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BOSTON MARATHON 2023

Eric Johnsen

FL

Bib: 18250 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:07/mi
25:14
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:03/mi
50:16
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:11/mi
1:15:43
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:11/mi
1:41:09
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:53/mi
1:46:32
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:20/mi
2:06:45
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:52/mi
2:34:17
↑ 181↓ 1480.2%
138 ft elev
20M
9:12/mi
2:46:47
↑ 64↓ 500.2%
148 ft elev
21M
9:50/mi
2:56:37
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:31/mi
3:02:59
↑ 17↓ 861.7%
156 ft elev
23M
9:13/mi
3:14:32
↑ 23↓ 630.6%
116 ft elev
24M
8:52/mi
3:23:24
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:21/mi
3:31:24
↓ 200.3%
20 ft elev
25.2M
9:57/mi
3:34:50
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:11/mi
3:44:12
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:32
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:57:40
Pace8:59 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2225:148:0725:14
8:07
-
10K
6.21 mi11:41:2450:168:0525:02
8:03
-0:04
15K
9.32 mi12:06:511:15:438:0725:27
8:11
+0:08
20K
12.43 mi12:32:171:41:098:0825:26
8:11
0:00
Half
13.11 mi12:37:401:46:328:085:23
7:53
-0:18
25K
15.53 mi12:57:532:06:458:1020:13
8:20
+0:27
30K
18.64 mi13:25:252:34:178:1727:32
8:52
+0:32
20M
20.00 mi13:37:552:46:478:2012:30
9:12
+0:20
21M
21.00 mi13:47:452:56:378:259:50
9:50
+0:38
35K
21.75 mi13:54:073:02:598:256:22
8:31
-1:19
23M
23.00 mi14:05:403:14:328:2711:33
9:13
+0:42
24M
24.00 mi14:14:323:23:248:298:52
8:52
-0:21
40K
24.85 mi14:22:323:31:248:308:00
9:21
+0:29
25.2M
25.20 mi14:25:583:34:508:323:26
9:57
+0:36
Finish
26.22 mi14:35:203:44:128:339:22
9:11
-0:46

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

7:53 /mi

Average Pace

8:33 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:07

59% of race

Time at Steady Pace

45:46

20% of race

Time at Slower Pace

45:19

20% of race

Average Pace: 8:33 /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 mi11:16:2225:148:0725:14
8:07
#14865
10K
6.21 mi11:41:2450:168:0525:02
8:03
#15035
15K
9.32 mi12:06:511:15:438:0725:27
8:11
#15287
20K
12.43 mi12:32:171:41:098:0825:26
8:11
#15168
Half
13.11 mi12:37:401:46:328:085:23
7:53
#15060
25K
15.53 mi12:57:532:06:458:1020:13
8:20
#15062
30K
18.64 mi13:25:252:34:178:1727:32
8:52
#15303
20M
20.00 mi13:37:552:46:478:2012:30
9:12
#15488
21M
21.00 mi13:47:452:56:378:259:50
9:50
#15600
35K
21.75 mi13:54:073:02:598:256:22
8:31
#15584
23M
23.00 mi14:05:403:14:328:2711:33
9:13
#15666
24M
24.00 mi14:14:323:23:248:298:52
8:52
#15709
40K
24.85 mi14:22:323:31:248:308:00
9:21
#15808
25.2M
25.20 mi14:25:583:34:508:323:26
9:57
#15819
Finish
26.22 mi14:35:203:44:128:339:22
9:11
#15981
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14865102901029015793(Top 59%)10611(Top 70%)10611(Top 746%)
10K6.21 mi3.10 mi15035-17010348-5810348-5815211(Top 57%)10391(Top 68%)10391(Top 731%)
15K9.32 mi3.11 mi15287-25210425-7710425-7715793(Top 59%)10611(Top 70%)10611(Top 746%)
20K12.43 mi3.11 mi15168+11910361+6410361+6414877(Top 56%)10229(Top 67%)10229(Top 719%)
Half13.11 mi0.68 mi15060+10810317+4410317+4413492(Top 51%)9697(Top 64%)9697(Top 682%)
25K15.53 mi2.42 mi15062-210295+2210295+2215179(Top 57%)10211(Top 67%)10211(Top 718%)
30K18.64 mi3.11 mi15303-24110338-4310338-4316433(Top 62%)10666(Top 70%)10666(Top 750%)
20M20.00 mi1.36 mi15488-18510385-4710385-4717517(Top 66%)11031(Top 73%)11031(Top 776%)
21M21.00 mi1.00 mi15600-11210400-1510400-1517361(Top 65%)10932(Top 72%)10932(Top 769%)
35K21.75 mi0.75 mi15584+1610377+2310377+2315364(Top 58%)10017(Top 66%)10017(Top 704%)
23M23.00 mi1.25 mi15666-8210381-410381-417158(Top 64%)10761(Top 71%)10761(Top 757%)
24M24.00 mi1.00 mi15709-4310382-110382-116554(Top 62%)10426(Top 69%)10426(Top 733%)
40K24.85 mi0.85 mi15808-9910419-3710419-3717751(Top 67%)10910(Top 72%)10910(Top 767%)
25.2M25.20 mi0.35 mi15819-1110418+110418+117148(Top 64%)10617(Top 70%)10617(Top 747%)
Finish26.22 mi1.02 mi15981-16210483-6510483-6518848(Top 71%)11464(Top 76%)11464(Top 806%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15793

Males

10611

M55-59

10611

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15211

Males

10391

M55-59

10391

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15793

Males

10611

M55-59

10611

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

14877

Males

10229

M55-59

10229

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13492

Males

9697

M55-59

9697

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15179

Males

10211

M55-59

10211

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16433

Males

10666

M55-59

10666

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

17517

Males

11031

M55-59

11031

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17361

Males

10932

M55-59

10932

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

15364

Males

10017

M55-59

10017

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

17158

Males

10761

M55-59

10761

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

16554

Males

10426

M55-59

10426

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17751

Males

10910

M55-59

10910

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

17148

Males

10617

M55-59

10617

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18848

Males

11464

M55-59

11464

Passing Analysis

Category:
Athletes Passed
1251
Passed By
2367
Net Change
-1116
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14865
5K → 10K226396-170#14865#15035
10K → 15K97349-252#15035#15287
15K → 20K231112+119#15287#15168
20K → Half1157+108#15168#15060
Half → 25K137139-2#15060#15062
25K → 30K104345-241#15062#15303
30K → 20M35220-185#15303#15488
20M → 21M56168-112#15488#15600
21M → 35K5539+16#15600#15584
35K → 23M61143-82#15584#15666
23M → 24M5396-43#15666#15709
24M → 40K38137-99#15709#15808
40K → 25.2M2233-11#15808#15819
25.2M → Finish21183-162#15819#15981
TOTALS12512367-1116
📊

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