Boston Marathon logo
BOSTON MARATHON 2023

Peter Duryea

Bib: 23695•M

MO

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
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
10:56/mi
33:59
↑ 97↓ 3451.5%
10K· 6.21 mi
11:03/mi
1:08:18
↑ 79↓ 1380.4%
15K· 9.32 mi
12:00/mi
1:45:35
↑ 67↓ 78
20K· 12.43 mi
12:22/mi
2:24:01
↑ 106↓ 860.1%
Half· 13.11 mi
12:11/mi
2:32:20
↑ 19↓ 370.5%
25K· 15.53 mi
14:01/mi
3:06:20
↑ 66↓ 880.2%
30K· 18.64 mi
14:39/mi
3:51:51
↑ 181↓ 1480.2%
20M
16:07/mi
4:13:45
↑ 64↓ 500.2%
21M
16:00/mi
4:29:45
↑ 106↓ 241.6%
35K· 21.75 mi
13:11/mi
4:39:37
↑ 17↓ 861.7%
23M
13:48/mi
4:56:54
↑ 23↓ 630.6%
24M
14:43/mi
5:11:37
↓ 821.3%
40K· 24.85 mi
14:56/mi
5:24:23
↓ 200.3%
25.2M
15:42/mi
5:29:48
↑ 13↓ 160.2%
Finish· 26.22 mi
13:42/mi
5:43:46
↑ 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
Time2:32:20
Pace11:37 /mi
2nd Half
Distance13.11 mi
Time3:11:26
Pace14:36 /mi
📊Positive Split: 25.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:5133:5910:5633:59
10:56
-
10K
6.21 mi12:03:101:08:1811:0034:19
11:03
+0:07
15K
9.32 mi12:40:271:45:3511:2037:17
12:00
+0:57
20K
12.43 mi13:18:532:24:0111:3538:26
12:22
+0:22
Half
13.11 mi13:27:122:32:2011:378:19
12:11
-0:11
25K
15.53 mi14:01:123:06:2012:0034:00
14:01
+1:50
30K
18.64 mi14:46:433:51:5112:2645:31
14:39
+0:38
20M
20.00 mi15:08:374:13:4512:4121:54
16:07
+1:28
21M
21.00 mi15:24:374:29:4512:5116:00
16:00
-0:07
35K
21.75 mi15:34:294:39:3712:519:52
13:11
-2:49
23M
23.00 mi15:51:464:56:5412:5517:17
13:48
+0:37
24M
24.00 mi16:06:295:11:3712:5914:43
14:43
+0:55
40K
24.85 mi16:19:155:24:2313:0312:46
14:56
+0:13
25.2M
25.20 mi16:24:405:29:4813:055:25
15:42
+0:46
Finish
26.22 mi16:38:385:43:4613:0713:58
13:42
-2:00

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

10:56 /mi

Average Pace

13:07 /mi

Slowest Pace

16:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:20

44% of race

Time at Steady Pace

1:15:07

22% of race

Time at Slower Pace

1:56:19

34% of race

Average Pace: 13:07 /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 mi11:28:5133:5910:5633:59
10:56
#25584
10K
6.21 mi12:03:101:08:1811:0034:19
11:03
#25587
15K
9.32 mi12:40:271:45:3511:2037:17
12:00
#25822
20K
12.43 mi13:18:532:24:0111:3538:26
12:22
#25869
Half
13.11 mi13:27:122:32:2011:378:19
12:11
#25883
25K
15.53 mi14:01:123:06:2012:0034:00
14:01
#26003
30K
18.64 mi14:46:433:51:5112:2645:31
14:39
#26096
20M
20.00 mi15:08:374:13:4512:4121:54
16:07
#26167
21M
21.00 mi15:24:374:29:4512:5116:00
16:00
#26182
35K
21.75 mi15:34:294:39:3712:519:52
13:11
#26173
23M
23.00 mi15:51:464:56:5412:5517:17
13:48
#26163
24M
24.00 mi16:06:295:11:3712:5914:43
14:43
#26188
40K
24.85 mi16:19:155:24:2313:0312:46
14:56
#26202
25.2M
25.20 mi16:24:405:29:4813:055:25
15:42
#26201
Finish
26.22 mi16:38:385:43:4613:0713:58
13:42
#26222
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi25584147861478626054(Top 98%)14957(Top 99%)14957(Top 2724%)
10K6.21 mi3.10 mi25587-314773+1314773+1325515(Top 96%)14750(Top 97%)14750(Top 2687%)
15K9.32 mi3.11 mi25822-23514874-10114874-10126054(Top 98%)14957(Top 99%)14957(Top 2724%)
20K12.43 mi3.11 mi25869-4714889-1514889-1525879(Top 97%)14873(Top 98%)14873(Top 2709%)
Half13.11 mi0.68 mi25883-1414896-714896-725990(Top 98%)14915(Top 98%)14915(Top 2717%)
25K15.53 mi2.42 mi26003-12014934-3814934-3826352(Top 99%)15058(Top 99%)15058(Top 2743%)
30K18.64 mi3.11 mi26096-9314958-2414958-2426310(Top 99%)15028(Top 99%)15028(Top 2737%)
20M20.00 mi1.36 mi26167-7114985-2714985-2726497(Top 100%)15110(Top 100%)15110(Top 2752%)
21M21.00 mi1.00 mi26182-1514990-514990-526223(Top 99%)14967(Top 99%)14967(Top 2726%)
35K21.75 mi0.75 mi26173+914983+714983+725701(Top 97%)14687(Top 97%)14687(Top 2675%)
23M23.00 mi1.25 mi26163+1014977+614977+625702(Top 97%)14676(Top 97%)14676(Top 2673%)
24M24.00 mi1.00 mi26188-2514985-814985-826331(Top 99%)14998(Top 99%)14998(Top 2732%)
40K24.85 mi0.85 mi26202-1414988-314988-326119(Top 98%)14868(Top 98%)14868(Top 2708%)
25.2M25.20 mi0.35 mi26201+114990-214990-226021(Top 98%)14824(Top 98%)14824(Top 2700%)
Finish26.22 mi1.02 mi26222-2114998-814998-826273(Top 99%)14951(Top 99%)14951(Top 2723%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

26054

Males

14957

M65-69

14957

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

25515

Males

14750

M65-69

14750

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

26054

Males

14957

M65-69

14957

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

25879

Males

14873

M65-69

14873

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

25990

Males

14915

M65-69

14915

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

26352

Males

15058

M65-69

15058

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

26310

Males

15028

M65-69

15028

30K→20M

18.6 - 20.0 mi

Top 100%
×5story building
+64ft-50ft

Overall

26497

Males

15110

M65-69

15110

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

26223

Males

14967

M65-69

14967

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

25701

Males

14687

M65-69

14687

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25702

Males

14676

M65-69

14676

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

26331

Males

14998

M65-69

14998

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

26119

Males

14868

M65-69

14868

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26021

Males

14824

M65-69

14824

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

26273

Males

14951

M65-69

14951

Passing Analysis

Category:
Athletes Passed
298
Passed By
936
Net Change
-638
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25584
5K → 10K138141-3#25584#25587
10K → 15K26261-235#25587#25822
15K → 20K4491-47#25822#25869
20K → Half620-14#25869#25883
Half → 25K8128-120#25883#26003
25K → 30K18111-93#26003#26096
30K → 20M475-71#26096#26167
20M → 21M621-15#26167#26182
21M → 35K123+9#26182#26173
35K → 23M2212+10#26173#26163
23M → 24M227-25#26163#26188
24M → 40K317-14#26188#26202
40K → 25.2M65+1#26202#26201
25.2M → Finish324-21#26201#26222
TOTALS298936-638
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing