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BOSTON MARATHON 2023

Steven Hemphill

Bib: 8115•M

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 19%
Division (M18-39)
#0 / 5285
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:28
Rank: #5616
Start → 5K
21:28 | 6:55/mi
10K· 6.21 mi
42:28
Rank: #5241 (+375)
5K → 10K
21:00 | 6:46/mi
15K· 9.32 mi
1:03:17
Rank: #4891 (+350)
10K → 15K
20:49 | 6:42/mi
20K· 12.43 mi
1:24:05
Rank: #4507 (+384)
15K → 20K
20:48 | 6:42/mi
Half· 13.11 mi
1:28:36
Rank: #4441 (+66)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:44:54
Rank: #4241 (+200)
Half → 25K
16:18 | 6:43/mi
30K· 18.64 mi
2:06:01
Rank: #3950 (+291)
25K → 30K
21:07 | 6:48/mi
20M
2:15:17
Rank: #3810 (+140)
30K → 20M
9:16 | 6:49/mi
21M
2:22:20
Rank: #3677 (+133)
20M → 21M
7:03 | 7:03/mi
35K· 21.75 mi
2:27:12
Rank: #3604 (+73)
21M → 35K
4:52 | 6:30/mi
23M
2:35:37
Rank: #3461 (+143)
35K → 23M
8:25 | 6:43/mi
24M
2:42:12
Rank: #3381 (+80)
23M → 24M
6:35 | 6:35/mi
40K· 24.85 mi
2:47:41
Rank: #3237 (+144)
24M → 40K
5:29 | 6:25/mi
25.2M
2:50:04
Rank: #3183 (+54)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:56:31
Rank: #3063 (+120)
25.2M → Finish
6:27 | 6:20/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:28:36
Pace6:46 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:27:55
Pace6:42 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5221:286:5521:28
6:55
-
10K
6.21 mi11:07:5242:286:5021:00
6:46
-0:09
15K
9.32 mi11:28:411:03:176:4720:49
6:42
-0:04
20K
12.43 mi11:49:291:24:056:4620:48
6:42
0:00
Half
13.11 mi11:54:001:28:366:464:31
6:37
-0:05
25K
15.53 mi12:10:181:44:546:4516:18
6:43
+0:06
30K
18.64 mi12:31:252:06:016:4621:07
6:48
+0:05
20M
20.00 mi12:40:412:15:176:469:16
6:49
+0:01
21M
21.00 mi12:47:442:22:206:477:03
7:03
+0:14
35K
21.75 mi12:52:362:27:126:464:52
6:30
-0:33
23M
23.00 mi13:01:012:35:376:468:25
6:43
+0:13
24M
24.00 mi13:07:362:42:126:466:35
6:35
-0:08
40K
24.85 mi13:13:052:47:416:455:29
6:25
-0:10
25.2M
25.20 mi13:15:282:50:046:452:23
6:55
+0:30
Finish
26.22 mi13:21:552:56:316:446:27
6:20
-0:35

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

6:20 /mi

Average Pace

6:44 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:28

96% of race

Time at Steady Pace

7:03

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:44 /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 mi10:46:5221:286:5521:28
6:55
#5616
10K
6.21 mi11:07:5242:286:5021:00
6:46
#5241
15K
9.32 mi11:28:411:03:176:4720:49
6:42
#4891
20K
12.43 mi11:49:291:24:056:4620:48
6:42
#4507
Half
13.11 mi11:54:001:28:366:464:31
6:37
#4441
25K
15.53 mi12:10:181:44:546:4516:18
6:43
#4241
30K
18.64 mi12:31:252:06:016:4621:07
6:48
#3950
20M
20.00 mi12:40:412:15:176:469:16
6:49
#3810
21M
21.00 mi12:47:442:22:206:477:03
7:03
#3677
35K
21.75 mi12:52:362:27:126:464:52
6:30
#3604
23M
23.00 mi13:01:012:35:376:468:25
6:43
#3461
24M
24.00 mi13:07:362:42:126:466:35
6:35
#3381
40K
24.85 mi13:13:052:47:416:455:29
6:25
#3237
25.2M
25.20 mi13:15:282:50:046:452:23
6:55
#3183
Finish
26.22 mi13:21:552:56:316:446:27
6:20
#3063
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5616516851684110(Top 15%)3856(Top 25%)3856(Top 73%)
10K6.21 mi3.10 mi5241+3754847+3214847+3214883(Top 18%)4528(Top 30%)4528(Top 86%)
15K9.32 mi3.11 mi4891+3504548+2994548+2994110(Top 15%)3856(Top 25%)3856(Top 73%)
20K12.43 mi3.11 mi4507+3844209+3394209+3393530(Top 13%)3339(Top 22%)3339(Top 63%)
Half13.11 mi0.68 mi4441+664155+544155+543545(Top 13%)3353(Top 22%)3353(Top 63%)
25K15.53 mi2.42 mi4241+2003976+1793976+1793528(Top 13%)3333(Top 22%)3333(Top 63%)
30K18.64 mi3.11 mi3950+2913721+2553721+2552961(Top 11%)2803(Top 18%)2803(Top 53%)
20M20.00 mi1.36 mi3810+1403591+1303591+1302941(Top 11%)2766(Top 18%)2766(Top 52%)
21M21.00 mi1.00 mi3677+1333473+1183473+1182396(Top 9%)2265(Top 15%)2265(Top 43%)
35K21.75 mi0.75 mi3604+733407+663407+662449(Top 9%)2321(Top 15%)2321(Top 44%)
23M23.00 mi1.25 mi3461+1433273+1343273+1342277(Top 9%)2148(Top 14%)2148(Top 41%)
24M24.00 mi1.00 mi3381+803199+743199+742476(Top 9%)2312(Top 15%)2312(Top 44%)
40K24.85 mi0.85 mi3237+1443063+1363063+1361270(Top 5%)1198(Top 8%)1198(Top 23%)
25.2M25.20 mi0.35 mi3183+543013+503013+501515(Top 6%)1432(Top 9%)1432(Top 27%)
Finish26.22 mi1.02 mi3063+1202900+1132900+1131751(Top 7%)1647(Top 11%)1647(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4110

Males

3856

M18-39

3856

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4883

Males

4528

M18-39

4528

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4110

Males

3856

M18-39

3856

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3530

Males

3339

M18-39

3339

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3545

Males

3353

M18-39

3353

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3528

Males

3333

M18-39

3333

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2961

Males

2803

M18-39

2803

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2941

Males

2766

M18-39

2766

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2396

Males

2265

M18-39

2265

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2449

Males

2321

M18-39

2321

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2277

Males

2148

M18-39

2148

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2476

Males

2312

M18-39

2312

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1270

Males

1198

M18-39

1198

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1515

Males

1432

M18-39

1432

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1751

Males

1647

M18-39

1647

Passing Analysis

Category:
Athletes Passed
2719
Passed By
166
Net Change
+2553
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5616
5K → 10K44570+375#5616#5241
10K → 15K36717+350#5241#4891
15K → 20K3917+384#4891#4507
20K → Half704+66#4507#4441
Half → 25K21212+200#4441#4241
25K → 30K2998+291#4241#3950
30K → 20M15111+140#3950#3810
20M → 21M14310+133#3810#3677
21M → 35K807+73#3677#3604
35K → 23M1496+143#3604#3461
23M → 24M855+80#3461#3381
24M → 40K1484+144#3381#3237
40K → 25.2M551+54#3237#3183
25.2M → Finish1244+120#3183#3063
TOTALS2719166+2553
📊

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