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BOSTON MARATHON 2023

John Rollie

Bib: 10412•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 33%
Gender (Male)
#0 / 15176
Top 47%
Masters (Masters Men)
#0 / 9891
Top 35%
Division (M50-54)
#0 / 2052
Top 31%
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
7:42/mi
23:56
↑ 97↓ 3451.5%
10K· 6.21 mi
7:27/mi
47:04
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:09:56
↑ 67↓ 78
20K· 12.43 mi
7:28/mi
1:33:07
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:38:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:56:10
↑ 66↓ 880.2%
30K· 18.64 mi
7:29/mi
2:19:24
↑ 181↓ 1480.2%
20M
7:36/mi
2:29:43
↑ 64↓ 500.2%
21M
8:18/mi
2:38:01
↑ 106↓ 241.6%
35K· 21.75 mi
7:18/mi
2:43:29
↑ 17↓ 861.7%
23M
7:42/mi
2:53:07
↑ 23↓ 630.6%
24M
7:35/mi
3:00:42
↓ 821.3%
40K· 24.85 mi
7:43/mi
3:07:18
↓ 200.3%
25.2M
8:39/mi
3:10:17
↑ 13↓ 160.2%
Finish· 26.22 mi
7:46/mi
3:18:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:12
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:40:00
Pace7:38 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0523:567:4223:56
7:42
-
10K
6.21 mi11:14:1347:047:3423:08
7:27
-0:15
15K
9.32 mi11:37:051:09:567:3022:52
7:22
-0:05
20K
12.43 mi12:00:161:33:077:3023:11
7:28
+0:06
Half
13.11 mi12:05:211:38:127:295:05
7:27
-0:01
25K
15.53 mi12:23:191:56:107:2917:58
7:25
-0:02
30K
18.64 mi12:46:332:19:247:2923:14
7:29
+0:04
20M
20.00 mi12:56:522:29:437:2910:19
7:36
+0:07
21M
21.00 mi13:05:102:38:017:318:18
8:18
+0:42
35K
21.75 mi13:10:382:43:297:315:28
7:18
-1:00
23M
23.00 mi13:20:162:53:077:329:38
7:42
+0:24
24M
24.00 mi13:27:513:00:427:327:35
7:35
-0:07
40K
24.85 mi13:34:273:07:187:326:36
7:43
+0:08
25.2M
25.20 mi13:37:263:10:177:332:59
8:39
+0:56
Finish
26.22 mi13:45:213:18:127:347:55
7:46
-0:53

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

7:18 /mi

Average Pace

7:34 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:55

94% of race

Time at Steady Pace

8:18

4% of race

Time at Slower Pace

2:59

2% of race

Average Pace: 7:34 /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 mi10:51:0523:567:4223:56
7:42
#11457
10K
6.21 mi11:14:1347:047:3423:08
7:27
#10671
15K
9.32 mi11:37:051:09:567:3022:52
7:22
#10082
20K
12.43 mi12:00:161:33:077:3023:11
7:28
#9760
Half
13.11 mi12:05:211:38:127:295:05
7:27
#9769
25K
15.53 mi12:23:191:56:107:2917:58
7:25
#9460
30K
18.64 mi12:46:332:19:247:2923:14
7:29
#8988
20M
20.00 mi12:56:522:29:437:2910:19
7:36
#8835
21M
21.00 mi13:05:102:38:017:318:18
8:18
#8844
35K
21.75 mi13:10:382:43:297:315:28
7:18
#8769
23M
23.00 mi13:20:162:53:077:329:38
7:42
#8676
24M
24.00 mi13:27:513:00:427:327:35
7:35
#8641
40K
24.85 mi13:34:273:07:187:326:36
7:43
#8594
25.2M
25.20 mi13:37:263:10:177:332:59
8:39
#8612
Finish
26.22 mi13:45:213:18:127:347:55
7:46
#8655
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi11457886988699008(Top 34%)7543(Top 50%)7543(Top 368%)
10K6.21 mi3.10 mi10671+7868499+3708499+37010012(Top 38%)8173(Top 54%)8173(Top 398%)
15K9.32 mi3.11 mi10082+5898211+2888211+2889008(Top 34%)7543(Top 50%)7543(Top 368%)
20K12.43 mi3.11 mi9760+3228015+1968015+1969002(Top 34%)7504(Top 49%)7504(Top 366%)
Half13.11 mi0.68 mi9769-98018-38018-39748(Top 37%)7941(Top 52%)7941(Top 387%)
25K15.53 mi2.42 mi9460+3097817+2017817+2018103(Top 30%)6874(Top 45%)6874(Top 335%)
30K18.64 mi3.11 mi8988+4727496+3217496+3217075(Top 27%)6122(Top 40%)6122(Top 298%)
20M20.00 mi1.36 mi8835+1537387+1097387+1097440(Top 28%)6245(Top 41%)6245(Top 304%)
21M21.00 mi1.00 mi8844-97375+127375+129211(Top 35%)7183(Top 47%)7183(Top 350%)
35K21.75 mi0.75 mi8769+757317+587317+587177(Top 27%)6017(Top 40%)6017(Top 293%)
23M23.00 mi1.25 mi8676+937227+907227+907683(Top 29%)6233(Top 41%)6233(Top 304%)
24M24.00 mi1.00 mi8641+357182+457182+458266(Top 31%)6471(Top 43%)6471(Top 315%)
40K24.85 mi0.85 mi8594+477139+437139+438083(Top 30%)6302(Top 42%)6302(Top 307%)
25.2M25.20 mi0.35 mi8612-187140-17140-110367(Top 39%)7465(Top 49%)7465(Top 364%)
Finish26.22 mi1.02 mi8655-437138+27138+210411(Top 39%)7495(Top 49%)7495(Top 365%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9008

Males

7543

M50-54

7543

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10012

Males

8173

M50-54

8173

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9008

Males

7543

M50-54

7543

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9002

Males

7504

M50-54

7504

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9748

Males

7941

M50-54

7941

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8103

Males

6874

M50-54

6874

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7075

Males

6122

M50-54

6122

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7440

Males

6245

M50-54

6245

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9211

Males

7183

M50-54

7183

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7177

Males

6017

M50-54

6017

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

7683

Males

6233

M50-54

6233

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8266

Males

6471

M50-54

6471

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8083

Males

6302

M50-54

6302

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10367

Males

7465

M50-54

7465

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10411

Males

7495

M50-54

7495

Passing Analysis

Category:
Athletes Passed
3336*
Passed By
534
Net Change
+2802
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11457
5K → 10K84559+786#11457#10671
10K → 15K61425+589#10671#10082
15K → 20K363*41+322#10082#9760
20K → Half3241-9#9760#9769
Half → 25K3167+309#9769#9460
25K → 30K484*12+472#9460#8988
30K → 20M16916+153#8988#8835
20M → 21M7786-9#8835#8844
21M → 35K8611+75#8844#8769
35K → 23M12128+93#8769#8676
23M → 24M8752+35#8676#8641
24M → 40K7528+47#8641#8594
40K → 25.2M2038-18#8594#8612
25.2M → Finish4790-43#8612#8655
TOTALS3336*534+2802

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

📊

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