Boston Marathon logo
BOSTON MARATHON 2023

Stan Lockhart

UT

Bib: 20590 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 24%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:02/mi
24:56
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:16/mi
50:37
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:12/mi
1:16:05
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:39/mi
1:42:58
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:05/mi
1:48:29
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:14/mi
2:08:26
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:33/mi
2:34:59
↑ 181↓ 1480.2%
138 ft elev
20M
8:20/mi
2:46:19
↑ 64↓ 500.2%
148 ft elev
21M
8:57/mi
2:55:16
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:01/mi
3:01:16
↑ 17↓ 861.7%
156 ft elev
23M
8:09/mi
3:11:28
↑ 23↓ 630.6%
116 ft elev
24M
7:43/mi
3:19:11
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:43/mi
3:25:47
↓ 200.3%
20 ft elev
25.2M
8:39/mi
3:28:46
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:11/mi
3:36:05
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:48:29
Pace8:17 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:47:36
Pace8:12 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0224:568:0224:56
8:02
-
10K
6.21 mi11:45:4350:378:0925:41
8:16
+0:14
15K
9.32 mi12:11:111:16:058:1025:28
8:12
-0:04
20K
12.43 mi12:38:041:42:588:1726:53
8:39
+0:27
Half
13.11 mi12:43:351:48:298:175:31
8:05
-0:34
25K
15.53 mi13:03:322:08:268:1619:57
8:14
+0:09
30K
18.64 mi13:30:052:34:598:1926:33
8:33
+0:19
20M
20.00 mi13:41:252:46:198:1911:20
8:20
-0:13
21M
21.00 mi13:50:222:55:168:218:57
8:57
+0:37
35K
21.75 mi13:56:223:01:168:206:00
8:01
-0:56
23M
23.00 mi14:06:343:11:288:1910:12
8:09
+0:08
24M
24.00 mi14:14:173:19:118:187:43
7:43
-0:26
40K
24.85 mi14:20:533:25:478:176:36
7:43
0:00
25.2M
25.20 mi14:23:523:28:468:172:59
8:39
+0:56
Finish
26.22 mi14:31:113:36:058:157:19
7:11
-1:28

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

7:11 /mi

Average Pace

8:15 /mi

Slowest Pace

8:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:38

10% of race

Time at Steady Pace

2:09:05

60% of race

Time at Slower Pace

1:05:22

30% of race

Average Pace: 8:14 /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 mi11:20:0224:568:0224:56
8:02
#14180
10K
6.21 mi11:45:4350:378:0925:41
8:16
#15427
15K
9.32 mi12:11:111:16:058:1025:28
8:12
#15561
20K
12.43 mi12:38:041:42:588:1726:53
8:39
#16149
Half
13.11 mi12:43:351:48:298:175:31
8:05
#16094
25K
15.53 mi13:03:322:08:268:1619:57
8:14
#15803
30K
18.64 mi13:30:052:34:598:1926:33
8:33
#15571
20M
20.00 mi13:41:252:46:198:1911:20
8:20
#15334
21M
21.00 mi13:50:222:55:168:218:57
8:57
#15175
35K
21.75 mi13:56:223:01:168:206:00
8:01
#15076
23M
23.00 mi14:06:343:11:288:1910:12
8:09
#14828
24M
24.00 mi14:14:173:19:118:187:43
7:43
#14569
40K
24.85 mi14:20:533:25:478:176:36
7:43
#14334
25.2M
25.20 mi14:23:523:28:468:172:59
8:39
#14262
Finish
26.22 mi14:31:113:36:058:157:19
7:11
#13927
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi14180100241002415834(Top 59%)10623(Top 70%)10623(Top 957%)
10K6.21 mi3.10 mi15427-124710488-46410488-46416680(Top 63%)10976(Top 72%)10976(Top 989%)
15K9.32 mi3.11 mi15561-13410525-3710525-3715834(Top 59%)10623(Top 70%)10623(Top 957%)
20K12.43 mi3.11 mi16149-58810733-20810733-20817805(Top 67%)11379(Top 75%)11379(Top 1025%)
Half13.11 mi0.68 mi16094+5510702+3110702+3114977(Top 56%)10277(Top 68%)10277(Top 926%)
25K15.53 mi2.42 mi15803+29110569+13310569+13314421(Top 54%)9936(Top 65%)9936(Top 895%)
30K18.64 mi3.11 mi15571+23210441+12810441+12814571(Top 55%)9881(Top 65%)9881(Top 890%)
20M20.00 mi1.36 mi15334+23710328+11310328+11312612(Top 47%)8954(Top 59%)8954(Top 807%)
21M21.00 mi1.00 mi15175+15910247+8110247+8113105(Top 49%)9087(Top 60%)9087(Top 819%)
35K21.75 mi0.75 mi15076+9910193+5410193+5412258(Top 46%)8676(Top 57%)8676(Top 782%)
23M23.00 mi1.25 mi14828+24810072+12110072+12110803(Top 41%)7880(Top 52%)7880(Top 710%)
24M24.00 mi1.00 mi14569+2599959+1139959+1139197(Top 35%)7000(Top 46%)7000(Top 631%)
40K24.85 mi0.85 mi14334+2359840+1199840+1198108(Top 30%)6327(Top 42%)6327(Top 570%)
25.2M25.20 mi0.35 mi14262+729799+419799+4110449(Top 39%)7547(Top 50%)7547(Top 680%)
Finish26.22 mi1.02 mi13927+3359660+1399660+1396299(Top 24%)5138(Top 34%)5138(Top 463%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15834

Males

10623

M60-64

10623

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

16680

Males

10976

M60-64

10976

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15834

Males

10623

M60-64

10623

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17805

Males

11379

M60-64

11379

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14977

Males

10277

M60-64

10277

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14421

Males

9936

M60-64

9936

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14571

Males

9881

M60-64

9881

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12612

Males

8954

M60-64

8954

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13105

Males

9087

M60-64

9087

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12258

Males

8676

M60-64

8676

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10803

Males

7880

M60-64

7880

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9197

Males

7000

M60-64

7000

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8108

Males

6327

M60-64

6327

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10449

Males

7547

M60-64

7547

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6299

Males

5138

M60-64

5138

Passing Analysis

Category:
Athletes Passed
2581
Passed By
2328
Net Change
+253
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14180
5K → 10K381285-1247#14180#15427
10K → 15K134268-134#15427#15561
15K → 20K51639-588#15561#16149
20K → Half7015+55#16149#16094
Half → 25K30817+291#16094#15803
25K → 30K30674+232#15803#15571
30K → 20M2436+237#15571#15334
20M → 21M17516+159#15334#15175
21M → 35K1056+99#15175#15076
35K → 23M2491+248#15076#14828
23M → 24M2590+259#14828#14569
24M → 40K2350+235#14569#14334
40K → 25.2M731+72#14334#14262
25.2M → Finish3350+335#14262#13927
TOTALS25812328+253
📊

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