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BOSTON MARATHON 2023

Tyler Larson

Bib: 3679•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 21%
Division (M18-39)
#0 / 5285
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:00
Rank: #4232
Start → 5K
21:00 | 6:46/mi
10K· 6.21 mi
41:31
Rank: #3779 (+453)
5K → 10K
20:31 | 6:36/mi
15K· 9.32 mi
1:02:04
Rank: #3623 (+156)
10K → 15K
20:33 | 6:37/mi
20K· 12.43 mi
1:22:49
Rank: #3547 (+76)
15K → 20K
20:45 | 6:41/mi
Half· 13.11 mi
1:27:22
Rank: #3566 (-19)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:43:43
Rank: #3569 (-3)
Half → 25K
16:21 | 6:45/mi
30K· 18.64 mi
2:05:00
Rank: #3483 (+86)
25K → 30K
21:17 | 6:51/mi
20M
2:14:21
Rank: #3436 (+47)
30K → 20M
9:21 | 6:53/mi
21M
2:21:44
Rank: #3446 (-10)
20M → 21M
7:23 | 7:23/mi
35K· 21.75 mi
2:26:42
Rank: #3407 (+39)
21M → 35K
4:58 | 6:38/mi
23M
2:35:21
Rank: #3358 (+49)
35K → 23M
8:39 | 6:55/mi
24M
2:42:07
Rank: #3363 (-5)
23M → 24M
6:46 | 6:46/mi
40K· 24.85 mi
2:48:04
Rank: #3360 (+3)
24M → 40K
5:57 | 6:58/mi
25.2M
2:50:39
Rank: #3348 (+12)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:57:41
Rank: #3382 (-34)
25.2M → Finish
7:02 | 6:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:22
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:30:19
Pace6:53 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3321:006:4621:00
6:46
-
10K
6.21 mi10:43:0441:316:4120:31
6:36
-0:10
15K
9.32 mi11:03:371:02:046:4020:33
6:37
+0:01
20K
12.43 mi11:24:221:22:496:4020:45
6:41
+0:04
Half
13.11 mi11:28:551:27:226:404:33
6:40
-0:01
25K
15.53 mi11:45:161:43:436:4116:21
6:45
+0:05
30K
18.64 mi12:06:332:05:006:4221:17
6:51
+0:06
20M
20.00 mi12:15:542:14:216:439:21
6:53
+0:02
21M
21.00 mi12:23:172:21:446:457:23
7:23
+0:30
35K
21.75 mi12:28:152:26:426:454:58
6:38
-0:45
23M
23.00 mi12:36:542:35:216:458:39
6:55
+0:17
24M
24.00 mi12:43:402:42:076:456:46
6:46
-0:09
40K
24.85 mi12:49:372:48:046:465:57
6:58
+0:12
25.2M
25.20 mi12:52:122:50:396:462:35
7:29
+0:31
Finish
26.22 mi12:59:142:57:416:477:02
6:54
-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

6:36 /mi

Average Pace

6:47 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:43

94% of race

Time at Steady Pace

9:58

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:47 /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 mi10:22:3321:006:4621:00
6:46
#4232
10K
6.21 mi10:43:0441:316:4120:31
6:36
#3779
15K
9.32 mi11:03:371:02:046:4020:33
6:37
#3623
20K
12.43 mi11:24:221:22:496:4020:45
6:41
#3547
Half
13.11 mi11:28:551:27:226:404:33
6:40
#3566
25K
15.53 mi11:45:161:43:436:4116:21
6:45
#3569
30K
18.64 mi12:06:332:05:006:4221:17
6:51
#3483
20M
20.00 mi12:15:542:14:216:439:21
6:53
#3436
21M
21.00 mi12:23:172:21:446:457:23
7:23
#3446
35K
21.75 mi12:28:152:26:426:454:58
6:38
#3407
23M
23.00 mi12:36:542:35:216:458:39
6:55
#3358
24M
24.00 mi12:43:402:42:076:456:46
6:46
#3363
40K
24.85 mi12:49:372:48:046:465:57
6:58
#3360
25.2M
25.20 mi12:52:122:50:396:462:35
7:29
#3348
Finish
26.22 mi12:59:142:57:416:477:02
6:54
#3382
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4232396139613407(Top 13%)3232(Top 21%)3232(Top 61%)
10K6.21 mi3.10 mi3779+4533559+4023559+4023518(Top 13%)3331(Top 22%)3331(Top 63%)
15K9.32 mi3.11 mi3623+1563423+1363423+1363407(Top 13%)3232(Top 21%)3232(Top 61%)
20K12.43 mi3.11 mi3547+763357+663357+663406(Top 13%)3229(Top 21%)3229(Top 61%)
Half13.11 mi0.68 mi3566-193376-193376-193991(Top 15%)3743(Top 25%)3743(Top 71%)
25K15.53 mi2.42 mi3569-33379-33379-33688(Top 14%)3473(Top 23%)3473(Top 66%)
30K18.64 mi3.11 mi3483+863297+823297+823314(Top 12%)3122(Top 21%)3122(Top 59%)
20M20.00 mi1.36 mi3436+473252+453252+453290(Top 12%)3079(Top 20%)3079(Top 58%)
21M21.00 mi1.00 mi3446-103264-123264-124039(Top 15%)3717(Top 24%)3717(Top 70%)
35K21.75 mi0.75 mi3407+393225+393225+393219(Top 12%)3004(Top 20%)3004(Top 57%)
23M23.00 mi1.25 mi3358+493180+453180+453271(Top 12%)3040(Top 20%)3040(Top 58%)
24M24.00 mi1.00 mi3363-53182-23182-23463(Top 13%)3188(Top 21%)3188(Top 60%)
40K24.85 mi0.85 mi3360+33178+43178+43606(Top 14%)3270(Top 22%)3270(Top 62%)
25.2M25.20 mi0.35 mi3348+123164+143164+143804(Top 14%)3394(Top 22%)3394(Top 64%)
Finish26.22 mi1.02 mi3382-343191-273191-274603(Top 17%)3992(Top 26%)3992(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3407

Males

3232

M18-39

3232

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3518

Males

3331

M18-39

3331

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3407

Males

3232

M18-39

3232

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3406

Males

3229

M18-39

3229

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3991

Males

3743

M18-39

3743

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3688

Males

3473

M18-39

3473

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3314

Males

3122

M18-39

3122

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3290

Males

3079

M18-39

3079

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4039

Males

3717

M18-39

3717

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3219

Males

3004

M18-39

3004

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3271

Males

3040

M18-39

3040

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3463

Males

3188

M18-39

3188

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3606

Males

3270

M18-39

3270

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3804

Males

3394

M18-39

3394

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4603

Males

3992

M18-39

3992

Passing Analysis

Category:
Athletes Passed
1472
Passed By
622
Net Change
+850
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4232
5K → 10K51663+453#4232#3779
10K → 15K19741+156#3779#3623
15K → 20K12044+76#3623#3547
20K → Half726-19#3547#3566
Half → 25K7679-3#3566#3569
25K → 30K14963+86#3569#3483
30K → 20M8134+47#3483#3436
20M → 21M5464-10#3436#3446
21M → 35K5415+39#3446#3407
35K → 23M7526+49#3407#3358
23M → 24M3944-5#3358#3363
24M → 40K3936+3#3363#3360
40K → 25.2M2816+12#3360#3348
25.2M → Finish3771-34#3348#3382
TOTALS1472622+850
📊

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