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BOSTON MARATHON 2023

Davis Loen

Bib: 5610•M

KY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 40%
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
7:19/mi
22:45
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
46:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:24/mi
1:09:04
↑ 67↓ 78
20K· 12.43 mi
7:33/mi
1:32:32
↑ 106↓ 860.1%
Half· 13.11 mi
7:01/mi
1:37:19
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
1:56:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:10/mi
2:21:29
↑ 181↓ 1480.2%
20M
8:12/mi
2:32:38
↑ 64↓ 500.2%
21M
8:40/mi
2:41:18
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
2:47:17
↑ 17↓ 861.7%
23M
8:42/mi
2:58:10
↑ 23↓ 630.6%
24M
8:25/mi
3:06:35
↓ 821.3%
40K· 24.85 mi
8:42/mi
3:14:01
↓ 200.3%
25.2M
9:20/mi
3:17:14
↑ 13↓ 160.2%
Finish· 26.22 mi
7:52/mi
3:25:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:19
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:47:56
Pace8:14 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2322:457:1922:45
7:19
-
10K
6.21 mi10:48:4346:057:2523:20
7:31
+0:12
15K
9.32 mi11:11:421:09:047:2522:59
7:24
-0:07
20K
12.43 mi11:35:101:32:327:2723:28
7:33
+0:09
Half
13.11 mi11:39:571:37:197:254:47
7:01
-0:32
25K
15.53 mi11:58:461:56:087:2918:49
7:46
+0:45
30K
18.64 mi12:24:072:21:297:3525:21
8:10
+0:24
20M
20.00 mi12:35:162:32:387:3811:09
8:12
+0:02
21M
21.00 mi12:43:562:41:187:418:40
8:40
+0:28
35K
21.75 mi12:49:552:47:177:425:59
8:00
-0:40
23M
23.00 mi13:00:482:58:107:4510:53
8:42
+0:42
24M
24.00 mi13:09:133:06:357:468:25
8:25
-0:17
40K
24.85 mi13:16:393:14:017:487:26
8:42
+0:17
25.2M
25.20 mi13:19:523:17:147:503:13
9:20
+0:38
Finish
26.22 mi13:27:533:25:157:508:01
7:52
-1:28

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

7:01 /mi

Average Pace

7:50 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:19

47% of race

Time at Steady Pace

1:09:19

34% of race

Time at Slower Pace

38:37

19% of race

Average Pace: 7:50 /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 mi10:25:2322:457:1922:45
7:19
#8259
10K
6.21 mi10:48:4346:057:2523:20
7:31
#9308
15K
9.32 mi11:11:421:09:047:2522:59
7:24
#9273
20K
12.43 mi11:35:101:32:327:2723:28
7:33
#9378
Half
13.11 mi11:39:571:37:197:254:47
7:01
#9200
25K
15.53 mi11:58:461:56:087:2918:49
7:46
#9444
30K
18.64 mi12:24:072:21:297:3525:21
8:10
#9905
20M
20.00 mi12:35:162:32:387:3811:09
8:12
#9991
21M
21.00 mi12:43:562:41:187:418:40
8:40
#10062
35K
21.75 mi12:49:552:47:177:425:59
8:00
#10132
23M
23.00 mi13:00:482:58:107:4510:53
8:42
#10365
24M
24.00 mi13:09:133:06:357:468:25
8:25
#10529
40K
24.85 mi13:16:393:14:017:487:26
8:42
#10675
25.2M
25.20 mi13:19:523:17:147:503:13
9:20
#10734
Finish
26.22 mi13:27:533:25:157:508:01
7:52
#10741
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8259714371439313(Top 35%)7749(Top 51%)7749(Top 147%)
10K6.21 mi3.10 mi9308-10497762-6197762-61910523(Top 40%)8441(Top 56%)8441(Top 160%)
15K9.32 mi3.11 mi9273+357730+327730+329313(Top 35%)7749(Top 51%)7749(Top 147%)
20K12.43 mi3.11 mi9378-1057782-527782-529724(Top 37%)7920(Top 52%)7920(Top 150%)
Half13.11 mi0.68 mi9200+1787669+1137669+1136633(Top 25%)5973(Top 39%)5973(Top 113%)
25K15.53 mi2.42 mi9444-2447806-1377806-13710781(Top 40%)8388(Top 55%)8388(Top 159%)
30K18.64 mi3.11 mi9905-4618042-2368042-23612051(Top 45%)8821(Top 58%)8821(Top 167%)
20M20.00 mi1.36 mi9991-868064-228064-2211713(Top 44%)8576(Top 57%)8576(Top 162%)
21M21.00 mi1.00 mi10062-718073-98073-911431(Top 43%)8308(Top 55%)8308(Top 157%)
35K21.75 mi0.75 mi10132-708095-228095-2212067(Top 45%)8576(Top 57%)8576(Top 162%)
23M23.00 mi1.25 mi10365-2338170-758170-7514309(Top 54%)9488(Top 63%)9488(Top 180%)
24M24.00 mi1.00 mi10529-1648217-478217-4713942(Top 52%)9278(Top 61%)9278(Top 176%)
40K24.85 mi0.85 mi10675-1468272-558272-5514436(Top 54%)9421(Top 62%)9421(Top 178%)
25.2M25.20 mi0.35 mi10734-598286-148286-1414234(Top 53%)9327(Top 61%)9327(Top 176%)
Finish26.22 mi1.02 mi10741-78259+278259+2711130(Top 42%)7854(Top 52%)7854(Top 149%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9313

Males

7749

M18-39

7749

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10523

Males

8441

M18-39

8441

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9313

Males

7749

M18-39

7749

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9724

Males

7920

M18-39

7920

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6633

Males

5973

M18-39

5973

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10781

Males

8388

M18-39

8388

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12051

Males

8821

M18-39

8821

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11713

Males

8576

M18-39

8576

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11431

Males

8308

M18-39

8308

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12067

Males

8576

M18-39

8576

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

14309

Males

9488

M18-39

9488

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13942

Males

9278

M18-39

9278

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14436

Males

9421

M18-39

9421

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14234

Males

9327

M18-39

9327

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11130

Males

7854

M18-39

7854

Passing Analysis

Category:
Athletes Passed
952*
Passed By
3432
Net Change
-2482
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8259
5K → 10K351084-1049#8259#9308
10K → 15K165130+35#9308#9273
15K → 20K112217-105#9273#9378
20K → Half1780+178#9378#9200
Half → 25K56300-244#9200#9444
25K → 30K60*521-461#9444#9905
30K → 20M68154-86#9905#9991
20M → 21M65134-71#9991#10062
21M → 35K2696-70#10062#10132
35K → 23M40273-233#10132#10365
23M → 24M29193-164#10365#10529
24M → 40K36182-146#10529#10675
40K → 25.2M1473-59#10675#10734
25.2M → Finish6875-7#10734#10741
TOTALS952*3432-2482

* 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