Boston Marathon logo
BOSTON MARATHON 2023

Landers Symes

Bib: 26186•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
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
9:15/mi
28:45
↑ 97↓ 3451.5%
10K· 6.21 mi
9:02/mi
56:49
↑ 79↓ 1380.4%
15K· 9.32 mi
9:59/mi
1:27:51
↑ 67↓ 78
20K· 12.43 mi
10:22/mi
2:00:05
↑ 106↓ 860.1%
Half· 13.11 mi
10:02/mi
2:06:56
↑ 19↓ 370.5%
25K· 15.53 mi
10:10/mi
2:31:35
↑ 66↓ 880.2%
30K· 18.64 mi
10:45/mi
3:05:00
↑ 181↓ 1480.2%
20M
11:15/mi
3:20:17
↑ 64↓ 500.2%
21M
11:56/mi
3:32:13
↑ 106↓ 241.6%
35K· 21.75 mi
10:22/mi
3:39:58
↑ 17↓ 861.7%
23M
10:26/mi
3:53:02
↑ 23↓ 630.6%
24M
9:49/mi
4:02:51
↓ 821.3%
40K· 24.85 mi
10:06/mi
4:11:29
↓ 200.3%
25.2M
10:52/mi
4:15:14
↑ 13↓ 160.2%
Finish· 26.22 mi
9:37/mi
4:25:02
↑ 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
Time2:06:56
Pace9:41 /mi
2nd Half
Distance13.11 mi
Time2:18:06
Pace10:32 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:1628:459:1528:45
9:15
-
10K
6.21 mi12:13:2056:499:0928:04
9:02
-0:13
15K
9.32 mi12:44:221:27:519:2631:02
9:59
+0:57
20K
12.43 mi13:16:362:00:059:4032:14
10:22
+0:23
Half
13.11 mi13:23:272:06:569:416:51
10:02
-0:20
25K
15.53 mi13:48:062:31:359:4524:39
10:10
+0:08
30K
18.64 mi14:21:313:05:009:5533:25
10:45
+0:35
20M
20.00 mi14:36:483:20:1710:0115:17
11:15
+0:30
21M
21.00 mi14:48:443:32:1310:0611:56
11:56
+0:41
35K
21.75 mi14:56:293:39:5810:077:45
10:22
-1:34
23M
23.00 mi15:09:333:53:0210:0813:04
10:26
+0:04
24M
24.00 mi15:19:224:02:5110:079:49
9:49
-0:37
40K
24.85 mi15:28:004:11:2910:078:38
10:06
+0:17
25.2M
25.20 mi15:31:454:15:1410:083:45
10:52
+0:46
Finish
26.22 mi15:41:334:25:0210:079:48
9:37
-1:15

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

9:02 /mi

Average Pace

10:07 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:37

25% of race

Time at Steady Pace

2:14:02

51% of race

Time at Slower Pace

1:04:23

24% of race

Average Pace: 10:06 /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 mi11:45:1628:459:1528:45
9:15
#21389
10K
6.21 mi12:13:2056:499:0928:04
9:02
#21223
15K
9.32 mi12:44:221:27:519:2631:02
9:59
#22066
20K
12.43 mi13:16:362:00:059:4032:14
10:22
#22590
Half
13.11 mi13:23:272:06:569:416:51
10:02
#22636
25K
15.53 mi13:48:062:31:359:4524:39
10:10
#22606
30K
18.64 mi14:21:313:05:009:5533:25
10:45
#22625
20M
20.00 mi14:36:483:20:1710:0115:17
11:15
#22673
21M
21.00 mi14:48:443:32:1310:0611:56
11:56
#22679
35K
21.75 mi14:56:293:39:5810:077:45
10:22
#22650
23M
23.00 mi15:09:333:53:0210:0813:04
10:26
#22553
24M
24.00 mi15:19:224:02:5110:079:49
9:49
#22466
40K
24.85 mi15:28:004:11:2910:078:38
10:06
#22389
25.2M
25.20 mi15:31:454:15:1410:083:45
10:52
#22358
Finish
26.22 mi15:41:334:25:0210:079:48
9:37
#22303
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi21389127971279723479(Top 88%)13859(Top 91%)13859(Top 975%)
10K6.21 mi3.10 mi21223+16612772+2512772+2521012(Top 79%)12721(Top 84%)12721(Top 895%)
15K9.32 mi3.11 mi22066-84313173-40113173-40123479(Top 88%)13859(Top 91%)13859(Top 975%)
20K12.43 mi3.11 mi22590-52413437-26413437-26423602(Top 89%)13890(Top 92%)13890(Top 977%)
Half13.11 mi0.68 mi22636-4613456-1913456-1923336(Top 88%)13773(Top 91%)13773(Top 969%)
25K15.53 mi2.42 mi22606+3013431+2513431+2522534(Top 85%)13377(Top 88%)13377(Top 941%)
30K18.64 mi3.11 mi22625-1913407+2413407+2422709(Top 85%)13382(Top 88%)13382(Top 941%)
20M20.00 mi1.36 mi22673-4813420-1313420-1323084(Top 87%)13505(Top 89%)13505(Top 950%)
21M21.00 mi1.00 mi22679-613417+313417+322642(Top 85%)13265(Top 87%)13265(Top 933%)
35K21.75 mi0.75 mi22650+2913394+2313394+2322115(Top 83%)12975(Top 85%)12975(Top 912%)
23M23.00 mi1.25 mi22553+9713346+4813346+4821163(Top 79%)12532(Top 83%)12532(Top 881%)
24M24.00 mi1.00 mi22466+8713305+4113305+4120277(Top 76%)12123(Top 80%)12123(Top 853%)
40K24.85 mi0.85 mi22389+7713258+4713258+4720234(Top 76%)12034(Top 79%)12034(Top 846%)
25.2M25.20 mi0.35 mi22358+3113243+1513243+1520156(Top 76%)12002(Top 79%)12002(Top 844%)
Finish26.22 mi1.02 mi22303+5513213+3013213+3020526(Top 77%)12202(Top 80%)12202(Top 858%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

23479

Males

13859

M55-59

13859

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

21012

Males

12721

M55-59

12721

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

23479

Males

13859

M55-59

13859

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23602

Males

13890

M55-59

13890

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

23336

Males

13773

M55-59

13773

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

22534

Males

13377

M55-59

13377

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

22709

Males

13382

M55-59

13382

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23084

Males

13505

M55-59

13505

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

22642

Males

13265

M55-59

13265

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22115

Males

12975

M55-59

12975

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

21163

Males

12532

M55-59

12532

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20277

Males

12123

M55-59

12123

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20234

Males

12034

M55-59

12034

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20156

Males

12002

M55-59

12002

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20526

Males

12202

M55-59

12202

Passing Analysis

Category:
Athletes Passed
1196
Passed By
2110
Net Change
-914
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21389
5K → 10K373207+166#21389#21223
10K → 15K18861-843#21223#22066
15K → 20K37561-524#22066#22590
20K → Half1460-46#22590#22636
Half → 25K11282+30#22636#22606
25K → 30K113132-19#22606#22625
30K → 20M4088-48#22625#22673
20M → 21M5056-6#22673#22679
21M → 35K5425+29#22679#22650
35K → 23M11619+97#22650#22553
23M → 24M925+87#22553#22466
24M → 40K825+77#22466#22389
40K → 25.2M354+31#22389#22358
25.2M → Finish605+55#22358#22303
TOTALS11962110-914
📊

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