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BOSTON MARATHON 2023

Jay Helgerson

Bib: 18220•M

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
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
8:30/mi
26:26
↑ 97↓ 3451.5%
10K· 6.21 mi
8:27/mi
52:40
↑ 79↓ 1380.4%
15K· 9.32 mi
8:39/mi
1:19:31
↑ 67↓ 78
20K· 12.43 mi
8:54/mi
1:47:11
↑ 106↓ 860.1%
Half· 13.11 mi
8:51/mi
1:53:13
↑ 19↓ 370.5%
25K· 15.53 mi
9:06/mi
2:15:16
↑ 66↓ 880.2%
30K· 18.64 mi
9:40/mi
2:45:17
↑ 181↓ 1480.2%
20M
9:51/mi
2:58:40
↑ 64↓ 500.2%
21M
10:51/mi
3:09:31
↑ 106↓ 241.6%
35K· 21.75 mi
12:38/mi
3:18:58
↑ 17↓ 861.7%
23M
12:50/mi
3:35:02
↑ 23↓ 630.6%
24M
14:58/mi
3:50:00
↓ 821.3%
40K· 24.85 mi
9:34/mi
3:58:11
↓ 200.3%
25.2M
8:42/mi
4:01:11
↑ 13↓ 160.2%
Finish· 26.22 mi
8:08/mi
4:09:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:13
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time2:16:15
Pace10:24 /mi
📊Positive Split: 20.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:3126:268:3026:26
8:30
-
10K
6.21 mi11:50:4552:408:2926:14
8:27
-0:03
15K
9.32 mi12:17:361:19:318:3226:51
8:39
+0:12
20K
12.43 mi12:45:161:47:118:3727:40
8:54
+0:15
Half
13.11 mi12:51:181:53:138:386:02
8:51
-0:03
25K
15.53 mi13:13:212:15:168:4222:03
9:06
+0:15
30K
18.64 mi13:43:222:45:178:5230:01
9:40
+0:34
20M
20.00 mi13:56:452:58:408:5613:23
9:51
+0:11
21M
21.00 mi14:07:363:09:319:0110:51
10:51
+1:00
35K
21.75 mi14:17:033:18:589:099:27
12:38
+1:47
23M
23.00 mi14:33:073:35:029:2116:04
12:50
+0:12
24M
24.00 mi14:48:053:50:009:3514:58
14:58
+2:08
40K
24.85 mi14:56:163:58:119:358:11
9:34
-5:24
25.2M
25.20 mi14:59:164:01:119:343:00
8:42
-0:52
Finish
26.22 mi15:07:334:09:289:318:17
8:08
-0:34

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

8:08 /mi

Average Pace

9:31 /mi

Slowest Pace

14:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

8:17

3% of race

Time at Steady Pace

3:09:51

76% of race

Time at Slower Pace

51:20

21% of race

Average Pace: 9:31 /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 mi11:24:3126:268:3026:26
8:30
#17599
10K
6.21 mi11:50:4552:408:2926:14
8:27
#17756
15K
9.32 mi12:17:361:19:318:3226:51
8:39
#18058
20K
12.43 mi12:45:161:47:118:3727:40
8:54
#18351
Half
13.11 mi12:51:181:53:138:386:02
8:51
#18421
25K
15.53 mi13:13:212:15:168:4222:03
9:06
#18615
30K
18.64 mi13:43:222:45:178:5230:01
9:40
#18928
20M
20.00 mi13:56:452:58:408:5613:23
9:51
#19043
21M
21.00 mi14:07:363:09:319:0110:51
10:51
#19164
35K
21.75 mi14:17:033:18:589:099:27
12:38
#19671
23M
23.00 mi14:33:073:35:029:2116:04
12:50
#20298
24M
24.00 mi14:48:053:50:009:3514:58
14:58
#20993
40K
24.85 mi14:56:163:58:119:358:11
9:34
#20888
25.2M
25.20 mi14:59:164:01:119:343:00
8:42
#20786
Finish
26.22 mi15:07:334:09:289:318:17
8:08
#20599
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi17599112661126618686(Top 70%)11754(Top 77%)11754(Top 2141%)
10K6.21 mi3.10 mi17756-15711360-9411360-9417889(Top 67%)11455(Top 75%)11455(Top 2087%)
15K9.32 mi3.11 mi18058-30211475-11511475-11518686(Top 70%)11754(Top 77%)11754(Top 2141%)
20K12.43 mi3.11 mi18351-29311610-13511610-13519229(Top 72%)11981(Top 79%)11981(Top 2182%)
Half13.11 mi0.68 mi18421-7011643-3311643-3319707(Top 74%)12192(Top 80%)12192(Top 2221%)
25K15.53 mi2.42 mi18615-19411694-5111694-5119387(Top 73%)12006(Top 79%)12006(Top 2187%)
30K18.64 mi3.11 mi18928-31311811-11711811-11720010(Top 75%)12217(Top 81%)12217(Top 2225%)
20M20.00 mi1.36 mi19043-11511842-3111842-3120002(Top 75%)12130(Top 80%)12130(Top 2209%)
21M21.00 mi1.00 mi19164-12111883-4111883-4120493(Top 77%)12284(Top 81%)12284(Top 2238%)
35K21.75 mi0.75 mi19671-50712094-21112094-21125289(Top 95%)14460(Top 95%)14460(Top 2634%)
23M23.00 mi1.25 mi20298-62712341-24712341-24724910(Top 94%)14299(Top 94%)14299(Top 2605%)
24M24.00 mi1.00 mi20993-69512630-28912630-28926377(Top 99%)15029(Top 99%)15029(Top 2738%)
40K24.85 mi0.85 mi20888+10512572+5812572+5818575(Top 70%)11297(Top 74%)11297(Top 2058%)
25.2M25.20 mi0.35 mi20786+10212528+4412528+4410756(Top 40%)7713(Top 51%)7713(Top 1405%)
Finish26.22 mi1.02 mi20599+18712435+9312435+9312972(Top 49%)8769(Top 58%)8769(Top 1597%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

18686

Males

11754

M65-69

11754

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

17889

Males

11455

M65-69

11455

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

18686

Males

11754

M65-69

11754

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

19229

Males

11981

M65-69

11981

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

19707

Males

12192

M65-69

12192

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

19387

Males

12006

M65-69

12006

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

20010

Males

12217

M65-69

12217

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

20002

Males

12130

M65-69

12130

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20493

Males

12284

M65-69

12284

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

25289

Males

14460

M65-69

14460

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

24910

Males

14299

M65-69

14299

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

26377

Males

15029

M65-69

15029

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18575

Males

11297

M65-69

11297

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10756

Males

7713

M65-69

7713

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

12972

Males

8769

M65-69

8769

Passing Analysis

Category:
Athletes Passed
1112
Passed By
4112
Net Change
-3000
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17599
5K → 10K244401-157#17599#17756
10K → 15K98400-302#17756#18058
15K → 20K92385-293#18058#18351
20K → Half1383-70#18351#18421
Half → 25K82276-194#18421#18615
25K → 30K83396-313#18615#18928
30K → 20M51166-115#18928#19043
20M → 21M39160-121#19043#19164
21M → 35K3510-507#19164#19671
35K → 23M9636-627#19671#20298
23M → 24M1696-695#20298#20993
24M → 40K1083+105#20993#20888
40K → 25.2M1020+102#20888#20786
25.2M → Finish1870+187#20786#20599
TOTALS11124112-3000
📊

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