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BOSTON MARATHON 2023

Greg Loftis

Bib: 5878•M

SC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 39%
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
22:06
Rank: #6961
Start → 5K
22:06 | 7:07/mi
10K· 6.21 mi
44:41
Rank: #7705 (-744)
5K → 10K
22:35 | 7:16/mi
15K· 9.32 mi
1:07:50
Rank: #8288 (-583)
10K → 15K
23:09 | 7:27/mi
20K· 12.43 mi
1:31:44
Rank: #8859 (-571)
15K → 20K
23:54 | 7:42/mi
Half· 13.11 mi
1:36:57
Rank: #8982 (-123)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
1:55:38
Rank: #9164 (-182)
Half → 25K
18:41 | 7:42/mi
30K· 18.64 mi
2:20:46
Rank: #9597 (-433)
25K → 30K
25:08 | 8:05/mi
20M
2:32:04
Rank: #9764 (-167)
30K → 20M
11:18 | 8:19/mi
21M
2:40:57
Rank: #9926 (-162)
20M → 21M
8:53 | 8:53/mi
35K· 21.75 mi
2:47:04
Rank: #10042 (-116)
21M → 35K
6:07 | 8:11/mi
23M
2:57:33
Rank: #10170 (-128)
35K → 23M
10:29 | 8:22/mi
24M
3:05:54
Rank: #10308 (-138)
23M → 24M
8:21 | 8:21/mi
40K· 24.85 mi
3:12:51
Rank: #10307 (+1)
24M → 40K
6:57 | 8:08/mi
25.2M
3:15:49
Rank: #10290 (+17)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:23:45
Rank: #10280 (+10)
25.2M → Finish
7:56 | 7:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:57
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:46:48
Pace8:09 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5122:067:0722:06
7:07
-
10K
6.21 mi10:47:2644:417:1122:35
7:16
+0:09
15K
9.32 mi11:10:351:07:507:1723:09
7:27
+0:11
20K
12.43 mi11:34:291:31:447:2323:54
7:42
+0:15
Half
13.11 mi11:39:421:36:577:245:13
7:39
-0:03
25K
15.53 mi11:58:231:55:387:2718:41
7:42
+0:03
30K
18.64 mi12:23:312:20:467:3325:08
8:05
+0:23
20M
20.00 mi12:34:492:32:047:3611:18
8:19
+0:14
21M
21.00 mi12:43:422:40:577:408:53
8:53
+0:34
35K
21.75 mi12:49:492:47:047:416:07
8:11
-0:42
23M
23.00 mi13:00:182:57:337:4310:29
8:22
+0:11
24M
24.00 mi13:08:393:05:547:458:21
8:21
-0:01
40K
24.85 mi13:15:363:12:517:466:57
8:08
-0:13
25.2M
25.20 mi13:18:343:15:497:462:58
8:36
+0:28
Finish
26.22 mi13:26:303:23:457:477:56
7:47
-0:49

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

7:07 /mi

Average Pace

7:47 /mi

Slowest Pace

8:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:34

61% of race

Time at Steady Pace

49:30

24% of race

Time at Slower Pace

30:41

15% of race

Average Pace: 7:46 /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 mi10:24:5122:067:0722:06
7:07
#6961
10K
6.21 mi10:47:2644:417:1122:35
7:16
#7705
15K
9.32 mi11:10:351:07:507:1723:09
7:27
#8288
20K
12.43 mi11:34:291:31:447:2323:54
7:42
#8859
Half
13.11 mi11:39:421:36:577:245:13
7:39
#8982
25K
15.53 mi11:58:231:55:387:2718:41
7:42
#9164
30K
18.64 mi12:23:312:20:467:3325:08
8:05
#9597
20M
20.00 mi12:34:492:32:047:3611:18
8:19
#9764
21M
21.00 mi12:43:422:40:577:408:53
8:53
#9926
35K
21.75 mi12:49:492:47:047:416:07
8:11
#10042
23M
23.00 mi13:00:182:57:337:4310:29
8:22
#10170
24M
24.00 mi13:08:393:05:547:458:21
8:21
#10308
40K
24.85 mi13:15:363:12:517:466:57
8:08
#10307
25.2M
25.20 mi13:18:343:15:497:462:58
8:36
#10290
Finish
26.22 mi13:26:303:23:457:477:56
7:47
#10280
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6961624262429774(Top 37%)8022(Top 53%)8022(Top 152%)
10K6.21 mi3.10 mi7705-7446778-5366778-5368627(Top 32%)7346(Top 48%)7346(Top 139%)
15K9.32 mi3.11 mi8288-5837141-3637141-3639774(Top 37%)8022(Top 53%)8022(Top 152%)
20K12.43 mi3.11 mi8859-5717471-3307471-33010844(Top 41%)8495(Top 56%)8495(Top 161%)
Half13.11 mi0.68 mi8982-1237537-667537-6611337(Top 43%)8770(Top 58%)8770(Top 166%)
25K15.53 mi2.42 mi9164-1827645-1087645-10810320(Top 39%)8164(Top 54%)8164(Top 154%)
30K18.64 mi3.11 mi9597-4337870-2257870-22511559(Top 43%)8608(Top 57%)8608(Top 163%)
20M20.00 mi1.36 mi9764-1677937-677937-6712434(Top 47%)8873(Top 58%)8873(Top 168%)
21M21.00 mi1.00 mi9926-1628000-638000-6312722(Top 48%)8897(Top 59%)8897(Top 168%)
35K21.75 mi0.75 mi10042-1168037-378037-3713229(Top 50%)9070(Top 60%)9070(Top 172%)
23M23.00 mi1.25 mi10170-1288071-348071-3412362(Top 46%)8618(Top 57%)8618(Top 163%)
24M24.00 mi1.00 mi10308-1388116-458116-4513503(Top 51%)9079(Top 60%)9079(Top 172%)
40K24.85 mi0.85 mi10307+18087+298087+2910861(Top 41%)7768(Top 51%)7768(Top 147%)
25.2M25.20 mi0.35 mi10290+178066+218066+2110118(Top 38%)7352(Top 48%)7352(Top 139%)
Finish26.22 mi1.02 mi10280+108027+398027+3910546(Top 40%)7570(Top 50%)7570(Top 143%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9774

Males

8022

M18-39

8022

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8627

Males

7346

M18-39

7346

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9774

Males

8022

M18-39

8022

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10844

Males

8495

M18-39

8495

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11337

Males

8770

M18-39

8770

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10320

Males

8164

M18-39

8164

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11559

Males

8608

M18-39

8608

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12434

Males

8873

M18-39

8873

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12722

Males

8897

M18-39

8897

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

13229

Males

9070

M18-39

9070

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12362

Males

8618

M18-39

8618

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13503

Males

9079

M18-39

9079

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10861

Males

7768

M18-39

7768

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10118

Males

7352

M18-39

7352

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10546

Males

7570

M18-39

7570

Passing Analysis

Category:
Athletes Passed
601
Passed By
3917
Net Change
-3319
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6961
5K → 10K31775-744#6961#7705
10K → 15K27610-583#7705#8288
15K → 20K27598-571#8288#8859
20K → Half4127-123#8859#8982
Half → 25K61243-182#8982#9164
25K → 30K72505-433#9164#9597
30K → 20M48215-167#9597#9764
20M → 21M43204-162#9764#9926
21M → 35K20134-116#9926#10042
35K → 23M45173-128#10042#10170
23M → 24M29167-138#10170#10308
24M → 40K7170+1#10308#10307
40K → 25.2M4528+17#10307#10290
25.2M → Finish7868+10#10290#10280
TOTALS6013917-3319
📊

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