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BOSTON MARATHON 2023

Roger Bolton

Bib: 9610•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:51
Rank: #16289
Start → 5K
25:51 | 8:19/mi
10K· 6.21 mi
52:56
Rank: #18011 (-1722)
5K → 10K
27:05 | 8:43/mi
15K· 9.32 mi
1:19:59
Rank: #18372 (-361)
10K → 15K
27:03 | 8:42/mi
20K· 12.43 mi
1:47:13
Rank: #18370 (+2)
15K → 20K
27:14 | 8:46/mi
Half· 13.11 mi
1:53:09
Rank: #18385 (-15)
20K → Half
5:56 | 8:42/mi
25K· 15.53 mi
2:14:33
Rank: #18344 (+41)
Half → 25K
21:24 | 8:50/mi
30K· 18.64 mi
2:43:30
Rank: #18407 (-63)
25K → 30K
28:57 | 9:19/mi
20M
2:56:16
Rank: #18415 (-8)
30K → 20M
12:46 | 9:24/mi
21M
3:07:33
Rank: #18701 (-286)
20M → 21M
11:17 | 11:17/mi
35K· 21.75 mi
3:14:21
Rank: #18674 (+27)
21M → 35K
6:48 | 9:05/mi
23M
3:27:07
Rank: #18862 (-188)
35K → 23M
12:46 | 10:12/mi
24M
3:36:32
Rank: #18862
23M → 24M
9:25 | 9:25/mi
40K· 24.85 mi
3:45:01
Rank: #18927 (-65)
24M → 40K
8:29 | 9:55/mi
25.2M
3:48:35
Rank: #18922 (+5)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
3:58:29
Rank: #19036 (-114)
25.2M → Finish
9:54 | 9:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:09
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time2:05:20
Pace9:34 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5625:518:1925:51
8:19
-
10K
6.21 mi11:19:0152:568:3127:05
8:43
+0:24
15K
9.32 mi11:46:041:19:598:3527:03
8:42
-0:01
20K
12.43 mi12:13:181:47:138:3827:14
8:46
+0:04
Half
13.11 mi12:19:141:53:098:385:56
8:42
-0:04
25K
15.53 mi12:40:382:14:338:4021:24
8:50
+0:08
30K
18.64 mi13:09:352:43:308:4628:57
9:19
+0:29
20M
20.00 mi13:22:212:56:168:4912:46
9:24
+0:05
21M
21.00 mi13:33:383:07:338:5611:17
11:17
+1:53
35K
21.75 mi13:40:263:14:218:566:48
9:05
-2:12
23M
23.00 mi13:53:123:27:079:0012:46
10:12
+1:07
24M
24.00 mi14:02:373:36:329:019:25
9:25
-0:47
40K
24.85 mi14:11:063:45:019:038:29
9:55
+0:30
25.2M
25.20 mi14:14:403:48:359:043:34
10:21
+0:26
Finish
26.22 mi14:24:343:58:299:069:54
9:43
-0:38

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

8:19 /mi

Average Pace

9:06 /mi

Slowest Pace

11:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:33

56% of race

Time at Steady Pace

57:56

24% of race

Time at Slower Pace

46:00

19% of race

Average Pace: 9:06 /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 mi10:51:5625:518:1925:51
8:19
#16289
10K
6.21 mi11:19:0152:568:3127:05
8:43
#18011
15K
9.32 mi11:46:041:19:598:3527:03
8:42
#18372
20K
12.43 mi12:13:181:47:138:3827:14
8:46
#18370
Half
13.11 mi12:19:141:53:098:385:56
8:42
#18385
25K
15.53 mi12:40:382:14:338:4021:24
8:50
#18344
30K
18.64 mi13:09:352:43:308:4628:57
9:19
#18407
20M
20.00 mi13:22:212:56:168:4912:46
9:24
#18415
21M
21.00 mi13:33:383:07:338:5611:17
11:17
#18701
35K
21.75 mi13:40:263:14:218:566:48
9:05
#18674
23M
23.00 mi13:53:123:27:079:0012:46
10:12
#18862
24M
24.00 mi14:02:373:36:329:019:25
9:25
#18862
40K
24.85 mi14:11:063:45:019:038:29
9:55
#18927
25.2M
25.20 mi14:14:403:48:359:043:34
10:21
#18922
Finish
26.22 mi14:24:343:58:299:069:54
9:43
#19036
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi16289108111081119009(Top 71%)11880(Top 78%)11880(Top 579%)
10K6.21 mi3.10 mi18011-172211452-64111452-64119508(Top 73%)12097(Top 80%)12097(Top 590%)
15K9.32 mi3.11 mi18372-36111619-16711619-16719009(Top 71%)11880(Top 78%)11880(Top 579%)
20K12.43 mi3.11 mi18370+211617+211617+218485(Top 69%)11680(Top 77%)11680(Top 569%)
Half13.11 mi0.68 mi18385-1511630-1311630-1318888(Top 71%)11853(Top 78%)11853(Top 578%)
25K15.53 mi2.42 mi18344+4111589+4111589+4118095(Top 68%)11476(Top 76%)11476(Top 559%)
30K18.64 mi3.11 mi18407-6311575+1411575+1418705(Top 70%)11654(Top 77%)11654(Top 568%)
20M20.00 mi1.36 mi18415-8115751157518435(Top 69%)11426(Top 75%)11426(Top 557%)
21M21.00 mi1.00 mi18701-28611692-11711692-11721430(Top 80%)12705(Top 84%)12705(Top 619%)
35K21.75 mi0.75 mi18674+2711676+1611676+1618258(Top 69%)11260(Top 74%)11260(Top 549%)
23M23.00 mi1.25 mi18862-18811730-5411730-5420546(Top 77%)12262(Top 81%)12262(Top 598%)
24M24.00 mi1.00 mi1886211718+1211718+1218901(Top 71%)11492(Top 76%)11492(Top 560%)
40K24.85 mi0.85 mi18927-6511749-3111749-3119744(Top 74%)11804(Top 78%)11804(Top 575%)
25.2M25.20 mi0.35 mi18922+511741+811741+818586(Top 70%)11295(Top 74%)11295(Top 550%)
Finish26.22 mi1.02 mi19036-11411783-4211783-4220828(Top 78%)12327(Top 81%)12327(Top 601%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

19009

Males

11880

M50-54

11880

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

19508

Males

12097

M50-54

12097

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

19009

Males

11880

M50-54

11880

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

18485

Males

11680

M50-54

11680

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18888

Males

11853

M50-54

11853

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18095

Males

11476

M50-54

11476

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18705

Males

11654

M50-54

11654

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

18435

Males

11426

M50-54

11426

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

21430

Males

12705

M50-54

12705

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

18258

Males

11260

M50-54

11260

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

20546

Males

12262

M50-54

12262

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

18901

Males

11492

M50-54

11492

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19744

Males

11804

M50-54

11804

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18586

Males

11295

M50-54

11295

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20828

Males

12327

M50-54

12327

Passing Analysis

Category:
Athletes Passed
920
Passed By
3667
Net Change
-2747
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16289
5K → 10K261748-1722#16289#18011
10K → 15K78439-361#18011#18372
15K → 20K161159+2#18372#18370
20K → Half2641-15#18370#18385
Half → 25K144103+41#18385#18344
25K → 30K161224-63#18344#18407
30K → 20M8694-8#18407#18415
20M → 21M17303-286#18415#18701
21M → 35K5427+27#18701#18674
35K → 23M34222-188#18674#18862
23M → 24M59590#18862#18862
24M → 40K2792-65#18862#18927
40K → 25.2M3126+5#18927#18922
25.2M → Finish16130-114#18922#19036
TOTALS9203667-2747
📊

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