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BOSTON MARATHON 2023

Fred Kelley

Bib: 25099•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

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
8:37/mi
26:45
↑ 97↓ 3451.5%
10K· 6.21 mi
8:12/mi
52:13
↑ 79↓ 1380.4%
15K· 9.32 mi
8:18/mi
1:17:59
↑ 67↓ 78
20K· 12.43 mi
8:47/mi
1:45:15
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:51:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:57/mi
2:12:55
↑ 66↓ 880.2%
30K· 18.64 mi
9:12/mi
2:41:29
↑ 181↓ 1480.2%
20M
10:00/mi
2:55:05
↑ 64↓ 500.2%
21M
10:06/mi
3:05:11
↑ 106↓ 241.6%
35K· 21.75 mi
9:40/mi
3:12:25
↑ 17↓ 861.7%
23M
9:53/mi
3:24:47
↑ 23↓ 630.6%
24M
9:29/mi
3:34:16
↓ 821.3%
40K· 24.85 mi
9:31/mi
3:42:24
↓ 200.3%
25.2M
10:00/mi
3:45:51
↑ 13↓ 160.2%
Finish· 26.22 mi
9:10/mi
3:55:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:13
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time2:03:58
Pace9:27 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:4226:458:3726:45
8:37
-
10K
6.21 mi12:08:1052:138:2425:28
8:12
-0:25
15K
9.32 mi12:33:561:17:598:2225:46
8:18
+0:06
20K
12.43 mi13:01:121:45:158:2827:16
8:47
+0:29
Half
13.11 mi13:07:101:51:138:295:58
8:45
-0:02
25K
15.53 mi13:28:522:12:558:3321:42
8:57
+0:12
30K
18.64 mi13:57:262:41:298:4028:34
9:12
+0:15
20M
20.00 mi14:11:022:55:058:4513:36
10:00
+0:48
21M
21.00 mi14:21:083:05:118:4910:06
10:06
+0:06
35K
21.75 mi14:28:223:12:258:517:14
9:40
-0:26
23M
23.00 mi14:40:443:24:478:5412:22
9:53
+0:13
24M
24.00 mi14:50:133:34:168:569:29
9:29
-0:24
40K
24.85 mi14:58:213:42:248:578:08
9:31
+0:02
25.2M
25.20 mi15:01:483:45:518:583:27
10:00
+0:29
Finish
26.22 mi15:11:083:55:118:599:20
9:10
-0:50

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

8:12 /mi

Average Pace

8:59 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:13

47% of race

Time at Steady Pace

1:09:05

29% of race

Time at Slower Pace

54:53

23% of race

Average Pace: 8:58 /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 mi11:42:4226:458:3726:45
8:37
#18282
10K
6.21 mi12:08:1052:138:2425:28
8:12
#17228
15K
9.32 mi12:33:561:17:598:2225:46
8:18
#16960
20K
12.43 mi13:01:121:45:158:2827:16
8:47
#17368
Half
13.11 mi13:07:101:51:138:295:58
8:45
#17441
25K
15.53 mi13:28:522:12:558:3321:42
8:57
#17661
30K
18.64 mi13:57:262:41:298:4028:34
9:12
#17731
20M
20.00 mi14:11:022:55:058:4513:36
10:00
#18062
21M
21.00 mi14:21:083:05:118:4910:06
10:06
#18070
35K
21.75 mi14:28:223:12:258:517:14
9:40
#18216
23M
23.00 mi14:40:443:24:478:5412:22
9:53
#18320
24M
24.00 mi14:50:133:34:168:569:29
9:29
#18389
40K
24.85 mi14:58:213:42:248:578:08
9:31
#18386
25.2M
25.20 mi15:01:483:45:518:583:27
10:00
#18371
Finish
26.22 mi15:11:083:55:118:599:20
9:10
#18403
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18282115341153416494(Top 62%)10885(Top 72%)10885(Top 206%)
10K6.21 mi3.10 mi17228+105411134+40011134+40016219(Top 61%)10792(Top 71%)10792(Top 204%)
15K9.32 mi3.11 mi16960+26811059+7511059+7516494(Top 62%)10885(Top 72%)10885(Top 206%)
20K12.43 mi3.11 mi17368-40811209-15011209-15018538(Top 70%)11702(Top 77%)11702(Top 221%)
Half13.11 mi0.68 mi17441-7311238-2911238-2919150(Top 72%)11947(Top 79%)11947(Top 226%)
25K15.53 mi2.42 mi17661-22011310-7211310-7218704(Top 70%)11718(Top 77%)11718(Top 222%)
30K18.64 mi3.11 mi17731-7011317-711317-718130(Top 68%)11384(Top 75%)11384(Top 215%)
20M20.00 mi1.36 mi18062-33111416-9911416-9920493(Top 77%)12338(Top 81%)12338(Top 233%)
21M21.00 mi1.00 mi18070-811413+311413+318377(Top 69%)11375(Top 75%)11375(Top 215%)
35K21.75 mi0.75 mi18216-14611461-4811461-4820353(Top 76%)12185(Top 80%)12185(Top 231%)
23M23.00 mi1.25 mi18320-10411497-3611497-3619626(Top 74%)11851(Top 78%)11851(Top 224%)
24M24.00 mi1.00 mi18389-6911518-2111518-2119139(Top 72%)11592(Top 76%)11592(Top 219%)
40K24.85 mi0.85 mi18386+311505+1311505+1318368(Top 69%)11205(Top 74%)11205(Top 212%)
25.2M25.20 mi0.35 mi18371+1511497+811497+817369(Top 65%)10722(Top 71%)10722(Top 203%)
Finish26.22 mi1.02 mi18403-3211499-211499-218721(Top 70%)11411(Top 75%)11411(Top 216%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16494

Males

10885

M18-39

10885

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16219

Males

10792

M18-39

10792

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16494

Males

10885

M18-39

10885

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18538

Males

11702

M18-39

11702

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19150

Males

11947

M18-39

11947

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18704

Males

11718

M18-39

11718

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

18130

Males

11384

M18-39

11384

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

20493

Males

12338

M18-39

12338

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18377

Males

11375

M18-39

11375

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

20353

Males

12185

M18-39

12185

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

19626

Males

11851

M18-39

11851

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

19139

Males

11592

M18-39

11592

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18368

Males

11205

M18-39

11205

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17369

Males

10722

M18-39

10722

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

18721

Males

11411

M18-39

11411

Passing Analysis

Category:
Athletes Passed
2123
Passed By
2244
Net Change
-121
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18282
5K → 10K112571+1054#18282#17228
10K → 15K35789+268#17228#16960
15K → 20K76484-408#16960#17368
20K → Half1487-73#17368#17441
Half → 25K60280-220#17441#17661
25K → 30K156226-70#17661#17731
30K → 20M25356-331#17731#18062
20M → 21M98106-8#18062#18070
21M → 35K19165-146#18070#18216
35K → 23M44148-104#18216#18320
23M → 24M32101-69#18320#18389
24M → 40K5350+3#18389#18386
40K → 25.2M2712+15#18386#18371
25.2M → Finish3769-32#18371#18403
TOTALS21232244-121
📊

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