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BOSTON MARATHON 2023

David Sellers

PA

Bib: 20627 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 43%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:16/mi
25:40
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:16/mi
51:21
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:56/mi
1:19:05
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:28/mi
1:45:22
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:30/mi
1:51:10
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:33/mi
2:11:53
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:48/mi
2:39:13
↑ 181↓ 1480.2%
138 ft elev
20M
8:59/mi
2:51:26
↑ 64↓ 500.2%
148 ft elev
21M
9:29/mi
3:00:55
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:33/mi
3:07:19
↑ 17↓ 861.7%
156 ft elev
23M
8:54/mi
3:18:28
↑ 23↓ 630.6%
116 ft elev
24M
8:44/mi
3:27:12
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:52/mi
3:34:47
↓ 200.3%
20 ft elev
25.2M
9:28/mi
3:38:03
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:27/mi
3:46:40
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:10
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time1:55:30
Pace8:49 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1125:408:1625:40
8:16
-
10K
6.21 mi11:43:5251:218:1625:41
8:16
0:00
15K
9.32 mi12:11:361:19:058:2927:44
8:56
+0:40
20K
12.43 mi12:37:531:45:228:2926:17
8:28
-0:28
Half
13.11 mi12:43:411:51:108:295:48
8:30
+0:02
25K
15.53 mi13:04:242:11:538:2920:43
8:33
+0:03
30K
18.64 mi13:31:442:39:138:3227:20
8:48
+0:15
20M
20.00 mi13:43:572:51:268:3412:13
8:59
+0:11
21M
21.00 mi13:53:263:00:558:379:29
9:29
+0:30
35K
21.75 mi13:59:503:07:198:376:24
8:33
-0:56
23M
23.00 mi14:10:593:18:288:3811:09
8:54
+0:21
24M
24.00 mi14:19:433:27:128:388:44
8:44
-0:10
40K
24.85 mi14:27:183:34:478:387:35
8:52
+0:08
25.2M
25.20 mi14:30:343:38:038:393:16
9:28
+0:36
Finish
26.22 mi14:39:113:46:408:398:37
8:27
-1:01

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

8:16 /mi

Average Pace

8:39 /mi

Slowest Pace

9:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:55

94% of race

Time at Steady Pace

12:45

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:39 /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 mi11:18:1125:408:1625:40
8:16
#15888
10K
6.21 mi11:43:5251:218:1625:41
8:16
#16262
15K
9.32 mi12:11:361:19:058:2927:44
8:56
#17744
20K
12.43 mi12:37:531:45:228:2926:17
8:28
#17420
Half
13.11 mi12:43:411:51:108:295:48
8:30
#17421
25K
15.53 mi13:04:242:11:538:2920:43
8:33
#17262
30K
18.64 mi13:31:442:39:138:3227:20
8:48
#17004
20M
20.00 mi13:43:572:51:268:3412:13
8:59
#16954
21M
21.00 mi13:53:263:00:558:379:29
9:29
#16891
35K
21.75 mi13:59:503:07:198:376:24
8:33
#16833
23M
23.00 mi14:10:593:18:288:3811:09
8:54
#16758
24M
24.00 mi14:19:433:27:128:388:44
8:44
#16703
40K
24.85 mi14:27:183:34:478:387:35
8:52
#16652
25.2M
25.20 mi14:30:343:38:038:393:16
9:28
#16616
Finish
26.22 mi14:39:113:46:408:398:37
8:27
#16544
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi158881066110661201591237812378
10K6.21 mi3.10 mi16262-37410809-14810809-148166851098110981
15K9.32 mi3.11 mi17744-148211354-54511354-545201591237812378
20K12.43 mi3.11 mi17420+32411230+12411230+124165961087110871
Half13.11 mi0.68 mi17421-11123011230176721136011360
25K15.53 mi2.42 mi17262+15911148+8211148+82164511073410734
30K18.64 mi3.11 mi17004+25811019+12911019+129160401049510495
20M20.00 mi1.36 mi16954+5010992+2710992+27164661060010600
21M21.00 mi1.00 mi16891+6310950+4210950+42158661029410294
35K21.75 mi0.75 mi16833+5810917+3310917+33155861011410114
23M23.00 mi1.25 mi16758+7510860+5710860+57155531005510055
24M24.00 mi1.00 mi16703+5510818+4210818+42158351010110101
40K24.85 mi0.85 mi16652+5110777+4110777+411544598789878
25.2M25.20 mi0.35 mi16616+3610756+2110756+211502497009700
Finish26.22 mi1.02 mi16544+7210716+4010716+401511097849784

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

20159

Males

12378

M60-64

12378

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

16685

Males

10981

M60-64

10981

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

20159

Males

12378

M60-64

12378

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

16596

Males

10871

M60-64

10871

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

17672

Males

11360

M60-64

11360

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

16451

Males

10734

M60-64

10734

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

16040

Males

10495

M60-64

10495

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

16466

Males

10600

M60-64

10600

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

15866

Males

10294

M60-64

10294

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15586

Males

10114

M60-64

10114

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

15553

Males

10055

M60-64

10055

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15835

Males

10101

M60-64

10101

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15445

Males

9878

M60-64

9878

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15024

Males

9700

M60-64

9700

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15110

Males

9784

M60-64

9784

Passing Analysis

Category:
Athletes Passed
1802
Passed By
2458
Net Change
-656
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15888
5K → 10K154528-374#15888#16262
10K → 15K131495-1482#16262#17744
15K → 20K37046+324#17744#17420
20K → Half2930-1#17420#17421
Half → 25K20041+159#17421#17262
25K → 30K31355+258#17262#17004
30K → 20M9444+50#17004#16954
20M → 21M11047+63#16954#16891
21M → 35K7618+58#16891#16833
35K → 23M12348+75#16833#16758
23M → 24M9136+55#16758#16703
24M → 40K8534+51#16703#16652
40K → 25.2M5014+36#16652#16616
25.2M → Finish9422+72#16616#16544
TOTALS18022458-656

Passing Charts

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