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BOSTON MARATHON 2023

Stephen Durley

Bib: 8854•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Masters (Masters Men)
#0 / 9891
Top 12%
Division (M40-44)
#0 / 2241
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:25
Rank: #5496
Start → 5K
6:54/mi
21:25 split
10K· 6.21 mi
42:32
Rank: #5353 (+143)
5K → 10K
6:48/mi
21:07 split
15K· 9.32 mi
1:03:43
Rank: #5323 (+30)
10K → 15K
6:49/mi
21:11 split
20K· 12.43 mi
1:24:48
Rank: #5058 (+265)
15K → 20K
6:47/mi
21:05 split
Half· 13.11 mi
1:29:22
Rank: #5006 (+52)
20K → Half
6:42/mi
4:34 split
25K· 15.53 mi
1:45:45
Rank: #4769 (+237)
Half → 25K
6:45/mi
16:23 split
30K· 18.64 mi
2:07:10
Rank: #4499 (+270)
25K → 30K
6:54/mi
21:25 split
20M
2:16:31
Rank: #4379 (+120)
30K → 20M
6:53/mi
9:21 split
21M
2:23:50
Rank: #4301 (+78)
20M → 21M
7:19/mi
7:19 split
35K· 21.75 mi
2:28:54
Rank: #4276 (+25)
21M → 35K
6:46/mi
5:04 split
23M
2:37:32
Rank: #4176 (+100)
35K → 23M
6:54/mi
8:38 split
24M
2:44:17
Rank: #4125 (+51)
23M → 24M
6:45/mi
6:45 split
40K· 24.85 mi
2:50:11
Rank: #4091 (+34)
24M → 40K
6:54/mi
5:54 split
25.2M
2:52:48
Rank: #4094 (-3)
40K → 25.2M
7:35/mi
2:37 split
Finish· 26.22 mi
2:59:36
Rank: #4070 (+24)
25.2M → Finish
6:40/mi
6:48 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:22
Pace6:49 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:30:14
Pace6:53 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5121:256:5421:25
6:54
-
10K
6.21 mi11:07:5842:326:5121:07
6:48
-0:06
15K
9.32 mi11:29:091:03:436:5021:11
6:49
+0:01
20K
12.43 mi11:50:141:24:486:4921:05
6:47
-0:02
Half
13.11 mi11:54:481:29:226:494:34
6:42
-0:05
25K
15.53 mi12:11:111:45:456:4816:23
6:45
+0:03
30K
18.64 mi12:32:362:07:106:4921:25
6:54
+0:09
20M
20.00 mi12:41:572:16:316:509:21
6:53
-0:01
21M
21.00 mi12:49:162:23:506:517:19
7:19
+0:26
35K
21.75 mi12:54:202:28:546:515:04
6:46
-0:33
23M
23.00 mi13:02:582:37:326:518:38
6:54
+0:08
24M
24.00 mi13:09:432:44:176:516:45
6:45
-0:09
40K
24.85 mi13:15:372:50:116:515:54
6:54
+0:09
25.2M
25.20 mi13:18:142:52:486:512:37
7:35
+0:41
Finish
26.22 mi13:25:022:59:366:516:48
6:40
-0:55

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

6:40 /mi

Average Pace

6:51 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:59

99% of race

Time at Steady Pace

2:37

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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 mi10:46:5121:256:5421:25
6:54
#5496
10K
6.21 mi11:07:5842:326:5121:07
6:48
#5353
15K
9.32 mi11:29:091:03:436:5021:11
6:49
#5323
20K
12.43 mi11:50:141:24:486:4921:05
6:47
#5058
Half
13.11 mi11:54:481:29:226:494:34
6:42
#5006
25K
15.53 mi12:11:111:45:456:4816:23
6:45
#4769
30K
18.64 mi12:32:362:07:106:4921:25
6:54
#4499
20M
20.00 mi12:41:572:16:316:509:21
6:53
#4379
21M
21.00 mi12:49:162:23:506:517:19
7:19
#4301
35K
21.75 mi12:54:202:28:546:515:04
6:46
#4276
23M
23.00 mi13:02:582:37:326:518:38
6:54
#4176
24M
24.00 mi13:09:432:44:176:516:45
6:45
#4125
40K
24.85 mi13:15:372:50:116:515:54
6:54
#4091
25.2M
25.20 mi13:18:142:52:486:512:37
7:35
#4094
Finish
26.22 mi13:25:022:59:366:516:48
6:40
#4070
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5496506950695279(Top 20%)4876(Top 32%)4876(Top 218%)
10K6.21 mi3.10 mi5353+1434943+1264943+1265257(Top 20%)4859(Top 32%)4859(Top 217%)
15K9.32 mi3.11 mi5323+304926+174926+175279(Top 20%)4876(Top 32%)4876(Top 218%)
20K12.43 mi3.11 mi5058+2654696+2304696+2304306(Top 16%)4023(Top 27%)4023(Top 180%)
Half13.11 mi0.68 mi5006+524653+434653+434258(Top 16%)3982(Top 26%)3982(Top 178%)
25K15.53 mi2.42 mi4769+2374441+2124441+2123802(Top 14%)3576(Top 24%)3576(Top 160%)
30K18.64 mi3.11 mi4499+2704202+2394202+2393626(Top 14%)3406(Top 22%)3406(Top 152%)
20M20.00 mi1.36 mi4379+1204088+1144088+1143316(Top 12%)3105(Top 20%)3105(Top 139%)
21M21.00 mi1.00 mi4301+784021+674021+673693(Top 14%)3424(Top 23%)3424(Top 153%)
35K21.75 mi0.75 mi4276+253999+223999+224006(Top 15%)3681(Top 24%)3681(Top 164%)
23M23.00 mi1.25 mi4176+1003910+893910+893211(Top 12%)2988(Top 20%)2988(Top 133%)
24M24.00 mi1.00 mi4125+513862+483862+483382(Top 13%)3119(Top 21%)3119(Top 139%)
40K24.85 mi0.85 mi4091+343828+343828+343338(Top 13%)3054(Top 20%)3054(Top 136%)
25.2M25.20 mi0.35 mi4094-33833-53833-54282(Top 16%)3752(Top 25%)3752(Top 167%)
Finish26.22 mi1.02 mi4070+243808+253808+253360(Top 13%)3018(Top 20%)3018(Top 135%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5279

Males

4876

M40-44

4876

5K→10K

3.1 - 6.2 mi

Top 20%
×5story building
+79ft-138ft

Overall

5257

Males

4859

M40-44

4859

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5279

Males

4876

M40-44

4876

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4306

Males

4023

M40-44

4023

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+19ft-37ft

Overall

4258

Males

3982

M40-44

3982

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

3802

Males

3576

M40-44

3576

25K→30K

15.5 - 18.6 mi

Top 14%
×9story building
+181ft-148ft

Overall

3626

Males

3406

M40-44

3406

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3316

Males

3105

M40-44

3105

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

3693

Males

3424

M40-44

3424

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

4006

Males

3681

M40-44

3681

35K→23M

21.8 - 23.0 mi

Top 12%
×5story building
+23ft-63ft

Overall

3211

Males

2988

M40-44

2988

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3382

Males

3119

M40-44

3119

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3338

Males

3054

M40-44

3054

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4282

Males

3752

M40-44

3752

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3360

Males

3018

M40-44

3018

Passing Analysis

Category:
Athletes Passed
1918
Passed By
492
Net Change
+1426
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5496
5K → 10K279136+143#5496#5353
10K → 15K12393+30#5353#5323
15K → 20K28318+265#5323#5058
20K → Half608+52#5058#5006
Half → 25K2469+237#5006#4769
25K → 30K29525+270#4769#4499
30K → 20M13717+120#4499#4379
20M → 21M10527+78#4379#4301
21M → 35K4924+25#4301#4276
35K → 23M11313+100#4276#4176
23M → 24M7827+51#4176#4125
24M → 40K6531+34#4125#4091
40K → 25.2M2427-3#4091#4094
25.2M → Finish6137+24#4094#4070
TOTALS1918492+1426
📊

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