Boston Marathon logo
BOSTON MARATHON 2023

James Engert

Bib: 23093•M

MN

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
Top 47%
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
8:32/mi
26:30
↑ 97↓ 3451.5%
10K· 6.21 mi
8:56/mi
54:15
↑ 79↓ 1380.4%
15K· 9.32 mi
9:01/mi
1:22:15
↑ 67↓ 78
20K· 12.43 mi
9:17/mi
1:51:05
↑ 106↓ 860.1%
Half· 13.11 mi
9:05/mi
1:57:17
↑ 19↓ 370.5%
25K· 15.53 mi
9:18/mi
2:19:50
↑ 66↓ 880.2%
30K· 18.64 mi
9:38/mi
2:49:46
↑ 181↓ 1480.2%
20M
9:48/mi
3:03:05
↑ 64↓ 500.2%
21M
9:48/mi
3:12:53
↑ 106↓ 241.6%
35K· 21.75 mi
8:53/mi
3:19:32
↑ 17↓ 861.7%
23M
9:25/mi
3:31:19
↑ 23↓ 630.6%
24M
9:04/mi
3:40:23
↓ 821.3%
40K· 24.85 mi
9:28/mi
3:48:29
↓ 200.3%
25.2M
9:54/mi
3:51:54
↑ 13↓ 160.2%
Finish· 26.22 mi
8:59/mi
4:01:03
↑ 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
Time1:57:17
Pace8:57 /mi
2nd Half
Distance13.11 mi
Time2:03:46
Pace9:26 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5026:308:3226:30
8:32
-
10K
6.21 mi11:50:3554:158:4427:45
8:56
+0:24
15K
9.32 mi12:18:351:22:158:4928:00
9:01
+0:05
20K
12.43 mi12:47:251:51:058:5628:50
9:17
+0:16
Half
13.11 mi12:53:371:57:178:576:12
9:05
-0:12
25K
15.53 mi13:16:102:19:509:0022:33
9:18
+0:13
30K
18.64 mi13:46:062:49:469:0629:56
9:38
+0:20
20M
20.00 mi13:59:253:03:059:0913:19
9:48
+0:10
21M
21.00 mi14:09:133:12:539:119:48
9:48
0:00
35K
21.75 mi14:15:523:19:329:106:39
8:53
-0:55
23M
23.00 mi14:27:393:31:199:1111:47
9:25
+0:32
24M
24.00 mi14:36:433:40:239:119:04
9:04
-0:21
40K
24.85 mi14:44:493:48:299:128:06
9:28
+0:24
25.2M
25.20 mi14:48:143:51:549:123:25
9:54
+0:26
Finish
26.22 mi14:57:234:01:039:129:09
8:59
-0:55

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

8:32 /mi

Average Pace

9:12 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:42

68% of race

Time at Steady Pace

1:16:21

32% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:12 /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 mi11:22:5026:308:3226:30
8:32
#17751
10K
6.21 mi11:50:3554:158:4427:45
8:56
#19305
15K
9.32 mi12:18:351:22:158:4928:00
9:01
#19728
20K
12.43 mi12:47:251:51:058:5628:50
9:17
#20055
Half
13.11 mi12:53:371:57:178:576:12
9:05
#20104
25K
15.53 mi13:16:102:19:509:0022:33
9:18
#20124
30K
18.64 mi13:46:062:49:469:0629:56
9:38
#20087
20M
20.00 mi13:59:253:03:059:0913:19
9:48
#20069
21M
21.00 mi14:09:133:12:539:119:48
9:48
#19876
35K
21.75 mi14:15:523:19:329:106:39
8:53
#19782
23M
23.00 mi14:27:393:31:199:1111:47
9:25
#19688
24M
24.00 mi14:36:433:40:239:119:04
9:04
#19592
40K
24.85 mi14:44:493:48:299:128:06
9:28
#19542
25.2M
25.20 mi14:48:143:51:549:123:25
9:54
#19518
Finish
26.22 mi14:57:234:01:039:129:09
8:59
#19478
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi17751113331133320553(Top 77%)12546(Top 83%)12546(Top 2285%)
10K6.21 mi3.10 mi19305-155411947-61411947-61420577(Top 77%)12531(Top 83%)12531(Top 2283%)
15K9.32 mi3.11 mi19728-42312129-18212129-18220553(Top 77%)12546(Top 83%)12546(Top 2285%)
20K12.43 mi3.11 mi20055-32712284-15512284-15520899(Top 79%)12705(Top 84%)12705(Top 2314%)
Half13.11 mi0.68 mi20104-4912308-2412308-2420757(Top 78%)12624(Top 83%)12624(Top 2299%)
25K15.53 mi2.42 mi20124-2012328-2012328-2020198(Top 76%)12370(Top 82%)12370(Top 2253%)
30K18.64 mi3.11 mi20087+3712291+3712291+3719913(Top 75%)12174(Top 80%)12174(Top 2217%)
20M20.00 mi1.36 mi20069+1812264+2712264+2719872(Top 75%)12061(Top 79%)12061(Top 2197%)
21M21.00 mi1.00 mi19876+19312188+7612188+7617233(Top 65%)10881(Top 72%)10881(Top 1982%)
35K21.75 mi0.75 mi19782+9412141+4712141+4717382(Top 65%)10881(Top 72%)10881(Top 1982%)
23M23.00 mi1.25 mi19688+9412088+5312088+5317971(Top 68%)11104(Top 73%)11104(Top 2023%)
24M24.00 mi1.00 mi19592+9612035+5312035+5317533(Top 66%)10872(Top 72%)10872(Top 1980%)
40K24.85 mi0.85 mi19542+5012009+2612009+2618241(Top 69%)11152(Top 73%)11152(Top 2031%)
25.2M25.20 mi0.35 mi19518+2411993+1611993+1616998(Top 64%)10575(Top 70%)10575(Top 1926%)
Finish26.22 mi1.02 mi19478+4011970+2311970+2317862(Top 67%)11004(Top 73%)11004(Top 2004%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

20553

Males

12546

M65-69

12546

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20577

Males

12531

M65-69

12531

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

20553

Males

12546

M65-69

12546

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

20899

Males

12705

M65-69

12705

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20757

Males

12624

M65-69

12624

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

20198

Males

12370

M65-69

12370

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19913

Males

12174

M65-69

12174

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19872

Males

12061

M65-69

12061

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17233

Males

10881

M65-69

10881

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17382

Males

10881

M65-69

10881

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

17971

Males

11104

M65-69

11104

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

17533

Males

10872

M65-69

10872

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18241

Males

11152

M65-69

11152

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16998

Males

10575

M65-69

10575

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17862

Males

11004

M65-69

11004

Passing Analysis

Category:
Athletes Passed
1299
Passed By
3026
Net Change
-1727
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17751
5K → 10K351589-1554#17751#19305
10K → 15K65488-423#19305#19728
15K → 20K91418-327#19728#20055
20K → Half1362-49#20055#20104
Half → 25K125145-20#20104#20124
25K → 30K174137+37#20124#20087
30K → 20M9274+18#20087#20069
20M → 21M20310+193#20069#19876
21M → 35K1028+94#19876#19782
35K → 23M12026+94#19782#19688
23M → 24M10913+96#19688#19592
24M → 40K6515+50#19592#19542
40K → 25.2M3410+24#19542#19518
25.2M → Finish7131+40#19518#19478
TOTALS12993026-1727
📊

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