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BOSTON MARATHON 2023

Jonathan Roche

Bib: 15903•M

MA

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
24:23
Rank: #12820
Start → 5K
24:23 | 7:51/mi
10K· 6.21 mi
49:21
Rank: #13926 (-1106)
5K → 10K
24:58 | 8:02/mi
15K· 9.32 mi
1:15:07
Rank: #14814 (-888)
10K → 15K
25:46 | 8:18/mi
20K· 12.43 mi
1:42:34
Rank: #15935 (-1121)
15K → 20K
27:27 | 8:50/mi
Half· 13.11 mi
1:48:23
Rank: #16039 (-104)
20K → Half
5:49 | 8:32/mi
25K· 15.53 mi
2:10:03
Rank: #16550 (-511)
Half → 25K
21:40 | 8:56/mi
30K· 18.64 mi
2:38:52
Rank: #16903 (-353)
25K → 30K
28:49 | 9:17/mi
20M
2:51:46
Rank: #17057 (-154)
30K → 20M
12:54 | 9:30/mi
21M
3:01:48
Rank: #17136 (-79)
20M → 21M
10:02 | 10:02/mi
35K· 21.75 mi
3:08:54
Rank: #17255 (-119)
21M → 35K
7:06 | 9:29/mi
23M
3:21:06
Rank: #17427 (-172)
35K → 23M
12:12 | 9:45/mi
24M
3:29:59
Rank: #17391 (+36)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:37:49
Rank: #17377 (+14)
24M → 40K
7:50 | 9:10/mi
25.2M
3:41:19
Rank: #17404 (-27)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
3:50:07
Rank: #17369 (+35)
25.2M → Finish
8:48 | 8:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:23
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time2:01:44
Pace9:17 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5924:237:5124:23
7:51
-
10K
6.21 mi11:19:5749:217:5724:58
8:02
+0:11
15K
9.32 mi11:45:431:15:078:0425:46
8:18
+0:16
20K
12.43 mi12:13:101:42:348:1527:27
8:50
+0:32
Half
13.11 mi12:18:591:48:238:165:49
8:32
-0:18
25K
15.53 mi12:40:392:10:038:2221:40
8:56
+0:24
30K
18.64 mi13:09:282:38:528:3128:49
9:17
+0:21
20M
20.00 mi13:22:222:51:468:3512:54
9:30
+0:13
21M
21.00 mi13:32:243:01:488:3910:02
10:02
+0:32
35K
21.75 mi13:39:303:08:548:417:06
9:29
-0:33
23M
23.00 mi13:51:423:21:068:4512:12
9:45
+0:16
24M
24.00 mi14:00:353:29:598:458:53
8:53
-0:52
40K
24.85 mi14:08:253:37:498:467:50
9:10
+0:17
25.2M
25.20 mi14:11:553:41:198:473:30
10:09
+0:59
Finish
26.22 mi14:20:433:50:078:478:48
8:38
-1:31

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

7:51 /mi

Average Pace

8:47 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:56

35% of race

Time at Steady Pace

1:14:38

32% of race

Time at Slower Pace

1:14:33

32% of race

Average Pace: 8:47 /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 mi10:54:5924:237:5124:23
7:51
#12820
10K
6.21 mi11:19:5749:217:5724:58
8:02
#13926
15K
9.32 mi11:45:431:15:078:0425:46
8:18
#14814
20K
12.43 mi12:13:101:42:348:1527:27
8:50
#15935
Half
13.11 mi12:18:591:48:238:165:49
8:32
#16039
25K
15.53 mi12:40:392:10:038:2221:40
8:56
#16550
30K
18.64 mi13:09:282:38:528:3128:49
9:17
#16903
20M
20.00 mi13:22:222:51:468:3512:54
9:30
#17057
21M
21.00 mi13:32:243:01:488:3910:02
10:02
#17136
35K
21.75 mi13:39:303:08:548:417:06
9:29
#17255
23M
23.00 mi13:51:423:21:068:4512:12
9:45
#17427
24M
24.00 mi14:00:353:29:598:458:53
8:53
#17391
40K
24.85 mi14:08:253:37:498:467:50
9:10
#17377
25.2M
25.20 mi14:11:553:41:198:473:30
10:09
#17404
Finish
26.22 mi14:20:433:50:078:478:48
8:38
#17369
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi128209472947216490(Top 62%)10881(Top 72%)10881(Top 530%)
10K6.21 mi3.10 mi13926-11069915-4439915-44315060(Top 57%)10334(Top 68%)10334(Top 504%)
15K9.32 mi3.11 mi14814-88810249-33410249-33416490(Top 62%)10881(Top 72%)10881(Top 530%)
20K12.43 mi3.11 mi15935-112110652-40310652-40318845(Top 71%)11827(Top 78%)11827(Top 576%)
Half13.11 mi0.68 mi16039-10410684-3210684-3217815(Top 67%)11421(Top 75%)11421(Top 557%)
25K15.53 mi2.42 mi16550-51110864-18010864-18018628(Top 70%)11682(Top 77%)11682(Top 569%)
30K18.64 mi3.11 mi16903-35310982-11810982-11818500(Top 69%)11560(Top 76%)11560(Top 563%)
20M20.00 mi1.36 mi17057-15411034-5211034-5218817(Top 71%)11592(Top 76%)11592(Top 565%)
21M21.00 mi1.00 mi17136-7911045-1111045-1118137(Top 68%)11277(Top 74%)11277(Top 550%)
35K21.75 mi0.75 mi17255-11911082-3711082-3719796(Top 74%)11956(Top 79%)11956(Top 583%)
23M23.00 mi1.25 mi17427-17211130-4811130-4819217(Top 72%)11658(Top 77%)11658(Top 568%)
24M24.00 mi1.00 mi17391+3611107+2311107+2316673(Top 63%)10478(Top 69%)10478(Top 511%)
40K24.85 mi0.85 mi17377+1411087+2011087+2016908(Top 64%)10544(Top 69%)10544(Top 514%)
25.2M25.20 mi0.35 mi17404-2711092-511092-517909(Top 67%)10968(Top 72%)10968(Top 535%)
Finish26.22 mi1.02 mi17369+3511061+3111061+3116154(Top 61%)10236(Top 67%)10236(Top 499%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16490

Males

10881

M50-54

10881

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

15060

Males

10334

M50-54

10334

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16490

Males

10881

M50-54

10881

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18845

Males

11827

M50-54

11827

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17815

Males

11421

M50-54

11421

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

18628

Males

11682

M50-54

11682

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18500

Males

11560

M50-54

11560

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18817

Males

11592

M50-54

11592

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

18137

Males

11277

M50-54

11277

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

19796

Males

11956

M50-54

11956

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

19217

Males

11658

M50-54

11658

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16673

Males

10478

M50-54

10478

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16908

Males

10544

M50-54

10544

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17909

Males

10968

M50-54

10968

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16154

Males

10236

M50-54

10236

Passing Analysis

Category:
Athletes Passed
635
Passed By
5184
Net Change
-4549
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12820
5K → 10K421148-1106#12820#13926
10K → 15K36924-888#13926#14814
15K → 20K251146-1121#14814#15935
20K → Half10114-104#15935#16039
Half → 25K38549-511#16039#16550
25K → 30K92445-353#16550#16903
30K → 20M34188-154#16903#17057
20M → 21M58137-79#17057#17136
21M → 35K19138-119#17136#17255
35K → 23M41213-172#17255#17427
23M → 24M7539+36#17427#17391
24M → 40K6753+14#17391#17377
40K → 25.2M2552-27#17377#17404
25.2M → Finish7338+35#17404#17369
TOTALS6355184-4549
📊

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