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BOSTON MARATHON 2023

Randy Griffin

Bib: 3470•M

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0:00
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 24%
Division (M18-39)
#0 / 5285
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:42
Rank: #3339
Start → 5K
20:42 | 6:40/mi
10K· 6.21 mi
40:52
Rank: #2982 (+357)
5K → 10K
20:10 | 6:29/mi
15K· 9.32 mi
1:01:27
Rank: #3151 (-169)
10K → 15K
20:35 | 6:38/mi
20K· 12.43 mi
1:21:32
Rank: #2805 (+346)
15K → 20K
20:05 | 6:28/mi
Half· 13.11 mi
1:25:58
Rank: #2794 (+11)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:42:01
Rank: #2789 (+5)
Half → 25K
16:03 | 6:37/mi
30K· 18.64 mi
2:03:06
Rank: #2767 (+22)
25K → 30K
21:05 | 6:47/mi
20M
2:13:35
Rank: #3147 (-380)
30K → 20M
10:29 | 7:43/mi
21M
2:21:20
Rank: #3299 (-152)
20M → 21M
7:45 | 7:45/mi
35K· 21.75 mi
2:26:24
Rank: #3309 (-10)
21M → 35K
5:04 | 6:46/mi
23M
2:35:31
Rank: #3430 (-121)
35K → 23M
9:07 | 7:17/mi
24M
2:43:04
Rank: #3672 (-242)
23M → 24M
7:33 | 7:33/mi
40K· 24.85 mi
2:49:15
Rank: #3741 (-69)
24M → 40K
6:11 | 7:14/mi
25.2M
2:51:56
Rank: #3779 (-38)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
2:58:52
Rank: #3805 (-26)
25.2M → Finish
6:56 | 6:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:58
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:32:54
Pace7:05 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5020:426:4020:42
6:40
-
10K
6.21 mi10:42:0040:526:3520:10
6:29
-0:11
15K
9.32 mi11:02:351:01:276:3620:35
6:38
+0:09
20K
12.43 mi11:22:401:21:326:3420:05
6:28
-0:10
Half
13.11 mi11:27:061:25:586:334:26
6:30
+0:02
25K
15.53 mi11:43:091:42:016:3416:03
6:37
+0:07
30K
18.64 mi12:04:142:03:066:3621:05
6:47
+0:10
20M
20.00 mi12:14:432:13:356:4110:29
7:43
+0:56
21M
21.00 mi12:22:282:21:206:447:45
7:45
+0:02
35K
21.75 mi12:27:322:26:246:445:04
6:46
-0:59
23M
23.00 mi12:36:392:35:316:469:07
7:17
+0:31
24M
24.00 mi12:44:122:43:046:487:33
7:33
+0:16
40K
24.85 mi12:50:232:49:156:496:11
7:14
-0:19
25.2M
25.20 mi12:53:042:51:566:492:41
7:47
+0:33
Finish
26.22 mi13:00:002:58:526:506:56
6:48
-0:59

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

6:28 /mi

Average Pace

6:50 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

44:41

25% of race

Time at Steady Pace

1:30:25

51% of race

Time at Slower Pace

43:46

24% 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 mi10:21:5020:426:4020:42
6:40
#3339
10K
6.21 mi10:42:0040:526:3520:10
6:29
#2982
15K
9.32 mi11:02:351:01:276:3620:35
6:38
#3151
20K
12.43 mi11:22:401:21:326:3420:05
6:28
#2805
Half
13.11 mi11:27:061:25:586:334:26
6:30
#2794
25K
15.53 mi11:43:091:42:016:3416:03
6:37
#2789
30K
18.64 mi12:04:142:03:066:3621:05
6:47
#2767
20M
20.00 mi12:14:432:13:356:4110:29
7:43
#3147
21M
21.00 mi12:22:282:21:206:447:45
7:45
#3299
35K
21.75 mi12:27:322:26:246:445:04
6:46
#3309
23M
23.00 mi12:36:392:35:316:469:07
7:17
#3430
24M
24.00 mi12:44:122:43:046:487:33
7:33
#3672
40K
24.85 mi12:50:232:49:156:496:11
7:14
#3741
25.2M
25.20 mi12:53:042:51:566:492:41
7:47
#3779
Finish
26.22 mi13:00:002:58:526:506:56
6:48
#3805
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3339315131513513(Top 13%)3327(Top 22%)3327(Top 63%)
10K6.21 mi3.10 mi2982+3572845+3062845+3062733(Top 10%)2614(Top 17%)2614(Top 49%)
15K9.32 mi3.11 mi3151-1693001-1563001-1563513(Top 13%)3327(Top 22%)3327(Top 63%)
20K12.43 mi3.11 mi2805+3462681+3202681+3202110(Top 8%)2025(Top 13%)2025(Top 38%)
Half13.11 mi0.68 mi2794+112673+82673+82823(Top 11%)2707(Top 18%)2707(Top 51%)
25K15.53 mi2.42 mi2789+52666+72666+72827(Top 11%)2703(Top 18%)2703(Top 51%)
30K18.64 mi3.11 mi2767+222645+212645+212897(Top 11%)2747(Top 18%)2747(Top 52%)
20M20.00 mi1.36 mi3147-3802991-3462991-3468252(Top 31%)6737(Top 44%)6737(Top 127%)
21M21.00 mi1.00 mi3299-1523126-1353126-1355857(Top 22%)5084(Top 34%)5084(Top 96%)
35K21.75 mi0.75 mi3309-103134-83134-83994(Top 15%)3669(Top 24%)3669(Top 69%)
23M23.00 mi1.25 mi3430-1213246-1123246-1125190(Top 19%)4598(Top 30%)4598(Top 87%)
24M24.00 mi1.00 mi3672-2423462-2163462-2167987(Top 30%)6295(Top 41%)6295(Top 119%)
40K24.85 mi0.85 mi3741-693517-553517-555029(Top 19%)4359(Top 29%)4359(Top 82%)
25.2M25.20 mi0.35 mi3779-383552-353552-355214(Top 20%)4394(Top 29%)4394(Top 83%)
Finish26.22 mi1.02 mi3805-263572-203572-204077(Top 15%)3598(Top 24%)3598(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3513

Males

3327

M18-39

3327

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2733

Males

2614

M18-39

2614

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3513

Males

3327

M18-39

3327

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2110

Males

2025

M18-39

2025

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2823

Males

2707

M18-39

2707

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2827

Males

2703

M18-39

2703

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2897

Males

2747

M18-39

2747

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8252

Males

6737

M18-39

6737

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5857

Males

5084

M18-39

5084

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

3994

Males

3669

M18-39

3669

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5190

Males

4598

M18-39

4598

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

7987

Males

6295

M18-39

6295

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5029

Males

4359

M18-39

4359

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5214

Males

4394

M18-39

4394

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4077

Males

3598

M18-39

3598

Passing Analysis

Category:
Athletes Passed
1106
Passed By
1572
Net Change
-466
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3339
5K → 10K39841+357#3339#2982
10K → 15K37206-169#2982#3151
15K → 20K3515+346#3151#2805
20K → Half198+11#2805#2794
Half → 25K6156+5#2794#2789
25K → 30K8260+22#2789#2767
30K → 20M5385-380#2767#3147
20M → 21M16168-152#3147#3299
21M → 35K2232-10#3299#3309
35K → 23M33154-121#3309#3430
23M → 24M4246-242#3430#3672
24M → 40K2998-69#3672#3741
40K → 25.2M1149-38#3741#3779
25.2M → Finish3864-26#3779#3805
TOTALS11061572-466
📊

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