Boston Marathon logo
BOSTON MARATHON 2023

Ryan Kaelin

FL

Bib: 9689 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 28%
Gender (Male)
#0 / 15176
Top 42%
Masters (Masters Men)
#0 / 9891
Top 29%
Division (M50-54)
#0 / 2052
Top 24%
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
7:25/mi
23:01
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:17/mi
45:40
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:16/mi
1:08:14
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:19/mi
1:30:57
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:23/mi
1:35:59
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:17/mi
1:53:39
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:33/mi
2:17:05
↑ 181↓ 1480.2%
138 ft elev
20M
7:32/mi
2:27:19
↑ 64↓ 500.2%
148 ft elev
21M
7:49/mi
2:35:08
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:20/mi
2:40:37
↑ 17↓ 861.7%
156 ft elev
23M
7:34/mi
2:50:06
↑ 23↓ 630.6%
116 ft elev
24M
7:24/mi
2:57:30
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:31/mi
3:03:56
↓ 200.3%
20 ft elev
25.2M
7:53/mi
3:06:39
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:09/mi
3:13:56
↑ 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

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:59
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:37:57
Pace7:28 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4223:017:2523:01
7:25
-
10K
6.21 mi11:12:2145:407:2122:39
7:17
-0:08
15K
9.32 mi11:34:551:08:147:1922:34
7:16
-0:01
20K
12.43 mi11:57:381:30:577:1922:43
7:19
+0:03
Half
13.11 mi12:02:401:35:597:195:02
7:23
+0:04
25K
15.53 mi12:20:201:53:397:1917:40
7:17
-0:06
30K
18.64 mi12:43:462:17:057:2123:26
7:33
+0:16
20M
20.00 mi12:54:002:27:197:2210:14
7:32
-0:01
21M
21.00 mi13:01:492:35:087:237:49
7:49
+0:17
35K
21.75 mi13:07:182:40:377:235:29
7:20
-0:29
23M
23.00 mi13:16:472:50:067:249:29
7:34
+0:14
24M
24.00 mi13:24:112:57:307:247:24
7:24
-0:10
40K
24.85 mi13:30:373:03:567:246:26
7:31
+0:07
25.2M
25.20 mi13:33:203:06:397:242:43
7:53
+0:22
Finish
26.22 mi13:40:373:13:567:247:17
7:09
-0:44

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

7:09 /mi

Average Pace

7:24 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:13

99% of race

Time at Steady Pace

2:43

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:24 /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 mi10:49:4223:017:2523:01
7:25
#8872
10K
6.21 mi11:12:2145:407:2122:39
7:17
#8794
15K
9.32 mi11:34:551:08:147:1922:34
7:16
#8611
20K
12.43 mi11:57:381:30:577:1922:43
7:19
#8378
Half
13.11 mi12:02:401:35:597:195:02
7:23
#8418
25K
15.53 mi12:20:201:53:397:1917:40
7:17
#8184
30K
18.64 mi12:43:462:17:057:2123:26
7:33
#8045
20M
20.00 mi12:54:002:27:197:2210:14
7:32
#7909
21M
21.00 mi13:01:492:35:087:237:49
7:49
#7761
35K
21.75 mi13:07:182:40:377:235:29
7:20
#7739
23M
23.00 mi13:16:472:50:067:249:29
7:34
#7657
24M
24.00 mi13:24:112:57:307:247:24
7:24
#7602
40K
24.85 mi13:30:373:03:567:246:26
7:31
#7544
25.2M
25.20 mi13:33:203:06:397:242:43
7:53
#7509
Finish
26.22 mi13:40:373:13:567:247:17
7:09
#7418
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8872751475148257(Top 31%)7079(Top 47%)7079(Top 345%)
10K6.21 mi3.10 mi8794+787458+567458+568786(Top 33%)7441(Top 49%)7441(Top 363%)
15K9.32 mi3.11 mi8611+1837334+1247334+1248257(Top 31%)7079(Top 47%)7079(Top 345%)
20K12.43 mi3.11 mi8378+2337181+1537181+1537859(Top 30%)6791(Top 45%)6791(Top 331%)
Half13.11 mi0.68 mi8418-407199-187199-189143(Top 34%)7578(Top 50%)7578(Top 369%)
25K15.53 mi2.42 mi8184+2347027+1727027+1727203(Top 27%)6291(Top 41%)6291(Top 307%)
30K18.64 mi3.11 mi8045+1396901+1266901+1267513(Top 28%)6394(Top 42%)6394(Top 312%)
20M20.00 mi1.36 mi7909+1366798+1036798+1036985(Top 26%)5963(Top 39%)5963(Top 291%)
21M21.00 mi1.00 mi7761+1486694+1046694+1046263(Top 24%)5392(Top 36%)5392(Top 263%)
35K21.75 mi0.75 mi7739+226667+276667+277304(Top 27%)6077(Top 40%)6077(Top 296%)
23M23.00 mi1.25 mi7657+826595+726595+726892(Top 26%)5757(Top 38%)5757(Top 281%)
24M24.00 mi1.00 mi7602+556538+576538+577037(Top 26%)5733(Top 38%)5733(Top 279%)
40K24.85 mi0.85 mi7544+586475+636475+636839(Top 26%)5537(Top 36%)5537(Top 270%)
25.2M25.20 mi0.35 mi7509+356442+336442+335814(Top 22%)4834(Top 32%)4834(Top 236%)
Finish26.22 mi1.02 mi7418+916363+796363+796089(Top 23%)4996(Top 33%)4996(Top 243%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8257

Males

7079

M50-54

7079

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8786

Males

7441

M50-54

7441

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8257

Males

7079

M50-54

7079

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

7859

Males

6791

M50-54

6791

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9143

Males

7578

M50-54

7578

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7203

Males

6291

M50-54

6291

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7513

Males

6394

M50-54

6394

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6985

Males

5963

M50-54

5963

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6263

Males

5392

M50-54

5392

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7304

Males

6077

M50-54

6077

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

6892

Males

5757

M50-54

5757

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7037

Males

5733

M50-54

5733

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6839

Males

5537

M50-54

5537

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5814

Males

4834

M50-54

4834

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6089

Males

4996

M50-54

4996

Passing Analysis

Category:
Athletes Passed
2087
Passed By
633
Net Change
+1454
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8872
5K → 10K303225+78#8872#8794
10K → 15K23956+183#8794#8611
15K → 20K26835+233#8611#8378
20K → Half949-40#8378#8418
Half → 25K25117+234#8418#8184
25K → 30K20263+139#8184#8045
30K → 20M15418+136#8045#7909
20M → 21M16113+148#7909#7761
21M → 35K4927+22#7761#7739
35K → 23M11634+82#7739#7657
23M → 24M8934+55#7657#7602
24M → 40K8729+58#7602#7544
40K → 25.2M405+35#7544#7509
25.2M → Finish11928+91#7509#7418
TOTALS2087633+1454
📊

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