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BOSTON MARATHON 2023

Christian Spaeni

Bib: 30569•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
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
10:32/mi
32:45
↑ 97↓ 3451.5%
10K· 6.21 mi
10:22/mi
1:04:56
↑ 79↓ 1380.4%
15K· 9.32 mi
10:32/mi
1:37:38
↑ 67↓ 78
20K· 12.43 mi
10:22/mi
2:09:52
↑ 106↓ 860.1%
Half· 13.11 mi
9:59/mi
2:16:41
↑ 19↓ 370.5%
25K· 15.53 mi
10:29/mi
2:42:05
↑ 66↓ 880.2%
30K· 18.64 mi
10:55/mi
3:16:01
↑ 181↓ 1480.2%
20M
10:52/mi
3:30:47
↑ 64↓ 500.2%
21M
11:38/mi
3:42:25
↑ 106↓ 241.6%
35K· 21.75 mi
10:20/mi
3:50:09
↑ 17↓ 861.7%
23M
10:37/mi
4:03:27
↑ 23↓ 630.6%
24M
10:18/mi
4:13:45
↓ 821.3%
40K· 24.85 mi
10:21/mi
4:22:36
↓ 200.3%
25.2M
10:44/mi
4:26:18
↑ 13↓ 160.2%
Finish· 26.22 mi
9:37/mi
4:36:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:41
Pace10:26 /mi
2nd Half
Distance13.11 mi
Time2:19:25
Pace10:38 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5532:4510:3232:45
10:32
-
10K
6.21 mi12:24:061:04:5610:2732:11
10:22
-0:10
15K
9.32 mi12:56:481:37:3810:2932:42
10:32
+0:10
20K
12.43 mi13:29:022:09:5210:2732:14
10:22
-0:10
Half
13.11 mi13:35:512:16:4110:266:49
9:59
-0:23
25K
15.53 mi14:01:152:42:0510:2625:24
10:29
+0:30
30K
18.64 mi14:35:113:16:0110:3133:56
10:55
+0:26
20M
20.00 mi14:49:573:30:4710:3214:46
10:52
-0:03
21M
21.00 mi15:01:353:42:2510:3511:38
11:38
+0:46
35K
21.75 mi15:09:193:50:0910:357:44
10:20
-1:18
23M
23.00 mi15:22:374:03:2710:3513:18
10:37
+0:17
24M
24.00 mi15:32:554:13:4510:3410:18
10:18
-0:19
40K
24.85 mi15:41:464:22:3610:348:51
10:21
+0:03
25.2M
25.20 mi15:45:284:26:1810:343:42
10:44
+0:23
Finish
26.22 mi15:55:164:36:0610:329:48
9:37
-1:07

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

9:37 /mi

Average Pace

10:32 /mi

Slowest Pace

11:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:37

6% of race

Time at Steady Pace

3:15:27

71% of race

Time at Slower Pace

1:04:02

23% of race

Average Pace: 10:32 /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 mi11:51:5532:4510:3232:45
10:32
#24798
10K
6.21 mi12:24:061:04:5610:2732:11
10:22
#24610
15K
9.32 mi12:56:481:37:3810:2932:42
10:32
#24585
20K
12.43 mi13:29:022:09:5210:2732:14
10:22
#24324
Half
13.11 mi13:35:512:16:4110:266:49
9:59
#24263
25K
15.53 mi14:01:152:42:0510:2625:24
10:29
#24052
30K
18.64 mi14:35:113:16:0110:3133:56
10:55
#23846
20M
20.00 mi14:49:573:30:4710:3214:46
10:52
#23738
21M
21.00 mi15:01:353:42:2510:3511:38
11:38
#23643
35K
21.75 mi15:09:193:50:0910:357:44
10:20
#23597
23M
23.00 mi15:22:374:03:2710:3513:18
10:37
#23509
24M
24.00 mi15:32:554:13:4510:3410:18
10:18
#23444
40K
24.85 mi15:41:464:22:3610:348:51
10:21
#23350
25.2M
25.20 mi15:45:284:26:1810:343:42
10:44
#23299
Finish
26.22 mi15:55:164:36:0610:329:48
9:37
#23212
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi24798144511445124499(Top 92%)14295(Top 94%)14295(Top 635%)
10K6.21 mi3.10 mi24610+18814374+7714374+7724412(Top 92%)14270(Top 94%)14270(Top 634%)
15K9.32 mi3.11 mi24585+2514351+2314351+2324499(Top 92%)14295(Top 94%)14295(Top 635%)
20K12.43 mi3.11 mi24324+26114225+12614225+12623603(Top 89%)13891(Top 92%)13891(Top 617%)
Half13.11 mi0.68 mi24263+6114201+2414201+2423248(Top 87%)13734(Top 90%)13734(Top 610%)
25K15.53 mi2.42 mi24052+21114099+10214099+10223154(Top 87%)13663(Top 90%)13663(Top 607%)
30K18.64 mi3.11 mi23846+20613990+10913990+10922966(Top 86%)13497(Top 89%)13497(Top 599%)
20M20.00 mi1.36 mi23738+10813930+6013930+6022450(Top 84%)13203(Top 87%)13203(Top 586%)
21M21.00 mi1.00 mi23643+9513881+4913881+4922117(Top 83%)13037(Top 86%)13037(Top 579%)
35K21.75 mi0.75 mi23597+4613855+2613855+2622075(Top 83%)12963(Top 85%)12963(Top 576%)
23M23.00 mi1.25 mi23509+8813806+4913806+4921603(Top 81%)12730(Top 84%)12730(Top 565%)
24M24.00 mi1.00 mi23444+6513762+4413762+4421564(Top 81%)12668(Top 83%)12668(Top 563%)
40K24.85 mi0.85 mi23350+9413705+5713705+5720875(Top 78%)12326(Top 81%)12326(Top 547%)
25.2M25.20 mi0.35 mi23299+5113676+2913676+2919782(Top 74%)11834(Top 78%)11834(Top 525%)
Finish26.22 mi1.02 mi23212+8713630+4613630+4620531(Top 77%)12207(Top 80%)12207(Top 542%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

24499

Males

14295

M45-49

14295

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24412

Males

14270

M45-49

14270

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

24499

Males

14295

M45-49

14295

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23603

Males

13891

M45-49

13891

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23248

Males

13734

M45-49

13734

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23154

Males

13663

M45-49

13663

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

22966

Males

13497

M45-49

13497

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22450

Males

13203

M45-49

13203

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22117

Males

13037

M45-49

13037

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22075

Males

12963

M45-49

12963

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21603

Males

12730

M45-49

12730

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21564

Males

12668

M45-49

12668

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20875

Males

12326

M45-49

12326

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19782

Males

11834

M45-49

11834

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20531

Males

12207

M45-49

12207

Passing Analysis

Category:
Athletes Passed
1896
Passed By
310
Net Change
+1586
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24798
5K → 10K299111+188#24798#24610
10K → 15K139114+25#24610#24585
15K → 20K2709+261#24585#24324
20K → Half676+61#24324#24263
Half → 25K22413+211#24263#24052
25K → 30K22418+206#24052#23846
30K → 20M12113+108#23846#23738
20M → 21M994+95#23738#23643
21M → 35K526+46#23643#23597
35K → 23M946+88#23597#23509
23M → 24M716+65#23509#23444
24M → 40K951+94#23444#23350
40K → 25.2M521+51#23350#23299
25.2M → Finish892+87#23299#23212
TOTALS1896310+1586
📊

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