Boston Marathon logo
BOSTON MARATHON 2023

Dan Kapinus

IL

Bib: 14624 M

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

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:47/mi
24:10
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:45/mi
48:15
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:03/mi
1:13:17
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:51/mi
1:37:41
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:45/mi
1:42:58
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:56/mi
2:02:11
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:25/mi
2:28:21
↑ 181↓ 1480.2%
138 ft elev
20M
8:34/mi
2:40:00
↑ 64↓ 500.2%
148 ft elev
21M
9:28/mi
2:49:28
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:55/mi
2:56:08
↑ 17↓ 861.7%
156 ft elev
23M
9:31/mi
3:08:03
↑ 23↓ 630.6%
116 ft elev
24M
9:30/mi
3:17:33
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:37/mi
3:25:46
↓ 200.3%
20 ft elev
25.2M
10:55/mi
3:29:32
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:04/mi
3:38:46
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report on this race

A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:58
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:55:48
Pace8:50 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1924:107:4724:10
7:47
-
10K
6.21 mi11:19:2448:157:4624:05
7:45
-0:02
15K
9.32 mi11:44:261:13:177:5225:02
8:03
+0:18
20K
12.43 mi12:08:501:37:417:5224:24
7:51
-0:12
Half
13.11 mi12:14:071:42:587:515:17
7:45
-0:06
25K
15.53 mi12:33:202:02:117:5219:13
7:56
+0:11
30K
18.64 mi12:59:302:28:217:5726:10
8:25
+0:29
20M
20.00 mi13:11:092:40:008:0011:39
8:34
+0:09
21M
21.00 mi13:20:372:49:288:049:28
9:28
+0:54
35K
21.75 mi13:27:172:56:088:066:40
8:55
-0:33
23M
23.00 mi13:39:123:08:038:1111:55
9:31
+0:36
24M
24.00 mi13:48:423:17:338:149:30
9:30
-0:01
40K
24.85 mi13:56:553:25:468:178:13
9:37
+0:07
25.2M
25.20 mi14:00:413:29:328:193:46
10:55
+1:18
Finish
26.22 mi14:09:553:38:468:219:14
9:04
-1:51

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

7:45 /mi

Average Pace

8:21 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:11

56% of race

Time at Steady Pace

44:29

20% of race

Time at Slower Pace

52:06

24% of race

Average Pace: 8:21 /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 mi10:55:1924:107:4724:10
7:47
#12156
10K
6.21 mi11:19:2448:157:4624:05
7:45
#12404
15K
9.32 mi11:44:261:13:177:5225:02
8:03
#13243
20K
12.43 mi12:08:501:37:417:5224:24
7:51
#12954
Half
13.11 mi12:14:071:42:587:515:17
7:45
#12908
25K
15.53 mi12:33:202:02:117:5219:13
7:56
#12735
30K
18.64 mi12:59:302:28:217:5726:10
8:25
#12974
20M
20.00 mi13:11:092:40:008:0011:39
8:34
#13058
21M
21.00 mi13:20:372:49:288:049:28
9:28
#13202
35K
21.75 mi13:27:172:56:088:066:40
8:55
#13401
23M
23.00 mi13:39:123:08:038:1111:55
9:31
#13778
24M
24.00 mi13:48:423:17:338:149:30
9:30
#14106
40K
24.85 mi13:56:553:25:468:178:13
9:37
#14331
25.2M
25.20 mi14:00:413:29:328:193:46
10:55
#14471
Finish
26.22 mi14:09:553:38:468:219:14
9:04
#14628
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi121569188918814856(Top 56%)10238(Top 67%)10238(Top 499%)
10K6.21 mi3.10 mi12404-2489283-959283-9512692(Top 48%)9426(Top 62%)9426(Top 459%)
15K9.32 mi3.11 mi13243-8399624-3419624-34114856(Top 56%)10238(Top 67%)10238(Top 499%)
20K12.43 mi3.11 mi12954+2899481+1439481+14312190(Top 46%)9097(Top 60%)9097(Top 443%)
Half13.11 mi0.68 mi12908+469463+189463+1812225(Top 46%)9179(Top 60%)9179(Top 447%)
25K15.53 mi2.42 mi12735+1739364+999364+9912101(Top 45%)8953(Top 59%)8953(Top 436%)
30K18.64 mi3.11 mi12974-2399426-629426-6213821(Top 52%)9579(Top 63%)9579(Top 467%)
20M20.00 mi1.36 mi13058-849443-179443-1714062(Top 53%)9598(Top 63%)9598(Top 468%)
21M21.00 mi1.00 mi13202-1449496-539496-5315784(Top 59%)10258(Top 68%)10258(Top 500%)
35K21.75 mi0.75 mi13401-1999555-599555-5917464(Top 66%)10902(Top 72%)10902(Top 531%)
23M23.00 mi1.25 mi13778-3779673-1189673-11818378(Top 69%)11291(Top 74%)11291(Top 550%)
24M24.00 mi1.00 mi14106-3289776-1039776-10319185(Top 72%)11606(Top 76%)11606(Top 566%)
40K24.85 mi0.85 mi14331-2259839-639839-6318700(Top 70%)11347(Top 75%)11347(Top 553%)
25.2M25.20 mi0.35 mi14471-1409885-469885-4620234(Top 76%)12023(Top 79%)12023(Top 586%)
Finish26.22 mi1.02 mi14628-1579930-459930-4518252(Top 69%)11185(Top 74%)11185(Top 545%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14856

Males

10238

M50-54

10238

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12692

Males

9426

M50-54

9426

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14856

Males

10238

M50-54

10238

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12190

Males

9097

M50-54

9097

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12225

Males

9179

M50-54

9179

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12101

Males

8953

M50-54

8953

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13821

Males

9579

M50-54

9579

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14062

Males

9598

M50-54

9598

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15784

Males

10258

M50-54

10258

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

17464

Males

10902

M50-54

10902

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18378

Males

11291

M50-54

11291

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

19185

Males

11606

M50-54

11606

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18700

Males

11347

M50-54

11347

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20234

Males

12023

M50-54

12023

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

18252

Males

11185

M50-54

11185

Passing Analysis

Category:
Athletes Passed
1204
Passed By
3676
Net Change
-2472
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12156
5K → 10K212460-248#12156#12404
10K → 15K34873-839#12404#13243
15K → 20K34960+289#13243#12954
20K → Half6115+46#12954#12908
Half → 25K22249+173#12908#12735
25K → 30K110349-239#12735#12974
30K → 20M64148-84#12974#13058
20M → 21M52196-144#13058#13202
21M → 35K17216-199#13202#13401
35K → 23M19396-377#13401#13778
23M → 24M17345-328#13778#14106
24M → 40K22247-225#14106#14331
40K → 25.2M2142-140#14331#14471
25.2M → Finish23180-157#14471#14628
TOTALS12043676-2472
📊

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