Boston Marathon logo
BOSTON MARATHON 2023

Patrick Slaney

Bib: 31738•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
10:17/mi
31:56
↑ 97↓ 3451.5%
10K· 6.21 mi
9:42/mi
1:02:03
↑ 79↓ 1380.4%
15K· 9.32 mi
9:47/mi
1:32:27
↑ 67↓ 78
20K· 12.43 mi
10:15/mi
2:04:17
↑ 106↓ 860.1%
Half· 13.11 mi
10:13/mi
2:11:15
↑ 19↓ 370.5%
25K· 15.53 mi
11:14/mi
2:38:29
↑ 66↓ 880.2%
30K· 18.64 mi
11:33/mi
3:14:21
↑ 181↓ 1480.2%
20M
11:52/mi
3:30:29
↑ 64↓ 500.2%
21M
13:14/mi
3:43:43
↑ 106↓ 241.6%
35K· 21.75 mi
11:40/mi
3:52:27
↑ 17↓ 861.7%
23M
12:20/mi
4:07:53
↑ 23↓ 630.6%
24M
12:02/mi
4:19:55
↓ 821.3%
40K· 24.85 mi
12:09/mi
4:30:18
↓ 200.3%
25.2M
13:06/mi
4:34:49
↑ 13↓ 160.2%
Finish· 26.22 mi
11:45/mi
4:46:47
↑ 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
Time2:11:15
Pace10:01 /mi
2nd Half
Distance13.11 mi
Time2:35:32
Pace11:52 /mi
📊Positive Split: 18.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0131:5610:1731:56
10:17
-
10K
6.21 mi12:20:081:02:039:5930:07
9:42
-0:35
15K
9.32 mi12:50:321:32:279:5530:24
9:47
+0:05
20K
12.43 mi13:22:222:04:1710:0031:50
10:15
+0:28
Half
13.11 mi13:29:202:11:1510:016:58
10:13
-0:02
25K
15.53 mi13:56:342:38:2910:1227:14
11:14
+1:01
30K
18.64 mi14:32:263:14:2110:2635:52
11:33
+0:19
20M
20.00 mi14:48:343:30:2910:3116:08
11:52
+0:19
21M
21.00 mi15:01:483:43:4310:3913:14
13:14
+1:22
35K
21.75 mi15:10:323:52:2710:418:44
11:40
-1:34
23M
23.00 mi15:25:584:07:5310:4715:26
12:20
+0:40
24M
24.00 mi15:38:004:19:5510:5012:02
12:02
-0:18
40K
24.85 mi15:48:234:30:1810:5310:23
12:09
+0:07
25.2M
25.20 mi15:52:544:34:4910:544:31
13:06
+0:57
Finish
26.22 mi16:04:524:46:4710:5711:58
11:45
-1:21

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

9:42 /mi

Average Pace

10:57 /mi

Slowest Pace

13:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:15

46% of race

Time at Steady Pace

2:02:21

43% of race

Time at Slower Pace

33:11

12% of race

Average Pace: 10:56 /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 mi11:50:0131:5610:1731:56
10:17
#24164
10K
6.21 mi12:20:081:02:039:5930:07
9:42
#23592
15K
9.32 mi12:50:321:32:279:5530:24
9:47
#23417
20K
12.43 mi13:22:222:04:1710:0031:50
10:15
#23417
Half
13.11 mi13:29:202:11:1510:016:58
10:13
#23435
25K
15.53 mi13:56:342:38:2910:1227:14
11:14
#23607
30K
18.64 mi14:32:263:14:2110:2635:52
11:33
#23660
20M
20.00 mi14:48:343:30:2910:3116:08
11:52
#23701
21M
21.00 mi15:01:483:43:4310:3913:14
13:14
#23763
35K
21.75 mi15:10:323:52:2710:418:44
11:40
#23804
23M
23.00 mi15:25:584:07:5310:4715:26
12:20
#23869
24M
24.00 mi15:38:004:19:5510:5012:02
12:02
#23926
40K
24.85 mi15:48:234:30:1810:5310:23
12:09
#23919
25.2M
25.20 mi15:52:544:34:4910:544:31
13:06
#23926
Finish
26.22 mi16:04:524:46:4710:5711:58
11:45
#23982
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24164141731417323013(Top 86%)13642(Top 90%)13642(Top 258%)
10K6.21 mi3.10 mi23592+57213899+27413899+27423035(Top 87%)13664(Top 90%)13664(Top 259%)
15K9.32 mi3.11 mi23417+17513832+6713832+6723013(Top 86%)13642(Top 90%)13642(Top 258%)
20K12.43 mi3.11 mi23417138321383223375(Top 88%)13801(Top 91%)13801(Top 261%)
Half13.11 mi0.68 mi23435-1813847-1513847-1523683(Top 89%)13932(Top 92%)13932(Top 264%)
25K15.53 mi2.42 mi23607-17213909-6213909-6224313(Top 91%)14169(Top 93%)14169(Top 268%)
30K18.64 mi3.11 mi23660-5313907+213907+223920(Top 90%)13926(Top 92%)13926(Top 264%)
20M20.00 mi1.36 mi23701-4113913-613913-624040(Top 90%)13915(Top 92%)13915(Top 263%)
21M21.00 mi1.00 mi23763-6213932-1913932-1924330(Top 91%)14047(Top 93%)14047(Top 266%)
35K21.75 mi0.75 mi23804-4113949-1713949-1724316(Top 91%)14000(Top 92%)14000(Top 265%)
23M23.00 mi1.25 mi23869-6513966-1713966-1724393(Top 92%)14034(Top 92%)14034(Top 266%)
24M24.00 mi1.00 mi23926-5713980-1413980-1424575(Top 92%)14081(Top 93%)14081(Top 266%)
40K24.85 mi0.85 mi23919+713968+1213968+1224058(Top 90%)13833(Top 91%)13833(Top 262%)
25.2M25.20 mi0.35 mi23926-713969-113969-124073(Top 90%)13827(Top 91%)13827(Top 262%)
Finish26.22 mi1.02 mi23982-5613989-2013989-2024975(Top 94%)14299(Top 94%)14299(Top 271%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

23013

Males

13642

M18-39

13642

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

23035

Males

13664

M18-39

13664

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

23013

Males

13642

M18-39

13642

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23375

Males

13801

M18-39

13801

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23683

Males

13932

M18-39

13932

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

24313

Males

14169

M18-39

14169

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

23920

Males

13926

M18-39

13926

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

24040

Males

13915

M18-39

13915

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

24330

Males

14047

M18-39

14047

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24316

Males

14000

M18-39

14000

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

24393

Males

14034

M18-39

14034

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

24575

Males

14081

M18-39

14081

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

24058

Males

13833

M18-39

13833

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

24073

Males

13827

M18-39

13827

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

24975

Males

14299

M18-39

14299

Passing Analysis

Category:
Athletes Passed
1269
Passed By
1087
Net Change
+182
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24164
5K → 10K61745+572#24164#23592
10K → 15K22954+175#23592#23417
15K → 20K1161160#23417#23417
20K → Half2038-18#23417#23435
Half → 25K38210-172#23435#23607
25K → 30K84137-53#23607#23660
30K → 20M4182-41#23660#23701
20M → 21M2688-62#23701#23763
21M → 35K1152-41#23763#23804
35K → 23M1883-65#23804#23869
23M → 24M1269-57#23869#23926
24M → 40K3326+7#23926#23919
40K → 25.2M1320-7#23919#23926
25.2M → Finish1167-56#23926#23982
TOTALS12691087+182
📊

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