Boston Marathon logo
BOSTON MARATHON 2023

Robert Pepper

Bib: 16341•M

AL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 24%
Gender (Male)
#0 / 15176
Top 38%
Masters (Masters Men)
#0 / 9891
Top 24%
Division (M55-59)
#0 / 1422
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:54
Rank: #8582
Start → 5K
22:54 | 7:22/mi
10K· 6.21 mi
45:15
Rank: #8320 (+262)
5K → 10K
22:21 | 7:12/mi
15K· 9.32 mi
1:06:57
Rank: #7631 (+689)
10K → 15K
21:42 | 6:59/mi
20K· 12.43 mi
1:29:24
Rank: #7496 (+135)
15K → 20K
22:27 | 7:14/mi
Half· 13.11 mi
1:34:10
Rank: #7432 (+64)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:51:45
Rank: #7332 (+100)
Half → 25K
17:35 | 7:15/mi
30K· 18.64 mi
2:14:27
Rank: #7060 (+272)
25K → 30K
22:42 | 7:18/mi
20M
2:24:26
Rank: #6947 (+113)
30K → 20M
9:59 | 7:21/mi
21M
2:32:11
Rank: #6862 (+85)
20M → 21M
7:45 | 7:45/mi
35K· 21.75 mi
2:37:38
Rank: #6831 (+31)
21M → 35K
5:27 | 7:17/mi
23M
2:47:00
Rank: #6754 (+77)
35K → 23M
9:22 | 7:29/mi
24M
2:54:11
Rank: #6670 (+84)
23M → 24M
7:11 | 7:11/mi
40K· 24.85 mi
3:00:19
Rank: #6546 (+124)
24M → 40K
6:08 | 7:10/mi
25.2M
3:03:04
Rank: #6534 (+12)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:10:10
Rank: #6460 (+74)
25.2M → Finish
7:06 | 6:58/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
Time1:34:10
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:36:00
Pace7:19 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:0722:547:2222:54
7:22
-
10K
6.21 mi11:35:2845:157:1722:21
7:12
-0:10
15K
9.32 mi11:57:101:06:577:1121:42
6:59
-0:13
20K
12.43 mi12:19:371:29:247:1222:27
7:14
+0:15
Half
13.11 mi12:24:231:34:107:114:46
6:59
-0:15
25K
15.53 mi12:41:581:51:457:1217:35
7:15
+0:16
30K
18.64 mi13:04:402:14:277:1322:42
7:18
+0:03
20M
20.00 mi13:14:392:24:267:139:59
7:21
+0:03
21M
21.00 mi13:22:242:32:117:157:45
7:45
+0:24
35K
21.75 mi13:27:512:37:387:155:27
7:17
-0:28
23M
23.00 mi13:37:132:47:007:169:22
7:29
+0:12
24M
24.00 mi13:44:242:54:117:157:11
7:11
-0:18
40K
24.85 mi13:50:323:00:197:156:08
7:10
-0:01
25.2M
25.20 mi13:53:173:03:047:162:45
7:58
+0:48
Finish
26.22 mi14:00:233:10:107:157:06
6:58
-1:00

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

6:58 /mi

Average Pace

7:15 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:40

94% of race

Time at Steady Pace

10:30

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:15 /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 mi11:13:0722:547:2222:54
7:22
#8582
10K
6.21 mi11:35:2845:157:1722:21
7:12
#8320
15K
9.32 mi11:57:101:06:577:1121:42
6:59
#7631
20K
12.43 mi12:19:371:29:247:1222:27
7:14
#7496
Half
13.11 mi12:24:231:34:107:114:46
6:59
#7432
25K
15.53 mi12:41:581:51:457:1217:35
7:15
#7332
30K
18.64 mi13:04:402:14:277:1322:42
7:18
#7060
20M
20.00 mi13:14:392:24:267:139:59
7:21
#6947
21M
21.00 mi13:22:242:32:117:157:45
7:45
#6862
35K
21.75 mi13:27:512:37:387:155:27
7:17
#6831
23M
23.00 mi13:37:132:47:007:169:22
7:29
#6754
24M
24.00 mi13:44:242:54:117:157:11
7:11
#6670
40K
24.85 mi13:50:323:00:197:156:08
7:10
#6546
25.2M
25.20 mi13:53:173:03:047:162:45
7:58
#6534
Finish
26.22 mi14:00:233:10:107:157:06
6:58
#6460
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi8582734273426461(Top 24%)5825(Top 38%)5825(Top 410%)
10K6.21 mi3.10 mi8320+2627156+1867156+1868035(Top 30%)6965(Top 46%)6965(Top 490%)
15K9.32 mi3.11 mi7631+6896712+4446712+4446461(Top 24%)5825(Top 38%)5825(Top 410%)
20K12.43 mi3.11 mi7496+1356608+1046608+1047251(Top 27%)6384(Top 42%)6384(Top 449%)
Half13.11 mi0.68 mi7432+646557+516557+516459(Top 24%)5835(Top 38%)5835(Top 410%)
25K15.53 mi2.42 mi7332+1006479+786479+786947(Top 26%)6114(Top 40%)6114(Top 430%)
30K18.64 mi3.11 mi7060+2726258+2216258+2216058(Top 23%)5407(Top 36%)5407(Top 380%)
20M20.00 mi1.36 mi6947+1136168+906168+905902(Top 22%)5221(Top 34%)5221(Top 367%)
21M21.00 mi1.00 mi6862+856096+726096+725904(Top 22%)5131(Top 34%)5131(Top 361%)
35K21.75 mi0.75 mi6831+316063+336063+337000(Top 26%)5885(Top 39%)5885(Top 414%)
23M23.00 mi1.25 mi6754+775979+845979+846303(Top 24%)5375(Top 35%)5375(Top 378%)
24M24.00 mi1.00 mi6670+845904+755904+755650(Top 21%)4882(Top 32%)4882(Top 343%)
40K24.85 mi0.85 mi6546+1245800+1045800+1044750(Top 18%)4177(Top 28%)4177(Top 294%)
25.2M25.20 mi0.35 mi6534+125783+175783+176303(Top 24%)5139(Top 34%)5139(Top 361%)
Finish26.22 mi1.02 mi6460+745722+615722+615014(Top 19%)4285(Top 28%)4285(Top 301%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6461

Males

5825

M55-59

5825

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8035

Males

6965

M55-59

6965

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6461

Males

5825

M55-59

5825

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7251

Males

6384

M55-59

6384

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6459

Males

5835

M55-59

5835

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6947

Males

6114

M55-59

6114

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6058

Males

5407

M55-59

5407

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5902

Males

5221

M55-59

5221

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5904

Males

5131

M55-59

5131

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

7000

Males

5885

M55-59

5885

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6303

Males

5375

M55-59

5375

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5650

Males

4882

M55-59

4882

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4750

Males

4177

M55-59

4177

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6303

Males

5139

M55-59

5139

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5014

Males

4285

M55-59

4285

Passing Analysis

Category:
Athletes Passed
2488
Passed By
366
Net Change
+2122
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8582
5K → 10K391129+262#8582#8320
10K → 15K6923+689#8320#7631
15K → 20K19055+135#7631#7496
20K → Half673+64#7496#7432
Half → 25K13636+100#7432#7332
25K → 30K29220+272#7332#7060
30K → 20M1196+113#7060#6947
20M → 21M10217+85#6947#6862
21M → 35K5221+31#6862#6831
35K → 23M10629+77#6831#6754
23M → 24M9410+84#6754#6670
24M → 40K1306+124#6670#6546
40K → 25.2M2816+12#6546#6534
25.2M → Finish8915+74#6534#6460
TOTALS2488366+2122
📊

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