Boston Marathon logo
BOSTON MARATHON 2023

Connor Williams

Bib: 25025•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
11:10/mi
34:43
↑ 97↓ 3451.5%
10K· 6.21 mi
10:49/mi
1:08:19
↑ 79↓ 1380.4%
15K· 9.32 mi
10:54/mi
1:42:10
↑ 67↓ 78
20K· 12.43 mi
11:29/mi
2:17:51
↑ 106↓ 860.1%
Half· 13.11 mi
11:29/mi
2:25:41
↑ 19↓ 370.5%
25K· 15.53 mi
12:21/mi
2:55:38
↑ 66↓ 880.2%
30K· 18.64 mi
12:58/mi
3:35:54
↑ 181↓ 1480.2%
20M
12:56/mi
3:53:29
↑ 64↓ 500.2%
21M
15:23/mi
4:08:52
↑ 106↓ 241.6%
35K· 21.75 mi
13:30/mi
4:18:58
↑ 17↓ 861.7%
23M
13:57/mi
4:36:26
↑ 23↓ 630.6%
24M
12:09/mi
4:48:35
↓ 821.3%
40K· 24.85 mi
14:36/mi
5:01:04
↓ 200.3%
25.2M
13:23/mi
5:05:41
↑ 13↓ 160.2%
Finish· 26.22 mi
10:13/mi
5:16:06
↑ 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
Time2:25:41
Pace11:07 /mi
2nd Half
Distance13.11 mi
Time2:50:25
Pace13:00 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:5734:4311:1034:43
11:10
-
10K
6.21 mi12:30:331:08:1911:0033:36
10:49
-0:21
15K
9.32 mi13:04:241:42:1010:5833:51
10:54
+0:05
20K
12.43 mi13:40:052:17:5111:0635:41
11:29
+0:35
Half
13.11 mi13:47:552:25:4111:077:50
11:29
0:00
25K
15.53 mi14:17:522:55:3811:1829:57
12:21
+0:52
30K
18.64 mi14:58:083:35:5411:3540:16
12:58
+0:37
20M
20.00 mi15:15:433:53:2911:4017:35
12:56
-0:02
21M
21.00 mi15:31:064:08:5211:5115:23
15:23
+2:27
35K
21.75 mi15:41:124:18:5811:5410:06
13:30
-1:53
23M
23.00 mi15:58:404:36:2612:0117:28
13:57
+0:27
24M
24.00 mi16:10:494:48:3512:0112:09
12:09
-1:48
40K
24.85 mi16:23:185:01:0412:0712:29
14:36
+2:27
25.2M
25.20 mi16:27:555:05:4112:084:37
13:23
-1:13
Finish
26.22 mi16:38:205:16:0612:0410:25
10:13
-3:10

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

10:13 /mi

Average Pace

12:04 /mi

Slowest Pace

15:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:06

49% of race

Time at Steady Pace

1:39:57

32% of race

Time at Slower Pace

1:00:03

19% of race

Average Pace: 12:03 /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 mi11:56:5734:4311:1034:43
11:10
#25908
10K
6.21 mi12:30:331:08:1911:0033:36
10:49
#25593
15K
9.32 mi13:04:241:42:1010:5833:51
10:54
#25397
20K
12.43 mi13:40:052:17:5111:0635:41
11:29
#25347
Half
13.11 mi13:47:552:25:4111:077:50
11:29
#25362
25K
15.53 mi14:17:522:55:3811:1829:57
12:21
#25393
30K
18.64 mi14:58:083:35:5411:3540:16
12:58
#25415
20M
20.00 mi15:15:433:53:2911:4017:35
12:56
#25411
21M
21.00 mi15:31:064:08:5211:5115:23
15:23
#25462
35K
21.75 mi15:41:124:18:5811:5410:06
13:30
#25485
23M
23.00 mi15:58:404:36:2612:0117:28
13:57
#25515
24M
24.00 mi16:10:494:48:3512:0112:09
12:09
#25504
40K
24.85 mi16:23:185:01:0412:0712:29
14:36
#25540
25.2M
25.20 mi16:27:555:05:4112:084:37
13:23
#25521
Finish
26.22 mi16:38:205:16:0612:0410:25
10:13
#25463
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25908148921489225060(Top 94%)14547(Top 96%)14547(Top 275%)
10K6.21 mi3.10 mi25593+31514776+11614776+11625205(Top 95%)14631(Top 96%)14631(Top 277%)
15K9.32 mi3.11 mi25397+19614702+7414702+7425060(Top 94%)14547(Top 96%)14547(Top 275%)
20K12.43 mi3.11 mi25347+5014672+3014672+3025225(Top 95%)14587(Top 96%)14587(Top 276%)
Half13.11 mi0.68 mi25362-1514673-114673-125487(Top 96%)14683(Top 97%)14683(Top 278%)
25K15.53 mi2.42 mi25393-3114677-414677-425429(Top 96%)14659(Top 97%)14659(Top 277%)
30K18.64 mi3.11 mi25415-2214665+1214665+1225379(Top 95%)14577(Top 96%)14577(Top 276%)
20M20.00 mi1.36 mi25411+414655+1014655+1025121(Top 94%)14436(Top 95%)14436(Top 273%)
21M21.00 mi1.00 mi25462-5114675-2014675-2025945(Top 97%)14843(Top 98%)14843(Top 281%)
35K21.75 mi0.75 mi25485-2314682-714682-725888(Top 97%)14782(Top 97%)14782(Top 280%)
23M23.00 mi1.25 mi25515-3014691-914691-925790(Top 97%)14725(Top 97%)14725(Top 279%)
24M24.00 mi1.00 mi25504+1114684+714684+724708(Top 93%)14156(Top 93%)14156(Top 268%)
40K24.85 mi0.85 mi25540-3614693-914693-925985(Top 98%)14798(Top 98%)14798(Top 280%)
25.2M25.20 mi0.35 mi25521+1914681+1214681+1224410(Top 92%)14009(Top 92%)14009(Top 265%)
Finish26.22 mi1.02 mi25463+5814654+2714654+2722354(Top 84%)13032(Top 86%)13032(Top 247%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

25060

Males

14547

M18-39

14547

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

25205

Males

14631

M18-39

14631

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

25060

Males

14547

M18-39

14547

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

25225

Males

14587

M18-39

14587

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

25487

Males

14683

M18-39

14683

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

25429

Males

14659

M18-39

14659

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

25379

Males

14577

M18-39

14577

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

25121

Males

14436

M18-39

14436

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

25945

Males

14843

M18-39

14843

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

25888

Males

14782

M18-39

14782

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25790

Males

14725

M18-39

14725

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

24708

Males

14156

M18-39

14156

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

25985

Males

14798

M18-39

14798

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24410

Males

14009

M18-39

14009

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

22354

Males

13032

M18-39

13032

Passing Analysis

Category:
Athletes Passed
989
Passed By
544
Net Change
+445
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25908
5K → 10K34328+315#25908#25593
10K → 15K22327+196#25593#25397
15K → 20K11666+50#25397#25347
20K → Half1429-15#25347#25362
Half → 25K5283-31#25362#25393
25K → 30K6587-22#25393#25415
30K → 20M3026+4#25415#25411
20M → 21M960-51#25411#25462
21M → 35K1033-23#25462#25485
35K → 23M1545-30#25485#25515
23M → 24M2110+11#25515#25504
24M → 40K1349-36#25504#25540
40K → 25.2M201+19#25540#25521
25.2M → Finish580+58#25521#25463
TOTALS989544+445
📊

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