Boston Marathon logo
BOSTON MARATHON 2024

David Letky

Bib: 5280•M

QC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 23%
Gender (Male)
#0 / 14578
Top 34%
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:51
Rank: #7229
Start → 5K
21:51 | 7:02/mi
10K· 6.21 mi
43:27
Rank: #6788 (+441)
5K → 10K
21:36 | 6:57/mi
15K· 9.32 mi
1:05:13
Rank: #6585 (+203)
10K → 15K
21:46 | 7:00/mi
20K· 12.43 mi
1:27:24
Rank: #6381 (+204)
15K → 20K
22:11 | 7:08/mi
Half· 13.11 mi
1:32:14
Rank: #6356 (+25)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:50:23
Rank: #6373 (-17)
Half → 25K
18:09 | 7:29/mi
30K· 18.64 mi
2:14:44
Rank: #6337 (+36)
25K → 30K
24:21 | 7:50/mi
20M
2:25:32
Rank: #6257 (+80)
30K → 20M
10:48 | 7:57/mi
21M
2:33:59
Rank: #6157 (+100)
20M → 21M
8:27 | 8:27/mi
35K· 21.75 mi
2:39:54
Rank: #6135 (+22)
21M → 35K
5:55 | 7:55/mi
23M
2:50:19
Rank: #6107 (+28)
35K → 23M
10:25 | 8:19/mi
24M
2:58:09
Rank: #6017 (+90)
23M → 24M
7:50 | 7:50/mi
40K· 24.85 mi
3:05:04
Rank: #5946 (+71)
24M → 40K
6:55 | 8:05/mi
25.2M
3:08:13
Rank: #5940 (+6)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:16:04
Rank: #5932 (+8)
25.2M → Finish
7:51 | 7:42/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:14
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:43:50
Pace7:55 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:1421:517:0221:51
7:02
-
10K
6.21 mi10:47:5043:277:0021:36
6:57
-0:05
15K
9.32 mi11:09:361:05:137:0021:46
7:00
+0:03
20K
12.43 mi11:31:471:27:247:0222:11
7:08
+0:08
Half
13.11 mi11:36:371:32:147:024:50
7:05
-0:03
25K
15.53 mi11:54:461:50:237:0618:09
7:29
+0:24
30K
18.64 mi12:19:072:14:447:1424:21
7:50
+0:21
20M
20.00 mi12:29:552:25:327:1710:48
7:57
+0:07
21M
21.00 mi12:38:222:33:597:208:27
8:27
+0:30
35K
21.75 mi12:44:172:39:547:215:55
7:55
-0:32
23M
23.00 mi12:54:422:50:197:2410:25
8:19
+0:24
24M
24.00 mi13:02:322:58:097:257:50
7:50
-0:29
40K
24.85 mi13:09:273:05:047:276:55
8:05
+0:15
25.2M
25.20 mi13:12:363:08:137:283:09
9:08
+1:03
Finish
26.22 mi13:20:273:16:047:297:51
7:42
-1:26

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

6:57 /mi

Average Pace

7:29 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:23

56% of race

Time at Steady Pace

1:03:40

32% of race

Time at Slower Pace

22:01

11% of race

Average Pace: 7:29 /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 mi10:26:1421:517:0221:51
7:02
#7229
10K
6.21 mi10:47:5043:277:0021:36
6:57
#6788
15K
9.32 mi11:09:361:05:137:0021:46
7:00
#6585
20K
12.43 mi11:31:471:27:247:0222:11
7:08
#6381
Half
13.11 mi11:36:371:32:147:024:50
7:05
#6356
25K
15.53 mi11:54:461:50:237:0618:09
7:29
#6373
30K
18.64 mi12:19:072:14:447:1424:21
7:50
#6337
20M
20.00 mi12:29:552:25:327:1710:48
7:57
#6257
21M
21.00 mi12:38:222:33:597:208:27
8:27
#6157
35K
21.75 mi12:44:172:39:547:215:55
7:55
#6135
23M
23.00 mi12:54:422:50:197:2410:25
8:19
#6107
24M
24.00 mi13:02:322:58:097:257:50
7:50
#6017
40K
24.85 mi13:09:273:05:047:276:55
8:05
#5946
25.2M
25.20 mi13:12:363:08:137:283:09
9:08
#5940
Finish
26.22 mi13:20:273:16:047:297:51
7:42
#5932
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7229631763176237(Top 24%)5557(Top 38%)5557(Top 115%)
10K6.21 mi3.10 mi6788+4415996+3215996+3216349(Top 25%)5664(Top 39%)5664(Top 117%)
15K9.32 mi3.11 mi6585+2035837+1595837+1596237(Top 24%)5557(Top 38%)5557(Top 115%)
20K12.43 mi3.11 mi6381+2045665+1725665+1726031(Top 24%)5339(Top 37%)5339(Top 110%)
Half13.11 mi0.68 mi6356+255641+245641+246222(Top 24%)5470(Top 38%)5470(Top 113%)
25K15.53 mi2.42 mi6373-175622+195622+196869(Top 27%)5731(Top 39%)5731(Top 118%)
30K18.64 mi3.11 mi6337+365544+785544+786925(Top 27%)5584(Top 38%)5584(Top 115%)
20M20.00 mi1.36 mi6257+805445+995445+996440(Top 25%)5115(Top 35%)5115(Top 105%)
21M21.00 mi1.00 mi6157+1005347+985347+985993(Top 23%)4676(Top 32%)4676(Top 96%)
35K21.75 mi0.75 mi6135+225299+485299+487170(Top 28%)5312(Top 36%)5312(Top 110%)
23M23.00 mi1.25 mi6107+285237+625237+627435(Top 29%)5301(Top 36%)5301(Top 109%)
24M24.00 mi1.00 mi6017+905151+865151+865726(Top 22%)4313(Top 30%)4313(Top 89%)
40K24.85 mi0.85 mi5946+715072+795072+796211(Top 24%)4441(Top 30%)4441(Top 92%)
25.2M25.20 mi0.35 mi5940+65048+245048+247108(Top 28%)4850(Top 33%)4850(Top 100%)
Finish26.22 mi1.02 mi5932+85010+385010+386734(Top 26%)4726(Top 32%)4726(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6237

Males

5557

M18-39

5557

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6349

Males

5664

M18-39

5664

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6237

Males

5557

M18-39

5557

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6031

Males

5339

M18-39

5339

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6222

Males

5470

M18-39

5470

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

6869

Males

5731

M18-39

5731

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

6925

Males

5584

M18-39

5584

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6440

Males

5115

M18-39

5115

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

5993

Males

4676

M18-39

4676

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7170

Males

5312

M18-39

5312

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7435

Males

5301

M18-39

5301

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5726

Males

4313

M18-39

4313

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6211

Males

4441

M18-39

4441

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7108

Males

4850

M18-39

4850

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6734

Males

4726

M18-39

4726

Passing Analysis

Category:
Athletes Passed
2286
Passed By
989
Net Change
+1297
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7229
5K → 10K47534+441#7229#6788
10K → 15K25855+203#6788#6585
15K → 20K27167+204#6585#6381
20K → Half4217+25#6381#6356
Half → 25K143160-17#6356#6373
25K → 30K238202+36#6373#6337
30K → 20M15070+80#6337#6257
20M → 21M15151+100#6257#6157
21M → 35K8159+22#6157#6135
35K → 23M12395+28#6135#6107
23M → 24M12535+90#6107#6017
24M → 40K11847+71#6017#5946
40K → 25.2M3731+6#5946#5940
25.2M → Finish7466+8#5940#5932
TOTALS2286989+1297
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing