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BOSTON MARATHON 2023

Thomas Lumb

Bib: 7050•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Masters (Masters Men)
#0 / 9891
Top 11%
Division (M40-44)
#0 / 2241
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:10
Rank: #4787
Start → 5K
21:10 | 6:49/mi
10K· 6.21 mi
42:17
Rank: #4998 (-211)
5K → 10K
21:07 | 6:48/mi
15K· 9.32 mi
1:03:23
Rank: #5001 (-3)
10K → 15K
21:06 | 6:47/mi
20K· 12.43 mi
1:24:30
Rank: #4837 (+164)
15K → 20K
21:07 | 6:48/mi
Half· 13.11 mi
1:29:08
Rank: #4853 (-16)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:45:40
Rank: #4718 (+135)
Half → 25K
16:32 | 6:49/mi
30K· 18.64 mi
2:07:07
Rank: #4476 (+242)
25K → 30K
21:27 | 6:54/mi
20M
2:16:29
Rank: #4364 (+112)
30K → 20M
9:22 | 6:54/mi
21M
2:23:32
Rank: #4177 (+187)
20M → 21M
7:03 | 7:03/mi
35K· 21.75 mi
2:28:40
Rank: #4190 (-13)
21M → 35K
5:08 | 6:52/mi
23M
2:37:17
Rank: #4095 (+95)
35K → 23M
8:37 | 6:53/mi
24M
2:44:03
Rank: #4047 (+48)
23M → 24M
6:46 | 6:46/mi
40K· 24.85 mi
2:49:55
Rank: #3994 (+53)
24M → 40K
5:52 | 6:52/mi
25.2M
2:52:25
Rank: #3960 (+34)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:58:51
Rank: #3794 (+166)
25.2M → Finish
6:26 | 6:19/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:08
Pace6:48 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:43
Pace6:51 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:5821:106:4921:10
6:49
-
10K
6.21 mi10:47:0542:176:4821:07
6:48
-0:01
15K
9.32 mi11:08:111:03:236:4821:06
6:47
-0:01
20K
12.43 mi11:29:181:24:306:4821:07
6:48
+0:01
Half
13.11 mi11:33:561:29:086:484:38
6:47
-0:01
25K
15.53 mi11:50:281:45:406:4816:32
6:49
+0:02
30K
18.64 mi12:11:552:07:076:4921:27
6:54
+0:05
20M
20.00 mi12:21:172:16:296:499:22
6:54
0:00
21M
21.00 mi12:28:202:23:326:507:03
7:03
+0:09
35K
21.75 mi12:33:282:28:406:505:08
6:52
-0:11
23M
23.00 mi12:42:052:37:176:508:37
6:53
+0:01
24M
24.00 mi12:48:512:44:036:506:46
6:46
-0:07
40K
24.85 mi12:54:432:49:556:505:52
6:52
+0:06
25.2M
25.20 mi12:57:132:52:256:512:30
7:15
+0:23
Finish
26.22 mi13:03:392:58:516:506:26
6:19
-0:56

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

6:19 /mi

Average Pace

6:50 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:18

95% of race

Time at Steady Pace

9:33

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:25:5821:106:4921:10
6:49
#4787
10K
6.21 mi10:47:0542:176:4821:07
6:48
#4998
15K
9.32 mi11:08:111:03:236:4821:06
6:47
#5001
20K
12.43 mi11:29:181:24:306:4821:07
6:48
#4837
Half
13.11 mi11:33:561:29:086:484:38
6:47
#4853
25K
15.53 mi11:50:281:45:406:4816:32
6:49
#4718
30K
18.64 mi12:11:552:07:076:4921:27
6:54
#4476
20M
20.00 mi12:21:172:16:296:499:22
6:54
#4364
21M
21.00 mi12:28:202:23:326:507:03
7:03
#4177
35K
21.75 mi12:33:282:28:406:505:08
6:52
#4190
23M
23.00 mi12:42:052:37:176:508:37
6:53
#4095
24M
24.00 mi12:48:512:44:036:506:46
6:46
#4047
40K
24.85 mi12:54:432:49:556:505:52
6:52
#3994
25.2M
25.20 mi12:57:132:52:256:512:30
7:15
#3960
Finish
26.22 mi13:03:392:58:516:506:26
6:19
#3794
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4787445344535007(Top 19%)4647(Top 31%)4647(Top 207%)
10K6.21 mi3.10 mi4998-2114635-1824635-1825254(Top 20%)4856(Top 32%)4856(Top 217%)
15K9.32 mi3.11 mi5001-34643-84643-85007(Top 19%)4647(Top 31%)4647(Top 207%)
20K12.43 mi3.11 mi4837+1644504+1394504+1394394(Top 17%)4100(Top 27%)4100(Top 183%)
Half13.11 mi0.68 mi4853-164519-154519-155107(Top 19%)4717(Top 31%)4717(Top 210%)
25K15.53 mi2.42 mi4718+1354395+1244395+1244295(Top 16%)4011(Top 26%)4011(Top 179%)
30K18.64 mi3.11 mi4476+2424183+2124183+2123681(Top 14%)3455(Top 23%)3455(Top 154%)
20M20.00 mi1.36 mi4364+1124075+1084075+1083380(Top 13%)3163(Top 21%)3163(Top 141%)
21M21.00 mi1.00 mi4177+1873913+1623913+1622408(Top 9%)2277(Top 15%)2277(Top 102%)
35K21.75 mi0.75 mi4190-133922-93922-94539(Top 17%)4130(Top 27%)4130(Top 184%)
23M23.00 mi1.25 mi4095+953836+863836+863127(Top 12%)2913(Top 19%)2913(Top 130%)
24M24.00 mi1.00 mi4047+483790+463790+463473(Top 13%)3198(Top 21%)3198(Top 143%)
40K24.85 mi0.85 mi3994+533740+503740+503118(Top 12%)2862(Top 19%)2862(Top 128%)
25.2M25.20 mi0.35 mi3960+343706+343706+342742(Top 10%)2528(Top 17%)2528(Top 113%)
Finish26.22 mi1.02 mi3794+1663562+1443562+1441695(Top 6%)1595(Top 11%)1595(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5007

Males

4647

M40-44

4647

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5254

Males

4856

M40-44

4856

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5007

Males

4647

M40-44

4647

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4394

Males

4100

M40-44

4100

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5107

Males

4717

M40-44

4717

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4295

Males

4011

M40-44

4011

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3681

Males

3455

M40-44

3455

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3380

Males

3163

M40-44

3163

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2408

Males

2277

M40-44

2277

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4539

Males

4130

M40-44

4130

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3127

Males

2913

M40-44

2913

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3473

Males

3198

M40-44

3198

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3118

Males

2862

M40-44

2862

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2742

Males

2528

M40-44

2528

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1695

Males

1595

M40-44

1595

Passing Analysis

Category:
Athletes Passed
1706
Passed By
713
Net Change
+993
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4787
5K → 10K120331-211#4787#4998
10K → 15K104107-3#4998#5001
15K → 20K20036+164#5001#4837
20K → Half2339-16#4837#4853
Half → 25K16934+135#4853#4718
25K → 30K26624+242#4718#4476
30K → 20M13220+112#4476#4364
20M → 21M1892+187#4364#4177
21M → 35K2740-13#4177#4190
35K → 23M11318+95#4190#4095
23M → 24M7729+48#4095#4047
24M → 40K7623+53#4047#3994
40K → 25.2M417+34#3994#3960
25.2M → Finish1693+166#3960#3794
TOTALS1706713+993
📊

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