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BOSTON MARATHON 2023

Ross Rocklin

Bib: 8977•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
Masters (Masters Men)
#0 / 9891
Top 12%
Division (M40-44)
#0 / 2241
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:46
Rank: #3528
Start → 5K
20:46 | 6:41/mi
10K· 6.21 mi
41:32
Rank: #3813 (-285)
5K → 10K
20:46 | 6:41/mi
15K· 9.32 mi
1:02:32
Rank: #4105 (-292)
10K → 15K
21:00 | 6:46/mi
20K· 12.43 mi
1:23:42
Rank: #4206 (-101)
15K → 20K
21:10 | 6:49/mi
Half· 13.11 mi
1:28:16
Rank: #4199 (+7)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:45:04
Rank: #4360 (-161)
Half → 25K
16:48 | 6:56/mi
30K· 18.64 mi
2:06:44
Rank: #4305 (+55)
25K → 30K
21:40 | 6:58/mi
20M
2:16:20
Rank: #4294 (+11)
30K → 20M
9:36 | 7:04/mi
21M
2:23:45
Rank: #4263 (+31)
20M → 21M
7:25 | 7:25/mi
35K· 21.75 mi
2:28:46
Rank: #4220 (+43)
21M → 35K
5:01 | 6:42/mi
23M
2:37:36
Rank: #4201 (+19)
35K → 23M
8:50 | 7:03/mi
24M
2:44:28
Rank: #4216 (-15)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:50:34
Rank: #4209 (+7)
24M → 40K
6:06 | 7:08/mi
25.2M
2:53:12
Rank: #4220 (-11)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:59:58
Rank: #4184 (+36)
25.2M → Finish
6:46 | 6:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:16
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:31:42
Pace7:00 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:0320:466:4120:46
6:41
-
10K
6.21 mi11:06:4941:326:4120:46
6:41
0:00
15K
9.32 mi11:27:491:02:326:4321:00
6:46
+0:05
20K
12.43 mi11:48:591:23:426:4421:10
6:49
+0:03
Half
13.11 mi11:53:331:28:166:444:34
6:42
-0:07
25K
15.53 mi12:10:211:45:046:4616:48
6:56
+0:14
30K
18.64 mi12:32:012:06:446:4821:40
6:58
+0:02
20M
20.00 mi12:41:372:16:206:499:36
7:04
+0:06
21M
21.00 mi12:49:022:23:456:517:25
7:25
+0:21
35K
21.75 mi12:54:032:28:466:505:01
6:42
-0:43
23M
23.00 mi13:02:532:37:366:518:50
7:03
+0:21
24M
24.00 mi13:09:452:44:286:516:52
6:52
-0:11
40K
24.85 mi13:15:512:50:346:526:06
7:08
+0:16
25.2M
25.20 mi13:18:292:53:126:522:38
7:38
+0:30
Finish
26.22 mi13:25:152:59:586:526:46
6:38
-1:00

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

6:38 /mi

Average Pace

6:52 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:55

94% of race

Time at Steady Pace

10:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:46:0320:466:4120:46
6:41
#3528
10K
6.21 mi11:06:4941:326:4120:46
6:41
#3813
15K
9.32 mi11:27:491:02:326:4321:00
6:46
#4105
20K
12.43 mi11:48:591:23:426:4421:10
6:49
#4206
Half
13.11 mi11:53:331:28:166:444:34
6:42
#4199
25K
15.53 mi12:10:211:45:046:4616:48
6:56
#4360
30K
18.64 mi12:32:012:06:446:4821:40
6:58
#4305
20M
20.00 mi12:41:372:16:206:499:36
7:04
#4294
21M
21.00 mi12:49:022:23:456:517:25
7:25
#4263
35K
21.75 mi12:54:032:28:466:505:01
6:42
#4220
23M
23.00 mi13:02:532:37:366:518:50
7:03
#4201
24M
24.00 mi13:09:452:44:286:516:52
6:52
#4216
40K
24.85 mi13:15:512:50:346:526:06
7:08
#4209
25.2M
25.20 mi13:18:292:53:126:522:38
7:38
#4220
Finish
26.22 mi13:25:152:59:586:526:46
6:38
#4184
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3528332633264693(Top 18%)4378(Top 29%)4378(Top 195%)
10K6.21 mi3.10 mi3813-2853592-2663592-2664195(Top 16%)3933(Top 26%)3933(Top 176%)
15K9.32 mi3.11 mi4105-2923859-2673859-2674693(Top 18%)4378(Top 29%)4378(Top 195%)
20K12.43 mi3.11 mi4206-1013945-863945-864542(Top 17%)4231(Top 28%)4231(Top 189%)
Half13.11 mi0.68 mi4199+73936+93936+94271(Top 16%)3995(Top 26%)3995(Top 178%)
25K15.53 mi2.42 mi4360-1614081-1454081-1455129(Top 19%)4732(Top 31%)4732(Top 211%)
30K18.64 mi3.11 mi4305+554034+474034+474169(Top 16%)3889(Top 26%)3889(Top 174%)
20M20.00 mi1.36 mi4294+114019+154019+154401(Top 17%)4050(Top 27%)4050(Top 181%)
21M21.00 mi1.00 mi4263+313987+323987+324188(Top 16%)3840(Top 25%)3840(Top 171%)
35K21.75 mi0.75 mi4220+433949+383949+383612(Top 14%)3346(Top 22%)3346(Top 149%)
23M23.00 mi1.25 mi4201+193932+173932+174049(Top 15%)3725(Top 25%)3725(Top 166%)
24M24.00 mi1.00 mi4216-153946-143946-144010(Top 15%)3658(Top 24%)3658(Top 163%)
40K24.85 mi0.85 mi4209+73936+103936+104522(Top 17%)4004(Top 26%)4004(Top 179%)
25.2M25.20 mi0.35 mi4220-113947-113947-114510(Top 17%)3923(Top 26%)3923(Top 175%)
Finish26.22 mi1.02 mi4184+363911+363911+363205(Top 12%)2882(Top 19%)2882(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4693

Males

4378

M40-44

4378

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4195

Males

3933

M40-44

3933

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4693

Males

4378

M40-44

4378

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4542

Males

4231

M40-44

4231

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4271

Males

3995

M40-44

3995

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5129

Males

4732

M40-44

4732

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4169

Males

3889

M40-44

3889

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4401

Males

4050

M40-44

4050

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4188

Males

3840

M40-44

3840

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3612

Males

3346

M40-44

3346

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4049

Males

3725

M40-44

3725

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4010

Males

3658

M40-44

3658

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4522

Males

4004

M40-44

4004

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4510

Males

3923

M40-44

3923

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3205

Males

2882

M40-44

2882

Passing Analysis

Category:
Athletes Passed
875
Passed By
1531
Net Change
-656
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3528
5K → 10K109394-285#3528#3813
10K → 15K43335-292#3813#4105
15K → 20K60161-101#4105#4206
20K → Half2720+7#4206#4199
Half → 25K43204-161#4199#4360
25K → 30K13984+55#4360#4305
30K → 20M6251+11#4305#4294
20M → 21M8352+31#4294#4263
21M → 35K5512+43#4263#4220
35K → 23M7455+19#4220#4201
23M → 24M4560-15#4201#4216
24M → 40K5952+7#4216#4209
40K → 25.2M1526-11#4209#4220
25.2M → Finish6125+36#4220#4184
TOTALS8751531-656
📊

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