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BOSTON MARATHON 2023

Roger Ison

Bib: 23035•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:18
Rank: #17304
Start → 5K
26:18 | 8:28/mi
10K· 6.21 mi
52:19
Rank: #17336 (-32)
5K → 10K
26:01 | 8:22/mi
15K· 9.32 mi
1:18:25
Rank: #17281 (+55)
10K → 15K
26:06 | 8:24/mi
20K· 12.43 mi
1:44:45
Rank: #17137 (+144)
15K → 20K
26:20 | 8:29/mi
Half· 13.11 mi
1:50:29
Rank: #17138 (-1)
20K → Half
5:44 | 8:24/mi
25K· 15.53 mi
2:11:07
Rank: #16976 (+162)
Half → 25K
20:38 | 8:31/mi
30K· 18.64 mi
2:39:07
Rank: #16980 (-4)
25K → 30K
28:00 | 9:01/mi
20M
2:51:22
Rank: #16938 (+42)
30K → 20M
12:15 | 9:01/mi
21M
3:01:52
Rank: #17156 (-218)
20M → 21M
10:30 | 10:30/mi
35K· 21.75 mi
3:08:17
Rank: #17103 (+53)
21M → 35K
6:25 | 8:35/mi
23M
3:19:19
Rank: #16967 (+136)
35K → 23M
11:02 | 8:49/mi
24M
3:27:57
Rank: #16900 (+67)
23M → 24M
8:38 | 8:38/mi
40K· 24.85 mi
3:35:45
Rank: #16888 (+12)
24M → 40K
7:48 | 9:07/mi
25.2M
3:39:32
Rank: #16967 (-79)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
3:48:31
Rank: #16981 (-14)
25.2M → Finish
8:59 | 8:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:29
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time1:58:02
Pace9:00 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0326:188:2826:18
8:28
-
10K
6.21 mi11:47:0452:198:2526:01
8:22
-0:06
15K
9.32 mi12:13:101:18:258:2526:06
8:24
+0:02
20K
12.43 mi12:39:301:44:458:2626:20
8:29
+0:05
Half
13.11 mi12:45:141:50:298:265:44
8:24
-0:05
25K
15.53 mi13:05:522:11:078:2620:38
8:31
+0:07
30K
18.64 mi13:33:522:39:078:3228:00
9:01
+0:30
20M
20.00 mi13:46:072:51:228:3412:15
9:01
0:00
21M
21.00 mi13:56:373:01:528:4010:30
10:30
+1:29
35K
21.75 mi14:03:023:08:178:396:25
8:35
-1:55
23M
23.00 mi14:14:043:19:198:4011:02
8:49
+0:14
24M
24.00 mi14:22:423:27:578:408:38
8:38
-0:11
40K
24.85 mi14:30:303:35:458:417:48
9:07
+0:29
25.2M
25.20 mi14:34:173:39:328:433:47
10:58
+1:51
Finish
26.22 mi14:43:163:48:318:438:59
8:49
-2:09

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

8:22 /mi

Average Pace

8:43 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:46:11

73% of race

Time at Slower Pace

1:02:20

27% of race

Average Pace: 8:43 /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 mi11:21:0326:188:2826:18
8:28
#17304
10K
6.21 mi11:47:0452:198:2526:01
8:22
#17336
15K
9.32 mi12:13:101:18:258:2526:06
8:24
#17281
20K
12.43 mi12:39:301:44:458:2626:20
8:29
#17137
Half
13.11 mi12:45:141:50:298:265:44
8:24
#17138
25K
15.53 mi13:05:522:11:078:2620:38
8:31
#16976
30K
18.64 mi13:33:522:39:078:3228:00
9:01
#16980
20M
20.00 mi13:46:072:51:228:3412:15
9:01
#16938
21M
21.00 mi13:56:373:01:528:4010:30
10:30
#17156
35K
21.75 mi14:03:023:08:178:396:25
8:35
#17103
23M
23.00 mi14:14:043:19:198:4011:02
8:49
#16967
24M
24.00 mi14:22:423:27:578:408:38
8:38
#16900
40K
24.85 mi14:30:303:35:458:417:48
9:07
#16888
25.2M
25.20 mi14:34:173:39:328:433:47
10:58
#16967
Finish
26.22 mi14:43:163:48:318:438:59
8:49
#16981
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi17304111531115317147(Top 64%)11110(Top 73%)11110(Top 2024%)
10K6.21 mi3.10 mi17336-3211185-3211185-3217395(Top 65%)11254(Top 74%)11254(Top 2050%)
15K9.32 mi3.11 mi17281+5511177+811177+817147(Top 64%)11110(Top 73%)11110(Top 2024%)
20K12.43 mi3.11 mi17137+14411104+7311104+7316694(Top 63%)10921(Top 72%)10921(Top 1989%)
Half13.11 mi0.68 mi17138-111110-611110-617114(Top 64%)11123(Top 73%)11123(Top 2026%)
25K15.53 mi2.42 mi16976+16211027+8311027+8316255(Top 61%)10648(Top 70%)10648(Top 1940%)
30K18.64 mi3.11 mi16980-411009+1811009+1817229(Top 65%)11004(Top 73%)11004(Top 2004%)
20M20.00 mi1.36 mi16938+4210984+2510984+2516609(Top 62%)10667(Top 70%)10667(Top 1943%)
21M21.00 mi1.00 mi17156-21811052-6811052-6819585(Top 74%)11868(Top 78%)11868(Top 2162%)
35K21.75 mi0.75 mi17103+5311022+3011022+3015713(Top 59%)10168(Top 67%)10168(Top 1852%)
23M23.00 mi1.25 mi16967+13610942+8010942+8015049(Top 57%)9831(Top 65%)9831(Top 1791%)
24M24.00 mi1.00 mi16900+6710898+4410898+4415252(Top 57%)9861(Top 65%)9861(Top 1796%)
40K24.85 mi0.85 mi16888+1210872+2610872+2616710(Top 63%)10448(Top 69%)10448(Top 1903%)
25.2M25.20 mi0.35 mi16967-7910893-2110893-2120350(Top 76%)12077(Top 80%)12077(Top 2200%)
Finish26.22 mi1.02 mi16981-1410890+310890+317094(Top 64%)10651(Top 70%)10651(Top 1940%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

17147

Males

11110

M65-69

11110

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

17395

Males

11254

M65-69

11254

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

17147

Males

11110

M65-69

11110

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16694

Males

10921

M65-69

10921

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

17114

Males

11123

M65-69

11123

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

16255

Males

10648

M65-69

10648

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

17229

Males

11004

M65-69

11004

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16609

Males

10667

M65-69

10667

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19585

Males

11868

M65-69

11868

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15713

Males

10168

M65-69

10168

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15049

Males

9831

M65-69

9831

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

15252

Males

9861

M65-69

9861

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16710

Males

10448

M65-69

10448

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20350

Males

12077

M65-69

12077

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

17094

Males

10651

M65-69

10651

Passing Analysis

Category:
Athletes Passed
1740
Passed By
1417
Net Change
+323
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17304
5K → 10K302334-32#17304#17336
10K → 15K214159+55#17336#17281
15K → 20K24399+144#17281#17137
20K → Half2425-1#17137#17138
Half → 25K20341+162#17138#16976
25K → 30K175179-4#16976#16980
30K → 20M8745+42#16980#16938
20M → 21M35253-218#16938#17156
21M → 35K7421+53#17156#17103
35K → 23M16125+136#17103#16967
23M → 24M9225+67#16967#16900
24M → 40K6553+12#16900#16888
40K → 25.2M1089-79#16888#16967
25.2M → Finish5569-14#16967#16981
TOTALS17401417+323
📊

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