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BOSTON MARATHON 2023

Mark Petersen

Bib: 5082•M

MN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 34%
Gender (Male)
#0 / 15176
Top 48%
Division (M18-39)
#0 / 5285
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
6:48/mi
21:07
↑ 97↓ 3451.5%
10K· 6.21 mi
6:56/mi
42:41
↑ 79↓ 1380.4%
15K· 9.32 mi
7:01/mi
1:04:29
↑ 67↓ 78
20K· 12.43 mi
7:19/mi
1:27:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:32:08
↑ 19↓ 370.5%
25K· 15.53 mi
7:30/mi
1:50:19
↑ 66↓ 880.2%
30K· 18.64 mi
7:52/mi
2:14:44
↑ 181↓ 1480.2%
20M
7:52/mi
2:25:26
↑ 64↓ 500.2%
21M
8:23/mi
2:33:49
↑ 106↓ 241.6%
35K· 21.75 mi
8:28/mi
2:40:09
↑ 17↓ 861.7%
23M
8:51/mi
2:51:14
↑ 23↓ 630.6%
24M
8:50/mi
3:00:04
↓ 821.3%
40K· 24.85 mi
8:54/mi
3:07:41
↓ 200.3%
25.2M
10:44/mi
3:11:23
↑ 13↓ 160.2%
Finish· 26.22 mi
7:43/mi
3:19:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:08
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:47:07
Pace8:10 /mi
📊Positive Split: 16.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4621:076:4821:07
6:48
-
10K
6.21 mi10:45:2042:416:5221:34
6:56
+0:08
15K
9.32 mi11:07:081:04:296:5521:48
7:01
+0:05
20K
12.43 mi11:29:511:27:127:0122:43
7:19
+0:18
Half
13.11 mi11:34:471:32:087:024:56
7:14
-0:05
25K
15.53 mi11:52:581:50:197:0618:11
7:30
+0:16
30K
18.64 mi12:17:232:14:447:1424:25
7:52
+0:22
20M
20.00 mi12:28:052:25:267:1610:42
7:52
0:00
21M
21.00 mi12:36:282:33:497:198:23
8:23
+0:31
35K
21.75 mi12:42:482:40:097:226:20
8:28
+0:05
23M
23.00 mi12:53:532:51:147:2711:05
8:51
+0:23
24M
24.00 mi13:02:433:00:047:308:50
8:50
-0:01
40K
24.85 mi13:10:203:07:417:337:37
8:54
+0:04
25.2M
25.20 mi13:14:023:11:237:363:42
10:44
+1:50
Finish
26.22 mi13:21:543:19:157:367:52
7:43
-3:01

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

6:48 /mi

Average Pace

7:36 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:08

46% of race

Time at Steady Pace

1:01:10

31% of race

Time at Slower Pace

45:57

23% of race

Average Pace: 7:36 /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 mi10:23:4621:076:4821:07
6:48
#4660
10K
6.21 mi10:45:2042:416:5221:34
6:56
#5591
15K
9.32 mi11:07:081:04:296:5521:48
7:01
#5987
20K
12.43 mi11:29:511:27:127:0122:43
7:19
#6443
Half
13.11 mi11:34:471:32:087:024:56
7:14
#6517
25K
15.53 mi11:52:581:50:197:0618:11
7:30
#6776
30K
18.64 mi12:17:232:14:447:1424:25
7:52
#7142
20M
20.00 mi12:28:052:25:267:1610:42
7:52
#7266
21M
21.00 mi12:36:282:33:497:198:23
8:23
#7359
35K
21.75 mi12:42:482:40:097:226:20
8:28
#7581
23M
23.00 mi12:53:532:51:147:2711:05
8:51
#8048
24M
24.00 mi13:02:433:00:047:308:50
8:50
#8421
40K
24.85 mi13:10:203:07:417:337:37
8:54
#8706
25.2M
25.20 mi13:14:023:11:237:363:42
10:44
#8935
Finish
26.22 mi13:21:543:19:157:367:52
7:43
#8953
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4660434343436665(Top 25%)5989(Top 39%)5989(Top 113%)
10K6.21 mi3.10 mi5591-9315152-8095152-8096435(Top 24%)5808(Top 38%)5808(Top 110%)
15K9.32 mi3.11 mi5987-3965469-3175469-3176665(Top 25%)5989(Top 39%)5989(Top 113%)
20K12.43 mi3.11 mi6443-4565817-3485817-3487869(Top 30%)6801(Top 45%)6801(Top 129%)
Half13.11 mi0.68 mi6517-745875-585875-588087(Top 30%)6959(Top 46%)6959(Top 132%)
25K15.53 mi2.42 mi6776-2596064-1896064-1898782(Top 33%)7307(Top 48%)7307(Top 138%)
30K18.64 mi3.11 mi7142-3666321-2576321-2579799(Top 37%)7715(Top 51%)7715(Top 146%)
20M20.00 mi1.36 mi7266-1246390-696390-699366(Top 35%)7394(Top 49%)7394(Top 140%)
21M21.00 mi1.00 mi7359-936427-376427-379724(Top 37%)7456(Top 49%)7456(Top 141%)
35K21.75 mi0.75 mi7581-2226565-1386565-13815052(Top 57%)9878(Top 65%)9878(Top 187%)
23M23.00 mi1.25 mi8048-4676838-2736838-27315248(Top 57%)9905(Top 65%)9905(Top 187%)
24M24.00 mi1.00 mi8421-3737052-2147052-21416350(Top 61%)10319(Top 68%)10319(Top 195%)
40K24.85 mi0.85 mi8706-2857198-1467198-14615623(Top 59%)9949(Top 66%)9949(Top 188%)
25.2M25.20 mi0.35 mi8935-2297326-1287326-12819721(Top 74%)11773(Top 78%)11773(Top 223%)
Finish26.22 mi1.02 mi8953-187319+77319+710065(Top 38%)7319(Top 48%)7319(Top 138%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

6665

Males

5989

M18-39

5989

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6435

Males

5808

M18-39

5808

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

6665

Males

5989

M18-39

5989

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

7869

Males

6801

M18-39

6801

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8087

Males

6959

M18-39

6959

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8782

Males

7307

M18-39

7307

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9799

Males

7715

M18-39

7715

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9366

Males

7394

M18-39

7394

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9724

Males

7456

M18-39

7456

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

15052

Males

9878

M18-39

9878

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

15248

Males

9905

M18-39

9905

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16350

Males

10319

M18-39

10319

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15623

Males

9949

M18-39

9949

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19721

Males

11773

M18-39

11773

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10065

Males

7319

M18-39

7319

Passing Analysis

Category:
Athletes Passed
316
Passed By
4609
Net Change
-4293
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4660
5K → 10K27958-931#4660#5591
10K → 15K22418-396#5591#5987
15K → 20K19475-456#5987#6443
20K → Half680-74#6443#6517
Half → 25K28287-259#6517#6776
25K → 30K38404-366#6776#7142
30K → 20M29153-124#7142#7266
20M → 21M35128-93#7266#7359
21M → 35K10232-222#7359#7581
35K → 23M17484-467#7581#8048
23M → 24M13386-373#8048#8421
24M → 40K14299-285#8421#8706
40K → 25.2M3232-229#8706#8935
25.2M → Finish5573-18#8935#8953
TOTALS3164609-4293
📊

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