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BOSTON MARATHON 2023

Jeff Gennusa

Bib: 3573•M

LA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 22%
Masters (Masters Men)
#0 / 9891
Top 9%
Division (M40-44)
#0 / 2241
Top 24%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:01
Rank: #4295
Start → 5K
21:01 | 6:46/mi
10K· 6.21 mi
41:44
Rank: #4144 (+151)
5K → 10K
20:43 | 6:40/mi
15K· 9.32 mi
1:02:21
Rank: #3909 (+235)
10K → 15K
20:37 | 6:38/mi
20K· 12.43 mi
1:23:01
Rank: #3688 (+221)
15K → 20K
20:40 | 6:39/mi
Half· 13.11 mi
1:27:32
Rank: #3680 (+8)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:43:47
Rank: #3606 (+74)
Half → 25K
16:15 | 6:42/mi
30K· 18.64 mi
2:04:52
Rank: #3425 (+181)
25K → 30K
21:05 | 6:47/mi
20M
2:14:11
Rank: #3358 (+67)
30K → 20M
9:19 | 6:51/mi
21M
2:21:34
Rank: #3370 (-12)
20M → 21M
7:23 | 7:23/mi
35K· 21.75 mi
2:26:35
Rank: #3364 (+6)
21M → 35K
5:01 | 6:42/mi
23M
2:35:21
Rank: #3359 (+5)
35K → 23M
8:46 | 7:00/mi
24M
2:42:12
Rank: #3386 (-27)
23M → 24M
6:51 | 6:51/mi
40K· 24.85 mi
2:48:16
Rank: #3424 (-38)
24M → 40K
6:04 | 7:06/mi
25.2M
2:51:00
Rank: #3459 (-35)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
2:58:06
Rank: #3521 (-62)
25.2M → Finish
7:06 | 6:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:32
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:30:34
Pace6:55 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0421:016:4621:01
6:46
-
10K
6.21 mi10:43:4741:446:4320:43
6:40
-0:06
15K
9.32 mi11:04:241:02:216:4120:37
6:38
-0:02
20K
12.43 mi11:25:041:23:016:4120:40
6:39
+0:01
Half
13.11 mi11:29:351:27:326:414:31
6:37
-0:02
25K
15.53 mi11:45:501:43:476:4116:15
6:42
+0:05
30K
18.64 mi12:06:552:04:526:4221:05
6:47
+0:05
20M
20.00 mi12:16:142:14:116:439:19
6:51
+0:04
21M
21.00 mi12:23:372:21:346:447:23
7:23
+0:32
35K
21.75 mi12:28:382:26:356:445:01
6:42
-0:41
23M
23.00 mi12:37:242:35:216:458:46
7:00
+0:18
24M
24.00 mi12:44:152:42:126:466:51
6:51
-0:09
40K
24.85 mi12:50:192:48:166:466:04
7:06
+0:15
25.2M
25.20 mi12:53:032:51:006:472:44
7:56
+0:50
Finish
26.22 mi13:00:092:58:066:487:06
6:58
-0:58

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

6:37 /mi

Average Pace

6:48 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:59

94% of race

Time at Steady Pace

7:23

4% of race

Time at Slower Pace

2:44

2% 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 mi10:23:0421:016:4621:01
6:46
#4295
10K
6.21 mi10:43:4741:446:4320:43
6:40
#4144
15K
9.32 mi11:04:241:02:216:4120:37
6:38
#3909
20K
12.43 mi11:25:041:23:016:4120:40
6:39
#3688
Half
13.11 mi11:29:351:27:326:414:31
6:37
#3680
25K
15.53 mi11:45:501:43:476:4116:15
6:42
#3606
30K
18.64 mi12:06:552:04:526:4221:05
6:47
#3425
20M
20.00 mi12:16:142:14:116:439:19
6:51
#3358
21M
21.00 mi12:23:372:21:346:447:23
7:23
#3370
35K
21.75 mi12:28:382:26:356:445:01
6:42
#3364
23M
23.00 mi12:37:242:35:216:458:46
7:00
#3359
24M
24.00 mi12:44:152:42:126:466:51
6:51
#3386
40K
24.85 mi12:50:192:48:166:466:04
7:06
#3424
25.2M
25.20 mi12:53:032:51:006:472:44
7:56
#3459
Finish
26.22 mi13:00:092:58:066:487:06
6:58
#3521
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4295401340133578(Top 13%)3382(Top 22%)3382(Top 151%)
10K6.21 mi3.10 mi4144+1513890+1233890+1234028(Top 15%)3787(Top 25%)3787(Top 169%)
15K9.32 mi3.11 mi3909+2353682+2083682+2083578(Top 13%)3382(Top 22%)3382(Top 151%)
20K12.43 mi3.11 mi3688+2213489+1933489+1933200(Top 12%)3041(Top 20%)3041(Top 136%)
Half13.11 mi0.68 mi3680+83482+73482+73586(Top 13%)3394(Top 22%)3394(Top 151%)
25K15.53 mi2.42 mi3606+743412+703412+703375(Top 13%)3202(Top 21%)3202(Top 143%)
30K18.64 mi3.11 mi3425+1813243+1693243+1692895(Top 11%)2745(Top 18%)2745(Top 122%)
20M20.00 mi1.36 mi3358+673180+633180+633164(Top 12%)2970(Top 20%)2970(Top 133%)
21M21.00 mi1.00 mi3370-123191-113191-114041(Top 15%)3719(Top 25%)3719(Top 166%)
35K21.75 mi0.75 mi3364+63185+63185+63587(Top 13%)3321(Top 22%)3321(Top 148%)
23M23.00 mi1.25 mi3359+53181+43181+43792(Top 14%)3499(Top 23%)3499(Top 156%)
24M24.00 mi1.00 mi3386-273204-233204-233920(Top 15%)3579(Top 24%)3579(Top 160%)
40K24.85 mi0.85 mi3424-383235-313235-314321(Top 16%)3837(Top 25%)3837(Top 171%)
25.2M25.20 mi0.35 mi3459-353267-323267-325964(Top 22%)4895(Top 32%)4895(Top 218%)
Finish26.22 mi1.02 mi3521-623316-493316-494986(Top 19%)4257(Top 28%)4257(Top 190%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3578

Males

3382

M40-44

3382

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4028

Males

3787

M40-44

3787

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3578

Males

3382

M40-44

3382

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3200

Males

3041

M40-44

3041

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3586

Males

3394

M40-44

3394

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3375

Males

3202

M40-44

3202

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2895

Males

2745

M40-44

2745

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3164

Males

2970

M40-44

2970

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4041

Males

3719

M40-44

3719

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3587

Males

3321

M40-44

3321

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3792

Males

3499

M40-44

3499

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3920

Males

3579

M40-44

3579

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4321

Males

3837

M40-44

3837

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5964

Males

4895

M40-44

4895

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

4986

Males

4257

M40-44

4257

Passing Analysis

Category:
Athletes Passed
1487
Passed By
713
Net Change
+774
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4295
5K → 10K300149+151#4295#4144
10K → 15K27641+235#4144#3909
15K → 20K23918+221#3909#3688
20K → Half157+8#3688#3680
Half → 25K11541+74#3680#3606
25K → 30K21029+181#3606#3425
30K → 20M9124+67#3425#3358
20M → 21M5870-12#3358#3370
21M → 35K3125+6#3370#3364
35K → 23M5348+5#3364#3359
23M → 24M3360-27#3359#3386
24M → 40K2967-38#3386#3424
40K → 25.2M641-35#3424#3459
25.2M → Finish3193-62#3459#3521
TOTALS1487713+774
📊

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