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BOSTON MARATHON 2023

Tommy Brown

Bib: 6815•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 27%
Masters (Masters Men)
#0 / 9891
Top 14%
Division (M45-49)
#0 / 2252
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:39
Rank: #6047
Start → 5K
21:39 | 6:58/mi
10K· 6.21 mi
42:55
Rank: #5863 (+184)
5K → 10K
21:16 | 6:51/mi
15K· 9.32 mi
1:04:36
Rank: #6068 (-205)
10K → 15K
21:41 | 6:59/mi
20K· 12.43 mi
1:25:53
Rank: #5773 (+295)
15K → 20K
21:17 | 6:51/mi
Half· 13.11 mi
1:30:29
Rank: #5730 (+43)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:47:04
Rank: #5527 (+203)
Half → 25K
16:35 | 6:50/mi
30K· 18.64 mi
2:09:04
Rank: #5349 (+178)
25K → 30K
22:00 | 7:05/mi
20M
2:18:34
Rank: #5210 (+139)
30K → 20M
9:30 | 6:59/mi
21M
2:25:54
Rank: #5072 (+138)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:30:55
Rank: #4998 (+74)
21M → 35K
5:01 | 6:42/mi
23M
2:39:26
Rank: #4796 (+202)
35K → 23M
8:31 | 6:48/mi
24M
2:46:09
Rank: #4687 (+109)
23M → 24M
6:43 | 6:43/mi
40K· 24.85 mi
2:52:03
Rank: #4613 (+74)
24M → 40K
5:54 | 6:54/mi
25.2M
2:54:35
Rank: #4578 (+35)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
3:01:05
Rank: #4433 (+145)
25.2M → Finish
6:30 | 6:23/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:30:29
Pace6:54 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:30:36
Pace6:55 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0821:396:5821:39
6:58
-
10K
6.21 mi10:46:2442:556:5421:16
6:51
-0:07
15K
9.32 mi11:08:051:04:366:5621:41
6:59
+0:08
20K
12.43 mi11:29:221:25:536:5521:17
6:51
-0:08
Half
13.11 mi11:33:581:30:296:544:36
6:45
-0:06
25K
15.53 mi11:50:331:47:046:5416:35
6:50
+0:05
30K
18.64 mi12:12:332:09:046:5522:00
7:05
+0:15
20M
20.00 mi12:22:032:18:346:569:30
6:59
-0:06
21M
21.00 mi12:29:232:25:546:577:20
7:20
+0:21
35K
21.75 mi12:34:242:30:556:565:01
6:42
-0:38
23M
23.00 mi12:42:552:39:266:568:31
6:48
+0:06
24M
24.00 mi12:49:382:46:096:556:43
6:43
-0:05
40K
24.85 mi12:55:322:52:036:555:54
6:54
+0:11
25.2M
25.20 mi12:58:042:54:356:562:32
7:21
+0:27
Finish
26.22 mi13:04:343:01:056:556:30
6:23
-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

6:23 /mi

Average Pace

6:55 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:13

82% of race

Time at Steady Pace

31:52

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:54 /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 mi10:25:0821:396:5821:39
6:58
#6047
10K
6.21 mi10:46:2442:556:5421:16
6:51
#5863
15K
9.32 mi11:08:051:04:366:5621:41
6:59
#6068
20K
12.43 mi11:29:221:25:536:5521:17
6:51
#5773
Half
13.11 mi11:33:581:30:296:544:36
6:45
#5730
25K
15.53 mi11:50:331:47:046:5416:35
6:50
#5527
30K
18.64 mi12:12:332:09:046:5522:00
7:05
#5349
20M
20.00 mi12:22:032:18:346:569:30
6:59
#5210
21M
21.00 mi12:29:232:25:546:577:20
7:20
#5072
35K
21.75 mi12:34:242:30:556:565:01
6:42
#4998
23M
23.00 mi12:42:552:39:266:568:31
6:48
#4796
24M
24.00 mi12:49:382:46:096:556:43
6:43
#4687
40K
24.85 mi12:55:322:52:036:555:54
6:54
#4613
25.2M
25.20 mi12:58:042:54:356:562:32
7:21
#4578
Finish
26.22 mi13:04:343:01:056:556:30
6:23
#4433
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6047552455246412(Top 24%)5781(Top 38%)5781(Top 257%)
10K6.21 mi3.10 mi5863+1845373+1515373+1515686(Top 21%)5207(Top 34%)5207(Top 231%)
15K9.32 mi3.11 mi6068-2055531-1585531-1586412(Top 24%)5781(Top 38%)5781(Top 257%)
20K12.43 mi3.11 mi5773+2955305+2265305+2264913(Top 18%)4562(Top 30%)4562(Top 203%)
Half13.11 mi0.68 mi5730+435267+385267+384738(Top 18%)4400(Top 29%)4400(Top 195%)
25K15.53 mi2.42 mi5527+2035097+1705097+1704500(Top 17%)4192(Top 28%)4192(Top 186%)
30K18.64 mi3.11 mi5349+1784937+1604937+1604812(Top 18%)4434(Top 29%)4434(Top 197%)
20M20.00 mi1.36 mi5210+1394815+1224815+1223982(Top 15%)3698(Top 24%)3698(Top 164%)
21M21.00 mi1.00 mi5072+1384692+1234692+1233798(Top 14%)3521(Top 23%)3521(Top 156%)
35K21.75 mi0.75 mi4998+744622+704622+703626(Top 14%)3360(Top 22%)3360(Top 149%)
23M23.00 mi1.25 mi4796+2024453+1694453+1692696(Top 10%)2529(Top 17%)2529(Top 112%)
24M24.00 mi1.00 mi4687+1094356+974356+973228(Top 12%)2994(Top 20%)2994(Top 133%)
40K24.85 mi0.85 mi4613+744288+684288+683348(Top 13%)3064(Top 20%)3064(Top 136%)
25.2M25.20 mi0.35 mi4578+354256+324256+323194(Top 12%)2917(Top 19%)2917(Top 130%)
Finish26.22 mi1.02 mi4433+1454130+1264130+1261950(Top 7%)1821(Top 12%)1821(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6412

Males

5781

M45-49

5781

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5686

Males

5207

M45-49

5207

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6412

Males

5781

M45-49

5781

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4913

Males

4562

M45-49

4562

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4738

Males

4400

M45-49

4400

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4500

Males

4192

M45-49

4192

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4812

Males

4434

M45-49

4434

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

3982

Males

3698

M45-49

3698

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3798

Males

3521

M45-49

3521

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3626

Males

3360

M45-49

3360

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2696

Males

2529

M45-49

2529

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3228

Males

2994

M45-49

2994

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3348

Males

3064

M45-49

3064

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3194

Males

2917

M45-49

2917

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1950

Males

1821

M45-49

1821

Passing Analysis

Category:
Athletes Passed
2087
Passed By
473
Net Change
+1614
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6047
5K → 10K291107+184#6047#5863
10K → 15K49254-205#5863#6068
15K → 20K3027+295#6068#5773
20K → Half452+43#5773#5730
Half → 25K2096+203#5730#5527
25K → 30K22042+178#5527#5349
30K → 20M15718+139#5349#5210
20M → 21M1446+138#5210#5072
21M → 35K817+74#5072#4998
35K → 23M2042+202#4998#4796
23M → 24M1156+109#4796#4687
24M → 40K8612+74#4687#4613
40K → 25.2M383+35#4613#4578
25.2M → Finish1461+145#4578#4433
TOTALS2087473+1614
📊

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