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BOSTON MARATHON 2023

Jim Harding

Bib: 20466•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 46%
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
8:49/mi
27:25
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
53:49
↑ 79↓ 1380.4%
15K· 9.32 mi
8:36/mi
1:20:31
↑ 67↓ 78
20K· 12.43 mi
8:44/mi
1:47:39
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:53:34
↑ 19↓ 370.5%
25K· 15.53 mi
8:40/mi
2:14:34
↑ 66↓ 880.2%
30K· 18.64 mi
8:41/mi
2:41:32
↑ 181↓ 1480.2%
20M
8:48/mi
2:53:29
↑ 64↓ 500.2%
21M
9:07/mi
3:02:36
↑ 106↓ 241.6%
35K· 21.75 mi
8:24/mi
3:08:53
↑ 17↓ 861.7%
23M
9:03/mi
3:20:13
↑ 23↓ 630.6%
24M
8:36/mi
3:28:49
↓ 821.3%
40K· 24.85 mi
8:53/mi
3:36:25
↓ 200.3%
25.2M
9:14/mi
3:39:36
↑ 13↓ 160.2%
Finish· 26.22 mi
8:31/mi
3:48:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:34
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time1:54:43
Pace8:45 /mi
📊Positive Split: 1.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1927:258:4927:25
8:49
-
10K
6.21 mi11:47:4353:498:4026:24
8:30
-0:19
15K
9.32 mi12:14:251:20:318:3826:42
8:36
+0:06
20K
12.43 mi12:41:331:47:398:4027:08
8:44
+0:08
Half
13.11 mi12:47:281:53:348:405:55
8:40
-0:04
25K
15.53 mi13:08:282:14:348:4021:00
8:40
0:00
30K
18.64 mi13:35:262:41:328:4026:58
8:41
+0:01
20M
20.00 mi13:47:232:53:298:4011:57
8:48
+0:07
21M
21.00 mi13:56:303:02:368:429:07
9:07
+0:19
35K
21.75 mi14:02:473:08:538:416:17
8:24
-0:43
23M
23.00 mi14:14:073:20:138:4211:20
9:03
+0:39
24M
24.00 mi14:22:433:28:498:428:36
8:36
-0:27
40K
24.85 mi14:30:193:36:258:427:36
8:53
+0:17
25.2M
25.20 mi14:33:303:39:368:433:11
9:14
+0:21
Finish
26.22 mi14:42:113:48:178:438:41
8:31
-0:43

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

8:24 /mi

Average Pace

8:43 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:03

86% of race

Time at Steady Pace

31:14

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:42 /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 mi11:21:1927:258:4927:25
8:49
#19586
10K
6.21 mi11:47:4353:498:4026:24
8:30
#18877
15K
9.32 mi12:14:251:20:318:3826:42
8:36
#18686
20K
12.43 mi12:41:331:47:398:4027:08
8:44
#18595
Half
13.11 mi12:47:281:53:348:405:55
8:40
#18593
25K
15.53 mi13:08:282:14:348:4021:00
8:40
#18349
30K
18.64 mi13:35:262:41:328:4026:58
8:41
#17744
20M
20.00 mi13:47:232:53:298:4011:57
8:48
#17570
21M
21.00 mi13:56:303:02:368:429:07
9:07
#17350
35K
21.75 mi14:02:473:08:538:416:17
8:24
#17251
23M
23.00 mi14:14:073:20:138:4211:20
9:03
#17202
24M
24.00 mi14:22:433:28:498:428:36
8:36
#17091
40K
24.85 mi14:30:193:36:258:427:36
8:53
#17044
25.2M
25.20 mi14:33:303:39:368:433:11
9:14
#16979
Finish
26.22 mi14:42:113:48:178:438:41
8:31
#16929
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19586119951199518388(Top 69%)11638(Top 77%)11638(Top 1048%)
10K6.21 mi3.10 mi18877+70911794+20111794+20118220(Top 68%)11592(Top 76%)11592(Top 1044%)
15K9.32 mi3.11 mi18686+19111733+6111733+6118388(Top 69%)11638(Top 77%)11638(Top 1048%)
20K12.43 mi3.11 mi18595+9111710+2311710+2318311(Top 69%)11609(Top 76%)11609(Top 1046%)
Half13.11 mi0.68 mi18593+2117101171018724(Top 70%)11779(Top 78%)11779(Top 1061%)
25K15.53 mi2.42 mi18349+24411591+11911591+11917158(Top 64%)11044(Top 73%)11044(Top 995%)
30K18.64 mi3.11 mi17744+60511321+27011321+27015390(Top 58%)10212(Top 67%)10212(Top 920%)
20M20.00 mi1.36 mi17570+17411232+8911232+8915388(Top 58%)10165(Top 67%)10165(Top 916%)
21M21.00 mi1.00 mi17350+22011127+10511127+10514060(Top 53%)9532(Top 63%)9532(Top 859%)
35K21.75 mi0.75 mi17251+9911080+4711080+4714700(Top 55%)9751(Top 64%)9751(Top 878%)
23M23.00 mi1.25 mi17202+4911045+3511045+3516302(Top 61%)10371(Top 68%)10371(Top 934%)
24M24.00 mi1.00 mi17091+11110975+7010975+7015049(Top 57%)9780(Top 64%)9780(Top 881%)
40K24.85 mi0.85 mi17044+4710937+3810937+3815541(Top 58%)9924(Top 65%)9924(Top 894%)
25.2M25.20 mi0.35 mi16979+6510900+3710900+3713778(Top 52%)9146(Top 60%)9146(Top 824%)
Finish26.22 mi1.02 mi16929+5010869+3110869+3115541(Top 58%)9968(Top 66%)9968(Top 898%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18388

Males

11638

M60-64

11638

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

18220

Males

11592

M60-64

11592

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18388

Males

11638

M60-64

11638

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

18311

Males

11609

M60-64

11609

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

18724

Males

11779

M60-64

11779

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

17158

Males

11044

M60-64

11044

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

15390

Males

10212

M60-64

10212

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

15388

Males

10165

M60-64

10165

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14060

Males

9532

M60-64

9532

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14700

Males

9751

M60-64

9751

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16302

Males

10371

M60-64

10371

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15049

Males

9780

M60-64

9780

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15541

Males

9924

M60-64

9924

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13778

Males

9146

M60-64

9146

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

15541

Males

9968

M60-64

9968

Passing Analysis

Category:
Athletes Passed
3229
Passed By
572
Net Change
+2657
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19586
5K → 10K829120+709#19586#18877
10K → 15K295104+191#18877#18686
15K → 20K203112+91#18686#18595
20K → Half3028+2#18595#18593
Half → 25K27430+244#18593#18349
25K → 30K6105+605#18349#17744
30K → 20M18713+174#17744#17570
20M → 21M23010+220#17570#17350
21M → 35K1067+99#17350#17251
35K → 23M10758+49#17251#17202
23M → 24M12514+111#17202#17091
24M → 40K8235+47#17091#17044
40K → 25.2M661+65#17044#16979
25.2M → Finish8535+50#16979#16929
TOTALS3229572+2657
📊

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