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BOSTON MARATHON 2023

Ivan Chittenden

Bib: 25215•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:17
Rank: #19358
Start → 5K
27:17 | 8:47/mi
10K· 6.21 mi
54:51
Rank: #19818 (-460)
5K → 10K
27:34 | 8:52/mi
15K· 9.32 mi
1:22:35
Rank: #19919 (-101)
10K → 15K
27:44 | 8:56/mi
20K· 12.43 mi
1:50:59
Rank: #20012 (-93)
15K → 20K
28:24 | 9:08/mi
Half· 13.11 mi
1:57:12
Rank: #20079 (-67)
20K → Half
6:13 | 9:07/mi
25K· 15.53 mi
2:20:12
Rank: #20240 (-161)
Half → 25K
23:00 | 9:29/mi
30K· 18.64 mi
2:50:52
Rank: #20325 (-85)
25K → 30K
30:40 | 9:52/mi
20M
3:05:08
Rank: #20462 (-137)
30K → 20M
14:16 | 10:30/mi
21M
3:15:38
Rank: #20388 (+74)
20M → 21M
10:30 | 10:30/mi
35K· 21.75 mi
3:22:51
Rank: #20371 (+17)
21M → 35K
7:13 | 9:39/mi
23M
3:35:07
Rank: #20311 (+60)
35K → 23M
12:16 | 9:48/mi
24M
3:44:43
Rank: #20279 (+32)
23M → 24M
9:36 | 9:36/mi
40K· 24.85 mi
3:53:13
Rank: #20245 (+34)
24M → 40K
8:30 | 9:56/mi
25.2M
3:56:52
Rank: #20230 (+15)
40K → 25.2M
3:39 | 10:35/mi
Finish· 26.22 mi
4:06:46
Rank: #20243 (-13)
25.2M → Finish
9:54 | 9:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:12
Pace8:56 /mi
2nd Half
Distance13.11 mi
Time2:09:34
Pace9:53 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:5827:178:4727:17
8:47
-
10K
6.21 mi12:10:3254:518:5027:34
8:52
+0:05
15K
9.32 mi12:38:161:22:358:5227:44
8:56
+0:04
20K
12.43 mi13:06:401:50:598:5628:24
9:08
+0:12
Half
13.11 mi13:12:531:57:128:566:13
9:07
-0:01
25K
15.53 mi13:35:532:20:129:0223:00
9:29
+0:22
30K
18.64 mi14:06:332:50:529:1030:40
9:52
+0:23
20M
20.00 mi14:20:493:05:089:1514:16
10:30
+0:38
21M
21.00 mi14:31:193:15:389:1910:30
10:30
0:00
35K
21.75 mi14:38:323:22:519:207:13
9:39
-0:51
23M
23.00 mi14:50:483:35:079:2112:16
9:48
+0:09
24M
24.00 mi15:00:243:44:439:229:36
9:36
-0:12
40K
24.85 mi15:08:543:53:139:238:30
9:56
+0:20
25.2M
25.20 mi15:12:333:56:529:243:39
10:35
+0:39
Finish
26.22 mi15:22:274:06:469:259:54
9:43
-0:52

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

8:47 /mi

Average Pace

9:25 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:12

47% of race

Time at Steady Pace

1:41:09

41% of race

Time at Slower Pace

28:25

12% of race

Average Pace: 9:25 /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 mi11:42:5827:178:4727:17
8:47
#19358
10K
6.21 mi12:10:3254:518:5027:34
8:52
#19818
15K
9.32 mi12:38:161:22:358:5227:44
8:56
#19919
20K
12.43 mi13:06:401:50:598:5628:24
9:08
#20012
Half
13.11 mi13:12:531:57:128:566:13
9:07
#20079
25K
15.53 mi13:35:532:20:129:0223:00
9:29
#20240
30K
18.64 mi14:06:332:50:529:1030:40
9:52
#20325
20M
20.00 mi14:20:493:05:089:1514:16
10:30
#20462
21M
21.00 mi14:31:193:15:389:1910:30
10:30
#20388
35K
21.75 mi14:38:323:22:519:207:13
9:39
#20371
23M
23.00 mi14:50:483:35:079:2112:16
9:48
#20311
24M
24.00 mi15:00:243:44:439:229:36
9:36
#20279
40K
24.85 mi15:08:543:53:139:238:30
9:56
#20245
25.2M
25.20 mi15:12:333:56:529:243:39
10:35
#20230
Finish
26.22 mi15:22:274:06:469:259:54
9:43
#20243
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19358119251192520164(Top 76%)12383(Top 82%)12383(Top 1116%)
10K6.21 mi3.10 mi19818-46012135-21012135-21020298(Top 76%)12410(Top 82%)12410(Top 1118%)
15K9.32 mi3.11 mi19919-10112210-7512210-7520164(Top 76%)12383(Top 82%)12383(Top 1116%)
20K12.43 mi3.11 mi20012-9312262-5212262-5220318(Top 76%)12446(Top 82%)12446(Top 1121%)
Half13.11 mi0.68 mi20079-6712299-3712299-3720847(Top 78%)12666(Top 83%)12666(Top 1141%)
25K15.53 mi2.42 mi20240-16112379-8012379-8020784(Top 78%)12603(Top 83%)12603(Top 1135%)
30K18.64 mi3.11 mi20325-8512393-1412393-1420676(Top 78%)12504(Top 82%)12504(Top 1126%)
20M20.00 mi1.36 mi20462-13712444-5112444-5121747(Top 82%)12880(Top 85%)12880(Top 1160%)
21M21.00 mi1.00 mi20388+7412396+4812396+4819580(Top 74%)11863(Top 78%)11863(Top 1069%)
35K21.75 mi0.75 mi20371+1712381+1512381+1520282(Top 76%)12156(Top 80%)12156(Top 1095%)
23M23.00 mi1.25 mi20311+6012345+3612345+3619420(Top 73%)11760(Top 77%)11760(Top 1059%)
24M24.00 mi1.00 mi20279+3212321+2412321+2419555(Top 73%)11793(Top 78%)11793(Top 1062%)
40K24.85 mi0.85 mi20245+3412295+2612295+2619803(Top 74%)11833(Top 78%)11833(Top 1066%)
25.2M25.20 mi0.35 mi20230+1512286+912286+919339(Top 73%)11630(Top 77%)11630(Top 1048%)
Finish26.22 mi1.02 mi20243-1312284+212284+220834(Top 78%)12333(Top 81%)12333(Top 1111%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

20164

Males

12383

M60-64

12383

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

20298

Males

12410

M60-64

12410

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

20164

Males

12383

M60-64

12383

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

20318

Males

12446

M60-64

12446

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

20847

Males

12666

M60-64

12666

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20784

Males

12603

M60-64

12603

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

20676

Males

12504

M60-64

12504

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

21747

Males

12880

M60-64

12880

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19580

Males

11863

M60-64

11863

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20282

Males

12156

M60-64

12156

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

19420

Males

11760

M60-64

11760

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

19555

Males

11793

M60-64

11793

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19803

Males

11833

M60-64

11833

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19339

Males

11630

M60-64

11630

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20834

Males

12333

M60-64

12333

Passing Analysis

Category:
Athletes Passed
1133
Passed By
2018
Net Change
-885
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19358
5K → 10K143603-460#19358#19818
10K → 15K140241-101#19818#19919
15K → 20K149242-93#19919#20012
20K → Half1582-67#20012#20079
Half → 25K89250-161#20079#20240
25K → 30K119204-85#20240#20325
30K → 20M39176-137#20325#20462
20M → 21M11238+74#20462#20388
21M → 35K6144+17#20388#20371
35K → 23M9434+60#20371#20311
23M → 24M5927+32#20311#20279
24M → 40K5723+34#20279#20245
40K → 25.2M205+15#20245#20230
25.2M → Finish3649-13#20230#20243
TOTALS11332018-885
📊

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