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BOSTON MARATHON 2023

Eric Letbetter

Bib: 14177•M

GA

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
7:37/mi
23:40
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
47:07
↑ 79↓ 1380.4%
15K· 9.32 mi
7:35/mi
1:10:40
↑ 67↓ 78
20K· 12.43 mi
7:42/mi
1:34:35
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:39:54
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
1:59:37
↑ 66↓ 880.2%
30K· 18.64 mi
10:22/mi
2:31:48
↑ 181↓ 1480.2%
20M
11:07/mi
2:46:55
↑ 64↓ 500.2%
21M
10:48/mi
2:57:43
↑ 106↓ 241.6%
35K· 21.75 mi
10:23/mi
3:05:29
↑ 17↓ 861.7%
23M
10:33/mi
3:18:41
↑ 23↓ 630.6%
24M
10:24/mi
3:29:05
↓ 821.3%
40K· 24.85 mi
10:25/mi
3:37:59
↓ 200.3%
25.2M
10:41/mi
3:41:40
↑ 13↓ 160.2%
Finish· 26.22 mi
9:30/mi
3:51:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:54
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time2:11:27
Pace10:02 /mi
📊Positive Split: 31.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1123:407:3723:40
7:37
-
10K
6.21 mi11:16:3847:077:3523:27
7:33
-0:04
15K
9.32 mi11:40:111:10:407:3523:33
7:35
+0:02
20K
12.43 mi12:04:061:34:357:3723:55
7:42
+0:07
Half
13.11 mi12:09:251:39:547:375:19
7:48
+0:06
25K
15.53 mi12:29:081:59:377:4219:43
8:08
+0:20
30K
18.64 mi13:01:192:31:488:0932:11
10:22
+2:14
20M
20.00 mi13:16:262:46:558:2115:07
11:07
+0:45
21M
21.00 mi13:27:142:57:438:2810:48
10:48
-0:19
35K
21.75 mi13:35:003:05:298:327:46
10:23
-0:25
23M
23.00 mi13:48:123:18:418:3813:12
10:33
+0:10
24M
24.00 mi13:58:363:29:058:4310:24
10:24
-0:09
40K
24.85 mi14:07:303:37:598:468:54
10:25
+0:01
25.2M
25.20 mi14:11:113:41:408:483:41
10:41
+0:16
Finish
26.22 mi14:20:523:51:218:509:41
9:30
-1:11

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

7:33 /mi

Average Pace

8:50 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:18

56% of race

Time at Steady Pace

1:26:56

38% of race

Time at Slower Pace

15:07

7% of race

Average Pace: 8:49 /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 mi10:53:1123:407:3723:40
7:37
#10694
10K
6.21 mi11:16:3847:077:3523:27
7:33
#10768
15K
9.32 mi11:40:111:10:407:3523:33
7:35
#10781
20K
12.43 mi12:04:061:34:357:3723:55
7:42
#10798
Half
13.11 mi12:09:251:39:547:375:19
7:48
#10902
25K
15.53 mi12:29:081:59:377:4219:43
8:08
#11297
30K
18.64 mi13:01:192:31:488:0932:11
10:22
#14406
20M
20.00 mi13:16:262:46:558:2115:07
11:07
#15529
21M
21.00 mi13:27:142:57:438:2810:48
10:48
#15950
35K
21.75 mi13:35:003:05:298:327:46
10:23
#16327
23M
23.00 mi13:48:123:18:418:3813:12
10:33
#16814
24M
24.00 mi13:58:363:29:058:4310:24
10:24
#17154
40K
24.85 mi14:07:303:37:598:468:54
10:25
#17424
25.2M
25.20 mi14:11:113:41:408:483:41
10:41
#17489
Finish
26.22 mi14:20:523:51:218:509:41
9:30
#17640
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi106948506850610838(Top 41%)8576(Top 57%)8576(Top 418%)
10K6.21 mi3.10 mi10768-748544-388544-3810857(Top 41%)8612(Top 57%)8612(Top 420%)
15K9.32 mi3.11 mi10781-138546-28546-210838(Top 41%)8576(Top 57%)8576(Top 418%)
20K12.43 mi3.11 mi10798-178538+88538+810907(Top 41%)8534(Top 56%)8534(Top 416%)
Half13.11 mi0.68 mi10902-1048600-628600-6212647(Top 48%)9372(Top 62%)9372(Top 457%)
25K15.53 mi2.42 mi11297-3958751-1518751-15113735(Top 52%)9666(Top 64%)9666(Top 471%)
30K18.64 mi3.11 mi14406-31099989-12389989-123821903(Top 82%)13029(Top 86%)13029(Top 635%)
20M20.00 mi1.36 mi15529-112310404-41510404-41522900(Top 86%)13417(Top 88%)13417(Top 654%)
21M21.00 mi1.00 mi15950-42110543-13910543-13920366(Top 77%)12217(Top 81%)12217(Top 595%)
35K21.75 mi0.75 mi16327-37710690-14710690-14722148(Top 83%)12988(Top 86%)12988(Top 633%)
23M23.00 mi1.25 mi16814-48710885-19510885-19521412(Top 80%)12643(Top 83%)12643(Top 616%)
24M24.00 mi1.00 mi17154-34011004-11911004-11921782(Top 82%)12759(Top 84%)12759(Top 622%)
40K24.85 mi0.85 mi17424-27011109-10511109-10520989(Top 79%)12367(Top 81%)12367(Top 603%)
25.2M25.20 mi0.35 mi17489-6511125-1611125-1619611(Top 74%)11735(Top 77%)11735(Top 572%)
Finish26.22 mi1.02 mi17640-15111179-5411179-5420117(Top 76%)12025(Top 79%)12025(Top 586%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10838

Males

8576

M50-54

8576

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10857

Males

8612

M50-54

8612

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10838

Males

8576

M50-54

8576

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10907

Males

8534

M50-54

8534

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12647

Males

9372

M50-54

9372

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13735

Males

9666

M50-54

9666

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

21903

Males

13029

M50-54

13029

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

22900

Males

13417

M50-54

13417

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20366

Males

12217

M50-54

12217

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22148

Males

12988

M50-54

12988

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

21412

Males

12643

M50-54

12643

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21782

Males

12759

M50-54

12759

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20989

Males

12367

M50-54

12367

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19611

Males

11735

M50-54

11735

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

20117

Males

12025

M50-54

12025

Passing Analysis

Category:
Athletes Passed
737
Passed By
7683
Net Change
-6946
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10694
5K → 10K262336-74#10694#10768
10K → 15K179192-13#10768#10781
15K → 20K154171-17#10781#10798
20K → Half5109-104#10798#10902
Half → 25K42437-395#10902#11297
25K → 30K23111-3109#11297#14406
30K → 20M51128-1123#14406#15529
20M → 21M15436-421#15529#15950
21M → 35K8385-377#15950#16327
35K → 23M11498-487#16327#16814
23M → 24M10350-340#16814#17154
24M → 40K12282-270#17154#17424
40K → 25.2M1378-65#17424#17489
25.2M → Finish19170-151#17489#17640
TOTALS7377683-6946
📊

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