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BOSTON MARATHON 2023

Gary Gregg

Bib: 14556•M

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/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Top 9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:57/mi
24:41
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
49:51
↑ 79↓ 1380.4%
15K· 9.32 mi
8:04/mi
1:14:55
↑ 67↓ 78
20K· 12.43 mi
8:18/mi
1:40:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:46:11
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
2:06:04
↑ 66↓ 880.2%
30K· 18.64 mi
8:25/mi
2:32:13
↑ 181↓ 1480.2%
20M
8:31/mi
2:43:47
↑ 64↓ 500.2%
21M
8:45/mi
2:52:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
2:58:36
↑ 17↓ 861.7%
23M
8:19/mi
3:09:01
↑ 23↓ 630.6%
24M
8:06/mi
3:17:07
↓ 821.3%
40K· 24.85 mi
8:04/mi
3:24:01
↓ 200.3%
25.2M
8:54/mi
3:27:05
↑ 13↓ 160.2%
Finish· 26.22 mi
7:34/mi
3:34:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:11
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:48:37
Pace8:17 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5124:417:5724:41
7:57
-
10K
6.21 mi11:19:0149:518:0125:10
8:06
+0:09
15K
9.32 mi11:44:051:14:558:0225:04
8:04
-0:02
20K
12.43 mi12:09:511:40:418:0625:46
8:18
+0:14
Half
13.11 mi12:15:211:46:118:065:30
8:04
-0:14
25K
15.53 mi12:35:142:06:048:0719:53
8:12
+0:08
30K
18.64 mi13:01:232:32:138:1026:09
8:25
+0:13
20M
20.00 mi13:12:572:43:478:1111:34
8:31
+0:06
21M
21.00 mi13:21:422:52:328:138:45
8:45
+0:14
35K
21.75 mi13:27:462:58:368:136:04
8:07
-0:38
23M
23.00 mi13:38:113:09:018:1310:25
8:19
+0:12
24M
24.00 mi13:46:173:17:078:138:06
8:06
-0:13
40K
24.85 mi13:53:113:24:018:126:54
8:04
-0:02
25.2M
25.20 mi13:56:153:27:058:133:04
8:54
+0:50
Finish
26.22 mi14:03:583:34:488:127:43
7:34
-1:20

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

7:34 /mi

Average Pace

8:12 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:16

77% of race

Time at Steady Pace

49:32

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /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 mi10:53:5124:417:5724:41
7:57
#13609
10K
6.21 mi11:19:0149:518:0125:10
8:06
#14534
15K
9.32 mi11:44:051:14:558:0225:04
8:04
#14630
20K
12.43 mi12:09:511:40:418:0625:46
8:18
#14873
Half
13.11 mi12:15:211:46:118:065:30
8:04
#14876
25K
15.53 mi12:35:142:06:048:0719:53
8:12
#14750
30K
18.64 mi13:01:232:32:138:1026:09
8:25
#14556
20M
20.00 mi13:12:572:43:478:1111:34
8:31
#14471
21M
21.00 mi13:21:422:52:328:138:45
8:45
#14325
35K
21.75 mi13:27:462:58:368:136:04
8:07
#14252
23M
23.00 mi13:38:113:09:018:1310:25
8:19
#14079
24M
24.00 mi13:46:173:17:078:138:06
8:06
#13967
40K
24.85 mi13:53:113:24:018:126:54
8:04
#13828
25.2M
25.20 mi13:56:153:27:058:133:04
8:54
#13794
Finish
26.22 mi14:03:583:34:488:127:43
7:34
#13579
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi136099804980414934(Top 56%)10272(Top 68%)10272(Top 1871%)
10K6.21 mi3.10 mi14534-92510152-34810152-34815505(Top 58%)10521(Top 69%)10521(Top 1916%)
15K9.32 mi3.11 mi14630-9610176-2410176-2414934(Top 56%)10272(Top 68%)10272(Top 1871%)
20K12.43 mi3.11 mi14873-24310253-7710253-7715561(Top 58%)10469(Top 69%)10469(Top 1907%)
Half13.11 mi0.68 mi14876-310248+510248+514782(Top 56%)10199(Top 67%)10199(Top 1858%)
25K15.53 mi2.42 mi14750+12610177+7110177+7114222(Top 53%)9855(Top 65%)9855(Top 1795%)
30K18.64 mi3.11 mi14556+19410058+11910058+11913785(Top 52%)9565(Top 63%)9565(Top 1742%)
20M20.00 mi1.36 mi14471+859991+679991+6713684(Top 51%)9436(Top 62%)9436(Top 1719%)
21M21.00 mi1.00 mi14325+1469907+849907+8411954(Top 45%)8571(Top 56%)8571(Top 1561%)
35K21.75 mi0.75 mi14252+739871+369871+3612826(Top 48%)8913(Top 59%)8913(Top 1623%)
23M23.00 mi1.25 mi14079+1739785+869785+8612024(Top 45%)8484(Top 56%)8484(Top 1545%)
24M24.00 mi1.00 mi13967+1129714+719714+7111931(Top 45%)8372(Top 55%)8372(Top 1525%)
40K24.85 mi0.85 mi13828+1399642+729642+7210507(Top 39%)7619(Top 50%)7619(Top 1388%)
25.2M25.20 mi0.35 mi13794+349624+189624+1811862(Top 45%)8205(Top 54%)8205(Top 1495%)
Finish26.22 mi1.02 mi13579+2159529+959529+959092(Top 34%)6809(Top 45%)6809(Top 1240%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14934

Males

10272

M65-69

10272

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15505

Males

10521

M65-69

10521

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14934

Males

10272

M65-69

10272

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15561

Males

10469

M65-69

10469

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14782

Males

10199

M65-69

10199

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14222

Males

9855

M65-69

9855

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13785

Males

9565

M65-69

9565

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

13684

Males

9436

M65-69

9436

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11954

Males

8571

M65-69

8571

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12826

Males

8913

M65-69

8913

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12024

Males

8484

M65-69

8484

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

11931

Males

8372

M65-69

8372

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10507

Males

7619

M65-69

7619

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11862

Males

8205

M65-69

8205

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9092

Males

6809

M65-69

6809

Passing Analysis

Category:
Athletes Passed
1928
Passed By
1898
Net Change
+30
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13609
5K → 10K51976-925#13609#14534
10K → 15K160256-96#14534#14630
15K → 20K113356-243#14630#14873
20K → Half3437-3#14873#14876
Half → 25K19266+126#14876#14750
25K → 30K26167+194#14750#14556
30K → 20M13247+85#14556#14471
20M → 21M16115+146#14471#14325
21M → 35K8714+73#14325#14252
35K → 23M19219+173#14252#14079
23M → 24M13018+112#14079#13967
24M → 40K15112+139#13967#13828
40K → 25.2M4410+34#13828#13794
25.2M → Finish2205+215#13794#13579
TOTALS19281898+30
📊

Passing Visuals

Category:
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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