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BOSTON MARATHON 2023

Lee Greenberg

Bib: 9269•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 31%
Masters (Masters Men)
#0 / 9891
Top 17%
Division (M40-44)
#0 / 2241
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:34
Rank: #10373
Start → 5K
23:34 | 7:35/mi
10K· 6.21 mi
46:06
Rank: #9324 (+1049)
5K → 10K
22:32 | 7:15/mi
15K· 9.32 mi
1:08:16
Rank: #8634 (+690)
10K → 15K
22:10 | 7:08/mi
20K· 12.43 mi
1:30:11
Rank: #7940 (+694)
15K → 20K
21:55 | 7:03/mi
Half· 13.11 mi
1:34:52
Rank: #7801 (+139)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:51:38
Rank: #7282 (+519)
Half → 25K
16:46 | 6:55/mi
30K· 18.64 mi
2:13:25
Rank: #6727 (+555)
25K → 30K
21:47 | 7:01/mi
20M
2:22:52
Rank: #6478 (+249)
30K → 20M
9:27 | 6:57/mi
21M
2:30:12
Rank: #6299 (+179)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:35:05
Rank: #6151 (+148)
21M → 35K
4:53 | 6:32/mi
23M
2:43:25
Rank: #5841 (+310)
35K → 23M
8:20 | 6:39/mi
24M
2:49:50
Rank: #5597 (+244)
23M → 24M
6:25 | 6:25/mi
40K· 24.85 mi
2:55:18
Rank: #5359 (+238)
24M → 40K
5:28 | 6:24/mi
25.2M
2:57:43
Rank: #5275 (+84)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
3:04:20
Rank: #5119 (+156)
25.2M → Finish
6:37 | 6:30/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:34:52
Pace7:14 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:29:28
Pace6:49 /mi
📊Negative Split: 5.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2223:347:3523:34
7:35
-
10K
6.21 mi11:13:5446:067:2522:32
7:15
-0:20
15K
9.32 mi11:36:041:08:167:1922:10
7:08
-0:07
20K
12.43 mi11:57:591:30:117:1521:55
7:03
-0:05
Half
13.11 mi12:02:401:34:527:144:41
6:52
-0:11
25K
15.53 mi12:19:261:51:387:1116:46
6:55
+0:03
30K
18.64 mi12:41:132:13:257:0921:47
7:01
+0:06
20M
20.00 mi12:50:402:22:527:099:27
6:57
-0:04
21M
21.00 mi12:58:002:30:127:097:20
7:20
+0:23
35K
21.75 mi13:02:532:35:057:084:53
6:32
-0:48
23M
23.00 mi13:11:132:43:257:068:20
6:39
+0:07
24M
24.00 mi13:17:382:49:507:056:25
6:25
-0:14
40K
24.85 mi13:23:062:55:187:035:28
6:24
-0:01
25.2M
25.20 mi13:25:312:57:437:032:25
7:00
+0:36
Finish
26.22 mi13:32:083:04:207:026:37
6:30
-0:30

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

6:24 /mi

Average Pace

7:02 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:49

47% of race

Time at Steady Pace

1:13:57

40% of race

Time at Slower Pace

23:34

13% of race

Average Pace: 7:02 /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 mi10:51:2223:347:3523:34
7:35
#10373
10K
6.21 mi11:13:5446:067:2522:32
7:15
#9324
15K
9.32 mi11:36:041:08:167:1922:10
7:08
#8634
20K
12.43 mi11:57:591:30:117:1521:55
7:03
#7940
Half
13.11 mi12:02:401:34:527:144:41
6:52
#7801
25K
15.53 mi12:19:261:51:387:1116:46
6:55
#7282
30K
18.64 mi12:41:132:13:257:0921:47
7:01
#6727
20M
20.00 mi12:50:402:22:527:099:27
6:57
#6478
21M
21.00 mi12:58:002:30:127:097:20
7:20
#6299
35K
21.75 mi13:02:532:35:057:084:53
6:32
#6151
23M
23.00 mi13:11:132:43:257:068:20
6:39
#5841
24M
24.00 mi13:17:382:49:507:056:25
6:25
#5597
40K
24.85 mi13:23:062:55:187:035:28
6:24
#5359
25.2M
25.20 mi13:25:312:57:437:032:25
7:00
#5275
Finish
26.22 mi13:32:083:04:207:026:37
6:30
#5119
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi10373833283327362(Top 28%)6503(Top 43%)6503(Top 290%)
10K6.21 mi3.10 mi9324+10497770+5627770+5628490(Top 32%)7249(Top 48%)7249(Top 323%)
15K9.32 mi3.11 mi8634+6907348+4227348+4227362(Top 28%)6503(Top 43%)6503(Top 290%)
20K12.43 mi3.11 mi7940+6946898+4506898+4506299(Top 24%)5694(Top 38%)5694(Top 254%)
Half13.11 mi0.68 mi7801+1396805+936805+935730(Top 22%)5262(Top 35%)5262(Top 235%)
25K15.53 mi2.42 mi7282+5196439+3666439+3665057(Top 19%)4674(Top 31%)4674(Top 209%)
30K18.64 mi3.11 mi6727+5556011+4286011+4284426(Top 17%)4109(Top 27%)4109(Top 183%)
20M20.00 mi1.36 mi6478+2495812+1995812+1993761(Top 14%)3505(Top 23%)3505(Top 156%)
21M21.00 mi1.00 mi6299+1795668+1445668+1443804(Top 14%)3527(Top 23%)3527(Top 157%)
35K21.75 mi0.75 mi6151+1485548+1205548+1202619(Top 10%)2478(Top 16%)2478(Top 111%)
23M23.00 mi1.25 mi5841+3105299+2495299+2492012(Top 8%)1907(Top 13%)1907(Top 85%)
24M24.00 mi1.00 mi5597+2445098+2015098+2011772(Top 7%)1673(Top 11%)1673(Top 75%)
40K24.85 mi0.85 mi5359+2384897+2014897+2011205(Top 5%)1140(Top 8%)1140(Top 51%)
25.2M25.20 mi0.35 mi5275+844823+744823+741826(Top 7%)1719(Top 11%)1719(Top 77%)
Finish26.22 mi1.02 mi5119+1564692+1314692+1312469(Top 9%)2277(Top 15%)2277(Top 102%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7362

Males

6503

M40-44

6503

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8490

Males

7249

M40-44

7249

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7362

Males

6503

M40-44

6503

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6299

Males

5694

M40-44

5694

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5730

Males

5262

M40-44

5262

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5057

Males

4674

M40-44

4674

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4426

Males

4109

M40-44

4109

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3761

Males

3505

M40-44

3505

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3804

Males

3527

M40-44

3527

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2619

Males

2478

M40-44

2478

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2012

Males

1907

M40-44

1907

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1772

Males

1673

M40-44

1673

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1205

Males

1140

M40-44

1140

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1826

Males

1719

M40-44

1719

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2469

Males

2277

M40-44

2277

Passing Analysis

Category:
Athletes Passed
5309*
Passed By
55
Net Change
+5254
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10373
5K → 10K1090*41+1049#10373#9324
10K → 15K6988+690#9324#8634
15K → 20K6940+694#8634#7940
20K → Half1390+139#7940#7801
Half → 25K5190+519#7801#7282
25K → 30K5561+555#7282#6727
30K → 20M2501+249#6727#6478
20M → 21M1812+179#6478#6299
21M → 35K1480+148#6299#6151
35K → 23M3100+310#6151#5841
23M → 24M2440+244#5841#5597
24M → 40K2380+238#5597#5359
40K → 25.2M840+84#5359#5275
25.2M → Finish1582+156#5275#5119
TOTALS5309*55+5254

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

📊

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