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BOSTON MARATHON 2023

Mike Preston

Bib: 29486•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
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
7:37/mi
23:39
↑ 97↓ 3451.5%
10K· 6.21 mi
7:32/mi
47:04
↑ 79↓ 1380.4%
15K· 9.32 mi
7:32/mi
1:10:29
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:34:21
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:39:31
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
1:58:22
↑ 66↓ 880.2%
30K· 18.64 mi
8:48/mi
2:25:43
↑ 181↓ 1480.2%
20M
9:03/mi
2:38:01
↑ 64↓ 500.2%
21M
10:26/mi
2:48:27
↑ 106↓ 241.6%
35K· 21.75 mi
9:09/mi
2:55:18
↑ 17↓ 861.7%
23M
9:27/mi
3:07:08
↑ 23↓ 630.6%
24M
9:22/mi
3:16:30
↓ 821.3%
40K· 24.85 mi
9:49/mi
3:24:54
↓ 200.3%
25.2M
8:33/mi
3:27:51
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:35:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:31
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:56:22
Pace8:53 /mi
📊Positive Split: 16.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:0723:397:3723:39
7:37
-
10K
6.21 mi12:04:3247:047:3423:25
7:32
-0:05
15K
9.32 mi12:27:571:10:297:3423:25
7:32
0:00
20K
12.43 mi12:51:491:34:217:3623:52
7:41
+0:09
Half
13.11 mi12:56:591:39:317:355:10
7:34
-0:07
25K
15.53 mi13:15:501:58:227:3718:51
7:46
+0:12
30K
18.64 mi13:43:112:25:437:4927:21
8:48
+1:02
20M
20.00 mi13:55:292:38:017:5412:18
9:03
+0:15
21M
21.00 mi14:05:552:48:278:0110:26
10:26
+1:23
35K
21.75 mi14:12:462:55:188:046:51
9:09
-1:17
23M
23.00 mi14:24:363:07:088:0811:50
9:27
+0:18
24M
24.00 mi14:33:583:16:308:119:22
9:22
-0:05
40K
24.85 mi14:42:223:24:548:158:24
9:49
+0:27
25.2M
25.20 mi14:45:193:27:518:152:57
8:33
-1:16
Finish
26.22 mi14:53:213:35:538:148:02
7:53
-0:40

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

7:32 /mi

Average Pace

8:14 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:24

59% of race

Time at Steady Pace

30:18

14% of race

Time at Slower Pace

59:11

27% of race

Average Pace: 8:14 /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 mi11:41:0723:397:3723:39
7:37
#10647
10K
6.21 mi12:04:3247:047:3423:25
7:32
#10676
15K
9.32 mi12:27:571:10:297:3423:25
7:32
#10603
20K
12.43 mi12:51:491:34:217:3623:52
7:41
#10638
Half
13.11 mi12:56:591:39:317:355:10
7:34
#10651
25K
15.53 mi13:15:501:58:227:3718:51
7:46
#10652
30K
18.64 mi13:43:112:25:437:4927:21
8:48
#11755
20M
20.00 mi13:55:292:38:017:5412:18
9:03
#12226
21M
21.00 mi14:05:552:48:278:0110:26
10:26
#12832
35K
21.75 mi14:12:462:55:188:046:51
9:09
#13097
23M
23.00 mi14:24:363:07:088:0811:50
9:27
#13490
24M
24.00 mi14:33:583:16:308:119:22
9:22
#13772
40K
24.85 mi14:42:223:24:548:158:24
9:49
#14084
25.2M
25.20 mi14:45:193:27:518:152:57
8:33
#14002
Finish
26.22 mi14:53:213:35:538:148:02
7:53
#13874
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi106478480848010484(Top 39%)8408(Top 55%)8408(Top 159%)
10K6.21 mi3.10 mi10676-298504-248504-2410772(Top 40%)8573(Top 56%)8573(Top 162%)
15K9.32 mi3.11 mi10603+738467+378467+3710484(Top 39%)8408(Top 55%)8408(Top 159%)
20K12.43 mi3.11 mi10638-358477-108477-1010777(Top 40%)8465(Top 56%)8465(Top 160%)
Half13.11 mi0.68 mi10651-138483-68483-610815(Top 41%)8541(Top 56%)8541(Top 162%)
25K15.53 mi2.42 mi10652-18462+218462+2110894(Top 41%)8454(Top 56%)8454(Top 160%)
30K18.64 mi3.11 mi11755-11038903-4418903-44116070(Top 60%)10503(Top 69%)10503(Top 199%)
20M20.00 mi1.36 mi12226-4719094-1919094-19116781(Top 63%)10732(Top 71%)10732(Top 203%)
21M21.00 mi1.00 mi12832-6069321-2279321-22719351(Top 73%)11776(Top 78%)11776(Top 223%)
35K21.75 mi0.75 mi13097-2659429-1089429-10818532(Top 70%)11374(Top 75%)11374(Top 215%)
23M23.00 mi1.25 mi13490-3939561-1329561-13218113(Top 68%)11157(Top 74%)11157(Top 211%)
24M24.00 mi1.00 mi13772-2829639-789639-7818697(Top 70%)11396(Top 75%)11396(Top 216%)
40K24.85 mi0.85 mi14084-3129742-1039742-10319442(Top 73%)11679(Top 77%)11679(Top 221%)
25.2M25.20 mi0.35 mi14002+829704+389704+389875(Top 37%)7261(Top 48%)7261(Top 137%)
Finish26.22 mi1.02 mi13874+1289640+649640+6411280(Top 42%)7937(Top 52%)7937(Top 150%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10484

Males

8408

M18-39

8408

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10772

Males

8573

M18-39

8573

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10484

Males

8408

M18-39

8408

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10777

Males

8465

M18-39

8465

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10815

Males

8541

M18-39

8541

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10894

Males

8454

M18-39

8454

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

16070

Males

10503

M18-39

10503

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16781

Males

10732

M18-39

10732

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

19351

Males

11776

M18-39

11776

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18532

Males

11374

M18-39

11374

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

18113

Males

11157

M18-39

11157

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

18697

Males

11396

M18-39

11396

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19442

Males

11679

M18-39

11679

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9875

Males

7261

M18-39

7261

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11280

Males

7937

M18-39

7937

Passing Analysis

Category:
Athletes Passed
1155
Passed By
4382
Net Change
-3227
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10647
5K → 10K277306-29#10647#10676
10K → 15K224151+73#10676#10603
15K → 20K145180-35#10603#10638
20K → Half2538-13#10638#10651
Half → 25K127128-1#10651#10652
25K → 30K281131-1103#10652#11755
30K → 20M22493-471#11755#12226
20M → 21M12618-606#12226#12832
21M → 35K10275-265#12832#13097
35K → 23M19412-393#13097#13490
23M → 24M20302-282#13490#13772
24M → 40K16328-312#13772#14084
40K → 25.2M842+82#14084#14002
25.2M → Finish14618+128#14002#13874
TOTALS11554382-3227
📊

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