Boston Marathon logo
BOSTON MARATHON 2023

Tyler Kaplinger

Bib: 31531•M

MA

0:00
0:00
/ mi
Be the first to cheer!
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
8:44/mi
27:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
51:55
↑ 79↓ 1380.4%
15K· 9.32 mi
8:15/mi
1:17:34
↑ 67↓ 78
20K· 12.43 mi
8:03/mi
1:42:34
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:48:04
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
2:07:56
↑ 66↓ 880.2%
30K· 18.64 mi
8:31/mi
2:34:23
↑ 181↓ 1480.2%
20M
8:37/mi
2:46:05
↑ 64↓ 500.2%
21M
9:09/mi
2:55:14
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
3:01:15
↑ 17↓ 861.7%
23M
8:48/mi
3:12:16
↑ 23↓ 630.6%
24M
8:39/mi
3:20:55
↓ 821.3%
40K· 24.85 mi
8:54/mi
3:28:32
↓ 200.3%
25.2M
9:37/mi
3:31:51
↑ 13↓ 160.2%
Finish· 26.22 mi
8:24/mi
3:40:25
↑ 22↓ 21

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
Time1:48:04
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:52:21
Pace8:34 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:1727:098:4427:09
8:44
-
10K
6.21 mi12:12:0351:558:2124:46
7:58
-0:46
15K
9.32 mi12:37:421:17:348:1925:39
8:15
+0:17
20K
12.43 mi13:02:421:42:348:1525:00
8:03
-0:12
Half
13.11 mi13:08:121:48:048:155:30
8:04
+0:01
25K
15.53 mi13:28:042:07:568:1419:52
8:12
+0:08
30K
18.64 mi13:54:312:34:238:1726:27
8:31
+0:19
20M
20.00 mi14:06:132:46:058:1811:42
8:37
+0:06
21M
21.00 mi14:15:222:55:148:219:09
9:09
+0:32
35K
21.75 mi14:21:233:01:158:206:01
8:03
-1:06
23M
23.00 mi14:32:243:12:168:2211:01
8:48
+0:45
24M
24.00 mi14:41:033:20:558:228:39
8:39
-0:09
40K
24.85 mi14:48:403:28:328:237:37
8:54
+0:15
25.2M
25.20 mi14:51:593:31:518:243:19
9:37
+0:43
Finish
26.22 mi15:00:333:40:258:258:34
8:24
-1:13

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

7:58 /mi

Average Pace

8:25 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:48

48% of race

Time at Steady Pace

1:22:31

37% of race

Time at Slower Pace

31:06

14% of race

Average Pace: 8:24 /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 mi11:47:1727:098:4427:09
8:44
#19113
10K
6.21 mi12:12:0351:558:2124:46
7:58
#16888
15K
9.32 mi12:37:421:17:348:1925:39
8:15
#16672
20K
12.43 mi13:02:421:42:348:1525:00
8:03
#15933
Half
13.11 mi13:08:121:48:048:155:30
8:04
#15873
25K
15.53 mi13:28:042:07:568:1419:52
8:12
#15586
30K
18.64 mi13:54:312:34:238:1726:27
8:31
#15349
20M
20.00 mi14:06:132:46:058:1811:42
8:37
#15263
21M
21.00 mi14:15:222:55:148:219:09
9:09
#15169
35K
21.75 mi14:21:233:01:158:206:01
8:03
#15072
23M
23.00 mi14:32:243:12:168:2211:01
8:48
#15047
24M
24.00 mi14:41:033:20:558:228:39
8:39
#15038
40K
24.85 mi14:48:403:28:328:237:37
8:54
#15037
25.2M
25.20 mi14:51:593:31:518:243:19
9:37
#15046
Finish
26.22 mi15:00:333:40:258:258:34
8:24
#15039
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19113118191181916246(Top 61%)10787(Top 71%)10787(Top 204%)
10K6.21 mi3.10 mi16888+222511031+78811031+78814584(Top 55%)10159(Top 67%)10159(Top 192%)
15K9.32 mi3.11 mi16672+21610939+9210939+9216246(Top 61%)10787(Top 71%)10787(Top 204%)
20K12.43 mi3.11 mi15933+73910650+28910650+28913801(Top 52%)9795(Top 65%)9795(Top 185%)
Half13.11 mi0.68 mi15873+6010621+2910621+2914800(Top 56%)10217(Top 67%)10217(Top 193%)
25K15.53 mi2.42 mi15586+28710483+13810483+13814172(Top 53%)9835(Top 65%)9835(Top 186%)
30K18.64 mi3.11 mi15349+23710352+13110352+13114401(Top 54%)9821(Top 65%)9821(Top 186%)
20M20.00 mi1.36 mi15263+8610294+5810294+5814307(Top 54%)9691(Top 64%)9691(Top 183%)
21M21.00 mi1.00 mi15169+9410242+5210242+5214193(Top 53%)9589(Top 63%)9589(Top 181%)
35K21.75 mi0.75 mi15072+9710191+5110191+5112424(Top 47%)8758(Top 58%)8758(Top 166%)
23M23.00 mi1.25 mi15047+2510156+3510156+3514968(Top 56%)9796(Top 65%)9796(Top 185%)
24M24.00 mi1.00 mi15038+910141+1510141+1515347(Top 58%)9884(Top 65%)9884(Top 187%)
40K24.85 mi0.85 mi15037+110118+2310118+2315644(Top 59%)9970(Top 66%)9970(Top 189%)
25.2M25.20 mi0.35 mi15046-910112+610112+615680(Top 59%)9968(Top 66%)9968(Top 189%)
Finish26.22 mi1.02 mi15039+710086+2610086+2614765(Top 55%)9616(Top 63%)9616(Top 182%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16246

Males

10787

M18-39

10787

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14584

Males

10159

M18-39

10159

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16246

Males

10787

M18-39

10787

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13801

Males

9795

M18-39

9795

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14800

Males

10217

M18-39

10217

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14172

Males

9835

M18-39

9835

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14401

Males

9821

M18-39

9821

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14307

Males

9691

M18-39

9691

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14193

Males

9589

M18-39

9589

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12424

Males

8758

M18-39

8758

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14968

Males

9796

M18-39

9796

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

15347

Males

9884

M18-39

9884

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15644

Males

9970

M18-39

9970

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15680

Males

9968

M18-39

9968

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14765

Males

9616

M18-39

9616

Passing Analysis

Category:
Athletes Passed
4665
Passed By
591
Net Change
+4074
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19113
5K → 10K224318+2225#19113#16888
10K → 15K326110+216#16888#16672
15K → 20K7467+739#16672#15933
20K → Half7010+60#15933#15873
Half → 25K30619+287#15873#15586
25K → 30K30366+237#15586#15349
30K → 20M13145+86#15349#15263
20M → 21M12733+94#15263#15169
21M → 35K1047+97#15169#15072
35K → 23M8762+25#15072#15047
23M → 24M6354+9#15047#15038
24M → 40K6665+1#15038#15037
40K → 25.2M3241-9#15037#15046
25.2M → Finish6154+7#15046#15039
TOTALS4665591+4074
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing