Boston Marathon logo
BOSTON MARATHON 2023

Tyler Schwab

Bib: 14829•M

NV

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 34%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 37%
Division (M50-54)
#0 / 2052
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:52
Rank: #11274
Start → 5K
23:52 | 7:41/mi
10K· 6.21 mi
47:26
Rank: #11198 (+76)
5K → 10K
23:34 | 7:35/mi
15K· 9.32 mi
1:10:33
Rank: #10649 (+549)
10K → 15K
23:07 | 7:26/mi
20K· 12.43 mi
1:33:47
Rank: #10242 (+407)
15K → 20K
23:14 | 7:29/mi
Half· 13.11 mi
1:38:47
Rank: #10146 (+96)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:56:42
Rank: #9754 (+392)
Half → 25K
17:55 | 7:23/mi
30K· 18.64 mi
2:20:07
Rank: #9282 (+472)
25K → 30K
23:25 | 7:32/mi
20M
2:30:28
Rank: #9130 (+152)
30K → 20M
10:21 | 7:37/mi
21M
2:38:25
Rank: #8984 (+146)
20M → 21M
7:57 | 7:57/mi
35K· 21.75 mi
2:44:09
Rank: #8998 (-14)
21M → 35K
5:44 | 7:40/mi
23M
2:53:55
Rank: #8943 (+55)
35K → 23M
9:46 | 7:48/mi
24M
3:01:32
Rank: #8882 (+61)
23M → 24M
7:37 | 7:37/mi
40K· 24.85 mi
3:08:16
Rank: #8888 (-6)
24M → 40K
6:44 | 7:53/mi
25.2M
3:11:12
Rank: #8875 (+13)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:19:17
Rank: #8965 (-90)
25.2M → Finish
8:05 | 7:56/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
Time1:38:47
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:40:30
Pace7:40 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1123:527:4123:52
7:41
-
10K
6.21 mi11:16:4547:267:3823:34
7:35
-0:06
15K
9.32 mi11:39:521:10:337:3423:07
7:26
-0:09
20K
12.43 mi12:03:061:33:477:3323:14
7:29
+0:03
Half
13.11 mi12:08:061:38:477:325:00
7:20
-0:09
25K
15.53 mi12:26:011:56:427:3117:55
7:23
+0:03
30K
18.64 mi12:49:262:20:077:3123:25
7:32
+0:09
20M
20.00 mi12:59:472:30:287:3110:21
7:37
+0:05
21M
21.00 mi13:07:442:38:257:337:57
7:57
+0:20
35K
21.75 mi13:13:282:44:097:335:44
7:40
-0:17
23M
23.00 mi13:23:142:53:557:349:46
7:48
+0:08
24M
24.00 mi13:30:513:01:327:347:37
7:37
-0:11
40K
24.85 mi13:37:353:08:167:346:44
7:53
+0:16
25.2M
25.20 mi13:40:313:11:127:352:56
8:30
+0:37
Finish
26.22 mi13:48:363:19:177:368:05
7:56
-0:34

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

7:20 /mi

Average Pace

7:36 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:21

99% of race

Time at Steady Pace

2:56

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi10:53:1123:527:4123:52
7:41
#11274
10K
6.21 mi11:16:4547:267:3823:34
7:35
#11198
15K
9.32 mi11:39:521:10:337:3423:07
7:26
#10649
20K
12.43 mi12:03:061:33:477:3323:14
7:29
#10242
Half
13.11 mi12:08:061:38:477:325:00
7:20
#10146
25K
15.53 mi12:26:011:56:427:3117:55
7:23
#9754
30K
18.64 mi12:49:262:20:077:3123:25
7:32
#9282
20M
20.00 mi12:59:472:30:287:3110:21
7:37
#9130
21M
21.00 mi13:07:442:38:257:337:57
7:57
#8984
35K
21.75 mi13:13:282:44:097:335:44
7:40
#8998
23M
23.00 mi13:23:142:53:557:349:46
7:48
#8943
24M
24.00 mi13:30:513:01:327:347:37
7:37
#8882
40K
24.85 mi13:37:353:08:167:346:44
7:53
#8888
25.2M
25.20 mi13:40:313:11:127:352:56
8:30
#8875
Finish
26.22 mi13:48:363:19:177:368:05
7:56
#8965
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi11274878187819678(Top 36%)7964(Top 52%)7964(Top 388%)
10K6.21 mi3.10 mi11198+768744+378744+3711174(Top 42%)8738(Top 58%)8738(Top 426%)
15K9.32 mi3.11 mi10649+5498496+2488496+2489678(Top 36%)7964(Top 52%)7964(Top 388%)
20K12.43 mi3.11 mi10242+4078285+2118285+2119138(Top 34%)7581(Top 50%)7581(Top 369%)
Half13.11 mi0.68 mi10146+968223+628223+628796(Top 33%)7387(Top 49%)7387(Top 360%)
25K15.53 mi2.42 mi9754+3928000+2238000+2237939(Top 30%)6768(Top 45%)6768(Top 330%)
30K18.64 mi3.11 mi9282+4727673+3277673+3277476(Top 28%)6374(Top 42%)6374(Top 311%)
20M20.00 mi1.36 mi9130+1527562+1117562+1117598(Top 29%)6343(Top 42%)6343(Top 309%)
21M21.00 mi1.00 mi8984+1467445+1177445+1177033(Top 26%)5889(Top 39%)5889(Top 287%)
35K21.75 mi0.75 mi8998-147446-17446-19661(Top 36%)7433(Top 49%)7433(Top 362%)
23M23.00 mi1.25 mi8943+557387+597387+598405(Top 32%)6647(Top 44%)6647(Top 324%)
24M24.00 mi1.00 mi8882+617320+677320+678501(Top 32%)6613(Top 44%)6613(Top 322%)
40K24.85 mi0.85 mi8888-67301+197301+199144(Top 34%)6890(Top 45%)6890(Top 336%)
25.2M25.20 mi0.35 mi8875+137286+157286+159487(Top 36%)7013(Top 46%)7013(Top 342%)
Finish26.22 mi1.02 mi8965-907324-387324-3811582(Top 44%)8075(Top 53%)8075(Top 394%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9678

Males

7964

M50-54

7964

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11174

Males

8738

M50-54

8738

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9678

Males

7964

M50-54

7964

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9138

Males

7581

M50-54

7581

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8796

Males

7387

M50-54

7387

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

7939

Males

6768

M50-54

6768

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7476

Males

6374

M50-54

6374

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

7598

Males

6343

M50-54

6343

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7033

Males

5889

M50-54

5889

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

9661

Males

7433

M50-54

7433

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8405

Males

6647

M50-54

6647

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8501

Males

6613

M50-54

6613

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9144

Males

6890

M50-54

6890

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9487

Males

7013

M50-54

7013

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11582

Males

8075

M50-54

8075

Passing Analysis

Category:
Athletes Passed
3005*
Passed By
696
Net Change
+2309
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11274
5K → 10K345269+76#11274#11198
10K → 15K57627+549#11198#10649
15K → 20K420*13+407#10649#10242
20K → Half1015+96#10242#10146
Half → 25K399*7+392#10146#9754
25K → 30K484*12+472#9754#9282
30K → 20M16614+152#9282#9130
20M → 21M16620+146#9130#8984
21M → 35K3549-14#8984#8998
35K → 23M10348+55#8998#8943
23M → 24M9635+61#8943#8882
24M → 40K5258-6#8882#8888
40K → 25.2M3320+13#8888#8875
25.2M → Finish29119-90#8875#8965
TOTALS3005*696+2309

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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