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BOSTON MARATHON 2023

Steve Parton

Bib: 11501•M

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 43%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 48%
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
7:34/mi
23:32
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
46:37
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:09:47
↑ 67↓ 78
20K· 12.43 mi
7:31/mi
1:33:07
↑ 106↓ 860.1%
Half· 13.11 mi
7:21/mi
1:38:08
↑ 19↓ 370.5%
25K· 15.53 mi
7:33/mi
1:56:27
↑ 66↓ 880.2%
30K· 18.64 mi
7:45/mi
2:20:33
↑ 181↓ 1480.2%
20M
7:56/mi
2:31:20
↑ 64↓ 500.2%
21M
8:27/mi
2:39:47
↑ 106↓ 241.6%
35K· 21.75 mi
8:01/mi
2:45:47
↑ 17↓ 861.7%
23M
8:53/mi
2:56:54
↑ 23↓ 630.6%
24M
8:52/mi
3:05:46
↓ 821.3%
40K· 24.85 mi
10:35/mi
3:14:49
↓ 200.3%
25.2M
9:34/mi
3:18:07
↑ 13↓ 160.2%
Finish· 26.22 mi
9:15/mi
3:27:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:08
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:49:25
Pace8:21 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3723:327:3423:32
7:34
-
10K
6.21 mi11:13:4246:377:3023:05
7:26
-0:08
15K
9.32 mi11:36:521:09:477:2923:10
7:27
+0:01
20K
12.43 mi12:00:121:33:077:3023:20
7:31
+0:04
Half
13.11 mi12:05:131:38:087:295:01
7:21
-0:10
25K
15.53 mi12:23:321:56:277:3018:19
7:33
+0:12
30K
18.64 mi12:47:382:20:337:3224:06
7:45
+0:12
20M
20.00 mi12:58:252:31:207:3410:47
7:56
+0:11
21M
21.00 mi13:06:522:39:477:378:27
8:27
+0:31
35K
21.75 mi13:12:522:45:477:376:00
8:01
-0:26
23M
23.00 mi13:23:592:56:547:4111:07
8:53
+0:52
24M
24.00 mi13:32:513:05:467:448:52
8:52
-0:01
40K
24.85 mi13:41:543:14:497:509:03
10:35
+1:43
25.2M
25.20 mi13:45:123:18:077:523:18
9:34
-1:01
Finish
26.22 mi13:54:383:27:337:559:26
9:15
-0:19

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

7:21 /mi

Average Pace

7:55 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

51:16

25% of race

Time at Steady Pace

1:46:04

51% of race

Time at Slower Pace

50:13

24% of race

Average Pace: 7:55 /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 mi10:50:3723:327:3423:32
7:34
#10290
10K
6.21 mi11:13:4246:377:3023:05
7:26
#10045
15K
9.32 mi11:36:521:09:477:2923:10
7:27
#9920
20K
12.43 mi12:00:121:33:077:3023:20
7:31
#9761
Half
13.11 mi12:05:131:38:087:295:01
7:21
#9707
25K
15.53 mi12:23:321:56:277:3018:19
7:33
#9619
30K
18.64 mi12:47:382:20:337:3224:06
7:45
#9491
20M
20.00 mi12:58:252:31:207:3410:47
7:56
#9503
21M
21.00 mi13:06:522:39:477:378:27
8:27
#9497
35K
21.75 mi13:12:522:45:477:376:00
8:01
#9589
23M
23.00 mi13:23:592:56:547:4111:07
8:53
#9933
24M
24.00 mi13:32:513:05:467:448:52
8:52
#10264
40K
24.85 mi13:41:543:14:497:509:03
10:35
#10945
25.2M
25.20 mi13:45:123:18:077:523:18
9:34
#11022
Finish
26.22 mi13:54:383:27:337:559:26
9:15
#11467
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10290828882889826(Top 37%)8055(Top 53%)8055(Top 358%)
10K6.21 mi3.10 mi10045+2458175+1138175+1139883(Top 37%)8108(Top 53%)8108(Top 360%)
15K9.32 mi3.11 mi9920+1258119+568119+569826(Top 37%)8055(Top 53%)8055(Top 358%)
20K12.43 mi3.11 mi9761+1598016+1038016+1039386(Top 35%)7738(Top 51%)7738(Top 344%)
Half13.11 mi0.68 mi9707+547986+307986+309035(Top 34%)7551(Top 50%)7551(Top 335%)
25K15.53 mi2.42 mi9619+887911+757911+759199(Top 35%)7561(Top 50%)7561(Top 336%)
30K18.64 mi3.11 mi9491+1287795+1167795+1169033(Top 34%)7302(Top 48%)7302(Top 324%)
20M20.00 mi1.36 mi9503-127784+117784+119794(Top 37%)7643(Top 50%)7643(Top 339%)
21M21.00 mi1.00 mi9497+67755+297755+2910170(Top 38%)7700(Top 51%)7700(Top 342%)
35K21.75 mi0.75 mi9589-927798-437798-4312227(Top 46%)8645(Top 57%)8645(Top 384%)
23M23.00 mi1.25 mi9933-3447960-1627960-16215399(Top 58%)9978(Top 66%)9978(Top 443%)
24M24.00 mi1.00 mi10264-3318096-1368096-13616539(Top 62%)10411(Top 69%)10411(Top 462%)
40K24.85 mi0.85 mi10945-6818405-3098405-30921402(Top 80%)12534(Top 83%)12534(Top 557%)
25.2M25.20 mi0.35 mi11022-778431-268431-2615433(Top 58%)9854(Top 65%)9854(Top 438%)
Finish26.22 mi1.02 mi11467-4458617-1868617-18619159(Top 72%)11605(Top 76%)11605(Top 515%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9826

Males

8055

M45-49

8055

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9883

Males

8108

M45-49

8108

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9826

Males

8055

M45-49

8055

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9386

Males

7738

M45-49

7738

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9035

Males

7551

M45-49

7551

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9199

Males

7561

M45-49

7561

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9033

Males

7302

M45-49

7302

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9794

Males

7643

M45-49

7643

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10170

Males

7700

M45-49

7700

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12227

Males

8645

M45-49

8645

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

15399

Males

9978

M45-49

9978

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

16539

Males

10411

M45-49

10411

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21402

Males

12534

M45-49

12534

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15433

Males

9854

M45-49

9854

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19159

Males

11605

M45-49

11605

Passing Analysis

Category:
Athletes Passed
1651*
Passed By
2826
Net Change
-1177
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10290
5K → 10K442*197+245#10290#10045
10K → 15K253128+125#10045#9920
15K → 20K233*74+159#9920#9761
20K → Half6511+54#9761#9707
Half → 25K16375+88#9707#9619
25K → 30K229*101+128#9619#9491
30K → 20M7890-12#9491#9503
20M → 21M7973+6#9503#9497
21M → 35K28120-92#9497#9589
35K → 23M21365-344#9589#9933
23M → 24M24353-331#9933#10264
24M → 40K7688-681#10264#10945
40K → 25.2M1895-77#10945#11022
25.2M → Finish11456-445#11022#11467
TOTALS1651*2826-1177

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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