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BOSTON MARATHON 2023

Jeffrey Roth

Bib: 12373•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 27%
Gender (Male)
#0 / 15176
Top 41%
Masters (Masters Men)
#0 / 9891
Top 28%
Division (M45-49)
#0 / 2252
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:25/mi
23:03
↑ 97↓ 3451.5%
10K· 6.21 mi
7:04/mi
45:01
↑ 79↓ 1380.4%
15K· 9.32 mi
7:07/mi
1:07:09
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:29:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:11/mi
1:34:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:21/mi
1:52:13
↑ 66↓ 880.2%
30K· 18.64 mi
7:23/mi
2:15:09
↑ 181↓ 1480.2%
20M
7:26/mi
2:25:15
↑ 64↓ 500.2%
21M
7:36/mi
2:32:51
↑ 106↓ 241.6%
35K· 21.75 mi
7:17/mi
2:38:18
↑ 17↓ 861.7%
23M
7:42/mi
2:47:56
↑ 23↓ 630.6%
24M
7:38/mi
2:55:34
↓ 821.3%
40K· 24.85 mi
7:57/mi
3:02:22
↓ 200.3%
25.2M
8:39/mi
3:05:21
↑ 13↓ 160.2%
Finish· 26.22 mi
7:52/mi
3:13:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:23
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:38:59
Pace7:33 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5923:037:2523:03
7:25
-
10K
6.21 mi11:12:5745:017:1521:58
7:04
-0:21
15K
9.32 mi11:35:051:07:097:1222:08
7:07
+0:03
20K
12.43 mi11:57:251:29:297:1222:20
7:11
+0:04
Half
13.11 mi12:02:191:34:237:124:54
7:11
0:00
25K
15.53 mi12:20:091:52:137:1317:50
7:21
+0:10
30K
18.64 mi12:43:052:15:097:1522:56
7:23
+0:02
20M
20.00 mi12:53:112:25:157:1610:06
7:26
+0:03
21M
21.00 mi13:00:472:32:517:177:36
7:36
+0:10
35K
21.75 mi13:06:142:38:187:175:27
7:17
-0:19
23M
23.00 mi13:15:522:47:567:189:38
7:42
+0:25
24M
24.00 mi13:23:302:55:347:197:38
7:38
-0:04
40K
24.85 mi13:30:183:02:227:206:48
7:57
+0:19
25.2M
25.20 mi13:33:173:05:217:212:59
8:39
+0:42
Finish
26.22 mi13:41:183:13:227:238:01
7:52
-0:47

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

7:04 /mi

Average Pace

7:23 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:20

37% of race

Time at Steady Pace

1:26:58

45% of race

Time at Slower Pace

35:04

18% of race

Average Pace: 7:22 /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 mi10:50:5923:037:2523:03
7:25
#8956
10K
6.21 mi11:12:5745:017:1521:58
7:04
#8059
15K
9.32 mi11:35:051:07:097:1222:08
7:07
#7778
20K
12.43 mi11:57:251:29:297:1222:20
7:11
#7548
Half
13.11 mi12:02:191:34:237:124:54
7:11
#7538
25K
15.53 mi12:20:091:52:137:1317:50
7:21
#7538
30K
18.64 mi12:43:052:15:097:1522:56
7:23
#7294
20M
20.00 mi12:53:112:25:157:1610:06
7:26
#7203
21M
21.00 mi13:00:472:32:517:177:36
7:36
#7033
35K
21.75 mi13:06:142:38:187:175:27
7:17
#7014
23M
23.00 mi13:15:522:47:567:189:38
7:42
#7011
24M
24.00 mi13:23:302:55:347:197:38
7:38
#7042
40K
24.85 mi13:30:183:02:227:206:48
7:57
#7115
25.2M
25.20 mi13:33:173:05:217:212:59
8:39
#7147
Finish
26.22 mi13:41:183:13:227:238:01
7:52
#7273
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8956756375637303(Top 27%)6458(Top 43%)6458(Top 287%)
10K6.21 mi3.10 mi8059+8976995+5686995+5687244(Top 27%)6408(Top 42%)6408(Top 285%)
15K9.32 mi3.11 mi7778+2816811+1846811+1847303(Top 27%)6458(Top 43%)6458(Top 287%)
20K12.43 mi3.11 mi7548+2306642+1696642+1697023(Top 26%)6229(Top 41%)6229(Top 277%)
Half13.11 mi0.68 mi7538+106631+116631+117686(Top 29%)6693(Top 44%)6693(Top 297%)
25K15.53 mi2.42 mi75386623+86623+87648(Top 29%)6572(Top 43%)6572(Top 292%)
30K18.64 mi3.11 mi7294+2446424+1996424+1996502(Top 24%)5735(Top 38%)5735(Top 255%)
20M20.00 mi1.36 mi7203+916348+766348+766363(Top 24%)5557(Top 37%)5557(Top 247%)
21M21.00 mi1.00 mi7033+1706216+1326216+1325106(Top 19%)4559(Top 30%)4559(Top 202%)
35K21.75 mi0.75 mi7014+196196+206196+207016(Top 26%)5901(Top 39%)5901(Top 262%)
23M23.00 mi1.25 mi7011+36157+396157+397668(Top 29%)6218(Top 41%)6218(Top 276%)
24M24.00 mi1.00 mi7042-316162-56162-58592(Top 32%)6659(Top 44%)6659(Top 296%)
40K24.85 mi0.85 mi7115-736197-356197-359690(Top 36%)7168(Top 47%)7168(Top 318%)
25.2M25.20 mi0.35 mi7147-326210-136210-1310347(Top 39%)7445(Top 49%)7445(Top 331%)
Finish26.22 mi1.02 mi7273-1266259-496259-4911106(Top 42%)7830(Top 52%)7830(Top 348%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7303

Males

6458

M45-49

6458

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7244

Males

6408

M45-49

6408

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7303

Males

6458

M45-49

6458

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7023

Males

6229

M45-49

6229

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

7686

Males

6693

M45-49

6693

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7648

Males

6572

M45-49

6572

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6502

Males

5735

M45-49

5735

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6363

Males

5557

M45-49

5557

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

5106

Males

4559

M45-49

4559

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

7016

Males

5901

M45-49

5901

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

7668

Males

6218

M45-49

6218

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8592

Males

6659

M45-49

6659

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9690

Males

7168

M45-49

7168

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10347

Males

7445

M45-49

7445

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11106

Males

7830

M45-49

7830

Passing Analysis

Category:
Athletes Passed
2426
Passed By
743
Net Change
+1683
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8956
5K → 10K92528+897#8956#8059
10K → 15K31534+281#8059#7778
15K → 20K25929+230#7778#7548
20K → Half3121+10#7548#7538
Half → 25K81810#7538#7538
25K → 30K27127+244#7538#7294
30K → 20M10918+91#7294#7203
20M → 21M1788+170#7203#7033
21M → 35K4829+19#7033#7014
35K → 23M8380+3#7014#7011
23M → 24M4879-31#7011#7042
24M → 40K29102-73#7042#7115
40K → 25.2M1648-32#7115#7147
25.2M → Finish33159-126#7147#7273
TOTALS2426743+1683
📊

Passing Visuals

Category:
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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