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BOSTON MARATHON 2023

Jamie Harries

Bib: 31515•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
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
9:01/mi
28:02
↑ 97↓ 3451.5%
10K· 6.21 mi
8:34/mi
54:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:30/mi
1:21:04
↑ 67↓ 78
20K· 12.43 mi
8:32/mi
1:47:36
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:53:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:46/mi
2:14:38
↑ 66↓ 880.2%
30K· 18.64 mi
9:14/mi
2:43:19
↑ 181↓ 1480.2%
20M
9:15/mi
2:55:53
↑ 64↓ 500.2%
21M
9:55/mi
3:05:48
↑ 106↓ 241.6%
35K· 21.75 mi
9:29/mi
3:12:54
↑ 17↓ 861.7%
23M
9:56/mi
3:25:20
↑ 23↓ 630.6%
24M
9:48/mi
3:35:08
↓ 821.3%
40K· 24.85 mi
11:17/mi
3:44:47
↓ 200.3%
25.2M
10:50/mi
3:48:31
↑ 13↓ 160.2%
Finish· 26.22 mi
8:31/mi
3:57:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:23
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:03:49
Pace9:27 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4028:029:0128:02
9:01
-
10K
6.21 mi12:16:1754:398:4826:37
8:34
-0:27
15K
9.32 mi12:42:421:21:048:4226:25
8:30
-0:04
20K
12.43 mi13:09:141:47:368:3926:32
8:32
+0:02
Half
13.11 mi13:15:011:53:238:395:47
8:29
-0:03
25K
15.53 mi13:36:162:14:388:4021:15
8:46
+0:17
30K
18.64 mi14:04:572:43:198:4628:41
9:14
+0:28
20M
20.00 mi14:17:312:55:538:4812:34
9:15
+0:01
21M
21.00 mi14:27:263:05:488:519:55
9:55
+0:40
35K
21.75 mi14:34:323:12:548:527:06
9:29
-0:26
23M
23.00 mi14:46:583:25:208:5612:26
9:56
+0:27
24M
24.00 mi14:56:463:35:088:589:48
9:48
-0:08
40K
24.85 mi15:06:253:44:479:039:39
11:17
+1:29
25.2M
25.20 mi15:10:093:48:319:043:44
10:50
-0:27
Finish
26.22 mi15:18:503:57:129:038:41
8:31
-2:19

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

8:29 /mi

Average Pace

9:03 /mi

Slowest Pace

11:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:17

49% of race

Time at Steady Pace

1:16:23

32% of race

Time at Slower Pace

45:32

19% of race

Average Pace: 9:03 /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 mi11:49:4028:029:0128:02
9:01
#20553
10K
6.21 mi12:16:1754:398:4826:37
8:34
#19642
15K
9.32 mi12:42:421:21:048:4226:25
8:30
#19028
20K
12.43 mi13:09:141:47:368:3926:32
8:32
#18557
Half
13.11 mi13:15:011:53:238:395:47
8:29
#18503
25K
15.53 mi13:36:162:14:388:4021:15
8:46
#18381
30K
18.64 mi14:04:572:43:198:4628:41
9:14
#18340
20M
20.00 mi14:17:312:55:538:4812:34
9:15
#18311
21M
21.00 mi14:27:263:05:488:519:55
9:55
#18266
35K
21.75 mi14:34:323:12:548:527:06
9:29
#18333
23M
23.00 mi14:46:583:25:208:5612:26
9:56
#18456
24M
24.00 mi14:56:463:35:088:589:48
9:48
#18568
40K
24.85 mi15:06:253:44:479:039:39
11:17
#18871
25.2M
25.20 mi15:10:093:48:319:043:44
10:50
#18907
Finish
26.22 mi15:18:503:57:129:038:41
8:31
#18801
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20553123851238517825(Top 67%)11406(Top 75%)11406(Top 216%)
10K6.21 mi3.10 mi19642+91112062+32312062+32318654(Top 70%)11765(Top 78%)11765(Top 223%)
15K9.32 mi3.11 mi19028+61411859+20311859+20317825(Top 67%)11406(Top 75%)11406(Top 216%)
20K12.43 mi3.11 mi18557+47111701+15811701+15817114(Top 64%)11100(Top 73%)11100(Top 210%)
Half13.11 mi0.68 mi18503+5411678+2311678+2317568(Top 66%)11329(Top 75%)11329(Top 214%)
25K15.53 mi2.42 mi18381+12211607+7111607+7117743(Top 67%)11299(Top 74%)11299(Top 214%)
30K18.64 mi3.11 mi18340+4111554+5311554+5318306(Top 69%)11472(Top 76%)11472(Top 217%)
20M20.00 mi1.36 mi18311+2911518+3611518+3617781(Top 67%)11138(Top 73%)11138(Top 211%)
21M21.00 mi1.00 mi18266+4511486+3211486+3217706(Top 67%)11102(Top 73%)11102(Top 210%)
35K21.75 mi0.75 mi18333-6711517-3111517-3119800(Top 74%)11960(Top 79%)11960(Top 226%)
23M23.00 mi1.25 mi18456-12311560-4311560-4319763(Top 74%)11911(Top 78%)11911(Top 225%)
24M24.00 mi1.00 mi18568-11211601-4111601-4120203(Top 76%)12088(Top 80%)12088(Top 229%)
40K24.85 mi0.85 mi18871-30311720-11911720-11922862(Top 86%)13245(Top 87%)13245(Top 251%)
25.2M25.20 mi0.35 mi18907-3611732-1211732-1220010(Top 75%)11918(Top 79%)11918(Top 226%)
Finish26.22 mi1.02 mi18801+10611676+5611676+5615549(Top 58%)9976(Top 66%)9976(Top 189%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17825

Males

11406

M18-39

11406

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18654

Males

11765

M18-39

11765

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17825

Males

11406

M18-39

11406

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

17114

Males

11100

M18-39

11100

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

17568

Males

11329

M18-39

11329

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17743

Males

11299

M18-39

11299

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18306

Males

11472

M18-39

11472

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17781

Males

11138

M18-39

11138

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

17706

Males

11102

M18-39

11102

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19800

Males

11960

M18-39

11960

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

19763

Males

11911

M18-39

11911

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20203

Males

12088

M18-39

12088

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22862

Males

13245

M18-39

13245

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20010

Males

11918

M18-39

11918

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

15549

Males

9976

M18-39

9976

Passing Analysis

Category:
Athletes Passed
3023
Passed By
1271
Net Change
+1752
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20553
5K → 10K98170+911#20553#19642
10K → 15K64329+614#19642#19028
15K → 20K48817+471#19028#18557
20K → Half628+54#18557#18503
Half → 25K19371+122#18503#18381
25K → 30K204163+41#18381#18340
30K → 20M10778+29#18340#18311
20M → 21M10863+45#18311#18266
21M → 35K2693-67#18266#18333
35K → 23M49172-123#18333#18456
23M → 24M22134-112#18456#18568
24M → 40K7310-303#18568#18871
40K → 25.2M2056-36#18871#18907
25.2M → Finish1137+106#18907#18801
TOTALS30231271+1752
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing