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BOSTON MARATHON 2023

Stephen Stacy

Bib: 22777•M

NJ

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 36%
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
8:19/mi
25:51
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
51:02
↑ 79↓ 1380.4%
15K· 9.32 mi
8:10/mi
1:16:25
↑ 67↓ 78
20K· 12.43 mi
8:21/mi
1:42:20
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:47:53
↑ 19↓ 370.5%
25K· 15.53 mi
8:20/mi
2:08:05
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:34:59
↑ 181↓ 1480.2%
20M
8:52/mi
2:47:02
↑ 64↓ 500.2%
21M
9:26/mi
2:56:28
↑ 106↓ 241.6%
35K· 21.75 mi
8:35/mi
3:02:53
↑ 17↓ 861.7%
23M
9:11/mi
3:14:23
↑ 23↓ 630.6%
24M
8:43/mi
3:23:06
↓ 821.3%
40K· 24.85 mi
8:51/mi
3:30:40
↓ 200.3%
25.2M
10:18/mi
3:34:13
↑ 13↓ 160.2%
Finish· 26.22 mi
8:56/mi
3:43:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:53
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time1:55:26
Pace8:48 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4325:518:1925:51
8:19
-
10K
6.21 mi11:44:5451:028:1325:11
8:06
-0:13
15K
9.32 mi12:10:171:16:258:1225:23
8:10
+0:04
20K
12.43 mi12:36:121:42:208:1425:55
8:21
+0:11
Half
13.11 mi12:41:451:47:538:145:33
8:08
-0:13
25K
15.53 mi13:01:572:08:058:1520:12
8:20
+0:12
30K
18.64 mi13:28:512:34:598:1926:54
8:39
+0:19
20M
20.00 mi13:40:542:47:028:2112:03
8:52
+0:13
21M
21.00 mi13:50:202:56:288:249:26
9:26
+0:34
35K
21.75 mi13:56:453:02:538:256:25
8:35
-0:51
23M
23.00 mi14:08:153:14:238:2711:30
9:11
+0:36
24M
24.00 mi14:16:583:23:068:288:43
8:43
-0:28
40K
24.85 mi14:24:323:30:408:297:34
8:51
+0:08
25.2M
25.20 mi14:28:053:34:138:303:33
10:18
+1:27
Finish
26.22 mi14:37:113:43:198:319:06
8:56
-1:22

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

8:06 /mi

Average Pace

8:31 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:05

57% of race

Time at Steady Pace

1:01:39

28% of race

Time at Slower Pace

33:35

15% of race

Average Pace: 8:31 /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 mi11:19:4325:518:1925:51
8:19
#16284
10K
6.21 mi11:44:5451:028:1325:11
8:06
#15903
15K
9.32 mi12:10:171:16:258:1225:23
8:10
#15816
20K
12.43 mi12:36:121:42:208:1425:55
8:21
#15809
Half
13.11 mi12:41:451:47:538:145:33
8:08
#15779
25K
15.53 mi13:01:572:08:058:1520:12
8:20
#15650
30K
18.64 mi13:28:512:34:598:1926:54
8:39
#15572
20M
20.00 mi13:40:542:47:028:2112:03
8:52
#15573
21M
21.00 mi13:50:202:56:288:249:26
9:26
#15550
35K
21.75 mi13:56:453:02:538:256:25
8:35
#15559
23M
23.00 mi14:08:153:14:238:2711:30
9:11
#15629
24M
24.00 mi14:16:583:23:068:288:43
8:43
#15616
40K
24.85 mi14:24:323:30:408:297:34
8:51
#15623
25.2M
25.20 mi14:28:053:34:138:303:33
10:18
#15675
Finish
26.22 mi14:37:113:43:198:319:06
8:56
#15758
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16284108061080615645(Top 59%)10548(Top 70%)10548(Top 950%)
10K6.21 mi3.10 mi15903+38110657+14910657+14915543(Top 58%)10544(Top 69%)10544(Top 950%)
15K9.32 mi3.11 mi15816+8710632+2510632+2515645(Top 59%)10548(Top 70%)10548(Top 950%)
20K12.43 mi3.11 mi15809+710603+2910603+2915876(Top 60%)10588(Top 70%)10588(Top 954%)
Half13.11 mi0.68 mi15779+3010591+1210591+1215313(Top 58%)10425(Top 69%)10425(Top 939%)
25K15.53 mi2.42 mi15650+12910512+7910512+7915132(Top 57%)10185(Top 67%)10185(Top 918%)
30K18.64 mi3.11 mi15572+7810442+7010442+7015261(Top 57%)10152(Top 67%)10152(Top 915%)
20M20.00 mi1.36 mi15573-110418+2410418+2415803(Top 59%)10331(Top 68%)10331(Top 931%)
21M21.00 mi1.00 mi15550+2310385+3310385+3315628(Top 59%)10189(Top 67%)10189(Top 918%)
35K21.75 mi0.75 mi15559-910365+2010365+2015699(Top 59%)10154(Top 67%)10154(Top 915%)
23M23.00 mi1.25 mi15629-7010366-110366-116957(Top 64%)10666(Top 70%)10666(Top 961%)
24M24.00 mi1.00 mi15616+1310344+2210344+2215737(Top 59%)10060(Top 66%)10060(Top 906%)
40K24.85 mi0.85 mi15623-710345-110345-115334(Top 58%)9832(Top 65%)9832(Top 886%)
25.2M25.20 mi0.35 mi15675-5210365-2010365-2018404(Top 69%)11196(Top 74%)11196(Top 1009%)
Finish26.22 mi1.02 mi15758-8310390-2510390-2517594(Top 66%)10865(Top 72%)10865(Top 979%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15645

Males

10548

M60-64

10548

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15543

Males

10544

M60-64

10544

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15645

Males

10548

M60-64

10548

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

15876

Males

10588

M60-64

10588

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15313

Males

10425

M60-64

10425

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15132

Males

10185

M60-64

10185

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

15261

Males

10152

M60-64

10152

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

15803

Males

10331

M60-64

10331

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15628

Males

10189

M60-64

10189

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15699

Males

10154

M60-64

10154

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

16957

Males

10666

M60-64

10666

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15737

Males

10060

M60-64

10060

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15334

Males

9832

M60-64

9832

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18404

Males

11196

M60-64

11196

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

17594

Males

10865

M60-64

10865

Passing Analysis

Category:
Athletes Passed
1858
Passed By
1332
Net Change
+526
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16284
5K → 10K523142+381#16284#15903
10K → 15K236149+87#15903#15816
15K → 20K176169+7#15816#15809
20K → Half5121+30#15809#15779
Half → 25K19667+129#15779#15650
25K → 30K208130+78#15650#15572
30K → 20M8889-1#15572#15573
20M → 21M9168+23#15573#15550
21M → 35K4554-9#15550#15559
35K → 23M61131-70#15559#15629
23M → 24M6855+13#15629#15616
24M → 40K6673-7#15616#15623
40K → 25.2M1567-52#15623#15675
25.2M → Finish34117-83#15675#15758
TOTALS18581332+526
📊

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