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BOSTON MARATHON 2023

Ryan Rockafellow

Bib: 4594•M

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Division (M18-39)
#0 / 5285
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:27
Rank: #5573
Start → 5K
21:27 | 6:54/mi
10K· 6.21 mi
42:44
Rank: #5632 (-59)
5K → 10K
21:17 | 6:51/mi
15K· 9.32 mi
1:03:55
Rank: #5532 (+100)
10K → 15K
21:11 | 6:49/mi
20K· 12.43 mi
1:25:08
Rank: #5319 (+213)
15K → 20K
21:13 | 6:50/mi
Half· 13.11 mi
1:29:48
Rank: #5330 (-11)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:46:22
Rank: #5159 (+171)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:07:50
Rank: #4808 (+351)
25K → 30K
21:28 | 6:55/mi
20M
2:17:15
Rank: #4689 (+119)
30K → 20M
9:25 | 6:56/mi
21M
2:24:25
Rank: #4553 (+136)
20M → 21M
7:10 | 7:10/mi
35K· 21.75 mi
2:29:20
Rank: #4457 (+96)
21M → 35K
4:55 | 6:34/mi
23M
2:37:36
Rank: #4199 (+258)
35K → 23M
8:16 | 6:36/mi
24M
2:44:03
Rank: #4046 (+153)
23M → 24M
6:27 | 6:27/mi
40K· 24.85 mi
2:49:45
Rank: #3945 (+101)
24M → 40K
5:42 | 6:40/mi
25.2M
2:52:11
Rank: #3872 (+73)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:58:36
Rank: #3702 (+170)
25.2M → Finish
6:25 | 6:18/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:29:48
Pace6:51 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:28:48
Pace6:46 /mi
📊Negative Split: 1.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4221:276:5421:27
6:54
-
10K
6.21 mi10:44:5942:446:5321:17
6:51
-0:03
15K
9.32 mi11:06:101:03:556:5121:11
6:49
-0:02
20K
12.43 mi11:27:231:25:086:5121:13
6:50
+0:01
Half
13.11 mi11:32:031:29:486:514:40
6:50
0:00
25K
15.53 mi11:48:371:46:226:5116:34
6:50
0:00
30K
18.64 mi12:10:052:07:506:5121:28
6:55
+0:05
20M
20.00 mi12:19:302:17:156:529:25
6:56
+0:01
21M
21.00 mi12:26:402:24:256:537:10
7:10
+0:14
35K
21.75 mi12:31:352:29:206:524:55
6:34
-0:36
23M
23.00 mi12:39:512:37:366:518:16
6:36
+0:02
24M
24.00 mi12:46:182:44:036:506:27
6:27
-0:09
40K
24.85 mi12:52:002:49:456:505:42
6:40
+0:13
25.2M
25.20 mi12:54:262:52:116:502:26
7:03
+0:23
Finish
26.22 mi13:00:512:58:366:496:25
6:18
-0:45

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

6:18 /mi

Average Pace

6:49 /mi

Slowest Pace

7:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:35

89% of race

Time at Steady Pace

19:01

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:23:4221:276:5421:27
6:54
#5573
10K
6.21 mi10:44:5942:446:5321:17
6:51
#5632
15K
9.32 mi11:06:101:03:556:5121:11
6:49
#5532
20K
12.43 mi11:27:231:25:086:5121:13
6:50
#5319
Half
13.11 mi11:32:031:29:486:514:40
6:50
#5330
25K
15.53 mi11:48:371:46:226:5116:34
6:50
#5159
30K
18.64 mi12:10:052:07:506:5121:28
6:55
#4808
20M
20.00 mi12:19:302:17:156:529:25
6:56
#4689
21M
21.00 mi12:26:402:24:256:537:10
7:10
#4553
35K
21.75 mi12:31:352:29:206:524:55
6:34
#4457
23M
23.00 mi12:39:512:37:366:518:16
6:36
#4199
24M
24.00 mi12:46:182:44:036:506:27
6:27
#4046
40K
24.85 mi12:52:002:49:456:505:42
6:40
#3945
25.2M
25.20 mi12:54:262:52:116:502:26
7:03
#3872
Finish
26.22 mi13:00:512:58:366:496:25
6:18
#3702
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5573513251325274(Top 20%)4871(Top 32%)4871(Top 92%)
10K6.21 mi3.10 mi5632-595184-525184-525732(Top 22%)5244(Top 35%)5244(Top 99%)
15K9.32 mi3.11 mi5532+1005097+875097+875274(Top 20%)4871(Top 32%)4871(Top 92%)
20K12.43 mi3.11 mi5319+2134921+1764921+1764694(Top 18%)4366(Top 29%)4366(Top 83%)
Half13.11 mi0.68 mi5330-114935-144935-145503(Top 21%)5063(Top 33%)5063(Top 96%)
25K15.53 mi2.42 mi5159+1714783+1524783+1524412(Top 17%)4110(Top 27%)4110(Top 78%)
30K18.64 mi3.11 mi4808+3514474+3094474+3093717(Top 14%)3489(Top 23%)3489(Top 66%)
20M20.00 mi1.36 mi4689+1194372+1024372+1023592(Top 13%)3351(Top 22%)3351(Top 63%)
21M21.00 mi1.00 mi4553+1364245+1274245+1272935(Top 11%)2752(Top 18%)2752(Top 52%)
35K21.75 mi0.75 mi4457+964156+894156+892859(Top 11%)2686(Top 18%)2686(Top 51%)
23M23.00 mi1.25 mi4199+2583930+2263930+2261792(Top 7%)1701(Top 11%)1701(Top 32%)
24M24.00 mi1.00 mi4046+1533789+1413789+1411911(Top 7%)1797(Top 12%)1797(Top 34%)
40K24.85 mi0.85 mi3945+1013693+963693+962212(Top 8%)2063(Top 14%)2063(Top 39%)
25.2M25.20 mi0.35 mi3872+733633+603633+601966(Top 7%)1849(Top 12%)1849(Top 35%)
Finish26.22 mi1.02 mi3702+1703477+1563477+1561642(Top 6%)1547(Top 10%)1547(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5274

Males

4871

M18-39

4871

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5732

Males

5244

M18-39

5244

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5274

Males

4871

M18-39

4871

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4694

Males

4366

M18-39

4366

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5503

Males

5063

M18-39

5063

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4412

Males

4110

M18-39

4110

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3717

Males

3489

M18-39

3489

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3592

Males

3351

M18-39

3351

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2935

Males

2752

M18-39

2752

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2859

Males

2686

M18-39

2686

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1792

Males

1701

M18-39

1701

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1911

Males

1797

M18-39

1797

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2212

Males

2063

M18-39

2063

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1966

Males

1849

M18-39

1849

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1642

Males

1547

M18-39

1547

Passing Analysis

Category:
Athletes Passed
2298
Passed By
427
Net Change
+1871
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5573
5K → 10K174233-59#5573#5632
10K → 15K17777+100#5632#5532
15K → 20K22916+213#5532#5319
20K → Half1324-11#5319#5330
Half → 25K19322+171#5330#5159
25K → 30K36413+351#5159#4808
30K → 20M13011+119#4808#4689
20M → 21M1459+136#4689#4553
21M → 35K1015+96#4553#4457
35K → 23M2591+258#4457#4199
23M → 24M1563+153#4199#4046
24M → 40K1098+101#4046#3945
40K → 25.2M752+73#3945#3872
25.2M → Finish1733+170#3872#3702
TOTALS2298427+1871
📊

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