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BOSTON MARATHON 2023

Christopher Harrison

Bib: 24781•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
8:33/mi
26:33
↑ 97↓ 3451.5%
10K· 6.21 mi
8:52/mi
54:06
↑ 79↓ 1380.4%
15K· 9.32 mi
9:18/mi
1:23:00
↑ 67↓ 78
20K· 12.43 mi
9:11/mi
1:51:31
↑ 106↓ 860.1%
Half· 13.11 mi
9:08/mi
1:57:45
↑ 19↓ 370.5%
25K· 15.53 mi
9:16/mi
2:20:13
↑ 66↓ 880.2%
30K· 18.64 mi
10:08/mi
2:51:41
↑ 181↓ 1480.2%
20M
11:02/mi
3:06:41
↑ 64↓ 500.2%
21M
12:45/mi
3:19:26
↑ 106↓ 241.6%
35K· 21.75 mi
11:04/mi
3:27:43
↑ 17↓ 861.7%
23M
12:26/mi
3:43:17
↑ 23↓ 630.6%
24M
11:20/mi
3:54:37
↓ 821.3%
40K· 24.85 mi
10:50/mi
4:03:53
↓ 200.3%
25.2M
11:59/mi
4:08:01
↑ 13↓ 160.2%
Finish· 26.22 mi
10:19/mi
4:18:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:45
Pace8:59 /mi
2nd Half
Distance13.11 mi
Time2:20:47
Pace10:44 /mi
📊Positive Split: 19.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:5126:338:3326:33
8:33
-
10K
6.21 mi12:09:2454:068:4227:33
8:52
+0:19
15K
9.32 mi12:38:181:23:008:5428:54
9:18
+0:26
20K
12.43 mi13:06:491:51:318:5828:31
9:11
-0:07
Half
13.11 mi13:13:031:57:458:596:14
9:08
-0:03
25K
15.53 mi13:35:312:20:139:0222:28
9:16
+0:08
30K
18.64 mi14:06:592:51:419:1331:28
10:08
+0:52
20M
20.00 mi14:21:593:06:419:2015:00
11:02
+0:54
21M
21.00 mi14:34:443:19:269:3012:45
12:45
+1:43
35K
21.75 mi14:43:013:27:439:338:17
11:04
-1:41
23M
23.00 mi14:58:353:43:179:4215:34
12:26
+1:22
24M
24.00 mi15:09:553:54:379:4711:20
11:20
-1:06
40K
24.85 mi15:19:114:03:539:499:16
10:50
-0:30
25.2M
25.20 mi15:23:194:08:019:514:08
11:59
+1:09
Finish
26.22 mi15:33:504:18:329:5210:31
10:19
-1:40

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

8:33 /mi

Average Pace

9:52 /mi

Slowest Pace

12:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:13

54% of race

Time at Steady Pace

51:15

20% of race

Time at Slower Pace

1:07:04

26% of race

Average Pace: 9:52 /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 mi11:41:5126:338:3326:33
8:33
#17877
10K
6.21 mi12:09:2454:068:4227:33
8:52
#19135
15K
9.32 mi12:38:181:23:008:5428:54
9:18
#20146
20K
12.43 mi13:06:491:51:318:5828:31
9:11
#20226
Half
13.11 mi13:13:031:57:458:596:14
9:08
#20280
25K
15.53 mi13:35:312:20:139:0222:28
9:16
#20250
30K
18.64 mi14:06:592:51:419:1331:28
10:08
#20494
20M
20.00 mi14:21:593:06:419:2015:00
11:02
#20718
21M
21.00 mi14:34:443:19:269:3012:45
12:45
#21012
35K
21.75 mi14:43:013:27:439:338:17
11:04
#21138
23M
23.00 mi14:58:353:43:179:4215:34
12:26
#21473
24M
24.00 mi15:09:553:54:379:4711:20
11:20
#21607
40K
24.85 mi15:19:114:03:539:499:16
10:50
#21648
25.2M
25.20 mi15:23:194:08:019:514:08
11:59
#21668
Finish
26.22 mi15:33:504:18:329:5210:31
10:19
#21689
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi17877113871138721636(Top 81%)13038(Top 86%)13038(Top 635%)
10K6.21 mi3.10 mi19135-125811878-49111878-49120264(Top 76%)12398(Top 82%)12398(Top 604%)
15K9.32 mi3.11 mi20146-101112307-42912307-42921636(Top 81%)13038(Top 86%)13038(Top 635%)
20K12.43 mi3.11 mi20226-8012360-5312360-5320482(Top 77%)12513(Top 82%)12513(Top 610%)
Half13.11 mi0.68 mi20280-5412388-2812388-2820941(Top 79%)12709(Top 84%)12709(Top 619%)
25K15.53 mi2.42 mi20250+3012385+312385+320078(Top 75%)12321(Top 81%)12321(Top 600%)
30K18.64 mi3.11 mi20494-24412471-8612471-8621357(Top 80%)12788(Top 84%)12788(Top 623%)
20M20.00 mi1.36 mi20718-22412559-8812559-8822760(Top 85%)13347(Top 88%)13347(Top 650%)
21M21.00 mi1.00 mi21012-29412675-11612675-11623754(Top 89%)13775(Top 91%)13775(Top 671%)
35K21.75 mi0.75 mi21138-12612715-4012715-4023415(Top 88%)13562(Top 89%)13562(Top 661%)
23M23.00 mi1.25 mi21473-33512867-15212867-15224506(Top 92%)14090(Top 93%)14090(Top 687%)
24M24.00 mi1.00 mi21607-13412911-4412911-4423634(Top 89%)13644(Top 90%)13644(Top 665%)
40K24.85 mi0.85 mi21648-4112921-1012921-1022006(Top 83%)12829(Top 85%)12829(Top 625%)
25.2M25.20 mi0.35 mi21668-2012920+112920+122449(Top 84%)13051(Top 86%)13051(Top 636%)
Finish26.22 mi1.02 mi21689-2112928-812928-822592(Top 85%)13131(Top 87%)13131(Top 640%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21636

Males

13038

M50-54

13038

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

20264

Males

12398

M50-54

12398

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21636

Males

13038

M50-54

13038

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

20482

Males

12513

M50-54

12513

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

20941

Males

12709

M50-54

12709

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

20078

Males

12321

M50-54

12321

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

21357

Males

12788

M50-54

12788

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

22760

Males

13347

M50-54

13347

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

23754

Males

13775

M50-54

13775

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

23415

Males

13562

M50-54

13562

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

24506

Males

14090

M50-54

14090

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

23634

Males

13644

M50-54

13644

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22006

Males

12829

M50-54

12829

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22449

Males

13051

M50-54

13051

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22592

Males

13131

M50-54

13131

Passing Analysis

Category:
Athletes Passed
590
Passed By
4402
Net Change
-3812
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17877
5K → 10K521310-1258#17877#19135
10K → 15K161027-1011#19135#20146
15K → 20K137217-80#20146#20226
20K → Half1569-54#20226#20280
Half → 25K141111+30#20280#20250
25K → 30K78322-244#20250#20494
30K → 20M25249-224#20494#20718
20M → 21M12306-294#20718#21012
21M → 35K16142-126#21012#21138
35K → 23M14349-335#21138#21473
23M → 24M21155-134#21473#21607
24M → 40K2667-41#21607#21648
40K → 25.2M1434-20#21648#21668
25.2M → Finish2344-21#21668#21689
TOTALS5904402-3812
📊

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