Boston Marathon logo
BOSTON MARATHON 2023

Scott Wensler

Bib: 6631•M

MO

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 28%
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
6:35/mi
20:28
↑ 97↓ 3451.5%
10K· 6.21 mi
6:32/mi
40:47
↑ 79↓ 1380.4%
15K· 9.32 mi
6:28/mi
1:00:52
↑ 67↓ 78
20K· 12.43 mi
6:36/mi
1:21:23
↑ 106↓ 860.1%
Half· 13.11 mi
6:28/mi
1:25:48
↑ 19↓ 370.5%
25K· 15.53 mi
6:37/mi
1:41:50
↑ 66↓ 880.2%
30K· 18.64 mi
6:58/mi
2:03:29
↑ 181↓ 1480.2%
20M
7:16/mi
2:13:21
↑ 64↓ 500.2%
21M
7:45/mi
2:21:06
↑ 106↓ 241.6%
35K· 21.75 mi
7:14/mi
2:26:31
↑ 17↓ 861.7%
23M
7:44/mi
2:36:12
↑ 23↓ 630.6%
24M
7:50/mi
2:44:02
↓ 821.3%
40K· 24.85 mi
8:01/mi
2:50:53
↓ 200.3%
25.2M
8:36/mi
2:53:51
↑ 13↓ 160.2%
Finish· 26.22 mi
7:57/mi
3:01:57
↑ 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
Time1:25:48
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:36:09
Pace7:20 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0420:286:3520:28
6:35
-
10K
6.21 mi10:44:2340:476:3420:19
6:32
-0:03
15K
9.32 mi11:04:281:00:526:3220:05
6:28
-0:04
20K
12.43 mi11:24:591:21:236:3320:31
6:36
+0:08
Half
13.11 mi11:29:241:25:486:334:25
6:28
-0:08
25K
15.53 mi11:45:261:41:506:3316:02
6:37
+0:09
30K
18.64 mi12:07:052:03:296:3721:39
6:58
+0:21
20M
20.00 mi12:16:572:13:216:409:52
7:16
+0:18
21M
21.00 mi12:24:422:21:066:437:45
7:45
+0:29
35K
21.75 mi12:30:072:26:316:445:25
7:14
-0:31
23M
23.00 mi12:39:482:36:126:479:41
7:44
+0:30
24M
24.00 mi12:47:382:44:026:507:50
7:50
+0:06
40K
24.85 mi12:54:292:50:536:536:51
8:01
+0:11
25.2M
25.20 mi12:57:272:53:516:542:58
8:36
+0:35
Finish
26.22 mi13:05:333:01:576:578:06
7:57
-0:39

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

6:28 /mi

Average Pace

6:57 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:50

56% of race

Time at Steady Pace

36:56

20% of race

Time at Slower Pace

43:11

24% of race

Average Pace: 6:56 /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 mi10:24:0420:286:3520:28
6:35
#2788
10K
6.21 mi10:44:2340:476:3420:19
6:32
#2890
15K
9.32 mi11:04:281:00:526:3220:05
6:28
#2700
20K
12.43 mi11:24:591:21:236:3320:31
6:36
#2732
Half
13.11 mi11:29:241:25:486:334:25
6:28
#2714
25K
15.53 mi11:45:261:41:506:3316:02
6:37
#2716
30K
18.64 mi12:07:052:03:296:3721:39
6:58
#2881
20M
20.00 mi12:16:572:13:216:409:52
7:16
#3052
21M
21.00 mi12:24:422:21:066:437:45
7:45
#3218
35K
21.75 mi12:30:072:26:316:445:25
7:14
#3342
23M
23.00 mi12:39:482:36:126:479:41
7:44
#3667
24M
24.00 mi12:47:382:44:026:507:50
7:50
#4043
40K
24.85 mi12:54:292:50:536:536:51
8:01
#4317
25.2M
25.20 mi12:57:272:53:516:542:58
8:36
#4405
Finish
26.22 mi13:05:333:01:576:578:06
7:57
#4610
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2788265326532439(Top 9%)2340(Top 15%)2340(Top 44%)
10K6.21 mi3.10 mi2890-1022756-1032756-1033053(Top 11%)2914(Top 19%)2914(Top 55%)
15K9.32 mi3.11 mi2700+1902579+1772579+1772439(Top 9%)2340(Top 15%)2340(Top 44%)
20K12.43 mi3.11 mi2732-322611-322611-322887(Top 11%)2755(Top 18%)2755(Top 52%)
Half13.11 mi0.68 mi2714+182594+172594+172689(Top 10%)2583(Top 17%)2583(Top 49%)
25K15.53 mi2.42 mi2716-22593+12593+12793(Top 10%)2671(Top 18%)2671(Top 51%)
30K18.64 mi3.11 mi2881-1652756-1632756-1634148(Top 16%)3869(Top 25%)3869(Top 73%)
20M20.00 mi1.36 mi3052-1712907-1512907-1515409(Top 20%)4848(Top 32%)4848(Top 92%)
21M21.00 mi1.00 mi3218-1663052-1453052-1455865(Top 22%)5092(Top 34%)5092(Top 96%)
35K21.75 mi0.75 mi3342-1243164-1123164-1126717(Top 25%)5703(Top 38%)5703(Top 108%)
23M23.00 mi1.25 mi3667-3253460-2963460-2967917(Top 30%)6352(Top 42%)6352(Top 120%)
24M24.00 mi1.00 mi4043-3763788-3283788-3289993(Top 38%)7374(Top 49%)7374(Top 140%)
40K24.85 mi0.85 mi4317-2744033-2454033-24510074(Top 38%)7355(Top 48%)7355(Top 139%)
25.2M25.20 mi0.35 mi4405-884110-774110-7710046(Top 38%)7280(Top 48%)7280(Top 138%)
Finish26.22 mi1.02 mi4610-2054278-1684278-16811685(Top 44%)8118(Top 53%)8118(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2439

Males

2340

M18-39

2340

5K→10K

3.1 - 6.2 mi

Top 11%
×5story building
+79ft-138ft

Overall

3053

Males

2914

M18-39

2914

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2439

Males

2340

M18-39

2340

15K→20K

9.3 - 12.4 mi

Top 11%
×5story building
+106ft-86ft

Overall

2887

Males

2755

M18-39

2755

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2689

Males

2583

M18-39

2583

Half→25K

13.1 - 15.5 mi

Top 10%
×4story building
+66ft-88ft

Overall

2793

Males

2671

M18-39

2671

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

4148

Males

3869

M18-39

3869

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5409

Males

4848

M18-39

4848

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

5865

Males

5092

M18-39

5092

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

6717

Males

5703

M18-39

5703

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

7917

Males

6352

M18-39

6352

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

9993

Males

7374

M18-39

7374

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10074

Males

7355

M18-39

7355

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10046

Males

7280

M18-39

7280

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11685

Males

8118

M18-39

8118

Passing Analysis

Category:
Athletes Passed
594
Passed By
2416
Net Change
-1822
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2788
5K → 10K117219-102#2788#2890
10K → 15K20616+190#2890#2700
15K → 20K6395-32#2700#2732
20K → Half3113+18#2732#2714
Half → 25K4648-2#2714#2716
25K → 30K40205-165#2716#2881
30K → 20M14185-171#2881#3052
20M → 21M12178-166#3052#3218
21M → 35K10134-124#3218#3342
35K → 23M17342-325#3342#3667
23M → 24M8384-376#3667#4043
24M → 40K10284-274#4043#4317
40K → 25.2M1199-88#4317#4405
25.2M → Finish9214-205#4405#4610
TOTALS5942416-1822
📊

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