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BOSTON MARATHON 2023

Jeff Spiker

Bib: 18423•M

WY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 50%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Top 44%
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
7:59/mi
24:48
↑ 97↓ 3451.5%
10K· 6.21 mi
7:39/mi
48:35
↑ 79↓ 1380.4%
15K· 9.32 mi
7:40/mi
1:12:25
↑ 67↓ 78
20K· 12.43 mi
7:47/mi
1:36:35
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:41:53
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
2:01:07
↑ 66↓ 880.2%
30K· 18.64 mi
8:20/mi
2:27:00
↑ 181↓ 1480.2%
20M
8:37/mi
2:38:42
↑ 64↓ 500.2%
21M
9:33/mi
2:48:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:23/mi
2:54:31
↑ 17↓ 861.7%
23M
8:58/mi
3:05:45
↑ 23↓ 630.6%
24M
8:33/mi
3:14:18
↓ 821.3%
40K· 24.85 mi
8:50/mi
3:21:51
↓ 200.3%
25.2M
9:34/mi
3:25:09
↑ 13↓ 160.2%
Finish· 26.22 mi
8:32/mi
3:33:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:53
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:51:58
Pace8:32 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5724:487:5924:48
7:59
-
10K
6.21 mi11:39:4448:357:4923:47
7:39
-0:20
15K
9.32 mi12:03:341:12:257:4623:50
7:40
+0:01
20K
12.43 mi12:27:441:36:357:4624:10
7:47
+0:07
Half
13.11 mi12:33:021:41:537:465:18
7:46
-0:01
25K
15.53 mi12:52:162:01:077:4819:14
7:56
+0:10
30K
18.64 mi13:18:092:27:007:5325:53
8:20
+0:24
20M
20.00 mi13:29:512:38:427:5611:42
8:37
+0:17
21M
21.00 mi13:39:242:48:158:019:33
9:33
+0:56
35K
21.75 mi13:45:402:54:318:016:16
8:23
-1:10
23M
23.00 mi13:56:543:05:458:0511:14
8:58
+0:35
24M
24.00 mi14:05:273:14:188:068:33
8:33
-0:25
40K
24.85 mi14:13:003:21:518:077:33
8:50
+0:17
25.2M
25.20 mi14:16:183:25:098:083:18
9:34
+0:44
Finish
26.22 mi14:25:003:33:518:108:42
8:32
-1:02

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

7:39 /mi

Average Pace

8:10 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:07

57% of race

Time at Steady Pace

1:01:06

29% of race

Time at Slower Pace

31:38

15% of race

Average Pace: 8:09 /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 mi11:15:5724:487:5924:48
7:59
#13885
10K
6.21 mi11:39:4448:357:4923:47
7:39
#12871
15K
9.32 mi12:03:341:12:257:4623:50
7:40
#12389
20K
12.43 mi12:27:441:36:357:4624:10
7:47
#12137
Half
13.11 mi12:33:021:41:537:465:18
7:46
#12145
25K
15.53 mi12:52:162:01:077:4819:14
7:56
#12150
30K
18.64 mi13:18:092:27:007:5325:53
8:20
#12355
20M
20.00 mi13:29:512:38:427:5611:42
8:37
#12508
21M
21.00 mi13:39:242:48:158:019:33
9:33
#12736
35K
21.75 mi13:45:402:54:318:016:16
8:23
#12818
23M
23.00 mi13:56:543:05:458:0511:14
8:58
#13012
24M
24.00 mi14:05:273:14:188:068:33
8:33
#13081
40K
24.85 mi14:13:003:21:518:077:33
8:50
#13169
25.2M
25.20 mi14:16:183:25:098:083:18
9:34
#13187
Finish
26.22 mi14:25:003:33:518:108:42
8:32
#13294
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi138859911991111590(Top 44%)8898(Top 59%)8898(Top 626%)
10K6.21 mi3.10 mi12871+10149493+4189493+41811827(Top 44%)9036(Top 60%)9036(Top 635%)
15K9.32 mi3.11 mi12389+4829256+2379256+23711590(Top 44%)8898(Top 59%)8898(Top 626%)
20K12.43 mi3.11 mi12137+2529121+1359121+13511544(Top 43%)8824(Top 58%)8824(Top 621%)
Half13.11 mi0.68 mi12145-89128-79128-712407(Top 47%)9243(Top 61%)9243(Top 650%)
25K15.53 mi2.42 mi12150-59111+179111+1712156(Top 46%)8977(Top 59%)8977(Top 631%)
30K18.64 mi3.11 mi12355-2059160-499160-4913205(Top 50%)9318(Top 61%)9318(Top 655%)
20M20.00 mi1.36 mi12508-1539216-569216-5614299(Top 54%)9683(Top 64%)9683(Top 681%)
21M21.00 mi1.00 mi12736-2289286-709286-7016176(Top 61%)10425(Top 69%)10425(Top 733%)
35K21.75 mi0.75 mi12818-829305-199305-1914536(Top 55%)9654(Top 64%)9654(Top 679%)
23M23.00 mi1.25 mi13012-1949362-579362-5715883(Top 60%)10188(Top 67%)10188(Top 716%)
24M24.00 mi1.00 mi13081-699368-69368-614736(Top 55%)9627(Top 63%)9627(Top 677%)
40K24.85 mi0.85 mi13169-889387-199387-1915209(Top 57%)9775(Top 64%)9775(Top 687%)
25.2M25.20 mi0.35 mi13187-189381+69381+615443(Top 58%)9864(Top 65%)9864(Top 694%)
Finish26.22 mi1.02 mi13294-1079403-229403-2215605(Top 59%)9991(Top 66%)9991(Top 703%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11590

Males

8898

M55-59

8898

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11827

Males

9036

M55-59

9036

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11590

Males

8898

M55-59

8898

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11544

Males

8824

M55-59

8824

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12407

Males

9243

M55-59

9243

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12156

Males

8977

M55-59

8977

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

13205

Males

9318

M55-59

9318

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14299

Males

9683

M55-59

9683

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

16176

Males

10425

M55-59

10425

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14536

Males

9654

M55-59

9654

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15883

Males

10188

M55-59

10188

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14736

Males

9627

M55-59

9627

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15209

Males

9775

M55-59

9775

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15443

Males

9864

M55-59

9864

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15605

Males

9991

M55-59

9991

Passing Analysis

Category:
Athletes Passed
2516
Passed By
1925
Net Change
+591
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13885
5K → 10K106854+1014#13885#12871
10K → 15K53452+482#12871#12389
15K → 20K31462+252#12389#12137
20K → Half2533-8#12137#12145
Half → 25K129134-5#12145#12150
25K → 30K139344-205#12150#12355
30K → 20M60213-153#12355#12508
20M → 21M40268-228#12508#12736
21M → 35K30112-82#12736#12818
35K → 23M36230-194#12818#13012
23M → 24M41110-69#13012#13081
24M → 40K37125-88#13081#13169
40K → 25.2M3553-18#13169#13187
25.2M → Finish28135-107#13187#13294
TOTALS25161925+591
📊

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