Boston Marathon logo
BOSTON MARATHON 2023

Collin Molepe

Bib: 25958•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 30%
Gender (Male)
#0 / 15176
Top 45%
Masters (Masters Men)
#0 / 9891
Top 32%
Division (M45-49)
#0 / 2252
Top 43%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:00
Rank: #11656
Start → 5K
24:00 | 7:43/mi
10K· 6.21 mi
46:13
Rank: #9472 (+2184)
5K → 10K
22:13 | 7:09/mi
15K· 9.32 mi
1:08:51
Rank: #9088 (+384)
10K → 15K
22:38 | 7:17/mi
20K· 12.43 mi
1:31:46
Rank: #8878 (+210)
15K → 20K
22:55 | 7:23/mi
Half· 13.11 mi
1:36:44
Rank: #8844 (+34)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:54:45
Rank: #8731 (+113)
Half → 25K
18:01 | 7:26/mi
30K· 18.64 mi
2:18:38
Rank: #8653 (+78)
25K → 30K
23:53 | 7:41/mi
20M
2:29:06
Rank: #8593 (+60)
30K → 20M
10:28 | 7:42/mi
21M
2:37:16
Rank: #8561 (+32)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:42:51
Rank: #8536 (+25)
21M → 35K
5:35 | 7:28/mi
23M
2:52:18
Rank: #8395 (+141)
35K → 23M
9:27 | 7:33/mi
24M
2:59:38
Rank: #8291 (+104)
23M → 24M
7:20 | 7:20/mi
40K· 24.85 mi
3:06:01
Rank: #8190 (+101)
24M → 40K
6:23 | 7:28/mi
25.2M
3:08:40
Rank: #8108 (+82)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:16:07
Rank: #8054 (+54)
25.2M → Finish
7:27 | 7:19/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
Time1:36:44
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:39:23
Pace7:35 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:4324:007:4324:00
7:43
-
10K
6.21 mi12:01:5646:137:2622:13
7:09
-0:34
15K
9.32 mi12:24:341:08:517:2322:38
7:17
+0:08
20K
12.43 mi12:47:291:31:467:2322:55
7:23
+0:06
Half
13.11 mi12:52:271:36:447:234:58
7:17
-0:06
25K
15.53 mi13:10:281:54:457:2318:01
7:26
+0:09
30K
18.64 mi13:34:212:18:387:2623:53
7:41
+0:15
20M
20.00 mi13:44:492:29:067:2710:28
7:42
+0:01
21M
21.00 mi13:52:592:37:167:298:10
8:10
+0:28
35K
21.75 mi13:58:342:42:517:295:35
7:28
-0:42
23M
23.00 mi14:08:012:52:187:299:27
7:33
+0:05
24M
24.00 mi14:15:212:59:387:297:20
7:20
-0:13
40K
24.85 mi14:21:443:06:017:296:23
7:28
+0:08
25.2M
25.20 mi14:24:233:08:407:292:39
7:41
+0:13
Finish
26.22 mi14:31:503:16:077:297:27
7:19
-0:22

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

7:29 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:57

96% of race

Time at Steady Pace

8:10

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:29 /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 mi11:39:4324:007:4324:00
7:43
#11656
10K
6.21 mi12:01:5646:137:2622:13
7:09
#9472
15K
9.32 mi12:24:341:08:517:2322:38
7:17
#9088
20K
12.43 mi12:47:291:31:467:2322:55
7:23
#8878
Half
13.11 mi12:52:271:36:447:234:58
7:17
#8844
25K
15.53 mi13:10:281:54:457:2318:01
7:26
#8731
30K
18.64 mi13:34:212:18:387:2623:53
7:41
#8653
20M
20.00 mi13:44:492:29:067:2710:28
7:42
#8593
21M
21.00 mi13:52:592:37:167:298:10
8:10
#8561
35K
21.75 mi13:58:342:42:517:295:35
7:28
#8536
23M
23.00 mi14:08:012:52:187:299:27
7:33
#8395
24M
24.00 mi14:15:212:59:387:297:20
7:20
#8291
40K
24.85 mi14:21:443:06:017:296:23
7:28
#8190
25.2M
25.20 mi14:24:233:08:407:292:39
7:41
#8108
Finish
26.22 mi14:31:503:16:077:297:27
7:19
#8054
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi11656896289628441(Top 32%)7198(Top 47%)7198(Top 320%)
10K6.21 mi3.10 mi9472+21847859+11037859+11037772(Top 29%)6789(Top 45%)6789(Top 301%)
15K9.32 mi3.11 mi9088+3847612+2477612+2478441(Top 32%)7198(Top 47%)7198(Top 320%)
20K12.43 mi3.11 mi8878+2107479+1337479+1338330(Top 31%)7089(Top 47%)7089(Top 315%)
Half13.11 mi0.68 mi8844+347458+217458+218402(Top 32%)7141(Top 47%)7141(Top 317%)
25K15.53 mi2.42 mi8731+1137375+837375+838237(Top 31%)6960(Top 46%)6960(Top 309%)
30K18.64 mi3.11 mi8653+787285+907285+908535(Top 32%)7003(Top 46%)7003(Top 311%)
20M20.00 mi1.36 mi8593+607229+567229+568186(Top 31%)6709(Top 44%)6709(Top 298%)
21M21.00 mi1.00 mi8561+327190+397190+398401(Top 32%)6707(Top 44%)6707(Top 298%)
35K21.75 mi0.75 mi8536+257164+267164+268226(Top 31%)6627(Top 44%)6627(Top 294%)
23M23.00 mi1.25 mi8395+1417058+1067058+1066717(Top 25%)5648(Top 37%)5648(Top 251%)
24M24.00 mi1.00 mi8291+1046965+936965+936605(Top 25%)5495(Top 36%)5495(Top 244%)
40K24.85 mi0.85 mi8190+1016884+816884+816495(Top 24%)5341(Top 35%)5341(Top 237%)
25.2M25.20 mi0.35 mi8108+826826+586826+584823(Top 18%)4176(Top 28%)4176(Top 185%)
Finish26.22 mi1.02 mi8054+546770+566770+567192(Top 27%)5683(Top 37%)5683(Top 252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8441

Males

7198

M45-49

7198

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

7772

Males

6789

M45-49

6789

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8441

Males

7198

M45-49

7198

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8330

Males

7089

M45-49

7089

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8402

Males

7141

M45-49

7141

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8237

Males

6960

M45-49

6960

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8535

Males

7003

M45-49

7003

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8186

Males

6709

M45-49

6709

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8401

Males

6707

M45-49

6707

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8226

Males

6627

M45-49

6627

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6717

Males

5648

M45-49

5648

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6605

Males

5495

M45-49

5495

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6495

Males

5341

M45-49

5341

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4823

Males

4176

M45-49

4176

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7192

Males

5683

M45-49

5683

Passing Analysis

Category:
Athletes Passed
4062*
Passed By
460
Net Change
+3602
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11656
5K → 10K2189*5+2184#11656#9472
10K → 15K40925+384#9472#9088
15K → 20K24232+210#9088#8878
20K → Half4410+34#8878#8844
Half → 25K16451+113#8844#8731
25K → 30K203125+78#8731#8653
30K → 20M10848+60#8653#8593
20M → 21M8755+32#8593#8561
21M → 35K5126+25#8561#8536
35K → 23M15716+141#8536#8395
23M → 24M12622+104#8395#8291
24M → 40K11211+101#8291#8190
40K → 25.2M831+82#8190#8108
25.2M → Finish8733+54#8108#8054
TOTALS4062*460+3602

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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