Boston Marathon logo
BOSTON MARATHON 2023

Alex Potter

Bib: 10808•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 34%
Masters (Masters Men)
#0 / 9891
Top 20%
Division (M60-64)
#0 / 1110
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:27
Rank: #5595
Start → 5K
21:27 | 6:54/mi
10K· 6.21 mi
41:34
Rank: #3876 (+1719)
5K → 10K
20:07 | 6:28/mi
15K· 9.32 mi
1:02:17
Rank: #3851 (+25)
10K → 15K
20:43 | 6:40/mi
20K· 12.43 mi
1:23:41
Rank: #4194 (-343)
15K → 20K
21:24 | 6:53/mi
Half· 13.11 mi
1:28:22
Rank: #4274 (-80)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:45:23
Rank: #4540 (-266)
Half → 25K
17:01 | 7:01/mi
30K· 18.64 mi
2:08:08
Rank: #4964 (-424)
25K → 30K
22:45 | 7:19/mi
20M
2:18:12
Rank: #5062 (-98)
30K → 20M
10:04 | 7:24/mi
21M
2:26:16
Rank: #5186 (-124)
20M → 21M
8:04 | 8:04/mi
35K· 21.75 mi
2:31:41
Rank: #5219 (-33)
21M → 35K
5:25 | 7:14/mi
23M
2:41:19
Rank: #5308 (-89)
35K → 23M
9:38 | 7:42/mi
24M
2:48:56
Rank: #5383 (-75)
23M → 24M
7:37 | 7:37/mi
40K· 24.85 mi
2:55:43
Rank: #5474 (-91)
24M → 40K
6:47 | 7:56/mi
25.2M
2:58:43
Rank: #5513 (-39)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:06:52
Rank: #5667 (-154)
25.2M → Finish
8:09 | 8:00/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
Time1:28:22
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:38:30
Pace7:31 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5421:276:5421:27
6:54
-
10K
6.21 mi11:08:0141:346:4120:07
6:28
-0:26
15K
9.32 mi11:28:441:02:176:4120:43
6:40
+0:12
20K
12.43 mi11:50:081:23:416:4421:24
6:53
+0:13
Half
13.11 mi11:54:491:28:226:444:41
6:52
-0:01
25K
15.53 mi12:11:501:45:236:4717:01
7:01
+0:09
30K
18.64 mi12:34:352:08:086:5222:45
7:19
+0:18
20M
20.00 mi12:44:392:18:126:5510:04
7:24
+0:05
21M
21.00 mi12:52:432:26:166:588:04
8:04
+0:40
35K
21.75 mi12:58:082:31:416:585:25
7:14
-0:50
23M
23.00 mi13:07:462:41:197:019:38
7:42
+0:28
24M
24.00 mi13:15:232:48:567:027:37
7:37
-0:05
40K
24.85 mi13:22:102:55:437:046:47
7:56
+0:19
25.2M
25.20 mi13:25:102:58:437:063:00
8:42
+0:46
Finish
26.22 mi13:33:193:06:527:088:09
8:00
-0:42

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

7:08 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:23

56% of race

Time at Steady Pace

38:14

20% of race

Time at Slower Pace

43:15

23% of race

Average Pace: 7:08 /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 mi10:47:5421:276:5421:27
6:54
#5595
10K
6.21 mi11:08:0141:346:4120:07
6:28
#3876
15K
9.32 mi11:28:441:02:176:4120:43
6:40
#3851
20K
12.43 mi11:50:081:23:416:4421:24
6:53
#4194
Half
13.11 mi11:54:491:28:226:444:41
6:52
#4274
25K
15.53 mi12:11:501:45:236:4717:01
7:01
#4540
30K
18.64 mi12:34:352:08:086:5222:45
7:19
#4964
20M
20.00 mi12:44:392:18:126:5510:04
7:24
#5062
21M
21.00 mi12:52:432:26:166:588:04
8:04
#5186
35K
21.75 mi12:58:082:31:416:585:25
7:14
#5219
23M
23.00 mi13:07:462:41:197:019:38
7:42
#5308
24M
24.00 mi13:15:232:48:567:027:37
7:37
#5383
40K
24.85 mi13:22:102:55:437:046:47
7:56
#5474
25.2M
25.20 mi13:25:102:58:437:063:00
8:42
#5513
Finish
26.22 mi13:33:193:06:527:088:09
8:00
#5667
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi5595515451543841(Top 14%)3612(Top 24%)3612(Top 325%)
10K6.21 mi3.10 mi3876+17193650+15043650+15042662(Top 10%)2546(Top 17%)2546(Top 229%)
15K9.32 mi3.11 mi3851+253629+213629+213841(Top 14%)3612(Top 24%)3612(Top 325%)
20K12.43 mi3.11 mi4194-3433936-3073936-3075253(Top 20%)4854(Top 32%)4854(Top 437%)
Half13.11 mi0.68 mi4274-804002-664002-665758(Top 22%)5290(Top 35%)5290(Top 477%)
25K15.53 mi2.42 mi4540-2664240-2384240-2385677(Top 21%)5202(Top 34%)5202(Top 469%)
30K18.64 mi3.11 mi4964-4244618-3784618-3786144(Top 23%)5471(Top 36%)5471(Top 493%)
20M20.00 mi1.36 mi5062-984688-704688-706201(Top 23%)5442(Top 36%)5442(Top 490%)
21M21.00 mi1.00 mi5186-1244788-1004788-1007739(Top 29%)6322(Top 42%)6322(Top 570%)
35K21.75 mi0.75 mi5219-334807-194807-196726(Top 25%)5712(Top 38%)5712(Top 515%)
23M23.00 mi1.25 mi5308-894875-684875-687663(Top 29%)6213(Top 41%)6213(Top 560%)
24M24.00 mi1.00 mi5383-754930-554930-558471(Top 32%)6583(Top 43%)6583(Top 593%)
40K24.85 mi0.85 mi5474-914993-634993-639537(Top 36%)7084(Top 47%)7084(Top 638%)
25.2M25.20 mi0.35 mi5513-395024-315024-3110628(Top 40%)7585(Top 50%)7585(Top 683%)
Finish26.22 mi1.02 mi5667-1545124-1005124-10012066(Top 45%)8301(Top 55%)8301(Top 748%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3841

Males

3612

M60-64

3612

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2662

Males

2546

M60-64

2546

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3841

Males

3612

M60-64

3612

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5253

Males

4854

M60-64

4854

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5758

Males

5290

M60-64

5290

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5677

Males

5202

M60-64

5202

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6144

Males

5471

M60-64

5471

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6201

Males

5442

M60-64

5442

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7739

Males

6322

M60-64

6322

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6726

Males

5712

M60-64

5712

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7663

Males

6213

M60-64

6213

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8471

Males

6583

M60-64

6583

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9537

Males

7084

M60-64

7084

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10628

Males

7585

M60-64

7585

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

12066

Males

8301

M60-64

8301

Passing Analysis

Category:
Athletes Passed
2184
Passed By
2256
Net Change
-72
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5595
5K → 10K17223+1719#5595#3876
10K → 15K131106+25#3876#3851
15K → 20K29372-343#3851#4194
20K → Half383-80#4194#4274
Half → 25K41307-266#4274#4540
25K → 30K48472-424#4540#4964
30K → 20M38136-98#4964#5062
20M → 21M26150-124#5062#5186
21M → 35K3164-33#5186#5219
35K → 23M36125-89#5219#5308
23M → 24M29104-75#5308#5383
24M → 40K20111-91#5383#5474
40K → 25.2M1049-39#5474#5513
25.2M → Finish20174-154#5513#5667
TOTALS21842256-72
📊

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