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BOSTON MARATHON 2023

Matthew Smith

Bib: 9766•M

SD

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 32%
Gender (Male)
#0 / 15176
Top 46%
Masters (Masters Men)
#0 / 9891
Top 34%
Division (M45-49)
#0 / 2252
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:41
Rank: #10716
Start → 5K
23:41 | 7:37/mi
10K· 6.21 mi
46:24
Rank: #9722 (+994)
5K → 10K
22:43 | 7:19/mi
15K· 9.32 mi
1:09:36
Rank: #9758 (-36)
10K → 15K
23:12 | 7:28/mi
20K· 12.43 mi
1:33:05
Rank: #9733 (+25)
15K → 20K
23:29 | 7:34/mi
Half· 13.11 mi
1:38:11
Rank: #9757 (-24)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:56:42
Rank: #9752 (+5)
Half → 25K
18:31 | 7:38/mi
30K· 18.64 mi
2:20:36
Rank: #9510 (+242)
25K → 30K
23:54 | 7:42/mi
20M
2:31:05
Rank: #9392 (+118)
30K → 20M
10:29 | 7:43/mi
21M
2:39:19
Rank: #9316 (+76)
20M → 21M
8:14 | 8:14/mi
35K· 21.75 mi
2:44:50
Rank: #9233 (+83)
21M → 35K
5:31 | 7:22/mi
23M
2:54:18
Rank: #9059 (+174)
35K → 23M
9:28 | 7:34/mi
24M
3:01:28
Rank: #8862 (+197)
23M → 24M
7:10 | 7:10/mi
40K· 24.85 mi
3:07:38
Rank: #8688 (+174)
24M → 40K
6:10 | 7:13/mi
25.2M
3:10:17
Rank: #8611 (+77)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:17:24
Rank: #8429 (+182)
25.2M → Finish
7:07 | 6:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:11
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:39:13
Pace7:34 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2723:417:3723:41
7:37
-
10K
6.21 mi11:13:1046:247:2822:43
7:19
-0:18
15K
9.32 mi11:36:221:09:367:2823:12
7:28
+0:09
20K
12.43 mi11:59:511:33:057:2923:29
7:34
+0:06
Half
13.11 mi12:04:571:38:117:295:06
7:29
-0:05
25K
15.53 mi12:23:281:56:427:3118:31
7:38
+0:09
30K
18.64 mi12:47:222:20:367:3323:54
7:42
+0:04
20M
20.00 mi12:57:512:31:057:3310:29
7:43
+0:01
21M
21.00 mi13:06:052:39:197:358:14
8:14
+0:31
35K
21.75 mi13:11:362:44:507:355:31
7:22
-0:52
23M
23.00 mi13:21:042:54:187:359:28
7:34
+0:12
24M
24.00 mi13:28:143:01:287:347:10
7:10
-0:24
40K
24.85 mi13:34:243:07:387:336:10
7:13
+0:03
25.2M
25.20 mi13:37:033:10:177:332:39
7:41
+0:28
Finish
26.22 mi13:44:103:17:247:327:07
6:59
-0:42

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

6:59 /mi

Average Pace

7:32 /mi

Slowest Pace

8:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:08

77% of race

Time at Steady Pace

45:16

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:32 /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 mi10:50:2723:417:3723:41
7:37
#10716
10K
6.21 mi11:13:1046:247:2822:43
7:19
#9722
15K
9.32 mi11:36:221:09:367:2823:12
7:28
#9758
20K
12.43 mi11:59:511:33:057:2923:29
7:34
#9733
Half
13.11 mi12:04:571:38:117:295:06
7:29
#9757
25K
15.53 mi12:23:281:56:427:3118:31
7:38
#9752
30K
18.64 mi12:47:222:20:367:3323:54
7:42
#9510
20M
20.00 mi12:57:512:31:057:3310:29
7:43
#9392
21M
21.00 mi13:06:052:39:197:358:14
8:14
#9316
35K
21.75 mi13:11:362:44:507:355:31
7:22
#9233
23M
23.00 mi13:21:042:54:187:359:28
7:34
#9059
24M
24.00 mi13:28:143:01:287:347:10
7:10
#8862
40K
24.85 mi13:34:243:07:387:336:10
7:13
#8688
25.2M
25.20 mi13:37:033:10:177:332:39
7:41
#8611
Finish
26.22 mi13:44:103:17:247:327:07
6:59
#8429
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10716851485149896(Top 37%)8086(Top 53%)8086(Top 359%)
10K6.21 mi3.10 mi9722+9947995+5197995+5198923(Top 34%)7533(Top 50%)7533(Top 335%)
15K9.32 mi3.11 mi9758-368013-188013-189896(Top 37%)8086(Top 53%)8086(Top 359%)
20K12.43 mi3.11 mi9733+258000+138000+139753(Top 37%)7928(Top 52%)7928(Top 352%)
Half13.11 mi0.68 mi9757-248011-118011-119940(Top 37%)8050(Top 53%)8050(Top 357%)
25K15.53 mi2.42 mi9752+57998+137998+139809(Top 37%)7871(Top 52%)7871(Top 350%)
30K18.64 mi3.11 mi9510+2427807+1917807+1918585(Top 32%)7027(Top 46%)7027(Top 312%)
20M20.00 mi1.36 mi9392+1187710+977710+978277(Top 31%)6762(Top 45%)6762(Top 300%)
21M21.00 mi1.00 mi9316+767644+667644+668783(Top 33%)6938(Top 46%)6938(Top 308%)
35K21.75 mi0.75 mi9233+837578+667578+667631(Top 29%)6273(Top 41%)6273(Top 279%)
23M23.00 mi1.25 mi9059+1747455+1237455+1236803(Top 26%)5701(Top 38%)5701(Top 253%)
24M24.00 mi1.00 mi8862+1977305+1507305+1505573(Top 21%)4835(Top 32%)4835(Top 215%)
40K24.85 mi0.85 mi8688+1747189+1167189+1164969(Top 19%)4336(Top 29%)4336(Top 193%)
25.2M25.20 mi0.35 mi8611+777139+507139+504825(Top 18%)4178(Top 28%)4178(Top 186%)
Finish26.22 mi1.02 mi8429+1827004+1357004+1355119(Top 19%)4354(Top 29%)4354(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9896

Males

8086

M45-49

8086

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

8923

Males

7533

M45-49

7533

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9896

Males

8086

M45-49

8086

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9753

Males

7928

M45-49

7928

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9940

Males

8050

M45-49

8050

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9809

Males

7871

M45-49

7871

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8585

Males

7027

M45-49

7027

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8277

Males

6762

M45-49

6762

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8783

Males

6938

M45-49

6938

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7631

Males

6273

M45-49

6273

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6803

Males

5701

M45-49

5701

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5573

Males

4835

M45-49

4835

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

4969

Males

4336

M45-49

4336

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4825

Males

4178

M45-49

4178

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5119

Males

4354

M45-49

4354

Passing Analysis

Category:
Athletes Passed
2981*
Passed By
694
Net Change
+2287
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10716
5K → 10K1032*38+994#10716#9722
10K → 15K153189-36#9722#9758
15K → 20K161*136+25#9758#9733
20K → Half2549-24#9733#9757
Half → 25K121116+5#9757#9752
25K → 30K298*56+242#9752#9510
30K → 20M14628+118#9510#9392
20M → 21M12448+76#9392#9316
21M → 35K929+83#9316#9233
35K → 23M18410+174#9233#9059
23M → 24M2047+197#9059#8862
24M → 40K1762+174#8862#8688
40K → 25.2M781+77#8688#8611
25.2M → Finish1875+182#8611#8429
TOTALS2981*694+2287

* 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