Boston Marathon logo
BOSTON MARATHON 2023

Steven Wilcox

Bib: 10619•M

FL

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

Start
0:00:00
Race begins
5K· 3.11 mi
25:25
Rank: #15309
Start → 5K
25:25 | 8:11/mi
10K· 6.21 mi
49:56
Rank: #14633 (+676)
5K → 10K
24:31 | 7:53/mi
15K· 9.32 mi
1:14:32
Rank: #14330 (+303)
10K → 15K
24:36 | 7:55/mi
20K· 12.43 mi
1:39:42
Rank: #14271 (+59)
15K → 20K
25:10 | 8:06/mi
Half· 13.11 mi
1:45:14
Rank: #14306 (-35)
20K → Half
5:32 | 8:07/mi
25K· 15.53 mi
2:04:59
Rank: #14247 (+59)
Half → 25K
19:45 | 8:09/mi
30K· 18.64 mi
2:30:57
Rank: #14093 (+154)
25K → 30K
25:58 | 8:21/mi
20M
2:42:27
Rank: #14024 (+69)
30K → 20M
11:30 | 8:28/mi
21M
2:51:07
Rank: #13826 (+198)
20M → 21M
8:40 | 8:40/mi
35K· 21.75 mi
2:57:19
Rank: #13829 (-3)
21M → 35K
6:12 | 8:17/mi
23M
3:08:30
Rank: #13926 (-97)
35K → 23M
11:11 | 8:56/mi
24M
3:16:51
Rank: #13894 (+32)
23M → 24M
8:21 | 8:21/mi
40K· 24.85 mi
3:23:46
Rank: #13755 (+139)
24M → 40K
6:55 | 8:05/mi
25.2M
3:26:48
Rank: #13708 (+47)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:34:44
Rank: #13561 (+147)
25.2M → Finish
7:56 | 7:47/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
Time1:45:14
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:49:30
Pace8:21 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4225:258:1125:25
8:11
-
10K
6.21 mi11:16:1349:568:0224:31
7:53
-0:18
15K
9.32 mi11:40:491:14:328:0024:36
7:55
+0:02
20K
12.43 mi12:05:591:39:428:0125:10
8:06
+0:11
Half
13.11 mi12:11:311:45:148:025:32
8:07
+0:01
25K
15.53 mi12:31:162:04:598:0319:45
8:09
+0:02
30K
18.64 mi12:57:142:30:578:0625:58
8:21
+0:12
20M
20.00 mi13:08:442:42:278:0711:30
8:28
+0:07
21M
21.00 mi13:17:242:51:078:098:40
8:40
+0:12
35K
21.75 mi13:23:362:57:198:096:12
8:17
-0:23
23M
23.00 mi13:34:473:08:308:1211:11
8:56
+0:39
24M
24.00 mi13:43:083:16:518:128:21
8:21
-0:35
40K
24.85 mi13:50:033:23:468:126:55
8:05
-0:16
25.2M
25.20 mi13:53:053:26:488:123:02
8:48
+0:43
Finish
26.22 mi14:01:013:34:448:127:56
7:47
-1:01

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

7:47 /mi

Average Pace

8:12 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:51

89% of race

Time at Steady Pace

22:53

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:11 /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 mi10:51:4225:258:1125:25
8:11
#15309
10K
6.21 mi11:16:1349:568:0224:31
7:53
#14633
15K
9.32 mi11:40:491:14:328:0024:36
7:55
#14330
20K
12.43 mi12:05:591:39:428:0125:10
8:06
#14271
Half
13.11 mi12:11:311:45:148:025:32
8:07
#14306
25K
15.53 mi12:31:162:04:598:0319:45
8:09
#14247
30K
18.64 mi12:57:142:30:578:0625:58
8:21
#14093
20M
20.00 mi13:08:442:42:278:0711:30
8:28
#14024
21M
21.00 mi13:17:242:51:078:098:40
8:40
#13826
35K
21.75 mi13:23:362:57:198:096:12
8:17
#13829
23M
23.00 mi13:34:473:08:308:1211:11
8:56
#13926
24M
24.00 mi13:43:083:16:518:128:21
8:21
#13894
40K
24.85 mi13:50:033:23:468:126:55
8:05
#13755
25.2M
25.20 mi13:53:053:26:488:123:02
8:48
#13708
Finish
26.22 mi14:01:013:34:448:127:56
7:47
#13561
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi15309104501045013707(Top 51%)9787(Top 64%)9787(Top 477%)
10K6.21 mi3.10 mi14633+67610186+26410186+26413894(Top 52%)9897(Top 65%)9897(Top 482%)
15K9.32 mi3.11 mi14330+30310061+12510061+12513707(Top 51%)9787(Top 64%)9787(Top 477%)
20K12.43 mi3.11 mi14271+5910014+4710014+4714221(Top 53%)9966(Top 66%)9966(Top 486%)
Half13.11 mi0.68 mi14306-3510025-1110025-1115152(Top 57%)10345(Top 68%)10345(Top 504%)
25K15.53 mi2.42 mi14247+599974+519974+5113833(Top 52%)9701(Top 64%)9701(Top 473%)
30K18.64 mi3.11 mi14093+1549876+989876+9813393(Top 50%)9405(Top 62%)9405(Top 458%)
20M20.00 mi1.36 mi14024+699830+469830+4613397(Top 50%)9309(Top 61%)9309(Top 454%)
21M21.00 mi1.00 mi13826+1989739+919739+9111450(Top 43%)8327(Top 55%)8327(Top 406%)
35K21.75 mi0.75 mi13829-39722+179722+1713995(Top 53%)9414(Top 62%)9414(Top 459%)
23M23.00 mi1.25 mi13926-979726-49726-415672(Top 59%)10089(Top 66%)10089(Top 492%)
24M24.00 mi1.00 mi13894+329684+429684+4213516(Top 51%)9092(Top 60%)9092(Top 443%)
40K24.85 mi0.85 mi13755+1399623+619623+6110634(Top 40%)7675(Top 51%)7675(Top 374%)
25.2M25.20 mi0.35 mi13708+479595+289595+2811280(Top 42%)7943(Top 52%)7943(Top 387%)
Finish26.22 mi1.02 mi13561+1479521+749521+7410567(Top 40%)7591(Top 50%)7591(Top 370%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13707

Males

9787

M50-54

9787

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13894

Males

9897

M50-54

9897

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13707

Males

9787

M50-54

9787

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14221

Males

9966

M50-54

9966

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

15152

Males

10345

M50-54

10345

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13833

Males

9701

M50-54

9701

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

13393

Males

9405

M50-54

9405

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13397

Males

9309

M50-54

9309

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

11450

Males

8327

M50-54

8327

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

13995

Males

9414

M50-54

9414

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15672

Males

10089

M50-54

10089

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13516

Males

9092

M50-54

9092

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10634

Males

7675

M50-54

7675

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11280

Males

7943

M50-54

7943

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10567

Males

7591

M50-54

7591

Passing Analysis

Category:
Athletes Passed
2663
Passed By
915
Net Change
+1748
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15309
5K → 10K75781+676#15309#14633
10K → 15K36865+303#14633#14330
15K → 20K204145+59#14330#14271
20K → Half1651-35#14271#14306
Half → 25K164105+59#14306#14247
25K → 30K266112+154#14247#14093
30K → 20M12556+69#14093#14024
20M → 21M21113+198#14024#13826
21M → 35K5053-3#13826#13829
35K → 23M54151-97#13829#13926
23M → 24M8250+32#13926#13894
24M → 40K15011+139#13894#13755
40K → 25.2M6114+47#13755#13708
25.2M → Finish1558+147#13708#13561
TOTALS2663915+1748
📊

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