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BOSTON MARATHON 2023

Daniel Griffin

Bib: 30291•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:16
Rank: #21844
Start → 5K
29:16 | 9:25/mi
10K· 6.21 mi
57:07
Rank: #21366 (+478)
5K → 10K
27:51 | 8:58/mi
15K· 9.32 mi
1:24:52
Rank: #21048 (+318)
10K → 15K
27:45 | 8:56/mi
20K· 12.43 mi
1:52:41
Rank: #20647 (+401)
15K → 20K
27:49 | 8:57/mi
Half· 13.11 mi
1:58:38
Rank: #20575 (+72)
20K → Half
5:57 | 8:43/mi
25K· 15.53 mi
2:20:30
Rank: #20340 (+235)
Half → 25K
21:52 | 9:01/mi
30K· 18.64 mi
2:49:58
Rank: #20143 (+197)
25K → 30K
29:28 | 9:29/mi
20M
3:03:06
Rank: #20071 (+72)
30K → 20M
13:08 | 9:40/mi
21M
3:13:43
Rank: #20049 (+22)
20M → 21M
10:37 | 10:37/mi
35K· 21.75 mi
3:20:31
Rank: #19977 (+72)
21M → 35K
6:48 | 9:05/mi
23M
3:32:23
Rank: #19874 (+103)
35K → 23M
11:52 | 9:29/mi
24M
3:41:27
Rank: #19776 (+98)
23M → 24M
9:04 | 9:04/mi
40K· 24.85 mi
3:49:36
Rank: #19729 (+47)
24M → 40K
8:09 | 9:32/mi
25.2M
3:53:20
Rank: #19734 (-5)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
4:03:26
Rank: #19818 (-84)
25.2M → Finish
10:06 | 9:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:38
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:04:48
Pace9:31 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0729:169:2529:16
9:25
-
10K
6.21 mi12:15:5857:079:1227:51
8:58
-0:27
15K
9.32 mi12:43:431:24:529:0627:45
8:56
-0:02
20K
12.43 mi13:11:321:52:419:0427:49
8:57
+0:01
Half
13.11 mi13:17:291:58:389:035:57
8:43
-0:14
25K
15.53 mi13:39:212:20:309:0321:52
9:01
+0:18
30K
18.64 mi14:08:492:49:589:0729:28
9:29
+0:28
20M
20.00 mi14:21:573:03:069:0913:08
9:40
+0:11
21M
21.00 mi14:32:343:13:439:1310:37
10:37
+0:57
35K
21.75 mi14:39:223:20:319:136:48
9:05
-1:32
23M
23.00 mi14:51:143:32:239:1411:52
9:29
+0:24
24M
24.00 mi15:00:183:41:279:149:04
9:04
-0:25
40K
24.85 mi15:08:273:49:369:148:09
9:32
+0:28
25.2M
25.20 mi15:12:113:53:209:163:44
10:50
+1:18
Finish
26.22 mi15:22:174:03:269:1710:06
9:55
-0:55

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

8:43 /mi

Average Pace

9:17 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:06

52% of race

Time at Steady Pace

1:31:53

38% of race

Time at Slower Pace

24:27

10% of race

Average Pace: 9:17 /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 mi11:48:0729:169:2529:16
9:25
#21844
10K
6.21 mi12:15:5857:079:1227:51
8:58
#21366
15K
9.32 mi12:43:431:24:529:0627:45
8:56
#21048
20K
12.43 mi13:11:321:52:419:0427:49
8:57
#20647
Half
13.11 mi13:17:291:58:389:035:57
8:43
#20575
25K
15.53 mi13:39:212:20:309:0321:52
9:01
#20340
30K
18.64 mi14:08:492:49:589:0729:28
9:29
#20143
20M
20.00 mi14:21:573:03:069:0913:08
9:40
#20071
21M
21.00 mi14:32:343:13:439:1310:37
10:37
#20049
35K
21.75 mi14:39:223:20:319:136:48
9:05
#19977
23M
23.00 mi14:51:143:32:239:1411:52
9:29
#19874
24M
24.00 mi15:00:183:41:279:149:04
9:04
#19776
40K
24.85 mi15:08:273:49:369:148:09
9:32
#19729
25.2M
25.20 mi15:12:113:53:209:163:44
10:50
#19734
Finish
26.22 mi15:22:174:03:269:1710:06
9:55
#19818
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21844130141301420182(Top 76%)12392(Top 82%)12392(Top 234%)
10K6.21 mi3.10 mi21366+47812835+17912835+17920726(Top 78%)12598(Top 83%)12598(Top 238%)
15K9.32 mi3.11 mi21048+31812713+12212713+12220182(Top 76%)12392(Top 82%)12392(Top 234%)
20K12.43 mi3.11 mi20647+40112547+16612547+16619475(Top 73%)12088(Top 80%)12088(Top 229%)
Half13.11 mi0.68 mi20575+7212518+2912518+2919041(Top 72%)11917(Top 79%)11917(Top 225%)
25K15.53 mi2.42 mi20340+23512421+9712421+9719047(Top 72%)11870(Top 78%)11870(Top 225%)
30K18.64 mi3.11 mi20143+19712314+10712314+10719371(Top 73%)11954(Top 79%)11954(Top 226%)
20M20.00 mi1.36 mi20071+7212266+4812266+4819439(Top 73%)11877(Top 78%)11877(Top 225%)
21M21.00 mi1.00 mi20049+2212254+1212254+1219918(Top 75%)12012(Top 79%)12012(Top 227%)
35K21.75 mi0.75 mi19977+7212219+3512219+3518266(Top 69%)11268(Top 74%)11268(Top 213%)
23M23.00 mi1.25 mi19874+10312161+5812161+5818257(Top 69%)11241(Top 74%)11241(Top 213%)
24M24.00 mi1.00 mi19776+9812121+4012121+4017535(Top 66%)10874(Top 72%)10874(Top 206%)
40K24.85 mi0.85 mi19729+4712085+3612085+3618435(Top 69%)11242(Top 74%)11242(Top 213%)
25.2M25.20 mi0.35 mi19734-512080+512080+520017(Top 75%)11925(Top 79%)11925(Top 226%)
Finish26.22 mi1.02 mi19818-8412113-3312113-3321499(Top 81%)12630(Top 83%)12630(Top 239%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

20182

Males

12392

M18-39

12392

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

20726

Males

12598

M18-39

12598

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

20182

Males

12392

M18-39

12392

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

19475

Males

12088

M18-39

12088

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19041

Males

11917

M18-39

11917

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

19047

Males

11870

M18-39

11870

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19371

Males

11954

M18-39

11954

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

19439

Males

11877

M18-39

11877

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

19918

Males

12012

M18-39

12012

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

18266

Males

11268

M18-39

11268

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

18257

Males

11241

M18-39

11241

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

17535

Males

10874

M18-39

10874

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18435

Males

11242

M18-39

11242

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20017

Males

11925

M18-39

11925

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

21499

Males

12630

M18-39

12630

Passing Analysis

Category:
Athletes Passed
2592
Passed By
566
Net Change
+2026
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21844
5K → 10K57395+478#21844#21366
10K → 15K37355+318#21366#21048
15K → 20K41918+401#21048#20647
20K → Half753+72#20647#20575
Half → 25K25621+235#20575#20340
25K → 30K24851+197#20340#20143
30K → 20M12351+72#20143#20071
20M → 21M9169+22#20071#20049
21M → 35K8311+72#20049#19977
35K → 23M12522+103#19977#19874
23M → 24M10911+98#19874#19776
24M → 40K7528+47#19776#19729
40K → 25.2M2025-5#19729#19734
25.2M → Finish22106-84#19734#19818
TOTALS2592566+2026
📊

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