Boston Marathon logo
BOSTON MARATHON 2023

William Gibbons

Bib: 2687•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 48%
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:14
Rank: #7228
Start → 5K
22:14 | 7:09/mi
10K· 6.21 mi
45:55
Rank: #9105 (-1877)
5K → 10K
23:41 | 7:37/mi
15K· 9.32 mi
1:10:06
Rank: #10248 (-1143)
10K → 15K
24:11 | 7:47/mi
20K· 12.43 mi
1:34:50
Rank: #10976 (-728)
15K → 20K
24:44 | 7:58/mi
Half· 13.11 mi
1:40:17
Rank: #11122 (-146)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:00:03
Rank: #11513 (-391)
Half → 25K
19:46 | 8:09/mi
30K· 18.64 mi
2:26:16
Rank: #12002 (-489)
25K → 30K
26:13 | 8:26/mi
20M
2:37:45
Rank: #12106 (-104)
30K → 20M
11:29 | 8:27/mi
21M
2:46:49
Rank: #12212 (-106)
20M → 21M
9:04 | 9:04/mi
35K· 21.75 mi
2:53:09
Rank: #12325 (-113)
21M → 35K
6:20 | 8:28/mi
23M
3:04:03
Rank: #12462 (-137)
35K → 23M
10:54 | 8:42/mi
24M
3:12:36
Rank: #12574 (-112)
23M → 24M
8:33 | 8:33/mi
40K· 24.85 mi
3:19:59
Rank: #12641 (-67)
24M → 40K
7:23 | 8:38/mi
25.2M
3:23:12
Rank: #12670 (-29)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:31:53
Rank: #12774 (-104)
25.2M → Finish
8:41 | 8:31/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
Time1:40:17
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:51:36
Pace8:31 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0022:147:0922:14
7:09
-
10K
6.21 mi10:46:4145:557:2323:41
7:37
+0:28
15K
9.32 mi11:10:521:10:067:3124:11
7:47
+0:10
20K
12.43 mi11:35:361:34:507:3824:44
7:58
+0:11
Half
13.11 mi11:41:031:40:177:395:27
7:59
+0:01
25K
15.53 mi12:00:492:00:037:4419:46
8:09
+0:10
30K
18.64 mi12:27:022:26:167:5126:13
8:26
+0:17
20M
20.00 mi12:38:312:37:457:5311:29
8:27
+0:01
21M
21.00 mi12:47:352:46:497:579:04
9:04
+0:37
35K
21.75 mi12:53:552:53:097:586:20
8:28
-0:36
23M
23.00 mi13:04:493:04:038:0010:54
8:42
+0:14
24M
24.00 mi13:13:223:12:368:028:33
8:33
-0:09
40K
24.85 mi13:20:453:19:598:037:23
8:38
+0:05
25.2M
25.20 mi13:23:583:23:128:043:13
9:20
+0:42
Finish
26.22 mi13:32:393:31:538:058:41
8:31
-0:49

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

8:05 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:03

57% of race

Time at Steady Pace

1:19:33

38% of race

Time at Slower Pace

12:17

6% of race

Average Pace: 8:05 /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 mi10:23:0022:147:0922:14
7:09
#7228
10K
6.21 mi10:46:4145:557:2323:41
7:37
#9105
15K
9.32 mi11:10:521:10:067:3124:11
7:47
#10248
20K
12.43 mi11:35:361:34:507:3824:44
7:58
#10976
Half
13.11 mi11:41:031:40:177:395:27
7:59
#11122
25K
15.53 mi12:00:492:00:037:4419:46
8:09
#11513
30K
18.64 mi12:27:022:26:167:5126:13
8:26
#12002
20M
20.00 mi12:38:312:37:457:5311:29
8:27
#12106
21M
21.00 mi12:47:352:46:497:579:04
9:04
#12212
35K
21.75 mi12:53:552:53:097:586:20
8:28
#12325
23M
23.00 mi13:04:493:04:038:0010:54
8:42
#12462
24M
24.00 mi13:13:223:12:368:028:33
8:33
#12574
40K
24.85 mi13:20:453:19:598:037:23
8:38
#12641
25.2M
25.20 mi13:23:583:23:128:043:13
9:20
#12670
Finish
26.22 mi13:32:393:31:538:058:41
8:31
#12774
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi72286445644512574(Top 47%)9332(Top 61%)9332(Top 177%)
10K6.21 mi3.10 mi9105-18777638-11937638-119311525(Top 43%)8895(Top 59%)8895(Top 168%)
15K9.32 mi3.11 mi10248-11438301-6638301-66312574(Top 47%)9332(Top 61%)9332(Top 177%)
20K12.43 mi3.11 mi10976-7288640-3398640-33913099(Top 49%)9483(Top 62%)9483(Top 179%)
Half13.11 mi0.68 mi11122-1468709-698709-6914194(Top 53%)9966(Top 66%)9966(Top 189%)
25K15.53 mi2.42 mi11513-3918851-1428851-14213873(Top 52%)9711(Top 64%)9711(Top 184%)
30K18.64 mi3.11 mi12002-4899009-1589009-15813912(Top 52%)9612(Top 63%)9612(Top 182%)
20M20.00 mi1.36 mi12106-1049029-209029-2013300(Top 50%)9258(Top 61%)9258(Top 175%)
21M21.00 mi1.00 mi12212-1069064-359064-3513768(Top 52%)9380(Top 62%)9380(Top 177%)
35K21.75 mi0.75 mi12325-1139099-359099-3515061(Top 57%)9887(Top 65%)9887(Top 187%)
23M23.00 mi1.25 mi12462-1379140-419140-4114394(Top 54%)9526(Top 63%)9526(Top 180%)
24M24.00 mi1.00 mi12574-1129162-229162-2214734(Top 55%)9625(Top 63%)9625(Top 182%)
40K24.85 mi0.85 mi12641-679168-69168-614136(Top 53%)9294(Top 61%)9294(Top 176%)
25.2M25.20 mi0.35 mi12670-299171-39171-314247(Top 54%)9340(Top 62%)9340(Top 177%)
Finish26.22 mi1.02 mi12774-1049187-169187-1615523(Top 58%)9950(Top 66%)9950(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

12574

Males

9332

M18-39

9332

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

11525

Males

8895

M18-39

8895

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

12574

Males

9332

M18-39

9332

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13099

Males

9483

M18-39

9483

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

14194

Males

9966

M18-39

9966

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13873

Males

9711

M18-39

9711

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

13912

Males

9612

M18-39

9612

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13300

Males

9258

M18-39

9258

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

13768

Males

9380

M18-39

9380

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

15061

Males

9887

M18-39

9887

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

14394

Males

9526

M18-39

9526

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14734

Males

9625

M18-39

9625

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14136

Males

9294

M18-39

9294

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14247

Males

9340

M18-39

9340

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

15523

Males

9950

M18-39

9950

Passing Analysis

Category:
Athletes Passed
497
Passed By
6041
Net Change
-5546
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7228
5K → 10K41881-1877#7228#9105
10K → 15K161157-1143#9105#10248
15K → 20K29757-728#10248#10976
20K → Half2148-146#10976#11122
Half → 25K43434-391#11122#11513
25K → 30K67556-489#11513#12002
30K → 20M78182-104#12002#12106
20M → 21M55161-106#12106#12212
21M → 35K18131-113#12212#12325
35K → 23M48185-137#12325#12462
23M → 24M42154-112#12462#12574
24M → 40K39106-67#12574#12641
40K → 25.2M2150-29#12641#12670
25.2M → Finish35139-104#12670#12774
TOTALS4976041-5546
📊

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