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BOSTON MARATHON 2023

David Spellman

Bib: 17067•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 44%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 49%
Division (M60-64)
#0 / 1110
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:45
Rank: #13788
Start → 5K
24:45 | 7:58/mi
10K· 6.21 mi
48:54
Rank: #13354 (+434)
5K → 10K
24:09 | 7:46/mi
15K· 9.32 mi
1:13:22
Rank: #13341 (+13)
10K → 15K
24:28 | 7:53/mi
20K· 12.43 mi
1:37:50
Rank: #13069 (+272)
15K → 20K
24:28 | 7:53/mi
Half· 13.11 mi
1:43:13
Rank: #13083 (-14)
20K → Half
5:23 | 7:53/mi
25K· 15.53 mi
2:02:31
Rank: #12934 (+149)
Half → 25K
19:18 | 7:58/mi
30K· 18.64 mi
2:27:37
Rank: #12631 (+303)
25K → 30K
25:06 | 8:05/mi
20M
2:38:44
Rank: #12529 (+102)
30K → 20M
11:07 | 8:11/mi
21M
2:47:17
Rank: #12376 (+153)
20M → 21M
8:33 | 8:33/mi
35K· 21.75 mi
2:53:12
Rank: #12342 (+34)
21M → 35K
5:55 | 7:55/mi
23M
3:03:21
Rank: #12237 (+105)
35K → 23M
10:09 | 8:06/mi
24M
3:11:09
Rank: #12122 (+115)
23M → 24M
7:48 | 7:48/mi
40K· 24.85 mi
3:17:59
Rank: #12017 (+105)
24M → 40K
6:50 | 8:00/mi
25.2M
3:20:53
Rank: #11963 (+54)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:28:35
Rank: #11819 (+144)
25.2M → Finish
7:42 | 7:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:13
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:45:22
Pace8:02 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2924:457:5824:45
7:58
-
10K
6.21 mi11:39:3848:547:5224:09
7:46
-0:12
15K
9.32 mi12:04:061:13:227:5224:28
7:53
+0:07
20K
12.43 mi12:28:341:37:507:5224:28
7:53
0:00
Half
13.11 mi12:33:571:43:137:525:23
7:53
0:00
25K
15.53 mi12:53:152:02:317:5319:18
7:58
+0:05
30K
18.64 mi13:18:212:27:377:5525:06
8:05
+0:07
20M
20.00 mi13:29:282:38:447:5611:07
8:11
+0:06
21M
21.00 mi13:38:012:47:177:588:33
8:33
+0:22
35K
21.75 mi13:43:562:53:127:585:55
7:55
-0:38
23M
23.00 mi13:54:053:03:217:5810:09
8:06
+0:11
24M
24.00 mi14:01:533:11:097:587:48
7:48
-0:18
40K
24.85 mi14:08:433:17:597:586:50
8:00
+0:12
25.2M
25.20 mi14:11:373:20:537:582:54
8:25
+0:25
Finish
26.22 mi14:19:193:28:357:587:42
7:33
-0:52

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

7:33 /mi

Average Pace

7:58 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:08

95% of race

Time at Steady Pace

11:27

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi11:15:2924:457:5824:45
7:58
#13788
10K
6.21 mi11:39:3848:547:5224:09
7:46
#13354
15K
9.32 mi12:04:061:13:227:5224:28
7:53
#13341
20K
12.43 mi12:28:341:37:507:5224:28
7:53
#13069
Half
13.11 mi12:33:571:43:137:525:23
7:53
#13083
25K
15.53 mi12:53:152:02:317:5319:18
7:58
#12934
30K
18.64 mi13:18:212:27:377:5525:06
8:05
#12631
20M
20.00 mi13:29:282:38:447:5611:07
8:11
#12529
21M
21.00 mi13:38:012:47:177:588:33
8:33
#12376
35K
21.75 mi13:43:562:53:127:585:55
7:55
#12342
23M
23.00 mi13:54:053:03:217:5810:09
8:06
#12237
24M
24.00 mi14:01:533:11:097:587:48
7:48
#12122
40K
24.85 mi14:08:433:17:597:586:50
8:00
#12017
25.2M
25.20 mi14:11:373:20:537:582:54
8:25
#11963
Finish
26.22 mi14:19:193:28:357:587:42
7:33
#11819
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi137889869986913329(Top 50%)9623(Top 63%)9623(Top 867%)
10K6.21 mi3.10 mi13354+4349676+1939676+19312914(Top 49%)9510(Top 63%)9510(Top 857%)
15K9.32 mi3.11 mi13341+139666+109666+1013329(Top 50%)9623(Top 63%)9623(Top 867%)
20K12.43 mi3.11 mi13069+2729528+1389528+13812423(Top 47%)9191(Top 61%)9191(Top 828%)
Half13.11 mi0.68 mi13083-149534-69534-613596(Top 51%)9708(Top 64%)9708(Top 875%)
25K15.53 mi2.42 mi12934+1499449+859449+8512432(Top 47%)9084(Top 60%)9084(Top 818%)
30K18.64 mi3.11 mi12631+3039277+1729277+17211532(Top 43%)8597(Top 57%)8597(Top 775%)
20M20.00 mi1.36 mi12529+1029222+559222+5511615(Top 44%)8523(Top 56%)8523(Top 768%)
21M21.00 mi1.00 mi12376+1539142+809142+8010809(Top 41%)8009(Top 53%)8009(Top 722%)
35K21.75 mi0.75 mi12342+349106+369106+3611548(Top 43%)8346(Top 55%)8346(Top 752%)
23M23.00 mi1.25 mi12237+1059031+759031+7510563(Top 40%)7741(Top 51%)7741(Top 697%)
24M24.00 mi1.00 mi12122+1158959+728959+729860(Top 37%)7307(Top 48%)7307(Top 658%)
40K24.85 mi0.85 mi12017+1058889+708889+7010070(Top 38%)7353(Top 48%)7353(Top 662%)
25.2M25.20 mi0.35 mi11963+548863+268863+269103(Top 34%)6765(Top 45%)6765(Top 609%)
Finish26.22 mi1.02 mi11819+1448782+818782+819023(Top 34%)6740(Top 44%)6740(Top 607%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

13329

Males

9623

M60-64

9623

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

12914

Males

9510

M60-64

9510

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

13329

Males

9623

M60-64

9623

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

12423

Males

9191

M60-64

9191

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

13596

Males

9708

M60-64

9708

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12432

Males

9084

M60-64

9084

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11532

Males

8597

M60-64

8597

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11615

Males

8523

M60-64

8523

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

10809

Males

8009

M60-64

8009

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

11548

Males

8346

M60-64

8346

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10563

Males

7741

M60-64

7741

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

9860

Males

7307

M60-64

7307

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10070

Males

7353

M60-64

7353

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9103

Males

6765

M60-64

6765

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9023

Males

6740

M60-64

6740

Passing Analysis

Category:
Athletes Passed
2731
Passed By
762
Net Change
+1969
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13788
5K → 10K578144+434#13788#13354
10K → 15K211198+13#13354#13341
15K → 20K32856+272#13341#13069
20K → Half3044-14#13069#13083
Half → 25K21970+149#13083#12934
25K → 30K35249+303#12934#12631
30K → 20M15957+102#12631#12529
20M → 21M17219+153#12529#12376
21M → 35K6228+34#12376#12342
35K → 23M14237+105#12342#12237
23M → 24M12914+115#12237#12122
24M → 40K12823+105#12122#12017
40K → 25.2M628+54#12017#11963
25.2M → Finish15915+144#11963#11819
TOTALS2731762+1969
📊

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