15K
9.32 mi11:28:231:03:186:4721:03
6:47
-0:03
20K
12.43 mi11:49:251:24:206:4721:02
6:46
-0:01
Half
13.11 mi11:53:551:28:506:474:30
6:36
-0:10
25K
15.53 mi12:10:231:45:186:4716:28
6:47
+0:11
30K
18.64 mi12:31:432:06:386:4821:20
6:52
+0:05
20M
20.00 mi12:41:212:16:166:499:38
7:05
+0:13
21M
21.00 mi12:48:262:23:216:507:05
7:05
0:00
35K
21.75 mi12:53:362:28:316:505:10
6:54
-0:11
23M
23.00 mi13:02:212:37:166:508:45
6:59
+0:05
24M
24.00 mi13:09:092:44:046:506:48
6:48
-0:11
40K
24.85 mi13:15:102:50:056:516:01
7:02
+0:14
25.2M
25.20 mi13:17:432:52:386:512:33
7:24
+0:22
Finish
26.22 mi13:24:472:59:426:527:04
6:56
-0:28

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

6:36 /mi

Average Pace

6:52 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:09

99% of race

Time at Steady Pace

2:33

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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 mi10:46:0721:026:4621:02
6:46
#4357
10K
6.21 mi11:07:2042:156:4821:13
6:50
#4950
15K
9.32 mi11:28:231:03:186:4721:03
6:47
#4918
20K
12.43 mi11:49:251:24:206:4721:02
6:46
#4696
Half
13.11 mi11:53:551:28:506:474:30
6:36
#4615
25K
15.53 mi12:10:231:45:186:4716:28
6:47
#4489
30K
18.64 mi12:31:432:06:386:4821:20
6:52
#4252
20M
20.00 mi12:41:212:16:166:499:38
7:05
#4267
21M
21.00 mi12:48:262:23:216:507:05
7:05
#4109
35K
21.75 mi12:53:362:28:316:505:10
6:54
#4134
23M
23.00 mi13:02:212:37:166:508:45
6:59
#4089
24M
24.00 mi13:09:092:44:046:506:48
6:48
#4055
40K
24.85 mi13:15:102:50:056:516:01
7:02
#4055
25.2M
25.20 mi13:17:432:52:386:512:33
7:24
#4036
Finish
26.22 mi13:24:472:59:426:527:04
6:56
#4110
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4357406840684858(Top 18%)4519(Top 30%)4519(Top 202%)
10K6.21 mi3.10 mi4950-5934592-5244592-5245552(Top 21%)5102(Top 34%)5102(Top 228%)
15K9.32 mi3.11 mi4918+324574+184574+184858(Top 18%)4519(Top 30%)4519(Top 202%)
20K12.43 mi3.11 mi4696+2224382+1924382+1924165(Top 16%)3904(Top 26%)3904(Top 174%)
Half13.11 mi0.68 mi4615+814305+774305+773425(Top 13%)3256(Top 21%)3256(Top 145%)
25K15.53 mi2.42 mi4489+1264198+1074198+1074076(Top 15%)3822(Top 25%)3822(Top 171%)
30K18.64 mi3.11 mi4252+2373988+2103988+2103442(Top 13%)3238(Top 21%)3238(Top 144%)
20M20.00 mi1.36 mi4267-153999-113999-114517(Top 17%)4142(Top 27%)4142(Top 185%)
21M21.00 mi1.00 mi4109+1583854+1453854+1452589(Top 10%)2435(Top 16%)2435(Top 109%)
35K21.75 mi0.75 mi4134-253872-183872-184774(Top 18%)4310(Top 28%)4310(Top 192%)
23M23.00 mi1.25 mi4089+453830+423830+423725(Top 14%)3439(Top 23%)3439(Top 153%)
24M24.00 mi1.00 mi4055+343798+323798+323658(Top 14%)3357(Top 22%)3357(Top 150%)
40K24.85 mi0.85 mi40553795+33795+34018(Top 15%)3600(Top 24%)3600(Top 161%)
25.2M25.20 mi0.35 mi4036+193776+193776+193402(Top 13%)3085(Top 20%)3085(Top 138%)
Finish26.22 mi1.02 mi4110-743845-693845-694805(Top 18%)4128(Top 27%)4128(Top 184%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4858

Males

4519

M40-44

4519

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5552

Males

5102

M40-44

5102

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4858

Males

4519

M40-44

4519

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4165

Males

3904

M40-44

3904

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3425

Males

3256

M40-44

3256

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4076

Males

3822

M40-44

3822

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3442

Males

3238

M40-44

3238

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4517

Males

4142

M40-44

4142

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2589

Males

2435

M40-44

2435

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4774

Males

4310

M40-44

4310

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3725

Males

3439

M40-44

3439

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3658

Males

3357

M40-44

3357

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4018

Males

3600

M40-44

3600

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3402

Males

3085

M40-44

3085

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4805

Males

4128

M40-44

4128

Passing Analysis

Category:
Athletes Passed
1418
Passed By
1171
Net Change
+247
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4357
5K → 10K44637-593#4357#4950
10K → 15K12997+32#4950#4918
15K → 20K24624+222#4918#4696
20K → Half821+81#4696#4615
Half → 25K15226+126#4615#4489
25K → 30K25316+237#4489#4252
30K → 20M6277-15#4252#4267
20M → 21M1635+158#4267#4109
21M → 35K2449-25#4109#4134
35K → 23M8540+45#4134#4089
23M → 24M7036+34#4089#4055
24M → 40K50500#4055#4055
40K → 25.2M3415+19#4055#4036
25.2M → Finish2498-74#4036#4110
TOTALS14181171+247
📊

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