Boston Marathon logo
BOSTON MARATHON 2023

Peter Limbrick

Bib: 15159•M

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 39%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 43%
Division (M55-59)
#0 / 1422
Top 25%
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
7:33/mi
23:28
↑ 97↓ 3451.5%
10K· 6.21 mi
7:37/mi
47:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:10:47
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:34:39
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:39:54
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
1:58:48
↑ 66↓ 880.2%
30K· 18.64 mi
8:02/mi
2:23:44
↑ 181↓ 1480.2%
20M
8:19/mi
2:35:02
↑ 64↓ 500.2%
21M
8:19/mi
2:43:21
↑ 106↓ 241.6%
35K· 21.75 mi
7:44/mi
2:49:08
↑ 17↓ 861.7%
23M
7:56/mi
2:59:04
↑ 23↓ 630.6%
24M
7:42/mi
3:06:46
↓ 821.3%
40K· 24.85 mi
7:44/mi
3:13:23
↓ 200.3%
25.2M
8:10/mi
3:16:12
↑ 13↓ 160.2%
Finish· 26.22 mi
7:36/mi
3:23:57
↑ 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
Time1:39:54
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:44:03
Pace7:56 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:2823:287:3323:28
7:33
-
10K
6.21 mi11:17:0847:087:3523:40
7:37
+0:04
15K
9.32 mi11:40:471:10:477:3623:39
7:37
0:00
20K
12.43 mi12:04:391:34:397:3723:52
7:41
+0:04
Half
13.11 mi12:09:541:39:547:375:15
7:42
+0:01
25K
15.53 mi12:28:481:58:487:3918:54
7:48
+0:06
30K
18.64 mi12:53:442:23:447:4324:56
8:02
+0:14
20M
20.00 mi13:05:022:35:027:4511:18
8:19
+0:17
21M
21.00 mi13:13:212:43:217:478:19
8:19
0:00
35K
21.75 mi13:19:082:49:087:475:47
7:44
-0:35
23M
23.00 mi13:29:042:59:047:479:56
7:56
+0:12
24M
24.00 mi13:36:463:06:467:477:42
7:42
-0:14
40K
24.85 mi13:43:233:13:237:476:37
7:44
+0:02
25.2M
25.20 mi13:46:123:16:127:472:49
8:10
+0:26
Finish
26.22 mi13:53:573:23:577:477:45
7:36
-0:34

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

7:33 /mi

Average Pace

7:47 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:20

90% of race

Time at Steady Pace

19:37

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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 mi10:53:2823:287:3323:28
7:33
#10093
10K
6.21 mi11:17:0847:087:3523:40
7:37
#10779
15K
9.32 mi11:40:471:10:477:3623:39
7:37
#10881
20K
12.43 mi12:04:391:34:397:3723:52
7:41
#10837
Half
13.11 mi12:09:541:39:547:375:15
7:42
#10899
25K
15.53 mi12:28:481:58:487:3918:54
7:48
#10881
30K
18.64 mi12:53:442:23:447:4324:56
8:02
#10857
20M
20.00 mi13:05:022:35:027:4511:18
8:19
#10949
21M
21.00 mi13:13:212:43:217:478:19
8:19
#10828
35K
21.75 mi13:19:082:49:087:475:47
7:44
#10788
23M
23.00 mi13:29:042:59:047:479:56
7:56
#10672
24M
24.00 mi13:36:463:06:467:477:42
7:42
#10603
40K
24.85 mi13:43:233:13:237:476:37
7:44
#10486
25.2M
25.20 mi13:46:123:16:127:472:49
8:10
#10412
Finish
26.22 mi13:53:573:23:577:477:45
7:36
#10335
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi100938175817511114(Top 42%)8683(Top 57%)8683(Top 611%)
10K6.21 mi3.10 mi10779-6868551-3768551-37611469(Top 43%)8863(Top 58%)8863(Top 623%)
15K9.32 mi3.11 mi10881-1028597-468597-4611114(Top 42%)8683(Top 57%)8683(Top 611%)
20K12.43 mi3.11 mi10837+448561+368561+3610765(Top 40%)8453(Top 56%)8453(Top 594%)
Half13.11 mi0.68 mi10899-628597-368597-3611766(Top 44%)8951(Top 59%)8951(Top 629%)
25K15.53 mi2.42 mi10881+188575+228575+2211040(Top 41%)8520(Top 56%)8520(Top 599%)
30K18.64 mi3.11 mi10857+248512+638512+6311095(Top 42%)8388(Top 55%)8388(Top 590%)
20M20.00 mi1.36 mi10949-928525-138525-1312495(Top 47%)8893(Top 59%)8893(Top 625%)
21M21.00 mi1.00 mi10828+1218441+848441+849275(Top 35%)7215(Top 48%)7215(Top 507%)
35K21.75 mi0.75 mi10788+408407+348407+3410127(Top 38%)7687(Top 51%)7687(Top 541%)
23M23.00 mi1.25 mi10672+1168313+948313+949288(Top 35%)7120(Top 47%)7120(Top 501%)
24M24.00 mi1.00 mi10603+698260+538260+539075(Top 34%)6931(Top 46%)6931(Top 487%)
40K24.85 mi0.85 mi10486+1178165+958165+958234(Top 31%)6398(Top 42%)6398(Top 450%)
25.2M25.20 mi0.35 mi10412+748118+478118+477503(Top 28%)5903(Top 39%)5903(Top 415%)
Finish26.22 mi1.02 mi10335+778054+648054+649296(Top 35%)6916(Top 46%)6916(Top 486%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11114

Males

8683

M55-59

8683

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

11469

Males

8863

M55-59

8863

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11114

Males

8683

M55-59

8683

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10765

Males

8453

M55-59

8453

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11766

Males

8951

M55-59

8951

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11040

Males

8520

M55-59

8520

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11095

Males

8388

M55-59

8388

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12495

Males

8893

M55-59

8893

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9275

Males

7215

M55-59

7215

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10127

Males

7687

M55-59

7687

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9288

Males

7120

M55-59

7120

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9075

Males

6931

M55-59

6931

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8234

Males

6398

M55-59

6398

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7503

Males

5903

M55-59

5903

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9296

Males

6916

M55-59

6916

Passing Analysis

Category:
Athletes Passed
1604*
Passed By
1846
Net Change
-242
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10093
5K → 10K88774-686#10093#10779
10K → 15K144246-102#10779#10881
15K → 20K180136+44#10881#10837
20K → Half1476-62#10837#10899
Half → 25K127109+18#10899#10881
25K → 30K209185+24#10881#10857
30K → 20M55*147-92#10857#10949
20M → 21M14322+121#10949#10828
21M → 35K6424+40#10828#10788
35K → 23M14933+116#10788#10672
23M → 24M10637+69#10672#10603
24M → 40K13417+117#10603#10486
40K → 25.2M795+74#10486#10412
25.2M → Finish11235+77#10412#10335
TOTALS1604*1846-242

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

📊

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