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BOSTON MARATHON 2023

Daniel Griffin

Bib: 13892•M

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:41
Rank: #15909
Start → 5K
25:41 | 8:16/mi
10K· 6.21 mi
51:06
Rank: #15978 (-69)
5K → 10K
25:25 | 8:11/mi
15K· 9.32 mi
1:16:39
Rank: #15988 (-10)
10K → 15K
25:33 | 8:13/mi
20K· 12.43 mi
1:42:16
Rank: #15777 (+211)
15K → 20K
25:37 | 8:15/mi
Half· 13.11 mi
1:47:50
Rank: #15755 (+22)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:07:54
Rank: #15565 (+190)
Half → 25K
20:04 | 8:17/mi
30K· 18.64 mi
2:33:59
Rank: #15191 (+374)
25K → 30K
26:05 | 8:24/mi
20M
2:45:21
Rank: #15015 (+176)
30K → 20M
11:22 | 8:22/mi
21M
2:53:48
Rank: #14736 (+279)
20M → 21M
8:27 | 8:27/mi
35K· 21.75 mi
2:59:40
Rank: #14593 (+143)
21M → 35K
5:52 | 7:51/mi
23M
3:09:48
Rank: #14336 (+257)
35K → 23M
10:08 | 8:06/mi
24M
3:17:20
Rank: #14035 (+301)
23M → 24M
7:32 | 7:32/mi
40K· 24.85 mi
3:23:43
Rank: #13739 (+296)
24M → 40K
6:23 | 7:28/mi
25.2M
3:26:21
Rank: #13564 (+175)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
3:33:24
Rank: #13161 (+403)
25.2M → Finish
7:03 | 6:55/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:47:50
Pace8:14 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:45:34
Pace8:03 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1225:418:1625:41
8:16
-
10K
6.21 mi11:19:3751:068:1325:25
8:11
-0:05
15K
9.32 mi11:45:101:16:398:1325:33
8:13
+0:02
20K
12.43 mi12:10:471:42:168:1425:37
8:15
+0:02
Half
13.11 mi12:16:211:47:508:145:34
8:10
-0:05
25K
15.53 mi12:36:252:07:548:1420:04
8:17
+0:07
30K
18.64 mi13:02:302:33:598:1626:05
8:24
+0:07
20M
20.00 mi13:13:522:45:218:1611:22
8:22
-0:02
21M
21.00 mi13:22:192:53:488:178:27
8:27
+0:05
35K
21.75 mi13:28:112:59:408:165:52
7:51
-0:36
23M
23.00 mi13:38:193:09:488:1510:08
8:06
+0:15
24M
24.00 mi13:45:513:17:208:137:32
7:32
-0:34
40K
24.85 mi13:52:143:23:438:126:23
7:28
-0:04
25.2M
25.20 mi13:54:523:26:218:112:38
7:38
+0:10
Finish
26.22 mi14:01:553:33:248:097:03
6:55
-0:43

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

6:55 /mi

Average Pace

8:09 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:28

14% of race

Time at Steady Pace

2:29:24

70% of race

Time at Slower Pace

34:32

16% of race

Average Pace: 8:08 /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 mi10:54:1225:418:1625:41
8:16
#15909
10K
6.21 mi11:19:3751:068:1325:25
8:11
#15978
15K
9.32 mi11:45:101:16:398:1325:33
8:13
#15988
20K
12.43 mi12:10:471:42:168:1425:37
8:15
#15777
Half
13.11 mi12:16:211:47:508:145:34
8:10
#15755
25K
15.53 mi12:36:252:07:548:1420:04
8:17
#15565
30K
18.64 mi13:02:302:33:598:1626:05
8:24
#15191
20M
20.00 mi13:13:522:45:218:1611:22
8:22
#15015
21M
21.00 mi13:22:192:53:488:178:27
8:27
#14736
35K
21.75 mi13:28:112:59:408:165:52
7:51
#14593
23M
23.00 mi13:38:193:09:488:1510:08
8:06
#14336
24M
24.00 mi13:45:513:17:208:137:32
7:32
#14035
40K
24.85 mi13:52:143:23:438:126:23
7:28
#13739
25.2M
25.20 mi13:54:523:26:218:112:38
7:38
#13564
Finish
26.22 mi14:01:553:33:248:097:03
6:55
#13161
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi15909106641066416008(Top 60%)10682(Top 70%)10682(Top 521%)
10K6.21 mi3.10 mi15978-6910688-2410688-2416100(Top 60%)10740(Top 71%)10740(Top 523%)
15K9.32 mi3.11 mi15988-1010693-510693-516008(Top 60%)10682(Top 70%)10682(Top 521%)
20K12.43 mi3.11 mi15777+21110591+10210591+10215223(Top 57%)10352(Top 68%)10352(Top 504%)
Half13.11 mi0.68 mi15755+2210580+1110580+1115435(Top 58%)10452(Top 69%)10452(Top 509%)
25K15.53 mi2.42 mi15565+19010476+10410476+10414766(Top 55%)10061(Top 66%)10061(Top 490%)
30K18.64 mi3.11 mi15191+37410291+18510291+18513662(Top 51%)9514(Top 63%)9514(Top 464%)
20M20.00 mi1.36 mi15015+17610212+7910212+7912772(Top 48%)9029(Top 59%)9029(Top 440%)
21M21.00 mi1.00 mi14736+27910084+12810084+12810178(Top 38%)7708(Top 51%)7708(Top 376%)
35K21.75 mi0.75 mi14593+14310016+6810016+6810955(Top 41%)8104(Top 53%)8104(Top 395%)
23M23.00 mi1.25 mi14336+2579882+1349882+13410400(Top 39%)7690(Top 51%)7690(Top 375%)
24M24.00 mi1.00 mi14035+3019744+1389744+1387943(Top 30%)6291(Top 41%)6291(Top 307%)
40K24.85 mi0.85 mi13739+2969614+1309614+1306513(Top 24%)5359(Top 35%)5359(Top 261%)
25.2M25.20 mi0.35 mi13564+1759538+769538+764612(Top 17%)4025(Top 27%)4025(Top 196%)
Finish26.22 mi1.02 mi13161+4039351+1879351+1874756(Top 18%)4111(Top 27%)4111(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

16008

Males

10682

M50-54

10682

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

16100

Males

10740

M50-54

10740

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

16008

Males

10682

M50-54

10682

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

15223

Males

10352

M50-54

10352

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15435

Males

10452

M50-54

10452

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14766

Males

10061

M50-54

10061

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

13662

Males

9514

M50-54

9514

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12772

Males

9029

M50-54

9029

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10178

Males

7708

M50-54

7708

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10955

Males

8104

M50-54

8104

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10400

Males

7690

M50-54

7690

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

7943

Males

6291

M50-54

6291

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6513

Males

5359

M50-54

5359

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4612

Males

4025

M50-54

4025

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4756

Males

4111

M50-54

4111

Passing Analysis

Category:
Athletes Passed
3470
Passed By
722
Net Change
+2748
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15909
5K → 10K259328-69#15909#15978
10K → 15K199209-10#15978#15988
15K → 20K28473+211#15988#15777
20K → Half4018+22#15777#15755
Half → 25K23848+190#15755#15565
25K → 30K40127+374#15565#15191
30K → 20M1848+176#15191#15015
20M → 21M2812+279#15015#14736
21M → 35K1463+143#14736#14593
35K → 23M2592+257#14593#14336
23M → 24M3021+301#14336#14035
24M → 40K2960+296#14035#13739
40K → 25.2M1750+175#13739#13564
25.2M → Finish4063+403#13564#13161
TOTALS3470722+2748
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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